Hi, On ti, 2016-02-23 at 11:55 +1000, Adam Nielsen wrote: > Hi all, > > I'm an end user and I'm having problems which I believe are ultimately > caused by an issue with the Intel kernel driver. > > When I am running programs that use a lot of images (e.g. GIMP, Firefox > with YouTube and Google Maps) then after a short while my whole machine > will grind to a halt, to the point where even my audio buffers don't > get updated so I hear the same 500ms of audio repeated in a loop until > the system comes back to life again. > > Typically the system will stop responding from anywhere between 30 > seconds to a minute, and usually it returns to service after the kernel > OOM killer has ended a process - typically Firefox as it uses the most > system memory. > > Of course it's not a system OOM problem, because the system has 16GB of > RAM and the problem still happens even if less than 4GB is in use. > > Looking at dmesg, the problem always starts with a message like this: > > Purging GPU memory, 69632 bytes freed, 48553984 bytes still pinned. > > Since system memory is fine, I can only assume this means that there is > some limit on the amount of memory the video driver can access, and it > has reached that limit. > > Here is the top of the backtrace, if it's relevant: > > Call Trace: > [] dump_stack+0x4b/0x72 > [] dump_header+0x87/0x21e > [] ? i915_gem_shrinker_oom+0x1a1/0x200 [i915] > [] oom_kill_process+0x34b/0x3b0 > [] out_of_memory+0x21f/0x490 > [] __alloc_pages_nodemask+0x8c8/0x960 > [] alloc_kmem_pages_node+0x7b/0x150 > > Can anyone shed any light on what's happening here? Is there a limit > to how much video memory the system can access? I thought that was > done away with once AGP disappeared but perhaps not. > Can you attach a full dmesg from boot until the problem appears? Regards, Joonas > Is there any way to alleviate the problems this issue produces? It's > very annoying to be zooming around in Google Maps one moment and then > dumped back to the console the next because the kernel killed X11. > > My system is an Intel DH87MC w/ i7-4770K, kernel 4.3.3. Three > monitors, DVI + HDMI + DisplayPort, total res 4960x1600. > > Many thanks, > Adam. > > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Joonas Lahtinen Open Source Technology Center Intel Corporation _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
