On Sun, Nov 03, 2024 at 04:53:27PM -0700, Jens Axboe wrote: > On 11/3/24 4:47 PM, Andrew Marshall wrote: > > I identified f4ce3b5d26ce149e77e6b8e8f2058aa80e5b034e as the likely > > problematic commit simply by browsing git log. As indicated above; > > reverting that atop 6.6.59 results in success. Since it is passing on > > 6.11.6, I suspect there is some missing backport to 6.6.x, or some > > other semantic merge conflict. Unfortunately I do not have a compact, > > minimal reproducer, but can provide my large one (it is testing a > > larger build process in a VM) if needed?there are some additional > > details in the above-linked downstream bug report, though. I hope that > > having identified the problematic commit is enough for someone with > > more context to go off of. Happy to provide more information if > > needed. > > Don't worry about not having a reproducer, having the backport commit > pin pointed will do just fine. I'll take a look at this. I think stable is missing: 6b231248e97fc3 ("io_uring: consolidate overflow flushing")