topic Re: The ext4 file is broken in AndroidKK4.4.3 on MX6Q-SABRE-SD in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/The-ext4-file-is-broken-in-AndroidKK4-4-3-on-MX6Q-SABRE-SD/m-p/615263#M93050 <HTML><HEAD></HEAD><BODY><P>I found we reported ext4 issue as below:</P><P>"Kernel will panic with below log after factory reset:<BR /> EXT4-fs error (device mmcblk1p4): ext4_validate_block_bitmap:380: comm init: bg 17: block 557056: invalid block bitmap Aborting journal on device mmcblk1p4-8.<BR /> Kernel panic - not syncing: EXT4-fs (device mmcblk1p4): panic forced after error Rebooting in 5 seconds..</P><P>The root cause is the data type conversion issue.<BR /> When a 32-bit data mutiply a 32-bit data, it will still get a 32-bit data.<BR /> The 64-bit offset will be cut to 32 bit"</P><P>this issue is fixed in the latest android version.</P></BODY></HTML> Tue, 28 Mar 2017 04:02:50 GMT joanxie 2017-03-28T04:02:50Z The ext4 file is broken in AndroidKK4.4.3 on MX6Q-SABRE-SD https://community.nxp.com/t5/i-MX-Processors/The-ext4-file-is-broken-in-AndroidKK4-4-3-on-MX6Q-SABRE-SD/m-p/615262#M93049 <HTML><HEAD></HEAD><BODY><P>Dear all,</P><P></P><P>We run Android4 .4.3 on MX6Q-SABRE-SD board.<BR />Android is booted from eMMC.</P><P></P><P>We turn off an AC power directly without using Shutdown of Android.<BR />In this case EXT4 file is sometimes broken.</P><P></P><P>We found the description of the following URL.</P><P><A href="http://www.phoronix.com/scan.php?page=news_item&amp;px=Linux-4-EXT4-RAID-Issue-Found">http://www.phoronix.com/scan.php?page=news_item&amp;px=Linux-4-EXT4-RAID-Issue-Found</A><BR /><A href="http://www.phoronix.com/scan.php?page=news_item&amp;px=MTIxNDQ">http://www.phoronix.com/scan.php?page=news_item&amp;px=MTIxNDQ</A><BR /><A href="https://linux.slashdot.org/story/12/10/24/1848203/ext4-data-corruption-bug-hits-linux-kernel">https://linux.slashdot.org/story/12/10/24/1848203/ext4-data-corruption-bug-hits-linux-kernel</A></P><P><BR />Are these Bug measures included in AndroidKK4 .4.3 BSP?</P><P>Best Regards,</P><P></P><P>Yuuki</P></BODY></HTML> Fri, 24 Mar 2017 04:38:01 GMT https://community.nxp.com/t5/i-MX-Processors/The-ext4-file-is-broken-in-AndroidKK4-4-3-on-MX6Q-SABRE-SD/m-p/615262#M93049 yuuki 2017-03-24T04:38:01Z Re: The ext4 file is broken in AndroidKK4.4.3 on MX6Q-SABRE-SD https://community.nxp.com/t5/i-MX-Processors/The-ext4-file-is-broken-in-AndroidKK4-4-3-on-MX6Q-SABRE-SD/m-p/615263#M93050 <HTML><HEAD></HEAD><BODY><P>I found we reported ext4 issue as below:</P><P>"Kernel will panic with below log after factory reset:<BR /> EXT4-fs error (device mmcblk1p4): ext4_validate_block_bitmap:380: comm init: bg 17: block 557056: invalid block bitmap Aborting journal on device mmcblk1p4-8.<BR /> Kernel panic - not syncing: EXT4-fs (device mmcblk1p4): panic forced after error Rebooting in 5 seconds..</P><P>The root cause is the data type conversion issue.<BR /> When a 32-bit data mutiply a 32-bit data, it will still get a 32-bit data.<BR /> The 64-bit offset will be cut to 32 bit"</P><P>this issue is fixed in the latest android version.</P></BODY></HTML> Tue, 28 Mar 2017 04:02:50 GMT https://community.nxp.com/t5/i-MX-Processors/The-ext4-file-is-broken-in-AndroidKK4-4-3-on-MX6Q-SABRE-SD/m-p/615263#M93050 joanxie 2017-03-28T04:02:50Z Re: The ext4 file is broken in AndroidKK4.4.3 on MX6Q-SABRE-SD https://community.nxp.com/t5/i-MX-Processors/The-ext4-file-is-broken-in-AndroidKK4-4-3-on-MX6Q-SABRE-SD/m-p/615264#M93051 <HTML><HEAD></HEAD><BODY><P><A class="jx-jive-macro-user" href="https://community.nxp.com/people/joanxie">joanxie</A>‌</P><P>Dear Joan Xie-san,</P><P></P><P>Thank you for your response.</P><P></P><P>&gt; this issue is fixed in the latest android version.<BR />=&gt;<BR />Does this mean Android M6?<BR />Or is it Andorid N7?</P><P></P><P>Would you tell me the modified point for this issue?<BR />We want to backport it in AndroidKK4.4.3.</P><P></P><P>Best Regards,<BR />Yuuki</P></BODY></HTML> Wed, 29 Mar 2017 04:27:48 GMT https://community.nxp.com/t5/i-MX-Processors/The-ext4-file-is-broken-in-AndroidKK4-4-3-on-MX6Q-SABRE-SD/m-p/615264#M93051 yuuki 2017-03-29T04:27:48Z Re: The ext4 file is broken in AndroidKK4.4.3 on MX6Q-SABRE-SD https://community.nxp.com/t5/i-MX-Processors/The-ext4-file-is-broken-in-AndroidKK4-4-3-on-MX6Q-SABRE-SD/m-p/615265#M93052 <HTML><HEAD></HEAD><BODY><P><A class="jx-jive-macro-user" href="https://community.nxp.com/people/joanxie">joanxie</A>‌</P><P>Dear Joan Xie-san,</P><P></P><P>I'm sorry to press you about this, how about the situation afterward?<BR />Your kind helps would be greatly appreciated.</P><P></P><P>Best Regards,</P><P>Yuuki</P></BODY></HTML> Mon, 03 Apr 2017 04:08:46 GMT https://community.nxp.com/t5/i-MX-Processors/The-ext4-file-is-broken-in-AndroidKK4-4-3-on-MX6Q-SABRE-SD/m-p/615265#M93052 yuuki 2017-04-03T04:08:46Z