We really do appreciate you opening this ticket to help improve
Mythbuntu, but it needs to be closed for a number of reasons. The
biggest one is that upstream has moved on to a new version and believes
this to be fixed. Could you please verify if this issue still exists in
the latest version?
Please do not let the closing of this ticket dissuade you from opening a
new ticket if this (or any other) problem occurs with the newer
versions.
** Changed in: mythbuntu
Status: New => Expired
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https://bugs.launchpad.net/bugs/1019828
Title:
BUG: soft lockup - CPU#0 stuck for 28s! [ksoftirqd/0:3]
Status in Mythbuntu, Ubuntu derivative focused upon MythTV:
Expired
Bug description:
This problem started one minute after the leap second was inserted. A
reboot cleared the issue. I thought this issue had been fixed a while
back.
uname -a: Linux myth1204 3.2.0-26-generic #40-Ubuntu SMP Wed May 23
20:30:51 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
kern.log
=======
Jun 30 17:59:59 myth1204 kernel: [139461.320299] Clock: inserting leap second
23:59:60 UTC
Jun 30 18:01:01 myth1204 kernel: [139523.736001] BUG: soft lockup - CPU#0
stuck for 28s! [ksoftirqd/0:3]
Jun 30 18:01:01 myth1204 kernel: [139523.736001] Modules linked in: udf
crc_itu_t cx18_alsa mxl5005s s5h1409 tuner_simple tuner_types cs5345 tda9887
tda8290 tuner snd_hda_codec_via snd_hda_intel snd_hda_codec snd_hwdep snd_pcm
snd_seq_midi snd_rawmidi snd_seq_midi_event cx18 dvb_core snd_seq cx2341x
videobuf_vmalloc videobuf_core tveeprom v4l2_common videodev psmouse i915
drm_kms_helper drm snd_timer i2c_algo_bit v4l2_compat_ioctl32 mac_hid
asus_atk0110 snd_seq_device video snd soundcore snd_page_alloc lp serio_raw
parport e1000e
Jun 30 18:01:01 myth1204 kernel: [139523.736001] Pid: 3, comm: ksoftirqd/0
Not tainted 3.2.0-26-generic #41-Ubuntu
Jun 30 18:01:01 myth1204 kernel: [139523.736001] Call Trace:
Jun 30 18:01:01 myth1204 kernel: [139523.736001] [<ffffffff810d7e78>]
watchdog_timer_fn+0x178/0x180
Jun 30 18:01:01 myth1204 kernel: [139523.736001] [<ffffffff8108ed18>]
__run_hrtimer+0x78/0x1f0
Jun 30 18:01:01 myth1204 kernel: [139523.736001] [<ffffffff810d7d00>] ?
__touch_watchdog+0x30/0x30
Jun 30 18:01:01 myth1204 kernel: [139523.736001] [<ffffffff8101a779>] ?
read_tsc+0x9/0x20
Jun 30 18:01:01 myth1204 kernel: [139523.736001] [<ffffffff8108f5a3>]
hrtimer_interrupt+0xe3/0x200
Jun 30 18:01:01 myth1204 kernel: [139523.736001] [<ffffffff8108f6eb>]
__hrtimer_peek_ahead_timers.part.26+0x2b/0x30
Jun 30 18:01:01 myth1204 kernel: [139523.736001] [<ffffffff8108f735>]
hrtimer_peek_ahead_timers+0x45/0x50
Jun 30 18:01:01 myth1204 kernel: [139523.736001] [<ffffffff8108f74e>]
run_hrtimer_softirq+0xe/0x10
Jun 30 18:01:01 myth1204 kernel: [139523.736001] [<ffffffff8106ea58>]
__do_softirq+0xa8/0x210
Jun 30 18:01:01 myth1204 kernel: [139523.736001] [<ffffffff8106ec7a>]
run_ksoftirqd+0xba/0x170
Jun 30 18:01:01 myth1204 kernel: [139523.736001] [<ffffffff8106ebc0>] ?
__do_softirq+0x210/0x210
Jun 30 18:01:01 myth1204 kernel: [139523.736001] [<ffffffff8108a59c>]
kthread+0x8c/0xa0
Jun 30 18:01:01 myth1204 kernel: [139523.736001] [<ffffffff81664134>]
kernel_thread_helper+0x4/0x10
Jun 30 18:01:01 myth1204 kernel: [139523.736001] [<ffffffff8108a510>] ?
flush_kthread_worker+0xa0/0xa0
Jun 30 18:01:01 myth1204 kernel: [139523.736001] [<ffffffff81664130>] ?
gs_change+0x13/0x13
========
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