(In reply to Gabriel Krisman Bertazi from comment #10) > I got a machine to work on this. Based on comment 1, I understand this is > ppc64le, not ppc64, correct? ppc64le indeed > > actually already the liburing embedded testsuite is failing on ppc64le. > Dirk, I know this was quite a while, but was the testsuite running on the > host or the VM? We've got quite a few fixes to io_uring on SP4 since last > year. we ran it on both, issue happened on both. > I'll try reproduce both the testsuite error and the fio corruption and > report back. this might be already fixed. That'd be nice. we can certainly do a new experiment with current SP4 kernel and see how far we get.