[Bug 102365] [BAT][SNB] unchecked MSR access error: (RD|WR)MSR from/to 0x1b0 at rIP: 0xffffffff81030a4f (init_intel_energy_perf)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102365

--- Comment #12 from Marta Löfstedt <marta.lofstedt at intel.com> ---
https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4036/shard-snb1/igt@kms_flip@vblank-vs-modeset-suspend.html

[  101.147381] IRQ 30: no longer affine to CPU7
[  101.150605] unchecked MSR access error: RDMSR from 0x1b0 at rIP:
0xffffffff8102c4a6 (init_intel_energy_perf.part.3+0x6/0xa0)
[  101.150606] Call Trace:
[  101.150610]  syscore_resume+0x58/0x310
[  101.150614]  suspend_devices_and_enter+0xa37/0xcc0
[  101.150621]  pm_suspend+0x4e3/0x9d0
[  101.150625]  state_store+0x6d/0xd0
[  101.150630]  kernfs_fop_write+0x10b/0x1a0
[  101.150636]  __vfs_write+0x1e/0x130
[  101.150639]  ? rcu_read_lock_sched_held+0x6f/0x80
[  101.150641]  ? rcu_sync_lockdep_assert+0x25/0x50
[  101.150643]  ? __sb_start_write+0xd5/0x1f0
[  101.150645]  ? __sb_start_write+0xef/0x1f0
[  101.150649]  vfs_write+0xc0/0x1b0
[  101.150654]  SyS_write+0x40/0xa0
[  101.150658]  entry_SYSCALL_64_fastpath+0x1c/0x89
[  101.150661] RIP: 0033:0x7f40ef8868f0
[  101.150662] RSP: 002b:00007fff40738268 EFLAGS: 00000246 ORIG_RAX:
0000000000000001
[  101.150665] RAX: ffffffffffffffda RBX: 0000558484060050 RCX:
00007f40ef8868f0
[  101.150667] RDX: 0000000000000004 RSI: 0000558484060060 RDI:
0000000000000008
[  101.150668] RBP: 00007f40efb4fb00 R08: 000055848405dde0 R09:
00007f40efd5a700
[  101.150669] R10: 00007f40efb4fb58 R11: 0000000000000246 R12:
00007f40efb4fb58
[  101.150671] R13: 00007f40efb4fb58 R14: 000000000000270f R15:
0000000000001010
[  101.150682] unchecked MSR access error: WRMSR to 0x1b0 (tried to write
0x0000000000000006) at rIP: 0xffffffff8102c4e5
(init_intel_energy_perf.part.3+0x45/0xa0)
[  101.150684] Call Trace:
[  101.150686]  syscore_resume+0x58/0x310
[  101.150689]  suspend_devices_and_enter+0xa37/0xcc0
[  101.150695]  pm_suspend+0x4e3/0x9d0
[  101.150699]  state_store+0x6d/0xd0
[  101.150704]  kernfs_fop_write+0x10b/0x1a0
[  101.150708]  __vfs_write+0x1e/0x130
[  101.150711]  ? rcu_read_lock_sched_held+0x6f/0x80
[  101.150713]  ? rcu_sync_lockdep_assert+0x25/0x50
[  101.150715]  ? __sb_start_write+0xd5/0x1f0
[  101.150716]  ? __sb_start_write+0xef/0x1f0
[  101.150721]  vfs_write+0xc0/0x1b0
[  101.150725]  SyS_write+0x40/0xa0
[  101.150729]  entry_SYSCALL_64_fastpath+0x1c/0x89
[  101.150731] RIP: 0033:0x7f40ef8868f0
[  101.150732] RSP: 002b:00007fff40738268 EFLAGS: 00000246 ORIG_RAX:
0000000000000001
[  101.150735] RAX: ffffffffffffffda RBX: 0000558484060050 RCX:
00007f40ef8868f0
[  101.150736] RDX: 0000000000000004 RSI: 0000558484060060 RDI:
0000000000000008
[  101.150737] RBP: 00007f40efb4fb00 R08: 000055848405dde0 R09:
00007f40efd5a700
[  101.150739] R10: 00007f40efb4fb58 R11: 0000000000000246 R12:
00007f40efb4fb58
[  101.150740] R13: 00007f40efb4fb58 R14: 000000000000270f R15:
0000000000001010
[  101.155864]  cache: parent cpu1 should not be sleeping

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