On Fri, Mar 13, 2015 at 12:36:04PM +0100, Paul Bolle wrote: > Dave Airlie schreef op vr 06-03-2015 om 21:52 [+0000]: > > Thierry Reding (1): > > drm/mm: Support 4 GiB and larger ranges > > Yesterday the screen on my (outdated) ThinkPad X41 went, well, black > while it was busy compiling something unattended. I eventually had to > power cycle that laptop to regain control. I found a drm related BUG() > in the logs (pasted at the end of the message). > > I only have three months worth of logs (a diagnoising session pushed > most of the logs into /dev/null a few weeks ago). But this is the only > time I saw that BUG in that period. Now that commit is the last thing > touching that code, and the various unsigned long to u64 conversions > _might_ just have gone wrong for 32 bits. I didn't spot anything utterly > obvious in that commit, but point a finger at it just in case. There should be a patch in v4.0-rc4 (046d669c62f3 "drm/mm: Fix support 4 GiB and larger ranges") that presumably fixes this. Does it work for you as well? Thierry
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