Messages in this thread | | | Date | Wed, 21 Mar 2012 15:43:45 +0000 | Subject | Re: hibernate random memory corruption, workaround i915.modeset=0 | From | Dave Airlie <> |
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On Wed, Mar 21, 2012 at 3:14 PM, Stanislaw Gruszka <sgruszka@redhat.com> wrote: > On Mon, Mar 19, 2012 at 10:21:28AM -0700, Keith Packard wrote: >> <#part sign=pgpmime> >> On Mon, 19 Mar 2012 15:53:54 +0100, Stanislaw Gruszka <sgruszka@redhat.com> wrote: >> >> > Keith, is there a chance that this bug can be fixed by i915 team? >> >> Yes, I'm working on figuring out how to actually reproduce this and then >> work on a few work-arounds. > > This must be hardware dependent then, yesterday and today I tried to > reproduce on Lenovo T60 with: > > 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller [8086:27a2] (rev 03) > > and there is no sign of corruption, I double checked if slab poisoning > is enabled. > >> > If not, can we disable hibernate on i915 with modeset=1 and add >> > module option, which enable it for those who want to risk? >> >> I'd love to know if disabling modeset on just the booting kernel helps; >> leaving the resuming kernel with modeset=1. I haven't been able to >> reproduce this locally yet to test this theory though. > > On Lenovo T500 with: > > 00:02.1 Display controller [0380]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a43] (rev 07)
I also did a bunch of tests on my 965GM and it didn't die,
so it might be its a GM45 and Ironlake at least.
Dave.
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