The new test igt@debugfs_test@read_all_entries produces the following dmesg warnings when running on fi-bdw-gvtdvm and fi-skl-gvtdvm: [ 60.626475] unchecked MSR access error: RDMSR from 0x606 at rIP: 0xffffffffa0078f66 (i915_energy_uJ+0x36/0xb0 [i915]) [ 60.626482] Call Trace: [ 60.626487] seq_read+0xdc/0x3a0 [ 60.626492] full_proxy_read+0x4f/0x70 [ 60.626496] __vfs_read+0x23/0x120 [ 60.626498] ? putname+0x4f/0x60 [ 60.626502] ? rcu_read_lock_sched_held+0x75/0x80 [ 60.626505] ? entry_SYSCALL_64_fastpath+0x5/0xb1 [ 60.626509] vfs_read+0xa0/0x150 [ 60.626512] SyS_read+0x44/0xb0 [ 60.626515] entry_SYSCALL_64_fastpath+0x1c/0xb1 [ 60.626517] RIP: 0033:0x7f1f5e9f4500 [ 60.626519] RSP: 002b:00007ffc77e65cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 60.626522] RAX: ffffffffffffffda RBX: ffffffff8146e003 RCX: 00007f1f5e9f4500 [ 60.626524] RDX: 0000000000000200 RSI: 00007ffc77e65d10 RDI: 0000000000000006 [ 60.626526] RBP: ffffc900007abf88 R08: 0000000001eaff20 R09: 0000000000000000 [ 60.626527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 60.626529] R13: 0000000000000006 R14: 0000000000000005 R15: 0000000001eb94db [ 60.626533] ? __this_cpu_preempt_check+0x13/0x20 Full logs: - https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_2867/fi-bdw-gvtdvm/igt@debugfs_test@read_all_entries.html - https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_2867/fi-skl-gvtdvm/igt@debugfs_test@read_all_entries.html
Created attachment 132946 [details] [review] proposed fix fixable by the attached patch. I'm just waiting on -trybot confirmation before submitting to the list.
(In reply to krisman from comment #1) > Created attachment 132946 [details] [review] [review] > proposed fix > > fixable by the attached patch. I'm just waiting on -trybot confirmation > before submitting to the list. For documentation, the proposed fix seems to work: https://patchwork.freedesktop.org/series/27832/ Thanks for the swift fix proposal!
(In reply to Martin Peres from comment #2) > (In reply to krisman from comment #1) > > Created attachment 132946 [details] [review] [review] [review] > > proposed fix > > > > fixable by the attached patch. I'm just waiting on -trybot confirmation > > before submitting to the list. Submitted to intel-gfx. https://lists.freedesktop.org/archives/intel-gfx-trybot/2017-July/021872.html
Thanks for sending the patch out! However, please do not close a bug until the issue has been fixed in drm-tip.
(In reply to Martin Peres from comment #4) > Thanks for sending the patch out! However, please do not close a bug until > the issue has been fixed in drm-tip. And now it is pushed, so we can close the bug. Thanks!
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