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Bug#660016: marked as done (i915: [855GM] crashes when external VGA output enabled while VLC is starting)

Your message dated Sun, 07 Feb 2016 22:43:09 +0000
with message-id <E1aSY2v-0006Hz-3d@deadeye>
and subject line Closing bugs assigned to linux-2.6 package
has caused the Debian Bug report #660016,
regarding i915: [855GM] crashes when external VGA output enabled while VLC is starting
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
660016: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=660016
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: linux-image-2.6.32-5-686
Version: 2.6.32-15
Severity: important

I ran into this on a freshly installed Thinkpad X40 with todays
Debian/Squeeze.  The external VGA connector is connected to a video
projector.  I plugged in a USB DVD player, installed libdvdcss2 and
tried to play the DVD using vlc.  This caused X to lock up and the
kernel to report a crash.

Searching for "Hangcheck timer elapsed... GPU hung" on bugs.debian.org
using Google, sent me to similar bugs, but not for this model.  Some
bugs are <URL: http://bugs.debian.org/551803 >,
<URL: http://bugs.debian.org/573264 >,
<URL: http://bugs.debian.org/574478 > and
<URL: http://bugs.debian.org/576848 >.  The last one point to a kernel
patch available from
<URL: https://bugs.freedesktop.org/show_bug.cgi?id=27187 > that is said
to fix a cache coherency issue.  I have not tested it myself.

Before the crash, the VGA output would flicker a lot whenever the
machine was doing anything (like I moved the mouse or installed a
package), and the image would only stand still when I did not move the
mouse.  This seem similar to the bug report
<URL: http://bugs.debian.org/570696 >, but I am not sure if it is the
same one.

[250593.916039] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
[250593.916058] render error detected, EIR: 0x00000000
[250593.916090] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -5 (awaiting 114368 at 114367)
[250593.975787] ------------[ cut here ]------------
[250593.975797] kernel BUG at /build/buildd-linux-2.6_2.6.32-15-i386-fb7Hfg/linux-2.6-2.6.32/debian/build/source_i386_none/drivers/gpu/drm/i915/intel_display.c:1917!
[250593.975804] invalid opcode: 0000 [#1] SMP
[250593.975809] last sysfs file: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:00/PNP0C09:00/PNP0C0A:00/power_supply/BAT0/energy_full
[250593.975814] Modules linked in: isofs udf crc_itu_t nfs lockd fscache nfs_acl auth_rpcgss sunrpc acpi_cpufreq cpufreq_conservative cpufreq_powersave cpufreq_userspace cpufreq_stats ppdev lp parport rfcomm sco bridge stp bnep l2cap crc16 bluetooth binfmt_misc uinput fuse sg sr_mod cdrom loop snd_intel8x0 snd_intel8x0m snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm pcmcia snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq yenta_socket ipw2200 rsrc_nonstatic snd_timer i915 libipw snd_seq_device pcmcia_core lib80211 drm_kms_helper pl2303 snd thinkpad_acpi drm tpm_tis usb_storage usbserial i2c_i801 rfkill shpchp nsc_ircc i2c_algo_bit tpm tpm_bios evdev battery irda crc_ccitt psmouse serio_raw pcspkr nvram ac soundcore snd_page_alloc i2c_core rng_core video pci_hotplug button output processor ext3 jbd mbcache dm_mod sd_mod crc_t10dif ata_generic uhci_hcd sdhci_pci sdhci ata_piix mmc_core thermal libata ehci_hcd led_class e1000 thermal_sys scsi_mod usbcore nls_base [last unloaded: scsi_wait_scan]
[250593.975926]
[250593.975931] Pid: 24769, comm: Xorg Not tainted (2.6.32-5-686 #1) 2371H4G
[250593.975935] EIP: 0060:[<f8423647>] EFLAGS: 00013282 CPU: 0
[250593.975958] EIP is at intel_crtc_dpms_overlay+0x31/0x42 [i915]
[250593.975962] EAX: fffffffb EBX: ef65d180 ECX: 00000000 EDX: 0001bec0
[250593.975966] ESI: ef668000 EDI: 00006014 EBP: 00070180 ESP: c9c93c5c
[250593.975970]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[250593.975975] Process Xorg (pid: 24769, ti=c9c92000 task=eff4aec0 task.ti=c9c92000)
[250593.975979] Stack:
[250593.975981]  00000000 f8425325 ef5a0000 f6f4e400 00000000 00070184 00070008 f6f4e400
[250593.975989] <0> ef5a0000 00000003 00000000 f84228e9 ef5a0000 f8434100 f6f4e6ec f84354a4
[250593.975998] <0> f837272f f6f4e6e0 c9c93d74 e2a55900 00000002 f6f4e5ac f8373a50 00000000
[250593.976007] Call Trace:
[250593.976007]  [<f8425325>] ? i9xx_crtc_dpms+0x181/0x264 [i915]
[250593.976007]  [<f84228e9>] ? intel_crtc_dpms+0x1c/0xb5 [i915]
[250593.976007]  [<f837272f>] ? drm_helper_disable_unused_functions+0x104/0x130 [drm_kms_helper]
[250593.976007]  [<f8373a50>] ? drm_crtc_helper_set_config+0x544/0x6b5 [drm_kms_helper]
[250593.976007]  [<c109b51d>] ? unmap_mapping_range+0x7b/0x1f9
[250593.976007]  [<c10c23ec>] ? destroy_inode+0x1c/0x2b
[250593.976007]  [<c10bfb93>] ? d_kill+0x3e/0x43
[250593.976007]  [<c10bfb93>] ? d_kill+0x3e/0x43
[250593.976007]  [<c10ae5c0>] ? kmem_cache_free+0x78/0xaf
[250593.976007]  [<c10c1100>] ? d_alloc_name+0x41/0x4c
[250593.976007]  [<f82c78ca>] ? drm_framebuffer_cleanup+0x4a/0xa7 [drm]
[250593.976007]  [<f842492f>] ? intel_user_framebuffer_destroy+0x1f/0x4a [i915]
[250593.976007]  [<f82c733c>] ? drm_fb_release+0x4c/0x65 [drm]
[250593.976007]  [<f82c0dcf>] ? drm_release+0x2c2/0x4c5 [drm]
[250593.976007]  [<c10b4207>] ? __fput+0xd5/0x170
[250593.976007]  [<c10b18dc>] ? filp_close+0x4e/0x54
[250593.976007]  [<c103252c>] ? put_files_struct+0x60/0xa6
[250593.976007]  [<c1033b87>] ? do_exit+0x1d4/0x5c6
[250593.976007]  [<c1033fd8>] ? do_group_exit+0x5f/0x82
[250593.976007]  [<c103e926>] ? get_signal_to_deliver+0x30d/0x32f
[250593.976007]  [<c103d19d>] ? signal_wake_up+0x23/0x31
[250593.976007]  [<c1002588>] ? do_notify_resume+0x6f/0x713
[250593.976007]  [<c103d56c>] ? do_send_sig_info+0x4f/0x59
[250593.976007]  [<c103d5c9>] ? do_send_specific+0x53/0x6e
[250593.976007]  [<c10b2e76>] ? fsnotify_modify+0x5a/0x61
[250593.976007]  [<c103bf9a>] ? recalc_sigpending+0xf/0x2e
[250593.976007]  [<c103c2b2>] ? sigprocmask+0x9d/0xbc
[250593.976007]  [<c103c57c>] ? sys_rt_sigprocmask+0x47/0xb5
[250593.976007]  [<c103c57c>] ? sys_rt_sigprocmask+0x47/0xb5
[250593.976007]  [<c10032b4>] ? work_notifysig+0x13/0x1b
[250593.976007] Code: 98 58 04 00 00 85 db 74 31 8b 03 83 c0 14 e8 92 9c e4 c8 89 d8 e8 fc c9 00 00 85 c0 74 11 31 d2 89 d8 e8 75 c8 00 00 85 c0 74 e8 <0f> 0b eb fe 8b 03 5b 83 c0 14 e9 55 9a e4 c8 5b c3 57 89 d7 56
[250593.976007] EIP: [<f8423647>] intel_crtc_dpms_overlay+0x31/0x42 [i915] SS:ESP 0068:c9c93c5c
[250593.976364] ---[ end trace bd6ec22bc4b9abff ]---
[250593.976367] Fixing recursive fault but reboot is needed!


This was with xserver-xorg version 1:7.5+6 and
xserver-xorg-video-intel version 2:2.9.1-4.

As this is my video playing machine, I'll reinstall it with Lenny soon
to get my DVD player back, but thought it best to report the problem
before I reverted the machine into a working condition.  Is there
anything I should test before I do this?

This is the output from 'lspci -nn':

00:00.0 Host bridge [0600]: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller [8086:3580] (rev 02)
00:00.1 System peripheral [0880]: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller [8086:3584] (rev 02)
00:00.3 System peripheral [0880]: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller [8086:3585] (rev 02)
00:02.0 VGA compatible controller [0300]: Intel Corporation 82852/855GM Integrated Graphics Device [8086:3582] (rev 02)
00:02.1 Display controller [0380]: Intel Corporation 82852/855GM Integrated Graphics Device [8086:3582] (rev 02)
00:1d.0 USB Controller [0c03]: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1 [8086:24c2] (rev 01)
00:1d.1 USB Controller [0c03]: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2 [8086:24c4] (rev 01)
00:1d.2 USB Controller [0c03]: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3 [8086:24c7] (rev 01)
00:1d.7 USB Controller [0c03]: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI Controller [8086:24cd] (rev 01)
00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev 81)
00:1f.0 ISA bridge [0601]: Intel Corporation 82801DBM (ICH4-M) LPC Interface Bridge [8086:24cc] (rev 01)
00:1f.1 IDE interface [0101]: Intel Corporation 82801DBM (ICH4-M) IDE Controller [8086:24ca] (rev 01)
00:1f.3 SMBus [0c05]: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) SMBus Controller [8086:24c3] (rev 01)
00:1f.5 Multimedia audio controller [0401]: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller [8086:24c5] (rev 01)
00:1f.6 Modem [0703]: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Modem Controller [8086:24c6] (rev 01)
02:00.0 CardBus bridge [0607]: Ricoh Co Ltd RL5c476 II [1180:0476] (rev 8d)
02:00.1 SD Host controller [0805]: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter [1180:0822] (rev 13)
02:01.0 Ethernet controller [0200]: Intel Corporation 82541GI Gigabit Ethernet Controller [8086:1077]
02:02.0 Network controller [0280]: Intel Corporation PRO/Wireless 2200BG [Calexico2] Network Connection [8086:4220] (rev 05)

Happy hacking,
-- 
Petter Reinholdtsen

--- End Message ---
--- Begin Message --- 
Version: 3.4.1-1~experimental.1+rm

Debian 6.0 Long Term Support has now ended, and the 'linux-2.6' source
package will no longer be updated.  This bug is being closed on the
assumption that it does not affect the kernel versions in newer Debian
releases.

If you can still reproduce this bug in a newer release, please reopen
the bug report and reassign it to 'src:linux' and the affected version
of the package.  You can find the package version for the running
kernel by running:

    uname -v

or the versions of all installed kernel packages by running:

    dpkg -l 'linux-image-[34]*' | grep ^.i

and looking at the third column.

I apologise that we weren't able to provide a specific resolution for
this bug.

Ben.

-- 
Ben Hutchings - Debian developer, member of Linux kernel and LTS teams

--- End Message ---
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