On Tue, Mar 05, 2024 at 05:42:45PM +0200, Adrian Bunk wrote:
liburing is Not-For-Us on Alpha since 2022, and if I saw it correctly
imago was recently twice killed by bfs (which now uses io_uring).
Recent kernels do contain io_uring fixes (e.g. in 5.10.186),
which might or might not be related.
Still running a 5.8.y kernel on Imago because of rare random memory
corruption issues with later kernels, but have recently tracked that
down to the use of CONFIG_COMPACTION, so will work on getting a newer
kernel installed and can test io_uring.
Blacklisting liburing and packages build depending on it on imago might
be a (not necessarily complete) short-term workaround, currently these
would be:
Reverse-Build-Depends
=====================
* bfs (for liburing-dev)
* ceph (for liburing-dev)
* libdex (for liburing-dev)
* mariadb (for liburing-dev)
* mpd (for liburing-dev)
* plocate (for liburing-dev)
This is not necessarily a complete workaround since libdex and
libmariadbd are linked with liburing, but it might be a short-term workaround.
Yeah, I put bfs into the no-auto-build list on Imago because it
kept crashing the machine hard. It does seem to build on the qemu
instances which I think are running newer kernels, so that might be
an indication that getting a newer kernel onto Imago might be the
solution.
Cheers
Michael.
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