Re: uring regression - lost write request

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On 10/22/21 10:10, Pavel Begunkov wrote:
On 10/22/21 04:12, Daniel Black wrote:
Sometime after 5.11 and is fixed in 5.15-rcX (rc6 extensively tested
over last few days) is a kernel regression we are tracing in
https://jira.mariadb.org/browse/MDEV-26674 and
https://jira.mariadb.org/browse/MDEV-26555
5.10 and early across many distros and hardware appear not to have a problem.

I'd appreciate some help identifying a 5.14 linux stable patch
suitable as I observe the fault in mainline 5.14.14 (built

Cc: io-uring@xxxxxxxxxxxxxxx

Let me try to remember anything relevant from 5.15,
Thanks for letting know

Daniel, following the links I found this:

"From: Daniel Black <daniel@xxxxxxxxxxx>
...
The good news is I've validated that the linux mainline 5.14.14 build
from https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.14.14/ has
actually fixed this problem."

To be clear, is the mainline 5.14 kernel affected with the issue?
Or does the problem exists only in debian/etc. kernel trees?

--
Pavel Begunkov



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