Maketsi, thank you for reporting this and helping make Ubuntu better.
In order to allow additional upstream developers to examine the issue, at your
earliest convenience, could you please test the latest upstream kernel
available from http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D ? Please
keep in mind the following:
1) The one to test is at the very top line at the top of the page (not the
daily folder).
2) The release names are irrelevant.
3) The folder time stamps aren't indicative of when the kernel actually was
released upstream.
4) Install instructions are available at
https://wiki.ubuntu.com/Kernel/MainlineBuilds .
If testing on your main install would be inconvenient, one may:
1) Install Ubuntu to a different partition and then test this there.
2) Backup, or clone the primary install.
If the latest kernel did not allow you to test to the issue (ex. you couldn't
boot into the OS) please make a comment in your report about this, and continue
to test the next most recent kernel version until you can test to the issue.
Once you've tested the upstream kernel, please comment on which kernel version
specifically you tested. If this issue is fixed in the mainline kernel, please
add the following tags by clicking on the yellow circle with a black pencil
icon, next to the word Tags, located at the bottom of the report description:
kernel-fixed-upstream
kernel-fixed-upstream-X.Y-rcZ
Where X, and Y are the first two numbers of the kernel version, and Z is
the release candidate number if it exists.
If the mainline kernel does not fix the issue, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-X.Y-rcZ
Please note, an error to install the kernel does not fit the criteria of
kernel-bug-exists-upstream.
Also, you don't need to apport-collect further unless specifically
requested to do so.
Once testing of the latest upstream kernel is complete, please mark this
report Status Confirmed. Please let us know your results.
Thank you for your understanding.
** Tags added: bios-outdated-1.37
** Changed in: xorg (Ubuntu)
Status: Confirmed => Incomplete
** Package changed: xorg (Ubuntu) => linux (Ubuntu)
--
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1560476
Title:
intel drm stack dumps on dmesg + freezes
Status in linux package in Ubuntu:
Incomplete
Bug description:
These DRM warnings started to appear on dmesg after moving from Ubuntu
14.04 LTS to 15.10. I can't notice anything on X usage when the
messages appear, but the system has recently freezed twice when
shutting down a VM running on Vmware workstation 11.1.3. That's why I
started to monitor the logs. No syslog messages were written about the
crash itself, except for some binary garbage. Laptop is hooked to a
docking station, with two external DP monitors.
Latest trace from syslog, 2 hours before the crash, is printed below.
Mar 22 09:00:25 gepardi kernel: [91894.923293] [ cut here
]
Mar 22 09:00:25 gepardi kernel: [91894.923329] WARNING: CPU: 1 PID: 958 at
/build/linux-_Kv5oI/linux
-4.2.0/drivers/gpu/drm/i915/intel_display.c:12306
check_crtc_state+0x3b3/0x440 [i915]()
Mar 22 09:00:25 gepardi kernel: [91894.923330] crtc's computed enabled state
doesn't match tracked e
nabled state (expected 0, found 1)
Mar 22 09:00:25 gepardi kernel: [91894.923372] Modules linked in: nls_utf8
btrfs xor raid6_pq ufs qn
x4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c cpuid vmnet(OE)
vmw_vsock_vmci_transport vsock vmw
_vmci vmmon(OE) rfcomm bnep arc4 intel_rapl x86_pkg_temp_thermal
intel_powerclamp coretemp hp_wmi sp
arse_keymap iwlmvm kvm_intel kvm mac80211 snd_hda_codec_hdmi joydev
snd_usb_audio serio_raw snd_hda_
codec_idt snd_hda_codec_generic iwlwifi btusb snd_usbmidi_lib rtsx_pci_ms
snd_seq_midi btrtl snd_hda
_intel btbcm memstick snd_seq_midi_event snd_hda_codec cfg80211 btintel
snd_rawmidi snd_seq snd_hda_
core lpc_ich bluetooth snd_hwdep input_leds snd_seq_device shpchp snd_pcm
mei_me mei snd_timer snd s
oundcore hp_accel lis3lv02d input_polldev 8250_fintek tpm_infineon mac_hid
hp_wireless parport_pc pp
dev lp parport autofs4 jitterentropy_rng drbg ansi_cprng algif_skcipher
af_alg dm_crypt hid_generic
usbhid hid rtsx_pci_sdmmc crct10dif_pclmul crc32_pclmul aesni_intel
aes_x86_64 lrw gf128mul glue_hel
per ablk_helper cryptd i915 psmouse e1000e ahci i2c_algo_bit libahci
drm_kms_helper ptp rtsx_pci pps
_core drm wmi video
Mar 22 09:00:25 gepardi kernel: [91894.923389] CPU: 1 PID: 958 Comm: Xorg
Tainted: GW OE
4.2.0-34-generic #39-Ubuntu
Mar 22 09:00:25 gepardi kernel: [91894.923390] Hardware name: Hewlett-Packard
HP EliteBook 840 G1/19
8F, BIOS L71 Ver. 01.35 01/26/2016
Mar 22 09:00:25 gepardi kernel: [91894.923393]
9a37d6b5 880097b133d8 f
