Messages in this thread | | | Date | Thu, 28 Jun 2007 22:10:44 +0400 | From | Oleg Nesterov <> | Subject | Re: 2.6.22-rc6 spurious hangs |
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On 06/28, Thomas Sattler wrote: > > Here is the logfile.
> Jun 28 18:26:03 pearl ERR!! events/0 flush hang: f573759c f573759c 5782 5782 0 1 > Jun 28 18:26:03 pearl CURR: 5557 5557 dvbd 0 129024 > Jun 28 18:26:03 pearl wq_barrier_func+0x0/0xd > Jun 28 18:26:03 pearl cache_reap+0x0/0xe3 > Jun 28 18:26:03 pearl ---- > Jun 28 18:26:03 pearl cinergyt2_query_rc+0x0/0x2e9 [cinergyT2] > ... > Jun 28 19:23:03 pearl ERR!! events/0 flush hang: f573759c f573759c 5782 5782 1 1 > Jun 28 19:23:03 pearl CURR: 5557 5557 dvbd 0 129138 > Jun 28 19:23:03 pearl wq_barrier_func+0x0/0xd > Jun 28 19:23:03 pearl cache_reap+0x0/0xe3 > Jun 28 19:23:03 pearl console_callback+0x0/0xca > Jun 28 19:23:03 pearl flush_to_ldisc+0x0/0xf7 > Jun 28 19:23:03 pearl rekey_seq_generator+0x0/0x4e > Jun 28 19:23:03 pearl ---- > Jun 28 19:23:03 pearl cinergyt2_query_rc+0x0/0x2e9 [cinergyT2]
cinergyt2_query_rc() hangs. I'll try to look tomorrov, but I know nothing about drivers/media/dvb/.
This log is strange, flush_work() should report every 30 seconds, but it looks like wait_for_completion_timeout(HZ * 30) returns a lot earlier.
Could you also show the result of sysrq-T ?
Thanks!
Oleg.
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