On 11/3/21 12:51, Jens Axboe wrote:
> External email: Use caution opening links or attachments
>
>
> On 11/3/21 8:14 AM, kernel test robot wrote:
>>
>>
>> Greeting,
>>
>> FYI, we noticed the following commit (built with gcc-9):
>>
>> commit: f9c499bbbf603389abad60d1931c16b2f96dee06 ("[PATCH 1/2] nvme: move command clear into the various setup helpers")
>> url: https://github.com/0day-ci/linux/commits/Jens-Axboe/nvme-move-command-clear-into-the-various-setup-helpers/20211018-214956
>> base: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git 519d81956ee277b4419c723adfb154603c2565ba
>> patch link: https://lore.kernel.org/linux-block/20211018124934.235658-2-axboe@xxxxxxxxx
>>
>> in testcase: will-it-scale
>> version: will-it-scale-x86_64-a34a85c-1_20211029
>> with following parameters:
>>
>> nr_task: 50%
>> mode: process
>> test: readseek1
>> cpufreq_governor: performance
>> ucode: 0x700001e
>>
>> test-description: Will It Scale takes a testcase and runs it from 1 through to n parallel copies to see if the testcase will scale. It builds both a process and threads based test in order to see any differences between the two.
>> test-url: https://github.com/antonblanchard/will-it-scale
>>
>>
>> on test machine: 144 threads 4 sockets Intel(R) Xeon(R) Gold 5318H CPU @ 2.50GHz with 128G 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@xxxxxxxxx>
>>
>>
>> [ 38.907274][ T868] nvme nvme0: pci function 0000:24:00.0
>> [ 38.924627][ T1103] scsi host0: ahci
>> 0m.
>> [ 38.948010][ T773] nvme nvme0: Identify Controller failed (16641)
>> [ 38.951220][ T1103] scsi host1: ahci
>> [ 38.954193][ T773] nvme nvme0: Removing after probe failure status: -5
>
For PCIe controller, I don't see any reason to fail the identify
controller command except this might be a controller issue.
Can you please provide what type of controller you are using ?
Also, can this be reproduced on the different controllers ?
