On 10/2/21 4:16 AM, Luis Henriques wrote: > "Theodore Ts'o" <tytso@xxxxxxx> writes: > >> On Fri, Oct 01, 2021 at 02:46:09PM -0600, Jens Axboe wrote: >>> >>> Hmm, do older versions fail? I see Ted suggested that 3.27 doesn't, can >>> you give that a go? If that does work, would be great if you could try >>> and bisect it. >> >> I just tried fio 3.28, and it worked for me. So I don't think it's >> fio. > > Awesome, thank you both for checking it out. So, it's definitely > something in my test environment. > >> Luis, could it be related to a kernel config option? > > Yeah, it could be. I've tested this on a rolling release (openSUSE TW), > so it's definitely quite different from Debian 10. It may take me a bit > to figure out what's going on, but I'll start with this kernel config and > report back any finding. > > Again, thank you both for confirming it's working on your side. Do you have a core file from fio? Would be interesting to get a backtrace from it. In terms of why it's failing, a guess would be that your device is using 4k sectors and the test is trying to do 1k aligned dio. That would fail, but it should not cause fio to crash... -- Jens Axboe
