Date: Fri, 10 Sep 2010 20:30:14 +0300 From: Andriy Gapon <avg@icyb.net.ua> To: a.smith@ukgrid.net Cc: freebsd-fs@freebsd.org, Alexander Motin <mav@freebsd.org> Subject: Re: ZFS related kernel panic Message-ID: <4C8A6B26.8050305@icyb.net.ua> In-Reply-To: <20100910173912.205969tzhjiovf8c@webmail2.ukgrid.net> References: <20100909140000.5744370gkyqv4eo0@webmail2.ukgrid.net> <20100909182318.11133lqu4q4u1mw4@webmail2.ukgrid.net> <4C89D6A8.1080107@icyb.net.ua> <20100910143900.20382xl5bl6oo9as@webmail2.ukgrid.net> <20100910141127.GA13056@icarus.home.lan> <20100910155510.11831w104qjpyc4g@webmail2.ukgrid.net> <20100910152544.GA14636@icarus.home.lan> <20100910173912.205969tzhjiovf8c@webmail2.ukgrid.net>
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on 10/09/2010 19:39 a.smith@ukgrid.net said the following: > Quoting Jeremy Chadwick <freebsd@jdc.parodius.com>: > >> When the panic happens, you will be dropped to a db> prompt at the >> console. You should type "trace" to get a backtrace at that point. >> > > ok, I have successfully got to the db> prompt, here is the output of trace: > > > Tracing pid 12 tid 100024 td 0xffffff0001667000 > siis_end_transaction() at siis_end_transaction+0x45 > siis_ch_intr() at siis_ch_intr+0x70 > siis_ch_intr_locked() at siis_ch_intr_locked+0x3e > siis_intr() at siis_intr+0x61 > intr_event_exectute_handlers() at intr_event_execute_handlers+0xfd > ithread_loop() at fork_exit+0x118 > fork_exit() at fork_exit+0x118 > fork_trampoline() at fork_trampoline+0xe > --- trap 0, rip = 0, rsp = 0xffffff80000a5d30, rbp = 0 --- That's useful information I think. For completeness you might also run kgdb and then do: (kgdb) info line *siis_end_transaction+0x45 and so on for all stack trace lines involving siis. Thanks. -- Andriy Gapon
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