Steve Kargl wrote: > On Mon, Jul 25, 2011 at 01:00:27PM +0300, Andriy Gapon wrote: > > on 12/07/2011 11:05 Andriy Gapon said the following: > > > I think that the best thing you can further provide (as objective > > > evidence for > > > the problem at hand) is ktr(4) traces for at least KTR_SCHED mask. > > > Perhaps you > > > even already have them from your previous sessions with Jeff. > > > > > > P.S. This is not a promise to actually debug this issue based on > > > the traces :-) > > > > So do you have an opportunity to provide this kind of information? > > Actually I would like KTR_SCHED|KTR_INTR|KTR_PROC|KTR_SYSC mask. > > Also, sysctl kern.sched output would be useful too. > > This is for the ULE case, of course. > > > > I won't have time until next week to investigate. > hrs sent me this panic. I'm wondering if it might be relevant to this? spin lock 0xffffffff80cb52c0 (sched lock 1) held by 0xffffff0012c7f8c0 (tid 100317) too long panic: spin lock held too long cpuid = 0 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a kdb_backtrace() at kdb_backtrace+0x37 panic() at panic+0x187 _mtx_lock_spin_failed() at _mtx_lock_spin_failed+0x39 _mtx_lock_spin() at _mtx_lock_spin+0x9e sched_add() at sched_add+0x117 setrunnable() at setrunnable+0x78 sleepq_signal() at sleepq_signal+0x7a cv_signal() at cv_signal+0x3b xprt_active() at xprt_active+0xe3 svc_vc_soupcall() at svc_vc_soupcall+0xc sowakeup() at sowakeup+0x69 tcp_do_segment() at tcp_do_segment+0x2cbd tcp_input() at tcp_input+0xcdd ip_input() at ip_input+0xac netisr_dispatch_src() at netisr_dispatch_src+0x7e ether_demux() at ether_demux+0x14d ether_input() at ether_input+0x17d em_rxeof() at em_rxeof+0x1ca em_handle_que() at em_handle_que+0x5b taskqueue_run_locked() at taskqueue_run_locked+0x85 taskqueue_thread_loop() at taskqueue_thread_loop+0x4e fork_exit() at fork_exit+0x11f fork_trampoline() at fork_trampoline+0xe --- trap 0, rip = 0, rsp = 0xffffff8000160d00, rbp = 0 --- KDB: enter: panic [thread pid 0 tid 100033 ] Stopped at kdb_enter+0x3b: movq $0,0x6b4e62(%rip) db> psReceived on Mon Jul 25 2011 - 19:44:05 UTC
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