[alsa-devel] BUG: soft lockup
Kirill A. Shutemov
kirill at shutemov.name
Thu Nov 2 10:09:51 CET 2017
On Thu, Nov 02, 2017 at 09:23:58AM +0100, Takashi Iwai wrote:
>
> Currently the least ALSA timer interrupt period is limited to 1ms.
> Does it still too much?
>
> Can the reproducer triggers it reliably? If yes, could you forward
> it, too (and config as well), so that I'll try to dig down more exact
> code paths?
All of that is part of original report:
http://lkml.kernel.org/r/94eb2c19df188b1926055cf13c21@google.com
marc.info hasn't stored repro.c for some reasone. Attached.
I've just check it reproduces reliably for me in KVM.
I also checked that it's not specific to THP -- still trigirable with huge
pages disabled.
--
Kirill A. Shutemov
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