linux-kernel - Re: [PATCH RESEND v2 09/11] scsi: scsi_debug: Drop sdebug_dev_info.num_in

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Date:   Mon, 20 Mar 2023 11:41:51 +0000
From:   John Garry <john.g.garry@...cle.com>
To:     kernel test robot <oliver.sang@...el.com>
Cc:     oe-lkp@...ts.linux.dev, lkp@...el.com, linux-scsi@...r.kernel.org,
        jejb@...ux.ibm.com, martin.petersen@...cle.com, bvanassche@....org,
        linux-kernel@...r.kernel.org, dgilbert@...erlog.com
Subject: Re: [PATCH RESEND v2 09/11] scsi: scsi_debug: Drop
 sdebug_dev_info.num_in_q

On 20/03/2023 05:31, kernel test robot wrote:
> 
> Greeting,
> 
> FYI, we noticed blktests.scsi/004.fail due to commit (built with gcc-11):
> 
> commit: 76fe86662c283bf322ac1e032c46ddaa0da5cb16 ("[PATCH RESEND v2 09/11] scsi: scsi_debug: Drop sdebug_dev_info.num_in_q")
> url: https://github.com/intel-lab-lkp/linux/commits/John-Garry/scsi-scsi_debug-Don-t-hold-driver-host-struct-pointer-in-host-hostdata/20230313-173528
> base: https://git.kernel.org/cgit/linux/kernel/git/mkp/scsi.git for-next
> patch link: https://lore.kernel.org/all/20230313093114.1498305-10-john.g.garry@oracle.com/
> patch subject: [PATCH RESEND v2 09/11] scsi: scsi_debug: Drop sdebug_dev_info.num_in_q
> 
> in testcase: blktests
> version: blktests-x86_64-e3f2ca5-1_20230228
> with following parameters:
> 
> 	disk: 1HDD
> 	test: scsi-group-02
> 
> 
> 
> on test machine: 16 threads 1 sockets Intel(R) Xeon(R) CPU D-1541 @ 2.10GHz (Broadwell-DE) with 48G memory
> 
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
> 
> 
> 
> 
> If you fix the issue, kindly add following tag
> | Reported-by: kernel test robot <oliver.sang@...el.com>
> | Link: https://lore.kernel.org/oe-lkp/202303201334.18b30edc-oliver.sang@intel.com
> 
> 
> 2023-03-18 00:18:58 sed "s:^:scsi/:" /lkp/benchmarks/blktests/tests/scsi-group-02
> 2023-03-18 00:18:58 ./check scsi/004 scsi/005
> scsi/004 (ensure repeated TASK SET FULL results in EIO on timing out command)
> scsi/004 (ensure repeated TASK SET FULL results in EIO on timing out command) [failed]
>      runtime    ...  1.467s
>      --- tests/scsi/004.out	2023-02-28 16:52:49.000000000 +0000
>      +++ /lkp/benchmarks/blktests/results/nodev/scsi/004.out.bad	2023-03-18 00:19:00.232079954 +0000
>      @@ -1,3 +1,2 @@
>       Running scsi/004
>      -Input/output error
>       Test complete
> 

I'll check this now.

> 
> 
> To reproduce:
> 
>          git clone https://github.com/intel/lkp-tests.git
>          cd lkp-tests
>          sudo bin/lkp install job.yaml           # job file is attached in this email
>          bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
>          sudo bin/lkp run generated-yaml-file
> 
>          # if come across any failure that blocks the test,
>          # please remove ~/.lkp and /lkp dir to run from a clean state.
> 
> 
>