On Fri, 2013-06-07 at 13:36 +0200, Sebastian Andrzej Siewior wrote: > On 06/07/2013 01:17 PM, Mike Galbraith wrote: > > On Fri, 2013-06-07 at 11:03 +0200, Sebastian Andrzej Siewior wrote: > > > >> The "panic" says "Oops" so your karnel most likely hit a NULL pointer. > >> The completion you say is missing might run into the NULL pointer > >> problem. Any way to get the backtrace from the oops? > > > > The oops is just me poking sysrq-c to crash the box. > > Ach. This does not make any easier then. Yeah, it didn't repeat before DVD download finally finished (after mere three _weeks_). The below fired during the same boot as the last hang, but far earlier fwiw. [10288.045302] ------------[ cut here ]------------ [10288.045330] WARNING: at kernel/workqueue.c:1575 worker_enter_idle+0xea/0x130() [10288.045345] Hardware name: SATELLITE T130 [10288.045357] Modules linked in: fuse nfsd lockd nfs_acl auth_rpcgss sunrpc rfcomm bnep edd ipv6 cpufreq_conservative cpufreq_ondemand cpufreq_userspace cpufreq_powersave dm_mod arc4 rtl8192se rtlwifi mac80211 snd_hda_codec_hdmi snd_hda_codec_conexant btusb bluetooth snd_hda_intel snd_hda_codec snd_hwdep cfg80211 snd_pcm_oss snd_pcm snd_seq acpi_cpufreq snd_timer mperf snd_seq_device snd_mixer_oss coretemp snd iTCO_wdt iTCO_vendor_support toshiba_acpi sparse_keymap sg microcode joydev soundcore lpc_ich rfkill toshiba_bluetooth serio_raw atl1c i2c_i801 snd_page_alloc mfd_core wmi ehci_pci ac battery ext4 mbcache jbd2 crc16 hid_generic usbhid hid sd_mod i915 crc_t10dif rtc_cmos uhci_hcd drm_kms_helper ehci_hcd drm i2c_algo_bit button usbcore usb_common video ahci libahci libata scsi_mod fan processor [10288.045425] thermal [10288.045426] [10288.045514] Pid: 5371, comm: kworker/0:0 Not tainted 3.8.11-rt8-smp #35 [10288.045528] Call Trace: [10288.045546] [<ffffffff8103dbef>] warn_slowpath_common+0x7f/0xc0 [10288.045550] [<ffffffff8103dc4a>] warn_slowpath_null+0x1a/0x20 [10288.045552] [<ffffffff8105b2da>] worker_enter_idle+0xea/0x130 [10288.045556] [<ffffffff8105ec78>] worker_thread+0x268/0x3f0 [10288.045559] [<ffffffff8105ea10>] ? rescuer_thread+0x2b0/0x2b0 [10288.045563] [<ffffffff81064332>] kthread+0xb2/0xc0 [10288.045567] [<ffffffff81040000>] ? console_unlock.part.11+0x170/0x320 [10288.045571] [<ffffffff81064280>] ? flush_kthread_worker+0xb0/0xb0 [10288.045576] [<ffffffff8144511c>] ret_from_fork+0x7c/0xb0 [10288.045579] [<ffffffff81064280>] ? flush_kthread_worker+0xb0/0xb0 [10288.045582] ---[ end trace 0000000000000002 ]--- 1567 /* 1568 * Sanity check nr_running. Because gcwq_unbind_fn() releases 1569 * gcwq->lock between setting %WORKER_UNBOUND and zapping 1570 * nr_running, the warning may trigger spuriously. Check iff 1571 * unbind is not in progress. 1572 */ 1573 WARN_ON_ONCE(!(gcwq->flags & GCWQ_DISASSOCIATED) && 1574 pool->nr_workers == pool->nr_idle && 1575 atomic_read(get_pool_nr_running(pool))); 1576 } -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
