Public bug reported: I get the following error message during boot (this is the output from dmesg, but the same output is printed to the console):
[ 10.687739] BUG: unable to handle kernel NULL pointer dereference at (null) [ 10.687813] IP: [<(null)>] (null) [ 10.687846] PGD 0 [ 10.687869] Oops: 0010 [#1] SMP [ 10.687896] last sysfs file: /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.6/1-1.6:1.3/bInterfaceClass [ 10.687932] CPU 2 [ 10.687943] Modules linked in: parport_pc ppdev snd_hda_codec_nvhdmi joydev binfmt_misc snd_hda_codec_realtek rfcomm arc4 iwlagn snd_hda_intel snd_seq_midi sco snd_hda_codec snd_rawmidi snd_seq_midi_event bnep uvcvideo qcserial snd_hwdep usb_wwan snd_seq snd_pcm l2cap snd_seq_device iwlcore videodev snd_timer v4l1_compat v4l2_compat_ioctl32 btusb mac80211 snd bluetooth usbserial soundcore snd_page_alloc sony_laptop cfg80211 psmouse serio_raw intel_ips lp parport uvesafb firewire_ohci ahci firewire_core crc_itu_t libahci video nouveau ttm drm_kms_helper drm atl1c sdhci_pci intel_agp output i2c_algo_bit sdhci led_class [ 10.688425] [ 10.688436] Pid: 999, comm: ips-adjust Not tainted 2.6.35-23-generic #40-Ubuntu VAIO/VPCS11J7E [ 10.688468] RIP: 0010:[<0000000000000000>] [<(null)>] (null) [ 10.688494] RSP: 0018:ffff8801b217de78 EFLAGS: 00010202 [ 10.688515] RAX: 0000000000000286 RBX: ffff8801af8026c0 RCX: 0000000000000064 [ 10.688542] RDX: 000000000000ffff RSI: 0000000000000286 RDI: 0000000000000286 [ 10.688569] RBP: ffff8801b217dee0 R08: 0000000000000000 R09: 00000000ffffffff [ 10.688595] R10: 00000000ffffffff R11: 0000000000000001 R12: ffff8801af802700 [ 10.688621] R13: 0000000000000000 R14: 0000000000002328 R15: 0000000000000000 [ 10.688648] FS: 0000000000000000(0000) GS:ffff880001e80000(0000) knlGS:0000000000000000 [ 10.688677] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 10.688699] CR2: 0000000000000000 CR3: 0000000001a2a000 CR4: 00000000000006e0 [ 10.688726] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 10.688752] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 10.688779] Process ips-adjust (pid: 999, threadinfo ffff8801b217c000, task ffff8801b45096e0) [ 10.688809] Stack: [ 10.688819] ffffffffa008fc03 ffff8801b217dfd8 ffff8801b217deac ffff8801b466db80 [ 10.688859] <0> ffff880100001688 0000000000000286 ffff8801b3f55be8 ffff8801b217dee0 [ 10.688907] <0> ffff8801b3f55bc8 ffff8801b217def8 ffffffffa008f8c0 ffff8801af8026c0 [ 10.688959] Call Trace: [ 10.688976] [<ffffffffa008fc03>] ? ips_adjust+0x343/0x490 [intel_ips] [ 10.689003] [<ffffffffa008f8c0>] ? ips_adjust+0x0/0x490 [intel_ips] [ 10.689031] [<ffffffff8107f0c6>] kthread+0x96/0xa0 [ 10.689054] [<ffffffff8100aee4>] kernel_thread_helper+0x4/0x10 [ 10.689077] [<ffffffff8107f030>] ? kthread+0x0/0xa0 [ 10.689098] [<ffffffff8100aee0>] ? kernel_thread_helper+0x0/0x10 [ 10.689121] Code: Bad RIP value. [ 10.689146] RIP [<(null)>] (null) [ 10.689166] RSP <ffff8801b217de78> [ 10.689180] CR2: 0000000000000000 [ 10.689204] ---[ end trace b5df1e090cda5ec9 ]--- [ 15.190391] eth0: no IPv6 routers present This happens on Ubuntu 10.10, kernel 2.6.35-23-generic ** Affects: linux (Ubuntu) Importance: Undecided Status: New -- unable to handle kernel NULL pointer dereference at (null) https://bugs.launchpad.net/bugs/681380 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs