Bug#624129: problems with kernel/watchdog.c: always return NOTIFY_OK during cpu up/down events e.g. BUG: soft lockup - CPU#0 stuck for 63s!

2011-05-05 Thread Don Zickus
On Thu, May 05, 2011 at 01:41:08AM +0930, Arthur Marsh wrote: Hi, with kernel 2.6.39-rc5-git2 compiled for Pentium-II, compiled both plain from kernel.org and with that patch and command line: BOOT_IMAGE=/vmlinuz-2.6.39-rc5-git4 root=UUID=96c96a61-8615-4715-86d0-09cb8c62638c ro lapic

Bug#624129: problems with kernel/watchdog.c: always return NOTIFY_OK during cpu up/down events e.g. BUG: soft lockup - CPU#0 stuck for 63s!

2011-05-05 Thread Don Zickus
On Fri, May 06, 2011 at 01:25:35AM +0930, Arthur Marsh wrote: Don Zickus wrote, on 06/05/11 01:18: On Thu, May 05, 2011 at 01:41:08AM +0930, Arthur Marsh wrote: Hi, with kernel 2.6.39-rc5-git2 compiled for Pentium-II, compiled both plain from kernel.org and with that patch and command

Bug#624129: problems with kernel/watchdog.c: always return NOTIFY_OK during cpu up/down events e.g. BUG: soft lockup - CPU#0 stuck for 63s!

2011-05-03 Thread Don Zickus
On Tue, May 03, 2011 at 04:45:19AM +0930, Arthur Marsh wrote: Could you boot with nmi_watchdog=0 and when you get a shell prompt, run something like perf top OR perf record grep -r foo /* I am curious to know if this is lockup detector related or the perf subystem related. Cheers,

Bug#624129: problems with kernel/watchdog.c: always return NOTIFY_OK during cpu up/down events e.g. BUG: soft lockup - CPU#0 stuck for 63s!

2011-05-03 Thread Don Zickus
On Sat, Apr 30, 2011 at 01:06:07PM +0930, Arthur Marsh wrote: Yes, with plain 2.6.39-rc5-git2 I had problems with shutting down and with BUG: soft lockup - CPU#0 stuck for 63s! errors. After adding 'nmi_watchdog=0' I could cleanly shutdown and have not seen any more BUG: soft lockup -

Bug#624129: problems with kernel/watchdog.c: always return NOTIFY_OK during cpu up/down events e.g. BUG: soft lockup - CPU#0 stuck for 63s!

2011-05-02 Thread Don Zickus
On Sat, Apr 30, 2011 at 01:06:07PM +0930, Arthur Marsh wrote: Yes, with plain 2.6.39-rc5-git2 I had problems with shutting down and with BUG: soft lockup - CPU#0 stuck for 63s! errors. After adding 'nmi_watchdog=0' I could cleanly shutdown and have not seen any more BUG: soft lockup -

Bug#624129: problems with kernel/watchdog.c: always return NOTIFY_OK during cpu up/down events e.g. BUG: soft lockup - CPU#0 stuck for 63s!

2011-05-02 Thread Don Zickus
On Tue, May 03, 2011 at 12:49:55AM +0930, Arthur Marsh wrote: Don Zickus wrote, on 02/05/11 22:29: On Sat, Apr 30, 2011 at 01:06:07PM +0930, Arthur Marsh wrote: Yes, with plain 2.6.39-rc5-git2 I had problems with shutting down and with BUG: soft lockup - CPU#0 stuck for 63s! errors

Bug#624129: problems with kernel/watchdog.c: always return NOTIFY_OK during cpu up/down events e.g. BUG: soft lockup - CPU#0 stuck for 63s!

2011-04-29 Thread Don Zickus
On Sat, Apr 30, 2011 at 07:06:54AM +0930, Arthur Marsh wrote: Hi, I'd previously (2011-03-28) run into an issue with commit f99a99330f85a84c346ddeb4adc72dbfad9b9e3e kernel/watchdog.c: always return NOTIFY_OK during cpu up/down events but wasn't sure that this commit was the cause of a

Bug#599368: [PATCH v2] watchdog: Improve initialisation error message and documentation

2011-01-03 Thread Don Zickus
On Sun, Jan 02, 2011 at 11:02:42PM +, Ben Hutchings wrote: The error message 'NMI watchdog failed to create perf event...' does not make it clear that this is a fatal error for the watchdog. It also currently prints the error value as a pointer, rather than extracting the error code with