RE: UFS failures with v5.13-rc4

["Alim Akhtar" <alim.akhtar@samsung.com>]

+ codeaurora guys ( Can and Asutosh)



> -----Original Message-----
> From: Felipe Balbi <balbi@kernel.org>
> Sent: 03 June 2021 19:56
> To: Alim Akhtar <alim.akhtar@samsung.com>; Avri Altman
> <avri.altman@wdc.com>; James E.J. Bottomley <jejb@linux.ibm.com>;
> Martin K. Petersen <martin.petersen@oracle.com>; linux-
> scsi@vger.kernel.org; linux-arm-msm@vger.kernel.org
> Subject: UFS failures with v5.13-rc4
> 
> 
> Hi guys,
> 
> Today I managed to trigger some pretty bad faults with with v5.13-rc4
> running on SM8150 (Snapdragon) and iozone.
> 
> It seems the problem only happens when using bfq iosched, as I couldn't
> trigger it with mq-deadline.
> 
> Here's the relevant snippet of console logs, full dmesg.txt attached.
> 
> # echo bfq > /sys/block/sdg/queue/scheduler # iozone -i 0 -R -t 8 -s 1G -r
> 16M -b /tmp/iozone-bfq.xls -F /mnt/file0 /mnt/file1 /mnt/file2 /mnt/file3
> /mnt/file4 /mnt/file5 /mnt/file6 /mnt/file7
>         Iozone: Performance Test of File I/O
>                 Version $Revision: 3.489 $
>                 Compiled for 64 bit mode.
>                 Build: linux
> 
>         Contributors:William Norcott, Don Capps, Isom Crawford, Kirby
Collins
>                      Al Slater, Scott Rhine, Mike Wisner, Ken Goss
>                      Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain
CYR,
>                      Randy Dunlap, Mark Montague, Dan Million, Gavin
Brebner,
>                      Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave
Boone,
>                      Erik Habbinga, Kris Strecker, Walter Wong, Joshua
Root,
>                      Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren
Sawyer,
>                      Vangel Bojaxhi, Ben England, Vikentsi Lapa,
>                      Alexey Skidanov, Sudhir Kumar.
> 
>         Run began: Thu Jan  1 02:29:50 1970
> 
>         Excel chart generation enabled
>         File size set to 1048576 kB
>         Record Size 16384 kB
>         Command line used: iozone -i 0 -R -t 8 -s 1G -r 16M -b
/tmp/iozone-
> bfq.xls -F /mnt/file0 /mnt/file1 /mnt/file2 /mnt/file3 /mnt/file4
/mnt/file5
> /mnt/file6 /mnt/fil
> e7
>         Output is in kBytes/sec
>         Time Resolution = 0.000001 seconds.
>         Processor cache size set to 1024 kBytes.
>         Processor cache line size set to 32 bytes.
>         File stride size set to 17 * record size.
>         Throughput test with 8 processes
>         Each process writes a 1048576 kByte file in 16384 kByte records [
> 2475.173128] ufshcd-qcom 1d84000.ufshc: __ufshcd_issue_tm_cmd: task
> management cmd 0x80 timed-out [ 2475.182205] ufshcd-qcom
> 1d84000.ufshc: ufshcd_try_to_abort_task: no response from device. tag = 0,
> err -110 [ 2475.252049] ufshcd-qcom 1d84000.ufshc: Controller enable
failed [
> 2475.317224] ufshcd-qcom 1d84000.ufshc: Controller enable failed [
> 2475.382038] ufshcd-qcom 1d84000.ufshc: Controller enable failed [
> 2475.447318] ufshcd-qcom 1d84000.ufshc: Controller enable failed [
> 2475.453450] ufshcd-qcom 1d84000.ufshc: ufshcd_host_reset_and_restore:
> Host init failed -5 [ 2475.522779] ufshcd-qcom 1d84000.ufshc: Controller
> enable failed [ 2475.587983] ufshcd-qcom 1d84000.ufshc: Controller enable
> failed [ 2475.653027] ufshcd-qcom 1d84000.ufshc: Controller enable failed
[
> 2475.719555] ufshcd-qcom 1d84000.ufshc: Controller enable failed [
> 2475.725690] ufshcd-qcom 1d84000.ufshc: ufshcd_host_reset_and_restore:
> Host init failed -5 [ 2475.795173] ufshcd-qcom 1d84000.ufshc: Controller
> enable failed [ 2475.861232] ufshcd-qcom 1d84000.ufshc: Controller enable
> failed [ 2475.926035] ufshcd-qcom 1d84000.ufshc: Controller enable failed
[
> 2475.991184] ufshcd-qcom 1d84000.ufshc: Controller enable failed [
> 2475.997382] ufshcd-qcom 1d84000.ufshc: ufshcd_host_reset_and_restore:
> Host init failed -5 [ 2476.064948] ufshcd-qcom 1d84000.ufshc: Controller
> enable failed [ 2476.129955] ufshcd-qcom 1d84000.ufshc: Controller enable
> failed [ 2476.194502] ufshcd-qcom 1d84000.ufshc: Controller enable failed
[
> 2476.259851] ufshcd-qcom 1d84000.ufshc: Controller enable failed [
> 2476.265962] ufshcd-qcom 1d84000.ufshc: ufshcd_host_reset_and_restore:
> Host init failed -5 [ 2476.334428] ufshcd-qcom 1d84000.ufshc: Controller
> enable failed [ 2476.399788] ufshcd-qcom 1d84000.ufshc: Controller enable
> failed [ 2476.465468] ufshcd-qcom 1d84000.ufshc: Controller enable failed
[
> 2476.529965] ufshcd-qcom 1d84000.ufshc: Controller enable failed [
> 2476.536086] ufshcd-qcom 1d84000.ufshc: ufshcd_host_reset_and_restore:
> Host init failed -5 [ 2476.544523] ufshcd-qcom 1d84000.ufshc:
> ufshcd_err_handler: reset and restore failed with err -5 [ 2476.606521] sd
> 0:0:0:6: [sdg] tag#0 UNKNOWN(0x2003) Result: hostbyte=0x07
> driverbyte=0x00 cmd_age=0s [ 2476.615917] sd 0:0:0:6: [sdg] tag#0 CDB:
> opcode=0x2a 2a 00 00 35 b5 7c 00 00 10 00 [ 2476.623715]
> blk_update_request: I/O error, dev sdg, sector 28158944 op 0x1:(WRITE)
> flags 0x4000 phys_seg 16 prio class 0