<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [BSW/SKL]Piglit sporadically causes system hang" href="https://bugs.freedesktop.org/show_bug.cgi?id=90008#c7">Comment # 7</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [BSW/SKL]Piglit sporadically causes system hang" href="https://bugs.freedesktop.org/show_bug.cgi?id=90008">bug 90008</a> from <a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> lu hua</a> <pre>Created <a href="attachment.cgi?id=115908" name="attach_115908" title="dmesg(without kernel.printk="7417")">attachment 115908</a> <a href="attachment.cgi?id=115908&action=edit" title="dmesg(without kernel.printk="7417")">[details]</a> dmesg(without kernel.printk="7417") <a href="show_bug.cgi?id=90008#c6">comment 6</a>'s dmesg with "sysctl -w kernel.printk="7417"". Retest without "sysctl -w kernel.printk="7417"", call trace is clear. [ 761.617901] BUG: unable to handle kernel paging request at 00007f9ee1236008 [ 761.704932] IP: [<ffffffff817ade61>] error_entry+0x1/0x5b [ 761.773069] PGD 175b80067 PUD 0 [ 761.815214] Thread overran stack, or stack corrupted [ 761.878022] Oops: 0002 [#1] SMP [ 761.920190] Modules linked in: ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support serio_raw pcspkr i2c_i801 lpc_ich mfd_core snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 button[ 762.231906] gmain[4824]: segfault at a940 ip 000000000000a940 sp 00007fea30e81d80 error 14 in accounts-daemon[400000+26000] [ 762.376039] video drm_kms_helper drm [ 762.430270] CPU: 1 PID: 5360 Comm: python Not tainted 4.1.0-rc3_drm-intel-nightly_056608_20150519+ #410 [ 762.547037] task: ffff880178216240 ti: ffff88006ae40000 task.ti: ffff88006ae40000 [ 762.640897] RIP: 0010:[<ffffffff817ade61>] [<ffffffff817ade61>] error_entry+0x1/0x5b [ 762.739098] RSP: 0000:ffff88006ae43ef0 EFLAGS: 00010092 [ 762.806946] RAX: 0000000000000004 RBX: fa9af535ea216240 RCX: 0000000000000000 [ 762.896755] RDX: 00007f09f5cfc0c0 RSI: 00007f09f791a3b0 RDI: 00007f09fa4ee5e9 [ 762.986599] RBP: ec5ca7b044216240 R08: ffff880175474a80 R09: 00007f09e8022000 [ 763.076428] R10: ffff880178216620 R11: 9b96372c6f000000 R12: c490f629e7b55d88 [ 763.166257] R13: 9f4a419c87103000 R14: 286a50d5df040d87 R15: df02be047c216240 [ 763.256080] FS: 00007f09f5cfd700(0000) GS:ffff88017fc80000(0000) knlGS:0000000000000000 [ 763.357378] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 763.430585] CR2: 00007f9ee1236008 CR3: 00000001754bf000 CR4: 00000000001006e0 [ 763.520480] Stack: [ 763.548896] ffffffff817add1c 0000000000000000 ffff880178216240 ffffffff8103f557 [ 763.642527] ffff88017a411128 ffff88017a411128 0000000000000000 0000000001128fb0 [ 763.736242] 0000000001425ac0 00007f09f7cf3a70 f4e4bcc0d163fdd0 0d124f3036000000 [ 763.830004] Call Trace: [ 763.863917] [<ffffffff817add1c>] ? page_fault+0xc/0x30 [ 763.931234] [<ffffffff8103f557>] ? task_stopped_code+0x3a/0x3a [ 764.006943] [<ffffffff817ade61>] ? error_entry+0x1/0x5b [ 764.075405] [<ffffffff817add1c>] ? page_fault+0xc/0x30 [ 764.142824] Code: 4c 8b 44 24 48 48 [ 764.181178] PANIC: double fault, error_code: 0x0 [ 764.181186] CPU: 2 PID: 5373 Comm: ext_framebuffer Not tainted 4.1.0-rc3_drm-intel-nightly_056608_20150519+ #410 [ 764.181192] task: ffff880178866240 ti: ffff88006ae54000 task.ti: ffff88006ae54000 [ 764.181195] RIP: 0010:[<ffffffff817add17>] [<ffffffff817add17>] page_fault+0x7/0x30 [ 764.181208] RSP: 0000:ffff8800201fffd8 EFLAGS: 00010096 [ 764.181209] RAX: 00000000817ace77 RBX: 0000000000000001 RCX: ffffffff817ace77 [ 764.181212] RDX: 000000000000a940 RSI: 0000000000000000 RDI: ffff880020200098 [ 764.181213] RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000001 [ 764.181215] R10: 0000000000000034 R11: 0000000002104d60 R12: 00007f9ee8da2e10 [ 764.181218] R13: 00007f9ee8da0038 R14: 000000000000008e R15: 0000000000000000 [ 764.181220] FS: 00007f9ee8dc7780(0000) GS:ffff88017fd00000(0000) knlGS:0000000000000000 [ 764.181222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 764.181224] CR2: ffff8800201fffc8 CR3: 000000006e080000 CR4: 00000000001006e0 [ 764.181226] Stack: [ 765.382838] 8b 44 24 50 48 8b 4c 24 58 48 8b 54 24 60 48 8b 74 24 68 48 8b 7c 24 70 48 81 c4 80 00 00 00 e9 10 f0 ff ff fc <4c> 89 5c 24 38 4c 89 54 24 40 4c 89 4c 24 48 4c 89 44 24 50 48 [ 765.603067] RIP [<ffffffff817ade61>] error_entry+0x1/0x5b [ 765.674383] RSP <ffff88006ae43ef0> [ 765.721595] CR2: 00007f9ee1236008 [ 765.766899] BUG: unable to handle kernel paging request at 0000000000010092 [ 765.856096] IP: [<ffffffff81127340>] __d_lookup_rcu+0x65/0x123 [ 765.931681] PGD 1754bd067 PUD 179d7e067 PMD 0 [ 765.990816] Oops: 0000 [#2] SMP [ 766.035223] Modules linked in: ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support serio_raw pcspkr i2c_i801 lpc_ich mfd_core snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 766.390273] CPU: 1 PID: 5380 Comm: kworker/u8:1 Not tainted 4.1.0-rc3_drm-intel-nightly_056608_20150519+ #410 [ 766.515404] task: ffff8801782149b0 ti: ffff88006aec8000 task.ti: ffff88006aec8000 [ 766.611410] RIP: 0010:[<ffffffff81127340>] [<ffffffff81127340>] __d_lookup_rcu+0x65/0x123 [ 766.716978] RSP: 0018:ffff88006aecbb88 EFLAGS: 00010206 [ 766.786973] RAX: 0000000000000003 RBX: 0000000000010096 RCX: 000000000000000d [ 766.878871] RDX: 0000000000000000 RSI: ffff88006aecbd88 RDI: ffff880076938300 [ 766.970767] RBP: 000000000001008e R08: 8080808080808080 R09: fefefefefefefeff [ 767.062698] R10: 2f2f2f2f2f2f2f2f R11: ffff88006aecbc04 R12: 000000037797fe36 [ 767.154668] R13: ffff880002cc701d R14: ffff88006aecbd88 R15: ffff880076938300 [ 767.246650] FS: 0000000000000000(0000) GS:ffff88017fc80000(0000) knlGS:0000000000000000 [ 767.350164] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 767.425536] CR2: 0000000000010092 CR3: 00000001754bf000 CR4: 00000000001006e0</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>