https://community.nxp.com/t5/i-MX-Processors/imx8mm-EMMC-error/m-p/1433795#M188601 <P>Hi,NXP teams</P><P>Recently We have a rather troublesome problem.</P><P>We use imx8mm platform, and Linux-4.14.98 kernel，when we write data to emmc, at sometime <SPAN>will wait for long time and shows as below:</SPAN></P><P>[ 9430.110443] mmc0: cqhci: timeout for tag 31<BR />[ 9430.114641] mmc0: cqhci: ============ CQHCI REGISTER DUMP ===========<BR />[ 9430.121089] mmc0: cqhci: Caps: 0x0000310a | Version: 0x00000510<BR />[ 9430.127534] mmc0: cqhci: Config: 0x00001001 | Control: 0x00000000<BR />[ 9430.133979] mmc0: cqhci: Int stat: 0x00000000 | Int enab: 0x00000006<BR />[ 9430.140425] mmc0: cqhci: Int sig: 0x00000006 | Int Coal: 0x00000000<BR />[ 9430.146872] mmc0: cqhci: TDL base: 0xffffb000 | TDL up32: 0x00000000<BR />[ 9430.153318] mmc0: cqhci: Doorbell: 0x00000000 | TCN: 0x80000000<BR />[ 9430.159764] mmc0: cqhci: Dev queue: 0x00000004 | Dev Pend: 0x00000000<BR />[ 9430.166210] mmc0: cqhci: Task clr: 0x00000000 | SSC1: 0x00011000<BR />[ 9430.172656] mmc0: cqhci: SSC2: 0x00000001 | DCMD rsp: 0x00000004<BR />[ 9430.179102] mmc0: cqhci: RED mask: 0xfdf9a080 | TERRI: 0x00000000<BR />[ 9430.185548] mmc0: cqhci: Resp idx: 0x00000000 | Resp arg: 0x00000004<BR />[ 9430.191996] mmc0: sdhci: ============ SDHCI REGISTER DUMP ===========<BR />[ 9430.198442] mmc0: sdhci: Sys addr: 0xf9bdc000 | Version: 0x00000002</P><P>....</P><P>and then, we modify the linux source, <SPAN>shows as below:</SPAN></P><P><SPAN>drivers/mmc/host/sdhci-esdhc-imx.c </SPAN></P><P>static struct esdhc_soc_data usdhc_imx8qm_data = {<BR />.flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_STD_TUNING<BR />| ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_HS200<BR />| ESDHC_FLAG_HS400 | ESDHC_FLAG_HS400_ES<BR />// | ESDHC_FLAG_CQHCI // modify by Sindge 20220309<BR />| ESDHC_FLAG_STATE_LOST_IN_LPMODE<BR />| ESDHC_FLAG_CLK_RATE_LOST_IN_PM_RUNTIME,<BR />};</P><P>if we only write one file,that OK, but if we write more than two files at the same time, the write data is error!</P><P><SPAN>Do you have any good suggestions?</SPAN></P><P><SPAN>Hope for your reply</SPAN></P> Fri, 25 Mar 2022 03:32:27 GMT sindge 2022-03-25T03:32:27Z https://community.nxp.com/t5/i-MX-Processors/imx8mm-EMMC-error/m-p/1433795#M188601 <P>Hi,NXP teams</P><P>Recently We have a rather troublesome problem.</P><P>We use imx8mm platform, and Linux-4.14.98 kernel，when we write data to emmc, at sometime <SPAN>will wait for long time and shows as below:</SPAN></P><P>[ 9430.110443] mmc0: cqhci: timeout for tag 31<BR />[ 9430.114641] mmc0: cqhci: ============ CQHCI REGISTER DUMP ===========<BR />[ 9430.121089] mmc0: cqhci: Caps: 0x0000310a | Version: 0x00000510<BR />[ 9430.127534] mmc0: cqhci: Config: 0x00001001 | Control: 0x00000000<BR />[ 9430.133979] mmc0: cqhci: Int stat: 0x00000000 | Int enab: 0x00000006<BR />[ 9430.140425] mmc0: cqhci: Int sig: 0x00000006 | Int Coal: 0x00000000<BR />[ 9430.146872] mmc0: cqhci: TDL base: 0xffffb000 | TDL up32: 0x00000000<BR />[ 9430.153318] mmc0: cqhci: Doorbell: 0x00000000 | TCN: 0x80000000<BR />[ 9430.159764] mmc0: cqhci: Dev queue: 0x00000004 | Dev Pend: 0x00000000<BR />[ 9430.166210] mmc0: cqhci: Task clr: 0x00000000 | SSC1: 0x00011000<BR />[ 9430.172656] mmc0: cqhci: SSC2: 0x00000001 | DCMD rsp: 0x00000004<BR />[ 9430.179102] mmc0: cqhci: RED mask: 0xfdf9a080 | TERRI: 0x00000000<BR />[ 9430.185548] mmc0: cqhci: Resp idx: 0x00000000 | Resp arg: 0x00000004<BR />[ 9430.191996] mmc0: sdhci: ============ SDHCI REGISTER DUMP ===========<BR />[ 9430.198442] mmc0: sdhci: Sys addr: 0xf9bdc000 | Version: 0x00000002</P><P>....</P><P>and then, we modify the linux source, <SPAN>shows as below:</SPAN></P><P><SPAN>drivers/mmc/host/sdhci-esdhc-imx.c </SPAN></P><P>static struct esdhc_soc_data usdhc_imx8qm_data = {<BR />.flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_STD_TUNING<BR />| ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_HS200<BR />| ESDHC_FLAG_HS400 | ESDHC_FLAG_HS400_ES<BR />// | ESDHC_FLAG_CQHCI // modify by Sindge 20220309<BR />| ESDHC_FLAG_STATE_LOST_IN_LPMODE<BR />| ESDHC_FLAG_CLK_RATE_LOST_IN_PM_RUNTIME,<BR />};</P><P>if we only write one file,that OK, but if we write more than two files at the same time, the write data is error!</P><P><SPAN>Do you have any good suggestions?</SPAN></P><P><SPAN>Hope for your reply</SPAN></P> Fri, 25 Mar 2022 03:32:27 GMT https://community.nxp.com/t5/i-MX-Processors/imx8mm-EMMC-error/m-p/1433795#M188601 sindge 2022-03-25T03:32:27Z https://community.nxp.com/t5/i-MX-Processors/imx8mm-EMMC-error/m-p/1436827#M188801 <P>anybody?</P> Thu, 31 Mar 2022 07:41:14 GMT https://community.nxp.com/t5/i-MX-Processors/imx8mm-EMMC-error/m-p/1436827#M188801 sindge 2022-03-31T07:41:14Z https://community.nxp.com/t5/i-MX-Processors/imx8mm-EMMC-error/m-p/1440500#M189048 <P>When you write 2 or more files what is the error messages? Can you share the log file to us?</P> Thu, 07 Apr 2022 10:16:49 GMT https://community.nxp.com/t5/i-MX-Processors/imx8mm-EMMC-error/m-p/1440500#M189048 Rita_Wang 2022-04-07T10:16:49Z