Public bug reported: itdept@toolbox:~$ lsb_release -rd Description: Ubuntu 12.04.2 LTS Release: 12.04
itdept@toolbox:/var/log$ apt-cache policy linux linux: Installed: (none) Candidate: 3.2.0.45.54 Version table: 3.2.0.45.54 0 500 http://us.archive.ubuntu.com/ubuntu/ precise-updates/main amd64 Packages 500 http://security.ubuntu.com/ubuntu/ precise-security/main amd64 Packages 3.2.0.23.25 0 500 http://us.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages itdept@toolbox:/var/log$ apt-cache policy linux-generic-lts-quantal linux-generic-lts-quantal: Installed: 3.5.0.32.39 Candidate: 3.5.0.32.39 Version table: *** 3.5.0.32.39 0 500 http://us.archive.ubuntu.com/ubuntu/ precise-updates/main amd64 Packages 500 http://security.ubuntu.com/ubuntu/ precise-security/main amd64 Packages 100 /var/lib/dpkg/status Following a clean install of 12.04 Server, I was experiencing seemingly random 'hard LOCKUP's on my machine. The computer would become unresponsive for several minutes at a time, and something like this would show up in dmesg: [1509353.540014] ------------[ cut here ]------------ [1509353.540014] WARNING: at /build/buildd/linux-lts-quantal-3.5.0/kernel/watchdog.c:242 watchdog_overflow_callback+0x9a/0xc0() [1509353.540014] Hardware name: [1509353.540014] Watchdog detected hard LOCKUP on cpu 1 [1509353.540014] Modules linked in: btrfs zlib_deflate libcrc32c ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs reiserfs radeon snd_hda_codec_realtek snd_hda_intel snd_hda_codec ttm snd_hwdep drm_kms_helper snd_pcm drm snd_timer snd ext2 soundcore i2c_algo_bit i2c_piix4 snd_page_alloc serio_raw shpchp microcode mac_hid ppdev parport_pc lp parport hid_generic usbhid 8139too hid 8139cp sata_sil pata_atiixp [1509353.540014] Pid: 21317, comm: kworker/1:0 Tainted: G W 3.5.0-30-generic #51~precise1-Ubuntu [1509353.540014] Call Trace: [1509353.540014] <NMI> [<ffffffff81052c8f>] warn_slowpath_common+0x7f/0xc0 [1509353.540014] [<ffffffff81052d86>] warn_slowpath_fmt+0x46/0x50 [1509353.540014] [<ffffffff810e1d2a>] watchdog_overflow_callback+0x9a/0xc0 [1509353.540014] [<ffffffff8111f79c>] __perf_event_overflow+0x9c/0x220 [1509353.540014] [<ffffffff8111c854>] ? perf_event_update_userpage+0x24/0x110 [1509353.540014] [<ffffffff8111fe84>] perf_event_overflow+0x14/0x20 [1509353.540014] [<ffffffff81027225>] p4_pmu_handle_irq+0x125/0x210 [1509353.540014] [<ffffffff8169e711>] perf_event_nmi_handler+0x21/0x30 [1509353.540014] [<ffffffff8169de51>] nmi_handle.isra.0+0x51/0x80 [1509353.540014] [<ffffffff8169df68>] default_do_nmi+0x58/0x240 [1509353.540014] [<ffffffff8169e1e0>] do_nmi+0x90/0xd0 [1509353.540014] [<ffffffff8169d47c>] end_repeat_nmi+0x1a/0x1e [1509353.540014] [<ffffffff8139a819>] ? acpi_os_write_port+0x1e/0x30 [1509353.540014] [<ffffffff8139a819>] ? acpi_os_write_port+0x1e/0x30 [1509353.540014] [<ffffffff8139a819>] ? acpi_os_write_port+0x1e/0x30 [1509353.540014] <<EOE>> [<ffffffff8153248d>] do_drv_write+0x2d/0x70 [1509353.540014] [<ffffffff81532721>] acpi_cpufreq_target+0x251/0x2a0 [1509353.540014] [<ffffffff8152b5a2>] __cpufreq_driver_target+0x42/0x50 [1509353.540014] [<ffffffff8152f68f>] dbs_check_cpu+0x28f/0x330 [1509353.540014] [<ffffffff8152f7d1>] do_dbs_timer+0xa1/0x110 [1509353.540014] [<ffffffff81071af7>] process_one_work+0x127/0x470 [1509353.540014] [<ffffffff81072d35>] worker_thread+0x165/0x370 [1509353.540014] [<ffffffff81072bd0>] ? manage_workers.isra.29+0x130/0x130 [1509353.540014] [<ffffffff81077cd3>] kthread+0x93/0xa0 [1509353.540014] [<ffffffff816a6524>] kernel_thread_helper+0x4/0x10 [1509353.540014] [<ffffffff81077c40>] ? flush_kthread_worker+0xb0/0xb0 [1509353.540014] [<ffffffff816a6520>] ? gs_change+0x13/0x13 [1509353.540014] ---[ end trace 31bbfa84b207ef07 ]--- Following installation of a BIOS update, the logged lockups are less frequent (twice in 20 days, as opposed to several times per day) and far more brief (haven't caught one in progress since, as opposed to being unable to do anything but wait for 5-10 minutes per occurrence) but are still occurring. ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Attachment added: "output of "ubuntu-bug linux"" https://bugs.launchpad.net/bugs/1189565/+attachment/3699994/+files/apport.linux-image-3.5.0-30-generic.PBCuIZ.apport -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1189565 Title: Random CPU hard locks on Intel D101GGC w/12.04 Server To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1189565/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs