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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT][SNB] unchecked MSR access error: (RD|WR)MSR from/to 0x1b0 at rIP: 0xffffffff81030a4f (init_intel_energy_perf)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=102365#c8">Comment # 8</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT][SNB] unchecked MSR access error: (RD|WR)MSR from/to 0x1b0 at rIP: 0xffffffff81030a4f (init_intel_energy_perf)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=102365">bug 102365</a>
from <span class="vcard"><a class="email" href="mailto:marta.lofstedt@intel.com" title="Marta Löfstedt <marta.lofstedt@intel.com>"> <span class="fn">Marta Löfstedt</span></a>
</span></b>
<pre><a href="https://intel-gfx-ci.01.org/tree/drm-tip/IGT_3985/fi-snb-2600/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-b.html">https://intel-gfx-ci.01.org/tree/drm-tip/IGT_3985/fi-snb-2600/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-b.html</a>
<6>[ 397.728312] ACPI: Preparing to enter system sleep state S3
<6>[ 397.739749] PM: Saving platform NVS memory
<6>[ 397.741156] Disabling non-boot CPUs ...
<6>[ 397.755464] smpboot: CPU 1 is now offline
<6>[ 397.768131] smpboot: CPU 2 is now offline
<6>[ 397.784517] smpboot: CPU 3 is now offline
<6>[ 397.800551] smpboot: CPU 4 is now offline
<6>[ 397.816131] smpboot: CPU 5 is now offline
<6>[ 397.830475] smpboot: CPU 6 is now offline
<6>[ 397.843868] smpboot: CPU 7 is now offline
<6>[ 397.845710] ACPI: Low-level resume complete
<6>[ 397.845777] PM: Restoring platform NVS memory
<4>[ 397.845869] unchecked MSR access error: RDMSR from 0x1b0 at rIP:
0xffffffff8102f58f (init_intel_energy_perf.part.3+0xf/0xb0)
<4>[ 397.845871] Call Trace:
<4>[ 397.845875] intel_bsp_resume+0x1a/0x20
<4>[ 397.845877] bsp_resume+0x1d/0x20
<4>[ 397.845881] syscore_resume+0x62/0x320
<4>[ 397.845884] suspend_devices_and_enter+0xa58/0xcf0
<4>[ 397.845889] pm_suspend+0x4f0/0x9d0
<4>[ 397.845892] state_store+0x82/0xf0
<4>[ 397.845897] kobj_attr_store+0xf/0x20
<4>[ 397.845900] sysfs_kf_write+0x45/0x60
<4>[ 397.845903] kernfs_fop_write+0x124/0x1c0
<4>[ 397.845907] __vfs_write+0x28/0x130
<4>[ 397.845909] ? rcu_read_lock_sched_held+0x7a/0x90
<4>[ 397.845911] ? rcu_sync_lockdep_assert+0x2f/0x60
<4>[ 397.845914] ? __sb_start_write+0x10c/0x200
<4>[ 397.845917] vfs_write+0xc8/0x1c0
<4>[ 397.845920] SyS_write+0x49/0xb0
<4>[ 397.845925] entry_SYSCALL_64_fastpath+0x1c/0xb1
<4>[ 397.845927] RIP: 0033:0x7fe584325290
<4>[ 397.845929] RSP: 002b:00007ffd9e24cae8 EFLAGS: 00000246 ORIG_RAX:
0000000000000001
<4>[ 397.845932] RAX: ffffffffffffffda RBX: ffffffff814920c3 RCX:
00007fe584325290
<4>[ 397.845933] RDX: 0000000000000004 RSI: 000000000217b060 RDI:
000000000000000a
<4>[ 397.845935] RBP: ffffc9000160bf88 R08: 0000000002178de0 R09:
00007fe5847fe700
<4>[ 397.845936] R10: 0000000000000003 R11: 0000000000000246 R12:
0000000002178d00
<4>[ 397.845937] R13: 0000000000000001 R14: 0000000000000004 R15:
0000000000000004
<4>[ 397.845941] ? __this_cpu_preempt_check+0x13/0x20
<4>[ 397.845948] unchecked MSR access error: WRMSR to 0x1b0 (tried to write
0x0000000000000006) at rIP: 0xffffffff8102f5ce
(init_intel_energy_perf.part.3+0x4e/0xb0)
<4>[ 397.845949] Call Trace:
<4>[ 397.845951] intel_bsp_resume+0x1a/0x20
<4>[ 397.845953] bsp_resume+0x1d/0x20
<4>[ 397.845955] syscore_resume+0x62/0x320
<4>[ 397.845958] suspend_devices_and_enter+0xa58/0xcf0
<4>[ 397.845963] pm_suspend+0x4f0/0x9d0
<4>[ 397.845966] state_store+0x82/0xf0
<4>[ 397.845969] kobj_attr_store+0xf/0x20
<4>[ 397.845972] sysfs_kf_write+0x45/0x60
<4>[ 397.845975] kernfs_fop_write+0x124/0x1c0
<4>[ 397.845978] __vfs_write+0x28/0x130
<4>[ 397.845980] ? rcu_read_lock_sched_held+0x7a/0x90
<4>[ 397.845981] ? rcu_sync_lockdep_assert+0x2f/0x60
<4>[ 397.845984] ? __sb_start_write+0x10c/0x200
<4>[ 397.845988] vfs_write+0xc8/0x1c0
<4>[ 397.845991] SyS_write+0x49/0xb0
<4>[ 397.845994] entry_SYSCALL_64_fastpath+0x1c/0xb1
<4>[ 397.845996] RIP: 0033:0x7fe584325290
<4>[ 397.845997] RSP: 002b:00007ffd9e24cae8 EFLAGS: 00000246 ORIG_RAX:
0000000000000001
<4>[ 397.846000] RAX: ffffffffffffffda RBX: ffffffff814920c3 RCX:
00007fe584325290
<4>[ 397.846001] RDX: 0000000000000004 RSI: 000000000217b060 RDI:
000000000000000a
<4>[ 397.846003] RBP: ffffc9000160bf88 R08: 0000000002178de0 R09:
00007fe5847fe700
<4>[ 397.846004] R10: 0000000000000003 R11: 0000000000000246 R12:
0000000002178d00
<4>[ 397.846006] R13: 0000000000000001 R14: 0000000000000004 R15:
0000000000000004
<4>[ 397.846009] ? __this_cpu_preempt_check+0x13/0x20
<6>[ 397.846357] Enabling non-boot CPUs ...</pre>
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