On Mon, May 31, 2021 at 10:24:05AM +0200, Hans de Goede wrote: > Hi, > > On 5/31/21 6:36 AM, Jarkko Sakkinen wrote: > > On Thu, May 27, 2021 at 05:27:49PM +0200, Hans de Goede wrote: > >> This is from: > >> https://retrace.fedoraproject.org/faf/reports/74723/ (public) > > > > I wonder if this occurs only with O_NONBLOCK. > > > > Any chances to get the output of > > > > sudo tools/testing/selftests/tpm2/test_smoke.sh > > > > ? > > > > It's obvious that there is some sort of bug, but it's not yet obvious that > > this bug is connected to the locality issue yet, as in this case locality > > is successfully reserved by tpm_try_get_ops() in tpm_dev_async_work() > > (driver/chars/tpm/tpm-dev-common.c). > > As mentioned I've asked the user to try with tpm_tis.interrupts=0 and see > if that makes a difference. I got a reply that the user only hit this > once and that this is not (easily) reproducible :| This is not about interrupts. It's about opening the file with O_NONBLOCK. I.e. the function returns and defers sending the command. > "looks like a spurious problem that may already be solved." > > I did get permission to open up the bug (make it public) so if you want > more info it is probably easiest if you interact directly with the > reporter here: > > https://bugzilla.redhat.com/show_bug.cgi?id=1964974 > > If you don't already have a bugzilla.redhat.com account, creating one > is super easy, you only need to enter your email address and pick a > password. I'll create one. I don't actually remember if I have one or not :-) /Jarkko
