Konstantin Nazarov, this bug was reported a while ago and there hasn't been any activity in it recently. We were wondering if this is still an issue? If so, could you please test for this with the latest development release of Ubuntu? ISO images are available from http://cdimage.ubuntu.com/daily-live/current/ .
If it remains an issue, could you please run the following command in the development release from a Terminal (Applications->Accessories->Terminal), as it will automatically gather and attach updated debug information to this report: apport-collect -p linux REPLACE-WITH-BUG-NUMBER If reproducible, could you also please test the latest upstream kernel available (not the daily folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags: kernel-fixed-upstream kernel-fixed-upstream-VERSION-NUMBER where VERSION-NUMBER is the version number of the kernel you tested. For example: kernel-fixed-upstream-v3.13-rc7 This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag: needs-upstream-testing If the mainline kernel does not fix this bug, please add the following tags: kernel-bug-exists-upstream kernel-bug-exists-upstream-VERSION-NUMBER As well, please remove the tag: needs-upstream-testing Once testing of the upstream kernel is complete, please mark this bug's Status as Confirmed. Please let us know your results. Thank you for your understanding. ** Package changed: xserver-xorg-video-intel (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Importance: Undecided => Low ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1183089 Title: xorg freezes on macbook air unplugging thunderbolt display Status in “linux” package in Ubuntu: Incomplete Bug description: Xorg hangs on macbook air mid 2012 when the external thunderbolt display is being unplugged. Also, when I try to boot without the external display, the OS hangs immediately on the kernel boot splash. If I then plug the display in again, the OS unfreezes and continues to run just fine. The lockup is hard, so machine becomes unaccessible via the network. Started to happen after a month or so of running Ubuntu. OSX is not susceptible to any of the mentioned problems. Clearing NVRAM and applying latest firmware updates doesn't help. This is what I see in dmesg: [ 12.330919] ------------[ cut here ]------------ [ 12.330950] WARNING: at /build/buildd/linux-3.8.0/drivers/gpu/drm/i915/intel_display.c:5377 ironlake_crtc_mode_set+0x88a/0x8b0 [i915]() [ 12.330952] Hardware name: MacBookAir5,2 [ 12.330953] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_cirrus pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) parport_pc(F) bnep ppd ev(F) hid_generic btusb rfcomm bluetooth snd_hda_intel snd_hda_codec snd_hwdep(F) snd_pcm(F) hid_apple joydev(F) snd_page_alloc(F) coretemp binfmt_misc(F) kvm_ intel snd_seq_midi(F) arc4(F) kvm snd_seq_midi_event(F) brcmsmac uvcvideo videobuf2_vmalloc videobuf2_memops ghash_clmulni_intel(F) usbhid videobuf2_core bcm59 74 cordic(F) usb_storage(F) brcmutil hid snd_rawmidi(F) nls_iso8859_1(F) snd_seq(F) aesni_intel(F) videodev aes_x86_64(F) xts(F) lrw(F) gf128mul(F) ablk_helper (F) cryptd(F) mac80211 cfg80211 i915 snd_seq_device(F) snd_timer(F) drm_kms_helper apple_bl drm video(F) i2c_algo_bit applesmc lpc_ich mac_hid snd(F) input_pol ldev soundcore(F) bcma mei lp(F) microcode(F) parport(F) ahci(F) libahci(F) [ 12.330999] Pid: 1191, comm: Xorg Tainted: GF O 3.8.0-21-generic #32-Ubuntu [ 12.331000] Call Trace: [ 12.331008] [<ffffffff810587ef>] warn_slowpath_common+0x7f/0xc0 [ 12.331010] [<ffffffff8105884a>] warn_slowpath_null+0x1a/0x20 [ 12.331024] [<ffffffffa015409a>] ironlake_crtc_mode_set+0x88a/0x8b0 [i915] [ 12.331039] [<ffffffffa015861b>] intel_set_mode+0x63b/0xa30 [i915] [ 12.331053] [<ffffffffa0159126>] intel_crtc_set_config+0x716/0x950 [i915] [ 12.331068] [<ffffffffa00d6c11>] drm_mode_setcrtc+0x121/0x5a0 [drm] [ 12.331079] [<ffffffffa00c7559>] drm_ioctl+0x4e9/0x5b0 [drm] [ 12.331093] [<ffffffffa00d6af0>] ? drm_mode_setplane+0x370/0x370 [drm] [ 12.331098] [<ffffffff811a5969>] do_vfs_ioctl+0x99/0x570 [ 12.331101] [<ffffffff811a5ed1>] sys_ioctl+0x91/0xb0 [ 12.331105] [<ffffffff816d37dd>] system_call_fastpath+0x1a/0x1f [ 12.331108] ---[ end trace 917b1961459e15ea ]--- Looks like some modesetting bug. The same happens on fresh installations of both 12.10 and 13.04 and even when I boot from live CD/USB. Additional information: ---------------------------------------------------------------------- knazarov:~/ $ sudo lshw -C display [0:32:29] [sudo] password for knazarov: *-display description: VGA compatible controller product: 3rd Gen Core processor Graphics Controller vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 09 width: 64 bits clock: 33MHz capabilities: msi pm vga_controller bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:46 memory:a0000000-a03fffff memory:90000000-9fffffff ioport:2000(size=64) ---------------------------------------------------------------------- knazarov:~/ $ lsb_release -a [0:37:47] No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 13.04 Release: 13.04 Codename: raring ---------------------------------------------------------------------- knazarov:~/ $ uname -a [0:37:51] Linux kn 3.8.0-21-generic #32-Ubuntu SMP Tue May 14 22:16:46 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1183089/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
