Messages in this thread | | | Date | Sat, 6 Feb 2010 15:46:50 +0100 (CET) | From | Thomas Gleixner <> | Subject | Re: clocksource mutex deadlock, cat current_clocksource (2.6.33-rc6) |
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On Sat, 6 Feb 2010, Andreas Mohr wrote: > echo t > /proc/sysrq-trigger shows (full output on request):
At least the state of "kwatchdog" would be interesting.
> cat D 00000000 0 19361 2959 0x00000000 > de215ef8 00000046 00000000 00000000 c13b0294 dd45c380 dd45c5fc df9c6ef0 > de215f28 de215f08 c13b0260 00000202 de215f28 c124fcae dd45c380 c13b0280 > c13b0280 c13b0280 dd45c380 de215f08 ffffffff d9de1000 c13b0338 df9c6ef0 > Call Trace: > [<c124fcae>] mutex_lock_nested+0x157/0x23d > [<c104873e>] sysfs_show_current_clocksources+0x17/0x41 > > INFO: lockdep is turned off.
Why is lockdep turned off ?
Thanks,
tglx
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