Bug#1031753: linux-image-5.10.0-21-s390x: user space process hangs on s390 kernel 5.10.162-1
On Wed, Feb 22, 2023 at 05:19:47AM +0530, Dipak Zope wrote:
> Package: src:linux
> Version: 5.10.162-1
> Severity: normal
> X-Debbugs-Cc: pkern@debian.org, elbrus@debian.org, dipak.zope1@ibm.com
>
> Dear Maintainer,
>
> What led up to the situation?
> * Processes does not proceed further, when there is a pending TIF_NOTIFY_SIGNAL signal.
> The problem is further described in the cover letter:
> https://lists.debian.org/debian-s390/2023/02/msg00019.html
> There are other relevant debian bugs #1030545, #1030510, which seems likely because of this issue.
> What exactly did you do (or not do) that was effective (or ineffective) ?
> * kernel upgrade to 5.10.0.21-s390x
> * commit 788d0824269b ("io_uring: import 5.15-stable io_uring")
> * commit 75309018a24d ("s390: add support for TIF_NOTIFY_SIGNAL")
> what was the outcome of this action?
> * Debian build machines started reporting test failures for multiple packages/ The processes
> would wait forever in do_signal.
> The following patch fixes this issue:
> https://lists.debian.org/debian-s390/2023/02/msg00019.html
> The patch fixes the problem introduced in commit 75309018a24d ("s390: add support for TIF_NOTIFY_SIGNAL")
> Would request to apply this to the bullseye kernel stable release.
Thanks, change is included in 5.10.169 and pending for the next
bullseye upload.
Regards,
Salvatore
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