Re: [ Regressions ] linux next 20201008: blk_update_request: I/O error, dev sda, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0

Naresh Kamboju
2020-10-08T20:06:07Z

On Thu, 8 Oct 2020 at 23:41, Naresh Kamboju <naresh.kamboju@linaro.org> wrote:
>
> There are two major regressions noticed on linux next tag 20201008.
> I will bisect this problem and get back to you.

Reverting scsi: patch set on linux next tag 20201008 fixed reported problems.
git revert --no-edit 653eb7c99d84..ed7fb2d018fd

>
> 1) qemu_i386 and qemu_x86 boot failed due to mount rootfs failing [1].
>
> Starting Remount Root and Kernel File Systems...
> [ 1.750740] ata1.00: WARNING: zero len r/w req
> [ 1.751423] ata1.00: WARNING: zero len r/w req
> [ 1.752361] ata1.00: WARNING: zero len r/w req
> [ 1.753400] ata1.00: WARNING: zero len r/w req
> [ 1.754447] ata1.00: WARNING: zero len r/w req
> [ 1.755529] ata1.00: WARNING: zero len r/w req
> [ 1.756630] sd 0:0:0:0: [sda] tag#0 FAILED Result:
> hostbyte=DID_ERROR driverbyte=DRIVER_OK cmd_age=0s
> [ 1.758622] sd 0:0:0:0: [sda] tag#0 CDB: Synchronize Cache(10) 35
> 00 00 00 00 00 00 00 00 00
> [ 1.760576] blk_update_request: I/O error, dev sda, sector 0 op
> 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0
> [ 1.761534] Buffer I/O error on dev sda, logical block 0, lost sync
> page write
> [ 1.764158] EXT4-fs (sda): I/O error while writing superblock
>
>
> 2) the devices boot pass but mkfs failed on x86_64, i386, arm64
> Juno-r2 devices [2].
>
> mkfs -t ext4 /dev/disk/by-id/ata-TOSHIBA_MG03ACA100_37O9KGL0F
> [ 72.159789] ata3.00: WARNING: zero len r/w req
> [ 72.164287] ata3.00: WARNING: zero len r/w req
> [ 72.168774] ata3.00: WARNING: zero len r/w req
> [ 72.168777] ata3.00: WARNING: zero len r/w req
> [ 72.168779] ata3.00: WARNING: zero len r/w req
> [ 72.168781] ata3.00: WARNING: zero len r/w req
> [ 72.168786] sd 2:0:0:0: [sda] tag#5 FAILED Result:
> hostbyte=DID_ERROR driverbyte=DRIVER_OK cmd_age=0s
> [ 72.168788] sd 2:0:0:0: [sda] tag#5 CDB: Synchronize Cache(10) 35
> 00 00 00 00 00 00 00 00 00
> [ 72.168791] blk_update_request: I/O error, dev sda, sector 0 op
> 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0
>
> Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
>
> metadata:
> git branch: master
> git repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
> git commit: e4fb79c771fbe2e6fcb3cffa87d5823a9bbf3f10
> git describe: next-20201008
> make_kernelversion: 5.9.0-rc8
> kernel-config:
> https://builds.tuxbuild.com/pOW-FELX2VUycejkuyiKZg/kernel.config
>
>
> steps to reproduce:
> --------------------------
> 1) qemu boot command:
>
> /usr/bin/qemu-system-x86_64 -cpu host -enable-kvm -nographic -net
> nic,model=virtio,macaddr=DE:AD:BE:EF:66:06 -net tap -m 1024 -monitor
> none -kernel bzImage --append "root=/dev/sda rootwait
> console=ttyS0,115200" -hda
> rpb-console-image-lkft-intel-corei7-64-20200723162342-41.rootfs.ext4
> -m 4096 -smp 4 -nographic
>
> 2) boot x86_64 with linux next 20201008 tag kernel and attach SDD drive.
>
> mkfs -t ext4 /dev/<drive-partition>
>
> Full log links,
> [1 ]https://lkft.validation.linaro.org/scheduler/job/1823906#L688
> [2] https://lkft.validation.linaro.org/scheduler/job/1823938#L2065
>
>
> --
> Linaro LKFT
> https://lkft.linaro.org