On Wednesday, October 01, 2014 10:29:07 AM Daniel Vetter wrote: > On Wed, Oct 01, 2014 at 09:19:50AM +0100, Chris Wilson wrote: > > On Wed, Oct 01, 2014 at 10:13:00AM +0200, Daniel Vetter wrote: > > > On Wed, Oct 01, 2014 at 07:28:39AM +0100, Chris Wilson wrote: > > > > On Wed, Oct 01, 2014 at 01:04:19AM +0200, Daniel Vetter wrote: > > > > > This seems to have been accidentally lost in > > > > > > > > > > commit be62acb4cce1389a28296852737e3917d9cc5b25 > > > > > Author: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx> > > > > > Date: Fri Aug 30 16:19:28 2013 +0300 > > > > > > > > > > drm/i915: ban badly behaving contexts > > > > > > > > > > Without this real gpu hangs only log output at info level, which gets > > > > > filtered away by piglit's testrunner. > > > > > > > > A successful GPU hang is not an error. Might be a warn or a notice, but > > > > it certainly isn't a driver error. > > > > > > Well not of the kernel driver, but might very well be a bug in the > > > userspace driver. With this piglit marks tests that hung the gpu as > > > dmesg-fail, without this they might even pass. Ken raised this on irc and > > > I agree that it's a must-have feature for developers that their testsuite > > > can tell them when stuff broke. Provding this some other way is a lot more > > > work and imo should be done in a separate patch, this here is just the > > > minimal fix for this regression. > > > > I strongly disagree that we should be working around self-imposed > > limitations of the test suite by making users believe their kernel is > > broken. > > So what else should piglit do then? > -Daniel Your GPU hanging is clearly more severe than "info" - it may impact your system stability, and likely represents a bug somewhere in the graphics drivers (whether kernel or userspace). I think we all agree on that. Piglit runs "dmesg --level emerg,alert,crit,err,warn,notice", which covers everything except "info" and "debug". So anything other than info/debug would be just fine. --Ken
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