On Sat, May 21, 2022 at 05:14:36AM +0000, bugzilla-daemon@xxxxxxxxxx wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=216007 > > --- Comment #4 from Peter Pavlisko (bugzkernelorg8392@xxxxxxxxx) --- > > What sort of storage subsystem does this machine have? If it's a spinning > > disk then you've probably just filled memory > > Yes, all the disks are classic spinning CMR disks. But, out of all file systems > tried, only XFS is doing this on the test machine. I can trigger this behavior > every time. And kernels from 5.10 and bellow still work, even with my > non-standard .config. > > Here is the memory situation when it is stuck: > > ftp-back ~ # free > total used free shared buff/cache available > Mem: 3995528 175872 69240 416 3750416 3763584 Doesn't tell us a whole lot except for "no free memory to allocate without reclaim". /proc/meminfo, /proc/vmstat and /proc/slabinfo would tell us a lot more. Also, knowing if you've tweaked things like dirty ratios, etc would also be helpful... > This may not be a XFS bug, but so far only XFS seems to suffer from it. Not that uncommon, really. XFS puts a different load on the memory allocation/reclaim and cache subsystems compared to other filesystems, so XFS tends to trip over bugs that others don't. Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx
