linux-kernel - [LKP] [drm/i915] WARNING: CPU: 0 PID: 279 at drivers/gpu/drm/i915/i915_irq.c:139 ironlake_enable_display

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <53D85E28.5090207@intel.com>
Date:	Wed, 30 Jul 2014 10:53:28 +0800
From:	Aaron Lu <aaron.lu@...el.com>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>
CC:	Daniel Vetter <daniel.vetter@...ll.ch>,
	LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [LKP] [drm/i915] WARNING: CPU: 0 PID: 279 at drivers/gpu/drm/i915/i915_irq.c:139
 ironlake_enable_display_irq+0x73/0x80 [i915]()

FYI, we noticed the below changes on

git://anongit.freedesktop.org/drm-intel drm-intel-nightly
commit 95f25beddba2ec9510b249740bacc11eca70cf75 ("drm/i915: set pm._irqs_disabled at IRQ init time")

+-----------------+------------+------------+
|                 | 9df7575f1c | 95f25beddb |
+-----------------+------------+------------+
| boot_successes  | 10         | 10         |
| early-boot-hang | 1          | 1          |
+-----------------+------------+------------+


[    9.786203] [drm] Driver supports precise vblank timestamp query.
[    9.789138] ------------[ cut here ]------------
[    9.789256] sound hdaudioC0D0: CX20585: BIOS auto-probing.
[    9.793042] WARNING: CPU: 0 PID: 279 at drivers/gpu/drm/i915/i915_irq.c:139 ironlake_enable_display_irq+0x73/0x80 [i915]()
[    9.798771] Modules linked in: snd_hda_codec_conexant snd_hda_codec_generic mxm_wmi uvcvideo videobuf2_vmalloc snd_hda_intel videobuf2_memops videobuf2_core snd_hda_controller i915(+) thinkpad_acpi ahci libahci v4l2_common rfkill libata snd_hda_codec i2c_i801 intel_ips pcspkr videodev snd_hwdep parport_pc parport snd_pcm wmi video drm_kms_helper firewire_ohci sdhci_pci snd_timer drm firewire_core sdhci snd mmc_core crc_itu_t soundcore acpi_cpufreq
[    9.816837] CPU: 0 PID: 279 Comm: modprobe Not tainted 3.16.0-rc4-00248-g95f25be #1
[    9.820415] Hardware name: LENOVO 25222AU/25222AU, BIOS 6IET52WW (1.12 ) 02/16/2010
[    9.824147]  0000000000000009 ffff8800764d78e0 ffffffff8182b6d0 0000000000000000
[    9.827051]  ffff8800764d7918 ffffffff8106d0dd ffff8800751a0000 ffff8800751a7128
[    9.830515]  0000000000000246 ffff8800751a0000 ffff8800751a0000 ffff8800764d7928
[    9.834143] Call Trace:
[    9.834810]  [<ffffffff8182b6d0>] dump_stack+0x4d/0x66
[    9.837063]  [<ffffffff8106d0dd>] warn_slowpath_common+0x7d/0xa0
[    9.840260]  [<ffffffff8106d1ba>] warn_slowpath_null+0x1a/0x20
[    9.842652]  [<ffffffffa02368b3>] ironlake_enable_display_irq+0x73/0x80 [i915]
[    9.846297]  [<ffffffffa023712f>] ironlake_irq_postinstall+0x17f/0x1a0 [i915]
[    9.848889]  [<ffffffffa007e7be>] drm_irq_install+0xbe/0x1a0 [drm]
[    9.852250]  [<ffffffffa02947e7>] i915_driver_load+0xb07/0xfe0 [i915]
[    9.854700]  [<ffffffff813de338>] ? kobject_uevent_env+0x178/0x690
[    9.858031]  [<ffffffff814df1e7>] ? get_device+0x17/0x30
[    9.860260]  [<ffffffff814e4875>] ? klist_class_dev_get+0x15/0x20
[    9.862695]  [<ffffffff8181943a>] ? klist_add_tail+0x3a/0x40
[    9.864983]  [<ffffffff814e0919>] ? device_add+0x1f9/0x610
[    9.868158]  [<ffffffffa0085176>] ? drm_sysfs_device_add+0xd6/0x120 [drm]
[    9.870803]  [<ffffffffa008178d>] drm_dev_register+0xad/0x100 [drm]
[    9.874087]  [<ffffffffa008426f>] drm_get_pci_dev+0x8f/0x1f0 [drm]
[    9.876668]  [<ffffffffa020656b>] i915_pci_probe+0x3b/0x60 [i915]
[    9.878943]  [<ffffffff81412c25>] local_pci_probe+0x45/0xa0
[    9.882127]  [<ffffffff81413db5>] ? pci_match_device+0xe5/0x110
[    9.884484]  [<ffffffff81413ef1>] pci_device_probe+0xd1/0x130
[    9.886890]  [<ffffffff814e39b0>] driver_probe_device+0x90/0x3c0
[    9.890116]  [<ffffffff814e3db3>] __driver_attach+0x93/0xa0
[    9.892403]  [<ffffffff814e3d20>] ? __device_attach+0x40/0x40
[    9.894742]  [<ffffffff814e1a33>] bus_for_each_dev+0x63/0xa0
[    9.897181]  [<ffffffff814e344e>] driver_attach+0x1e/0x20
[    9.900186]  [<ffffffff814e3060>] bus_add_driver+0x180/0x250
[    9.902501]  [<ffffffff814e4584>] driver_register+0x64/0xf0
[    9.904764]  [<ffffffff814125bc>] __pci_register_driver+0x4c/0x50
[    9.907231]  [<ffffffffa00844da>] drm_pci_init+0x10a/0x140 [drm]
[    9.910490]  [<ffffffffa032f000>] ? 0xffffffffa032efff
[    9.912670]  [<ffffffffa032f089>] i915_init+0x89/0x90 [i915]
[    9.914982]  [<ffffffff8100212c>] do_one_initcall+0xbc/0x1f0
[    9.918170]  [<ffffffff811a9c35>] ? kfree+0x125/0x160
[    9.920323]  [<ffffffff8118fea2>] ? __vunmap+0xb2/0x100
[    9.922551]  [<ffffffff810ec9bc>] load_module+0x15fc/0x1a30
[    9.924791]  [<ffffffff810e8550>] ? store_uevent+0x40/0x40
[    9.927186]  [<ffffffff8119025c>] ? __vmalloc_node_range+0xbc/0x270
[    9.930423]  [<ffffffff810eceb1>] SyS_init_module+0xc1/0x110
[    9.932804]  [<ffffffff81834529>] system_call_fastpath+0x16/0x1b
[    9.935141] ---[ end trace 9f30e6a0a363e9e6 ]---
[    9.937387] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem



Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.

Thanks,
Aaron

View attachment "reproduce" of type "text/plain" (293 bytes)

View attachment "dmesg" of type "text/plain" (201237 bytes)