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SubjectRe: [NTB] 26b3a37b92: WARNING:at_kernel/params.c:#param_sysfs_init


On 2019-07-26 2:23 a.m., kernel test robot wrote:
> FYI, we noticed the following commit (built with gcc-4.9):
>
> commit: 26b3a37b928457ba2cd98eaf6d7b0feca5a30fa6 ("NTB: Introduce MSI library")
> https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux.git master
>
> in testcase: locktorture
> with following parameters:
>
> runtime: 300s
> test: cpuhotplug
>
> test-description: This torture test consists of creating a number of kernel threads which acquire the lock and hold it for specific amount of time, thus simulating different critical region behaviors.
> test-url: https://www.kernel.org/doc/Documentation/locking/locktorture.txt
>
>
> on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 2G
>
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
>
>
> +----------------------------------------------+------------+------------+
> | | d217e07b32 | 26b3a37b92 |
> +----------------------------------------------+------------+------------+
> | boot_successes | 4 | 0 |
> | boot_failures | 0 | 4 |
> | WARNING:at_kernel/params.c:#param_sysfs_init | 0 | 4 |
> | RIP:param_sysfs_init | 0 | 4 |
> +----------------------------------------------+------------+------------+
>

Oh shoot.

This confusing report is caused by me accidentally leaving the MODULE_
defines in a file that ended up not being a module. I'll send a patch ASAP.

Logan


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