igt@perf_pmu@module-unload - incomplete - BUG: unable to handle page fault for address: ffffffffa0586a1d
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_639/fi-bsw-n3050/igt@perf_pmu@module-unload.html#dmesg-warnings878
<1> [122.381684] BUG: unable to handle page fault for address: ffffffffa0586a1d
<1> [122.381712] #PF: supervisor read access in kernel mode
<1> [122.381729] #PF: error_code(0x0000) - not-present page
<6> [122.381745] PGD 5612067 P4D 5612067 PUD 5613063 PMD 154dde067 PTE 0
<4> [122.381769] Oops: 0000 [#1] PREEMPT SMP PTI
<4> [122.381785] CPU: 0 PID: 993 Comm: systemd-udevd Not tainted 5.9.0-rc3-ga9f0150a8c09b-drmtip_639+ #1
<4> [122.381811] Hardware name: /NUC5CPYB, BIOS PYBSWCEL.86A.0058.2016.1102.1842 11/02/2016
<4> [122.381840] RIP: 0010:string_nocheck+0xf/0x60
<4> [122.381856] Code: 00 48 89 ef e8 c2 a8 00 00 4c 01 e3 e9 7a ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 48 89 c8 49 89 f1 48 c1 f8 30 66 85 c0 74 42 <44> 0f b6 02 45 84 c0 74 39 83 e8 01 4c 8d 54 07 01 b8 01 00 00 00
<4> [122.381903] RSP: 0018:ffffc9000055bcd0 EFLAGS: 00010286
<4> [122.381920] RAX: ffffffffffffffff RBX: ffff8881787dca1c RCX: ffff0a00ffffff04
<4> [122.381941] RDX: ffffffffa0586a1d RSI: ffff8881787dca1c RDI: ffff8881787dc223
<4> [122.381961] RBP: ffffffffa0586a1d R08: 0000000000000000 R09: ffff8881787dca1c
<4> [122.381982] R10: ffffc9000055bdd0 R11: ffffffff82384aed R12: ffff0a00ffffff04
<4> [122.382002] R13: 0000000000000800 R14: ffffc9000055bd58 R15: ffffffff82384af6
<4> [122.382023] FS: 00007f036bacc680(0000) GS:ffff88817bc00000(0000) knlGS:0000000000000000
<4> [122.382047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [122.382065] CR2: ffffffffa0586a1d CR3: 0000000162d68000 CR4: 00000000001006f0
<4> [122.382086] Call Trace:
<4> [122.382100] string+0x40/0x50
<4> [122.382116] vsnprintf+0x43b/0x4d0
<4> [122.382136] add_uevent_var+0x7d/0x110
<4> [122.382160] dev_uevent+0x68/0x2e0
<4> [122.382178] uevent_show+0xa0/0x100
<4> [122.382195] dev_attr_show+0x13/0x40
<4> [122.382211] sysfs_kf_seq_show+0xba/0x110
<4> [122.382230] seq_read+0xcb/0x420
<4> [122.382247] ? __do_sys_newfstat+0x3c/0x60
<4> [122.382265] vfs_read+0xb2/0x1c0
<4> [122.382280] ksys_read+0xa2/0xe0
<4> [122.382298] do_syscall_64+0x33/0x80
<4> [122.382314] entry_SYSCALL_64_after_hwframe+0x44/0xa9
<4> [122.382331] RIP: 0033:0x7f036b5e0081
<4> [122.382346] Code: fe ff ff 48 8d 3d 67 9c 0a 00 48 83 ec 08 e8 a6 4c 02 00 66 0f 1f 44 00 00 48 8d 05 81 08 2e 00 8b 00 85 c0 75 13 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 57 f3 c3 0f 1f 44 00 00 41 54 55 49 89 d4 53
<4> [122.382395] RSP: 002b:00007ffc06616728 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
<4> [122.382419] RAX: ffffffffffffffda RBX: 0000559b9f5963a0 RCX: 00007f036b5e0081
<4> [122.382440] RDX: 0000000000001000 RSI: 0000559b9f5d11c0 RDI: 0000000000000007
<4> [122.382460] RBP: 00007f036b8b82a0 R08: 0000000000000000 R09: 0000000000000000
<4> [122.382481] R10: 0000559b9f595010 R11: 0000000000000246 R12: 0000559b9f5d11c0
<4> [122.382502] R13: 0000000000001001 R14: 0000000000000d68 R15: 0000000000001001
<4> [122.382531] Modules linked in: i915 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio btusb snd_intel_dspcfg btrtl btbcm coretemp btintel crct10dif_pclmul snd_hda_codec crc32_pclmul bluetooth ghash_clmulni_intel snd_hwdep snd_hda_core ecdh_generic ecc lpc_ich r8169 snd_pcm realtek pinctrl_cherryview prime_numbers [last unloaded: snd_hda_intel]
<4> [122.382636] CR2: ffffffffa0586a1d
<4> [122.382651] ---[ end trace 9e84bfae83ee35dc ]---