Trying to boot into Ubuntu, lightdm crashes and I can't get to the UI login screen. I'm running Ubuntu 12.04 kernel version 3.2.0-24 (or 3.2.0-25) on a MacBookPro 8.2. The last version that worked is 3.2.0-23. dmesg shows the following (hopefully relevant) info: [ 7.472336] type=1400 audit(1336165354.283:7): apparmor="STATUS" operation="profile_load" name="/usr/lib/lightdm/lightdm/lightdm-guest-session-wrapper" pid=865 comm="apparmor_parser" [ 7.472434] type=1400 audit(1336165354.283:8): apparmor="STATUS" operation="profile_load" name="/usr/sbin/tcpdump" pid=872 comm="apparmor_parser" [ 7.472504] type=1400 audit(1336165354.283:9): apparmor="STATUS" operation="profile_replace" name="/sbin/dhclient" pid=866 comm="apparmor_parser" [ 7.473227] type=1400 audit(1336165354.283:10): apparmor="STATUS" operation="profile_replace" name="/usr/lib/cups/backend/cups-pdf" pid=870 comm="apparmor_parser" [ 7.490284] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht' [ 7.490297] usbcore: registered new interface driver bcm5974 [ 7.490962] Broadcom 43xx driver loaded [ Features: PNL ] [ 7.497433] input: FaceTime HD Camera (Built-in) as /devices/pci0000:00/0000:00:1a.7/usb1/1-2/1-2:1.0/input/input9 [ 7.535990] applesmc: key=441 fan=2 temp=29 acc=1 lux=2 kbd=1 [ 7.552684] input: applesmc as /devices/platform/applesmc.768/input/input10 [ 7.558308] usbcore: registered new interface driver uvcvideo [ 7.558310] USB Video Class driver (1.1.1) [ 7.558371] Registered led device: smc::kbd_backlight [ 7.621128] snd_hda_intel 0000:00:1b.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22 [ 7.621168] snd_hda_intel 0000:00:1b.0: irq 52 for MSI/MSI-X [ 7.621193] snd_hda_intel 0000:00:1b.0: setting latency timer to 64 [ 7.658417] usb 1-1.1.2: USB disconnect, device number 7 [ 7.675427] input: HDA Intel PCH SPDIF In as /devices/pci0000:00/0000:00:1b.0/sound/card0/input11 [ 7.793998] input: HDA Intel PCH Line as /devices/pci0000:00/0000:00:1b.0/sound/card0/input12 [ 7.794095] input: HDA Intel PCH Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input13 [ 7.794416] snd_hda_intel 0000:01:00.1: PCI INT B -> GSI 17 (level, low) -> IRQ 17 [ 7.794472] snd_hda_intel 0000:01:00.1: irq 53 for MSI/MSI-X [ 7.794552] snd_hda_intel 0000:01:00.1: setting latency timer to 64 [ 7.825759] b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07) [ 7.890344] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 7.890526] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 7.944798] HDMI status: Codec=0 Pin=3 Presence_Detect=0 ELD_Valid=0 [ 7.944867] input: HD-Audio Generic HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input14 [ 8.058060] vesafb: mode is 1400x1050x32, linelength=5632, pages=0 [ 8.058062] vesafb: scrolling: redraw [ 8.058065] vesafb: Truecolor: size=0:8:8:8, shift=0:16:8:0 [ 8.063670] vesafb: framebuffer at 0x90000000, mapped to 0xf8e00000, using 5824k, total 5824k [ 8.063809] Console: switching to colour frame buffer device 175x65 [ 8.063836] fb0: VESA VGA frame buffer device [ 8.481300] BUG: unable to handle kernel paging request at 265fa1a0 [ 8.481303] IP: [] firegl_stub_open+0x9a/0x1c0 [fglrx] [ 8.481327] *pde = 00000000 [ 8.481328] Oops: 0002 [#1] SMP [ 8.481330] Modules linked in: vesafb snd_hda_codec_hdmi snd_hda_codec_cirrus joydev snd_hda_intel snd_hda_codec snd_seq_midi arc4 snd_hwdep snd_rawmidi snd_seq_midi_event snd_seq snd_pcm snd_seq_device b43 fglrx(P) mac80211 snd_timer apple_gmux cfg80211 snd uvcvideo ssb videodev bcm5974 applesmc soundcore btusb bcma snd_page_alloc input_polldev video mac_hid mei(C) apple_bl rfcomm bnep bluetooth parport_pc ppdev binfmt_misc coretemp lp parport hid_apple firewire_ohci firewire_core sdhci_pci crc_itu_t sdhci usbhid tg3 hid [ 8.481352] [ 8.481354] Pid: 1186, comm: Xorg Tainted: P C O 3.2.0-24-generic #37-Ubuntu Apple Inc. MacBookPro8,2/Mac-94245A3940C91C80 [ 8.481357] EIP: 0060:[] EFLAGS: 00013293 CPU: 3 [ 8.481372] EIP is at firegl_stub_open+0x9a/0x1c0 [fglrx] [ 8.481373] EAX: 00000000 EBX: 00000000 ECX: f8b6b160 EDX: f31571a0 [ 8.481375] ESI: f69a8750 EDI: f2379b40 EBP: f10dbde0 ESP: f10dbdac [ 8.481376] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 8.481377] Process Xorg (pid: 1186, ti=f10da000 task=f16925e0 task.ti=f10da000) [ 8.481378] Stack: [ 8.481379] 0000000f 00000000 f8a2c0f8 000002c5 00000000 f8a37d3a f3c39000 c1136060 [ 8.481383] f1495b80 f8a57520 00000000 c19adebc 00000000 f10dbe10 c11368d5 f69a8750 [ 8.481387] f2379b40 f69a8750 f69a8750 f8b6b160 f1495b80 00000000 f2379b40 00000000 [ 8.481391] Call Trace: [ 8.481395] [] ? mount_fs+0x180/0x180 [ 8.481397] [] chrdev_open+0xb5/0x1e0 [ 8.481399] [] __dentry_open+0x25e/0x310 [ 8.481401] [] ? cdev_put+0x20/0x20 [ 8.481403] [] vfs_open+0x3a/0x50 [ 8.481405] [] nameidata_to_filp+0x39/0x40 [ 8.481407] [] do_last+0x367/0x660 [ 8.481410] [] path_openat+0xa4/0x350 [ 8.481413] [] ? shmem_setattr+0x67/0x170 [ 8.481415] [] do_filp_open+0x31/0x80 [ 8.481417] [] ? strncpy_from_user+0x38/0x70 [ 8.481420] [] ? alloc_fd+0xa3/0xe0 [ 8.481422] [] do_sys_open+0xe1/0x1f0 [ 8.481424] [] ? mntput+0x18/0x30 [ 8.481426] [] sys_open+0x2e/0x40 [ 8.481429] [] syscall_call+0x7/0xb [ 8.481432] [] ? encode+0x26/0x2b [ 8.481433] Code: 90 89 d8 c1 e0 04 8b 90 a4 f9 b6 f8 85 d2 74 db 8b 4f 10 89 4d f0 8b 0a 85 c9 74 22 83 39 02 0f 84 d8 00 00 00 8b 91 70 01 00 00 <64> ff 02 8b 15 48 a4 82 c1 85 d2 75 7a 8b 90 a4 f9 b6 f8 89 57 [ 8.481454] EIP: [] firegl_stub_open+0x9a/0x1c0 [fglrx] SS:ESP 0068:f10dbdac [ 8.481470] CR2: 00000000265fa1a0 [ 8.481471] ---[ end trace a6d45e515b0231af ]--- [ 8.604319] init: lightdm main process (1110) terminated with status 1 [ 10.534611] tg3 0000:02:00.0: eth0: Link is up at 1000 Mbps, full duplex [ 10.534643] tg3 0000:02:00.0: eth0: Flow control is on for TX and on for RX [ 10.534671] tg3 0000:02:00.0: eth0: EEE is disabled [ 10.534813] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 21.358548] eth0: no IPv6 routers present [ 23.681924] init: failsafe-x main process (1229) terminated with status 1 Any ideas?

Ubuntulightdm package

History of question #203348

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lightdm package