Date: Wed, 17 Aug 2011 14:26:16 -0400 From: Mike Tancsa <mike@sentex.net> To: Hiroki Sato <hrs@FreeBSD.org> Cc: kostikbel@gmail.com, freebsd-stable@FreeBSD.org, avg@FreeBSD.org Subject: Re: panic: spin lock held too long (RELENG_8 from today) Message-ID: <4E4C07C8.9090909@sentex.net> In-Reply-To: <20110818.023832.373949045518579359.hrs@allbsd.org> References: <20110707082027.GX48734@deviant.kiev.zoral.com.ua> <4E159959.2070401@sentex.net> <4E15A08C.6090407@sentex.net> <20110818.023832.373949045518579359.hrs@allbsd.org>
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On 8/17/2011 1:38 PM, Hiroki Sato wrote: > Any progress on the investigation? Unfortunately, I cannot reproduce it yet with a debugging kernel :( ---Mike > > -- > spin lock 0xffffffff80cb46c0 (sched lock 0) held by 0xffffff01900458c0 (tid 100489) too long > panic: spin lock held too long > cpuid = 1 > 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+0x25e7 > 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 > -- > > -- Hiroki -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/
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