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    <title>topic Re: PN7462 USB mass storage error on linux in NFC</title>
    <link>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/706089#M2645</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hello I did the secuence to run primary bootloader and when the mass store device is enable this error appeared.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;thanks&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Thu, 14 Sep 2017 17:58:35 GMT</pubDate>
    <dc:creator>sergioa</dc:creator>
    <dc:date>2017-09-14T17:58:35Z</dc:date>
    <item>
      <title>PN7462 USB mass storage error on linux</title>
      <link>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/706087#M2643</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;DIV&gt;Hello i'm having problem with this chip on linux . Do you how what could be the problem?&lt;/DIV&gt;&lt;DIV&gt;Thanks in advance&amp;nbsp;&lt;/DIV&gt;&lt;DIV&gt; &lt;/DIV&gt;&lt;DIV&gt;# uname -a&lt;/DIV&gt;&lt;DIV&gt;Linux 4.4.0-92-generic #115-Ubuntu SMP Thu Aug 10 09:04:33 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux&lt;/DIV&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt; &lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;458.126954] usb 2-1.5: USB disconnect, device number 4&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;461.139567] usb 2-1.5: new full-speed USB device number 5 using ehci-pci&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;466.211480] usb 2-1.5: device descriptor read/64, error -110&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;466.409878] usb 2-1.5: New USB device found, idVendor=1fc9, idProduct=0117&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;466.409883] usb 2-1.5: New USB device strings: Mfr=1, Product=2, SerialNumber=0&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;466.409885] usb 2-1.5: Product: PN7462AU&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;466.409887] usb 2-1.5: Manufacturer: NXP&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;466.410242] usb-storage 2-1.5:1.0: USB Mass Storage device detected&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;466.410554] scsi host8: usb-storage 2-1.5:1.0&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.408435] scsi 8:0:0:0: Direct-Access &amp;nbsp; &amp;nbsp; NXP &amp;nbsp; &amp;nbsp; &amp;nbsp;PN7462AU &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 1.00 PQ: 0 ANSI: 0&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.409159] sd 8:0:0:0: Attached scsi generic sg3 type 0&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.409731] sd 8:0:0:0: [sdc] 327 512-byte logical blocks: (167 kB/164 KiB)&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.410477] sd 8:0:0:0: [sdc] Write Protect is off&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.410480] sd 8:0:0:0: [sdc] Mode Sense: 00 00 00 00&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace; color: #ff0000;"&gt;[ &amp;nbsp;467.411104] sd 8:0:0:0: [sdc] Asking for cache data failed&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.411109] sd 8:0:0:0: [sdc] Assuming drive cache: write through&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.424360] &amp;nbsp;sdc:&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.427726] sd 8:0:0:0: [sdc] Attached SCSI removable disk&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace; color: #ff0000;"&gt;[ &amp;nbsp;467.499083] sd 8:0:0:0: [sdc] tag#0 FAILED Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.499090] sd 8:0:0:0: [sdc] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 08 00&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.499092] blk_update_request: I/O error, dev sdc, sector 0&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.569617] sd 8:0:0:0: [sdc] tag#0 FAILED Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.569624] sd 8:0:0:0: [sdc] tag#0 CDB: Read(10) 28 00 00 00 00 02 00 00 06 00&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.569627] blk_update_request: I/O error, dev sdc, sector 2&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.569630] buffer_io_error: 8 callbacks suppressed&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.569632] Buffer I/O error on dev sdc, logical block 2, async page read&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.569635] Buffer I/O error on dev sdc, logical block 3, async page read&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.569637] Buffer I/O error on dev sdc, logical block 4, async page read&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.569638] Buffer I/O error on dev sdc, logical block 5, async page read&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.569640] Buffer I/O error on dev sdc, logical block 6, async page read&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.569641] Buffer I/O error on dev sdc, logical block 7, async page read&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace; color: #ff0000;"&gt;[ &amp;nbsp;467.639813] sd 8:0:0:0: [sdc] tag#0 FAILED Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.639821] sd 8:0:0:0: [sdc] tag#0 CDB: Read(10) 28 00 00 00 00 04 00 00 04 00&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.639825] blk_update_request: I/O error, dev sdc, sector 4&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.639829] Buffer I/O error on dev sdc, logical block 4, async page read&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.639832] Buffer I/O error on dev sdc, logical block 5, async page read&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.639834] Buffer I/O error on dev sdc, logical block 6, async page read&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.639836] Buffer I/O error on dev sdc, logical block 7, async page read&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace; color: #ff0000;"&gt;[ &amp;nbsp;467.685813] sd 8:0:0:0: [sdc] tag#0 FAILED Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.685820] sd 8:0:0:0: [sdc] tag#0 CDB: Read(10) 28 00 00 00 00 06 00 00 02 00&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.685823] blk_update_request: I/O error, dev sdc, sector 6&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.756523] sd 8:0:0:0: [sdc] tag#0 FAILED Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV style="color: #222222; background-color: #ffffff; font-size: 12.8px;"&gt;&lt;SPAN style="font-family: monospace, monospace;"&gt;[ &amp;nbsp;467.756530] sd 8:0:0:0: [sdc] tag#0 CDB: Read(10) 28 00 00 00 00 1a 00 00 06 00&lt;/SPAN&gt;&lt;/DIV&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 23 Aug 2017 19:28:48 GMT</pubDate>
      <guid>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/706087#M2643</guid>
      <dc:creator>sergioa</dc:creator>
      <dc:date>2017-08-23T19:28:48Z</dc:date>
    </item>
    <item>
      <title>Re: PN7462 USB mass storage error on linux</title>
      <link>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/706088#M2644</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;could you tell me more details what is the step to reproduce this error?&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 31 Aug 2017 09:07:45 GMT</pubDate>
      <guid>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/706088#M2644</guid>
      <dc:creator>jimmychan</dc:creator>
      <dc:date>2017-08-31T09:07:45Z</dc:date>
    </item>
    <item>
      <title>Re: PN7462 USB mass storage error on linux</title>
      <link>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/706089#M2645</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hello I did the secuence to run primary bootloader and when the mass store device is enable this error appeared.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;thanks&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 14 Sep 2017 17:58:35 GMT</pubDate>
      <guid>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/706089#M2645</guid>
      <dc:creator>sergioa</dc:creator>
      <dc:date>2017-09-14T17:58:35Z</dc:date>
    </item>
    <item>
      <title>Re: PN7462 USB mass storage error on linux</title>
      <link>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/706090#M2646</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;I have the same issue.&lt;/P&gt;&lt;PRE&gt;kernel: [ 5388.525610] usb 1-1.4: new full-speed USB device number 21 using dwc_otg
rsyslogd-2007: action 'action 17' suspended, next retry is Wed Sep 27 13:22:53 2017 [try &lt;A href="http://www.rsyslog.com/e/2007" rel="nofollow noopener noreferrer" target="test_blank"&gt;http://www.rsyslog.com/e/2007&lt;/A&gt; ]
kernel: [ 5403.605616] usb 1-1.4: device descriptor read/64, error -110
kernel: [ 5403.819889] usb 1-1.4: New USB device found, idVendor=1fc9, idProduct=0117
kernel: [ 5403.819911] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
kernel: [ 5403.819924] usb 1-1.4: Product: PN7462AU
kernel: [ 5403.819936] usb 1-1.4: Manufacturer: NXP
kernel: [ 5403.820865] usb-storage 1-1.4:1.0: USB Mass Storage device detected
kernel: [ 5403.822243] scsi host14: usb-storage 1-1.4:1.0
kernel: [ 5404.819252] scsi 14:0:0:0: Direct-Access&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; NXP&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; PN7462AU&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; 1.00 PQ: 0 ANSI: 0
kernel: [ 5404.820193] sd 14:0:0:0: Attached scsi generic sg0 type 0
kernel: [ 5404.828753] sd 14:0:0:0: [sdb] 327 512-byte logical blocks: (167 kB/164 KiB)
kernel: [ 5404.831829] sd 14:0:0:0: [sdb] Write Protect is off
kernel: [ 5404.831852] sd 14:0:0:0: [sdb] Mode Sense: 00 00 00 00
kernel: [ 5404.834798] sd 14:0:0:0: [sdb] Asking for cache data failed
kernel: [ 5404.834814] sd 14:0:0:0: [sdb] Assuming drive cache: write through
kernel: [ 5404.891952]&amp;nbsp; sdb:
kernel: [ 5404.915357] sd 14:0:0:0: [sdb] Attached SCSI removable disk
kernel: [ 5405.153810] sd 14:0:0:0: [sdb] UNKNOWN(0x2003) Result: hostbyte=0x07 driverbyte=0x00
kernel: [ 5405.153837] sd 14:0:0:0: [sdb] CDB: opcode=0x28 28 00 00 00 00 00 00 00 08 00
kernel: [ 5405.153847] blk_update_request: I/O error, dev sdb, sector 0
kernel: [ 5405.378086] sd 14:0:0:0: [sdb] UNKNOWN(0x2003) Result: hostbyte=0x07 driverbyte=0x00
kernel: [ 5405.378113] sd 14:0:0:0: [sdb] CDB: opcode=0x28 28 00 00 00 00 02 00 00 06 00
kernel: [ 5405.378123] blk_update_request: I/O error, dev sdb, sector 2
kernel: [ 5405.378132] Buffer I/O error on dev sdb, logical block 2, async page read
kernel: [ 5405.378140] Buffer I/O error on dev sdb, logical block 3, async page read
kernel: [ 5405.378149] Buffer I/O error on dev sdb, logical block 4, async page read
kernel: [ 5405.378156] Buffer I/O error on dev sdb, logical block 5, async page read
kernel: [ 5405.378164] Buffer I/O error on dev sdb, logical block 6, async page read
kernel: [ 5405.378172] Buffer I/O error on dev sdb, logical block 7, async page read&lt;/PRE&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 27 Sep 2017 13:44:11 GMT</pubDate>
      <guid>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/706090#M2646</guid>
      <dc:creator>anthonypapillon</dc:creator>
      <dc:date>2017-09-27T13:44:11Z</dc:date>
    </item>
    <item>
      <title>Re: PN7462 USB mass storage error on linux</title>
      <link>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/706091#M2647</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hello someone can help me with this issue?.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;thanks&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 01 Dec 2017 12:51:55 GMT</pubDate>
      <guid>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/706091#M2647</guid>
      <dc:creator>sergioa</dc:creator>
      <dc:date>2017-12-01T12:51:55Z</dc:date>
    </item>
    <item>
      <title>Re: PN7462 USB mass storage error on linux</title>
      <link>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/1241039#M8256</link>
      <description>&lt;P&gt;I'm facing the same issue. The problem happens when the PN7462 is configured as a USB MSD Interface.&lt;/P&gt;&lt;P&gt;The UM108833, section 8.10 is used as reference.&amp;nbsp;&lt;SPAN&gt;I can connect to this device in windows 10 by selecting a generic mass storage device driver. It has a single fat32 partition that I can read and write to. But in Libux is not possible.&amp;nbsp;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;Could you guys tell what package or driver is needed to see the same behaviour on Linux?&amp;nbsp;&lt;/SPAN&gt;&lt;/P&gt;</description>
      <pubDate>Fri, 05 Mar 2021 14:06:14 GMT</pubDate>
      <guid>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/1241039#M8256</guid>
      <dc:creator>thiago_machado</dc:creator>
      <dc:date>2021-03-05T14:06:14Z</dc:date>
    </item>
    <item>
      <title>Re: PN7462 USB mass storage error on linux</title>
      <link>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/1252157#M8332</link>
      <description>&lt;P&gt;&lt;A href="https://community.nxp.com/t5/NFC/PN7462-updating-EEPROM-on-linux/m-p/739808/highlight/true#M3144" target="_blank"&gt;https://community.nxp.com/t5/NFC/PN7462-updating-EEPROM-on-linux/m-p/739808/highlight/true#M3144&lt;/A&gt;&lt;BR /&gt;did the trick for me.&lt;/P&gt;</description>
      <pubDate>Thu, 25 Mar 2021 12:14:56 GMT</pubDate>
      <guid>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/1252157#M8332</guid>
      <dc:creator>NickMa</dc:creator>
      <dc:date>2021-03-25T12:14:56Z</dc:date>
    </item>
    <item>
      <title>Re: PN7462 USB mass storage error on linux</title>
      <link>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/1252207#M8337</link>
      <description>&lt;P&gt;So I'm trying to update the firmware thru the primary bootloader. In this &lt;A href="https://community.nxp.com/t5/NFC/PN7462-updating-EEPROM-on-linux/td-p/739807" target="_self"&gt;post&lt;/A&gt;&amp;nbsp;the seek option is 03 (seek=03), so it updates the EEPROM. What would be the equivalent seek option to update the flash memory?&lt;/P&gt;</description>
      <pubDate>Thu, 25 Mar 2021 13:46:08 GMT</pubDate>
      <guid>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/1252207#M8337</guid>
      <dc:creator>thiago_machado</dc:creator>
      <dc:date>2021-03-25T13:46:08Z</dc:date>
    </item>
    <item>
      <title>Re: PN7462 USB mass storage error on linux</title>
      <link>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/1252289#M8341</link>
      <description>&lt;P&gt;Please see:&lt;/P&gt;&lt;P&gt;&lt;A href="https://community.nxp.com/t5/NFC/Mounting-the-PN7462AU-in-the-USB-downloader-mode-under-Linux/m-p/1251003/highlight/true#M8317" target="_blank"&gt;https://community.nxp.com/t5/NFC/Mounting-the-PN7462AU-in-the-USB-downloader-mode-under-Linux/m-p/1251003/highlight/true#M8317&lt;/A&gt;&lt;/P&gt;</description>
      <pubDate>Thu, 25 Mar 2021 15:56:19 GMT</pubDate>
      <guid>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/1252289#M8341</guid>
      <dc:creator>NickMa</dc:creator>
      <dc:date>2021-03-25T15:56:19Z</dc:date>
    </item>
    <item>
      <title>Re: PN7462 USB mass storage error on linux</title>
      <link>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/1253774#M8358</link>
      <description>&lt;P&gt;&lt;SPAN&gt;&amp;nbsp;I was able to see the PN7412 as a mass storage device in UBUNTU 20. We are using a i.MX 8M Nano in our project, and the main goal is to update the PN7412 thru the i.MX USB bus. I couldn't manage to make it work on i.MX with the same steps listed here. I'm sending the dmesg output in the attachments. You guys have any idea what might be missing?&lt;/SPAN&gt;&lt;/P&gt;</description>
      <pubDate>Mon, 29 Mar 2021 18:58:55 GMT</pubDate>
      <guid>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/1253774#M8358</guid>
      <dc:creator>thiago_machado</dc:creator>
      <dc:date>2021-03-29T18:58:55Z</dc:date>
    </item>
    <item>
      <title>Re: PN7462 USB mass storage error on linux</title>
      <link>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/1255575#M8376</link>
      <description>&lt;P&gt;A little bit more info plz.&lt;/P&gt;&lt;UL&gt;&lt;LI&gt;has the pn7412 already been recognized as /dev/sdX ?&lt;UL&gt;&lt;LI&gt;If yes, what happens when you mount it&lt;/LI&gt;&lt;/UL&gt;&lt;/LI&gt;&lt;LI&gt;dmesg output?&lt;/LI&gt;&lt;/UL&gt;</description>
      <pubDate>Thu, 01 Apr 2021 06:56:48 GMT</pubDate>
      <guid>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/1255575#M8376</guid>
      <dc:creator>NickMa</dc:creator>
      <dc:date>2021-04-01T06:56:48Z</dc:date>
    </item>
    <item>
      <title>Re: PN7462 USB mass storage error on linux</title>
      <link>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/1256694#M8387</link>
      <description>&lt;P&gt;Thanks for the quick response!&lt;/P&gt;&lt;P&gt;Yes, the PN is recognized as sdX device. You'll find dmesg outuput in the attachments. The first part of it consists of the output when I configure the PN as mass storage device, and the second is the output when I try to mount it.&lt;/P&gt;</description>
      <pubDate>Mon, 05 Apr 2021 13:50:34 GMT</pubDate>
      <guid>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/1256694#M8387</guid>
      <dc:creator>thiago_machado</dc:creator>
      <dc:date>2021-04-05T13:50:34Z</dc:date>
    </item>
    <item>
      <title>Re: PN7462 USB mass storage error on linux</title>
      <link>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/1257709#M8395</link>
      <description>&lt;P&gt;I cant see the any of the&lt;/P&gt;&lt;UL&gt;&lt;LI&gt;usb-storage quirks settings nor any&lt;/LI&gt;&lt;LI&gt;idVendor=1fc9, idProduct=0117 part&lt;/LI&gt;&lt;/UL&gt;&lt;P&gt;Please `cat /proc/cmdline` which should at lease contain the following:&lt;/P&gt;&lt;BLOCKQUOTE&gt;&lt;P&gt;loglevel=7 usb-storage.quirks=1fc9:0117:r,n,m&lt;/P&gt;&lt;/BLOCKQUOTE&gt;&lt;P&gt;Please also check your `lsusb` for the existence of `Bus XXX Device YYY: ID 1fc9:0117`, which should be there in DWL and Standard mode.&lt;/P&gt;&lt;P&gt;The whole reset-&amp;gt;release into DWL mode (note, that I do NOT mount it during the whole process)&amp;nbsp; looks as following:&lt;/P&gt;&lt;BLOCKQUOTE&gt;&lt;P&gt;[ 269.610460] usb 2-1: USB disconnect, device number 2&lt;BR /&gt;[ 270.812429] usb 2-1: new full-speed USB device number 3 using ci_hdrc&lt;BR /&gt;[ 286.082866] usb 2-1: device descriptor read/64, error -110&lt;BR /&gt;[ 286.479713] usb 2-1: New USB device found, idVendor=1fc9, idProduct=0117, bcdDevice= 1.00&lt;BR /&gt;[ 286.499292] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0&lt;BR /&gt;[ 286.516311] usb 2-1: Product: PN7462AU&lt;BR /&gt;[ 286.536847] usb 2-1: Manufacturer: NXP&lt;BR /&gt;[ 286.595152] usb-storage 2-1:1.0: USB Mass Storage device detected&lt;BR /&gt;[ 286.663492] usb-storage 2-1:1.0: Quirks match for vid 1fc9 pid 0117: 20&lt;BR /&gt;[ 286.684864] scsi host0: usb-storage 2-1:1.0&lt;BR /&gt;[ 287.916726] scsi 0:0:0:0: Direct-Access NXP PN7462AU 1.00 PQ: 0 ANSI: 0&lt;BR /&gt;[ 288.116634] sd 0:0:0:0: [sda] 327 512-byte logical blocks: (167 kB/164 KiB)&lt;BR /&gt;[ 288.153578] sd 0:0:0:0: [sda] Write Protect is off&lt;BR /&gt;[ 288.197216] sd 0:0:0:0: [sda] Asking for cache data failed&lt;BR /&gt;[ 288.217109] sd 0:0:0:0: [sda] Assuming drive cache: write through&lt;BR /&gt;[ 288.487685] sda:&lt;BR /&gt;[ 288.696497] sd 0:0:0:0: [sda] Attached SCSI removable disk&lt;/P&gt;&lt;/BLOCKQUOTE&gt;</description>
      <pubDate>Wed, 07 Apr 2021 06:39:11 GMT</pubDate>
      <guid>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/1257709#M8395</guid>
      <dc:creator>NickMa</dc:creator>
      <dc:date>2021-04-07T06:39:11Z</dc:date>
    </item>
    <item>
      <title>Re: PN7462 USB mass storage error on linux</title>
      <link>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/1258059#M8396</link>
      <description>&lt;P&gt;Here's my output&amp;nbsp;&lt;SPAN&gt;&amp;nbsp;'&lt;STRONG&gt;cat /proc/cmdline&lt;/STRONG&gt;' after '&lt;STRONG&gt;modprobe usb-storage quirks=1fc9:0117:r,n,m&lt;/STRONG&gt;':&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;STRONG&gt;Ubuntu 20:&lt;/STRONG&gt;&lt;/P&gt;&lt;BLOCKQUOTE&gt;&lt;P&gt;&lt;SPAN&gt;BOOT_IMAGE=/boot/vmlinuz-5.8.0-48-generic root=UUID=3e766fc0-f3ad-4c5e-9e6f-8210e216fb59 ro quiet splash vt.handoff=7&lt;/SPAN&gt;&lt;/P&gt;&lt;/BLOCKQUOTE&gt;&lt;P&gt;&lt;STRONG&gt;i.MX 8M:&lt;/STRONG&gt;&lt;/P&gt;&lt;BLOCKQUOTE&gt;&lt;P&gt;&lt;SPAN&gt;console=ttymxc1,115200 root=/dev/mmcblk2p2 rootwait rw&lt;/SPAN&gt;&lt;/P&gt;&lt;/BLOCKQUOTE&gt;&lt;P&gt;&lt;SPAN&gt;Bellow the &lt;STRONG&gt;lsusb&lt;/STRONG&gt; output:&lt;/SPAN&gt;&lt;/P&gt;&lt;BLOCKQUOTE&gt;&lt;P&gt;&lt;SPAN&gt;Bus 002 Device 002: ID 05e3:0616 Genesys Logic, Inc. hub&lt;BR /&gt;Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub&lt;BR /&gt;Bus 001 Device 005: ID 0bda:5538 Realtek Semiconductor Corp. Integrated_Webcam_HD&lt;BR /&gt;Bus 001 Device 003: ID 27c6:538d Shenzhen Goodix Technology Co.,Ltd. FingerPrint&lt;BR /&gt;Bus 001 Device 009: ID 413c:2113 Dell Computer Corp.&lt;BR /&gt;Bus 001 Device 012: ID 046d:c534 Logitech, Inc. Unifying Receiver&lt;BR /&gt;Bus 001 Device 011: ID 1fc9:000c NXP Semiconductors USB2.0 Hub&lt;BR /&gt;Bus 001 Device 002: ID 05e3:0610 Genesys Logic, Inc. 4-port hub&lt;BR /&gt;Bus 001 Device 007: ID 8087:0aaa Intel Corp.&lt;BR /&gt;Bus 001 Device 019: ID 1fc9:0117 NXP Semiconductors PN7462AU&lt;BR /&gt;Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub&lt;/SPAN&gt;&lt;/P&gt;&lt;/BLOCKQUOTE&gt;&lt;P&gt;&lt;SPAN&gt;As you can see, the linux recognizes the PN7412 when I put it in DWL Mode, but I cannot access it's content still. The mounting attempt was just to observe the kernel output. I'm not mounting it in order to have access. Last week I was able to access it following the step mentioned on &lt;A href="https://community.nxp.com/t5/NFC/PN7462-updating-EEPROM-on-linux/m-p/739807" target="_self"&gt;PN7462-updating-EEPROM-on-linux/m-p/739807&lt;/A&gt;&amp;nbsp;but didn't have the same outcome in i.MX 8M. And right now, I cannot reproduce it no longer on Ubuntu 20 as well.&lt;/SPAN&gt;&lt;/P&gt;</description>
      <pubDate>Wed, 07 Apr 2021 14:03:53 GMT</pubDate>
      <guid>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/1258059#M8396</guid>
      <dc:creator>thiago_machado</dc:creator>
      <dc:date>2021-04-07T14:03:53Z</dc:date>
    </item>
    <item>
      <title>Re: PN7462 USB mass storage error on linux</title>
      <link>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/1260571#M8415</link>
      <description>&lt;P&gt;&lt;SPAN&gt;'&lt;STRONG&gt;cat /proc/cmdline&lt;/STRONG&gt;'&lt;/SPAN&gt; outputs the kernel boot args - you won't find it at your dev host after remounting.&lt;/P&gt;&lt;P&gt;And at your imx side you pass the quirks's in different ways to the usb-storage driver:&lt;/P&gt;&lt;OL&gt;&lt;LI&gt;IF you have dynamic kmodule loading on (i.e. `lsmod` shows you something) you can pass it the same way as with ubuntu&lt;/LI&gt;&lt;LI&gt;IF all your kmodules are linked into the kernel (i.e. no `lsmod` output) IMHO the only option is to pass it via the kernel bootargs. E.g. with u-boot extend the quirks string to the env var `setenv bootargs&amp;nbsp; &amp;lt;OLD-CONTENT&amp;gt; quirks=1fetc.`&lt;/LI&gt;&lt;/OL&gt;</description>
      <pubDate>Mon, 12 Apr 2021 12:57:25 GMT</pubDate>
      <guid>https://community.nxp.com/t5/NFC/PN7462-USB-mass-storage-error-on-linux/m-p/1260571#M8415</guid>
      <dc:creator>NickMa</dc:creator>
      <dc:date>2021-04-12T12:57:25Z</dc:date>
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