Control: tags -1 + moreinfo Lisandro,
On Sun, Dec 27, 2020 at 07:22:06PM -0300, Lisandro Damián Nicanor Pérez Meyer wrote: > Package: src:linux > Version: 5.9.15-1 > Severity: important > Tags: upstream > Forwarded: https://bugzilla.kernel.org/show_bug.cgi?id=202665 > X-Debbugs-Cc: lisan...@debian.org > > Hi! I'm filing this bug for 5.9.0-5-amd64 but it also happens with > 5.9.0-4-amd64. > > After upgrading Plasma (KDE) to current unstable and trying to log in I > get nnme/AMD-Vi page faults (see attached photo). I could not determine > what specifically in Plasma triggers the issue, in fact I had to log in > via ssh prior to log in to get the demsg output. > > I tried to log in with other desktops and they did not show the problem. > > At first I thought it was a Plasma or video driver-triggered issue. I even > tried installing the proprietary NVidia driver to see if it was > somehow triggered by the video driver and no luck. > > And then I found: > > https://bugzilla.kernel.org/show_bug.cgi?id=202665 > > The work around in that bug (using "iommu=soft" as a kernel parameter) > worked like a charm. The only thing I could not check (because I don't > know how) is if it's really related to fstrim/discard. > > I'm using the above URL as forwarded tag, but of course feel free to > change that as needed. > > If I can be of further help please just ping me. > > Kinds regards and **thanks** for your work is this something you still can reproduce with the 5.10 kernel in unstable? Regards, Salvatore