Attachment 133559 Details for Bug 100727 – t440_oops

t440_oops

intel_oops (text/plain), 4.16 KB, created by carbenium on 2017-08-16 22:31:02 UTC

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Creator: carbenium

Created: 2017-08-16 22:31:02 UTC

Size: 4.16 KB

patch

obsolete

> 9141 Aug 16 23:58:00 wolf kernel: [  997.556884] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
> 9142 Aug 16 23:58:00 wolf kernel: [  997.556940] IP: drm_dp_get_mst_branch_device+0x58/0xe0 [drm_kms_helper]
> 9143 Aug 16 23:58:00 wolf kernel: [  997.556957] PGD 0
> 9144 Aug 16 23:58:00 wolf kernel: [  997.556957] P4D 0
> 9145 Aug 16 23:58:00 wolf kernel: [  997.556963]
> 9146 Aug 16 23:58:00 wolf kernel: [  997.556975] Oops: 0000 [#1] SMP
> 9147 Aug 16 23:58:00 wolf kernel: [  997.556984] Modules linked in: cmac algif_hash rfcomm md4 nls_utf8 cifs ccm fscache xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack libcr
> 9148 Aug 16 23:58:00 wolf kernel: [  997.557162]  thinkpad_acpi snd_seq_midi ecdh_generic snd_seq_midi_event nvram snd_hda_intel cfg80211 rtsx_pci_ms snd_hda_codec lpc_ich memstick snd_hda_core snd_rawmidi snd_hwdep mei_me snd_pcm snd_seq mei shpchp ie31200_edac snd_seq_device snd
> 9149 Aug 16 23:58:00 wolf kernel: [  997.557329] CPU: 1 PID: 230 Comm: kworker/u16:5 Not tainted 4.12.4-041204-generic #201707271932
> 9150 Aug 16 23:58:00 wolf kernel: [  997.557350] Hardware name: LENOVO 20AWS37C00/20AWS37C00, BIOS GLET83WW (2.37 ) 03/31/2016
> 9151 Aug 16 23:58:00 wolf kernel: [  997.557394] Workqueue: i915-dp i915_digport_work_func [i915]
> 9152 Aug 16 23:58:00 wolf kernel: [  997.557409] task: ffff8acae24dda00 task.stack: ffffaa31821d8000
> 9153 Aug 16 23:58:00 wolf kernel: [  997.557426] RIP: 0010:drm_dp_get_mst_branch_device+0x58/0xe0 [drm_kms_helper]
> 9154 Aug 16 23:58:00 wolf kernel: [  997.557444] RSP: 0018:ffffaa31821dbcc0 EFLAGS: 00010202
> 9155 Aug 16 23:58:00 wolf kernel: [  997.557457] RAX: 0000000000000000 RBX: ffff8acaeb4489a0 RCX: 0000000000000004
> 9156 Aug 16 23:58:00 wolf kernel: [  997.557474] RDX: ffff8acaeb4489b0 RSI: 0000000000000000 RDI: 0000000000000002
> 9157 Aug 16 23:58:00 wolf kernel: [  997.557492] RBP: ffffaa31821dbce0 R08: 0000000000000018 R09: 0000000000000002
> 9158 Aug 16 23:58:00 wolf kernel: [  997.557509] R10: ffffaa31821dbc98 R11: 000000010002a96d R12: 0000000000000000
> 9159 Aug 16 23:58:00 wolf kernel: [  997.557526] R13: ffff8acaeb448848 R14: 0000000000000003 R15: ffff8acaeb448100
> 9160 Aug 16 23:58:00 wolf kernel: [  997.557544] FS:  0000000000000000(0000) GS:ffff8acafe240000(0000) knlGS:0000000000000000
> 9161 Aug 16 23:58:00 wolf kernel: [  997.557563] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> 9162 Aug 16 23:58:00 wolf kernel: [  997.557577] CR2: 0000000000000018 CR3: 0000000135c09000 CR4: 00000000001406e0
> 9163 Aug 16 23:58:00 wolf kernel: [  997.557595] Call Trace:
> 9164 Aug 16 23:58:00 wolf kernel: [  997.557606]  drm_dp_mst_hpd_irq+0xd5/0x8a0 [drm_kms_helper]
> 9165 Aug 16 23:58:00 wolf kernel: [  997.557635]  intel_dp_check_mst_status+0x127/0x1f0 [i915]
> 9166 Aug 16 23:58:00 wolf kernel: [  997.557661]  ? intel_dp_check_mst_status+0x127/0x1f0 [i915]
> 9167 Aug 16 23:58:00 wolf kernel: [  997.557687]  intel_dp_hpd_pulse+0x19f/0x310 [i915]
> 9168 Aug 16 23:58:00 wolf kernel: [  997.557712]  i915_digport_work_func+0x95/0x110 [i915]
> 9169 Aug 16 23:58:00 wolf kernel: [  997.557730]  process_one_work+0x1e9/0x410
> 9170 Aug 16 23:58:00 wolf kernel: [  997.557743]  worker_thread+0x4b/0x410
> 9171 Aug 16 23:58:00 wolf kernel: [  997.557755]  kthread+0x109/0x140
> 9172 Aug 16 23:58:00 wolf kernel: [  997.557766]  ? process_one_work+0x410/0x410
> 9173 Aug 16 23:58:00 wolf kernel: [  997.557780]  ? kthread_create_on_node+0x70/0x70
> 9174 Aug 16 23:58:00 wolf kernel: [  997.557794]  ? kthread_create_on_node+0x70/0x70
> 9175 Aug 16 23:58:00 wolf kernel: [  997.557809]  ret_from_fork+0x25/0x30
> 9176 Aug 16 23:58:00 wolf kernel: [  997.557820] Code: 8d 4e ff 4d 8b a4 24 e0 02 00 00 45 85 c9 7e 60 31 c0 b9 04 00 00 00 89 c6 4d 8d 44 24 18 d1 fe 48 63 f6 41 0f b6 7c 35 00 d3 ff <49> 8b 4c 24 18 83 e7 0f 49 39 c8 48 8d 71 f0 75 0f eb 1e 48 8b
> 9177 Aug 16 23:58:00 wolf kernel: [  997.557889] RIP: drm_dp_get_mst_branch_device+0x58/0xe0 [drm_kms_helper] RSP: ffffaa31821dbcc0
> 9178 Aug 16 23:58:00 wolf kernel: [  997.557913] CR2: 0000000000000018
> 9179 Aug 16 23:58:00 wolf kernel: [  997.570407] ---[ end trace f220a29d90d857d0 ]---
>

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Attachments on bug 100727: 130927 | 130928 | 133559 | 133562 | 133563 | 138472

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