Re: WARNING: CPU: 4 PID: 10512 at drivers/md/raid5-cache.c:728 r5l_do_reclaim+0x415/0x430 [raid456]

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On 08/02/2016 09:31 PM, yizhan wrote:

I tried with latest Linus's tree (731c7d3a205ba89b475b2aa71b5f13dd6ae3de56), but still can't find the warning.

linux241:~ # uname -r
4.7.0-11-default+
linux241:~ # mdadm --version
mdadm - v3.4-41-gf96b130 - 30th March 2016

The biggest difference is that I am using VM machine while you were testing with real hardware, though I am not sure it was caused by hardware or not. Do you always see the "couldn't update array info" info during test? If so,
pls try to make it disappear.

Thanks,
Guoqing
May be it's env related, I have tried on another PC which with the same kernel/mdadm version and cannot reproduce it.

I guess you can check the difference of hardware about why it can't be happen with another PC.

Regards,
Guoqing
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