On Sat, Aug 18, 2012 at 8:54 AM, Dave Airlie <airlied@xxxxxxxxx> wrote: > On Sat, Aug 18, 2012 at 8:28 AM, Randy Dunlap <rdunlap@xxxxxxxxxxxx> wrote: >> On 08/17/2012 03:25 PM, Justin M. Forbes wrote: >> >>> for <driver>, we have verified cases on inteldrmfb, radeondrmfb, and >>> cirrusdrmfb. >>> >>> This is the last message displayed before the system hangs. This seems >>> to be hitting a large number of users in Fedora, though certainly not >>> everyone. This started happening with the 3.5 updates, and is still an >>> issue. It appears to be a race condition, because various things have >>> allowed boot to continue for some users, though there is no clear work >>> around. Has anyone else run across this? Any ideas. For more >>> background we have the following bugs: >>> >>> inteldrmfb: >>> https://bugzilla.redhat.com/show_bug.cgi?id=843826 >>> >>> radeondrmfb: >>> https://bugzilla.redhat.com/show_bug.cgi?id=845745 >>> >>> cirrusdrmfb <kvm>: >>> https://bugzilla.redhat.com/show_bug.cgi?id=843860 >>> >>> It should be noted that the conflicting fb hw usage message is not new, >>> it has been around for a while, but this is the last message seen before >>> the hang. >> >> >> Hi, (adding dri-devel mailing list) >> >> >> I started seeing this problem on 3.5-rc6. >> >> AFAICT, the system is not actually hung, it's just that no output >> is showing up on the real (physical) output device (display) -- it's >> going somewhere else (or to the bit bucket). >> > > Can we bisect this at all? > > I worry the intel one will bisect to where we moved the conflict > resolution earlier, but I'd like to see if applying that patch earlier > causes the issue, since radeon has it. > > I haven't reproduced this on any hw I own, I also can't get it under qemu. I'm also wondering whether this grub2 related in some way, grub2 is starting to mess with the graphics adapter pointlessly. Dave. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel