Hi James and Paul Could you share a dmesg output of your system after the bug occur with this kernel parameters "drm.debug=0x1e log_buf_len=4M"? Also the output of /sys/kernel/debug/dri/0/i915_edp_psr_status Thanks On Wed, 2019-07-10 at 15:18 -0700, James Bottomley wrote: > On Wed, 2019-07-10 at 23:59 +0200, Paul Bolle wrote: > > James Bottomley schreef op wo 10-07-2019 om 10:35 [-0700]: > > > I can get back to it this afternoon, when I'm done with the > > > meeting > > > requirements and doing other dev stuff. > > > > I've started bisecting using your suggestion of that drm merge: > > $ git bisect log > > git bisect start > > # good: [89c3b37af87ec183b666d83428cb28cc421671a6] Merge > > git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide > > git bisect good 89c3b37af87ec183b666d83428cb28cc421671a6 > > # bad: [a2d635decbfa9c1e4ae15cb05b68b2559f7f827c] Merge tag > > 'drm- > > next-2019-05-09' of git://anongit.freedesktop.org/drm/drm > > git bisect bad a2d635decbfa9c1e4ae15cb05b68b2559f7f827c > > # bad: [ad2c467aa92e283e9e8009bb9eb29a5c6a2d1217] drm/i915: > > Update DRIVER_DATE to 20190417 > > git bisect bad ad2c467aa92e283e9e8009bb9eb29a5c6a2d1217 > > > > Git told me I have nine steps after this. So at two hours per step > > I > > might > > pinpoint the offending commit by Friday the 12th. If I'm lucky. > > (There are > > other things to do than bisecting this issue.) > > > > If you find that commit before I do, I'll be all ears. > > Sure ... I'm doing the holistic thing and looking at the tree in that > branch. It seems to consist of 7 i915 updates > > c09d39166d8a3f3788680b32dbb0a40a70de32e2 DRIVER_DATE to 20190207 > 47ed55a9bb9e284d46d6f2489e32a53b59152809 DRIVER_DATE to 20190220 > f4ecb8ae70de86710e85138ce49af5c689951953 DRIVER_DATE to 20190311 > 1284ec985572232ace4817476baeb2d82b60be7a DRIVER_DATE to 20190320 > a01b2c6f47d86c7d1a9fa822b3b91ec233b61784 DRIVER_DATE to 20190328 > 28d618e9ab86f26a31af0b235ced55beb3e343c8 DRIVER_DATE to 20190404 > ad2c467aa92e283e9e8009bb9eb29a5c6a2d1217 DRIVER_DATE to 20190417 > > So I figured I'd see if I can locate the problem by bisection of > those > plus inspection. > > James > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx