Matt Reimer wrote: > On 7/13/07, John Baldwin <jhb_at_freebsd.org> wrote: >> On Tuesday 05 June 2007 05:22:38 pm Matt Reimer wrote: >> > Once a week or so we're seeing a panic with a -current kernel built >> > just before the gcc 4.2 import (maybe three weeks ago). The box has a >> > Supermicro X7DBE/X7DBE+ motherboard with two Xeon 5160s, 16G RAM, and >> > an Areca 1220 controller with eight 500G disks connected. >> > >> > Does this indicate that the arcmsr driver is at fault: >> > >> > Tracing command irq16: arcmsr0 pid 26 tid 100018 td 0xffffff040fc5b000 >> > cpustop_handler() at cpustop_handler+0x35 >> > ipi_nmi_handler() at ipi_nmi_handler+0x2e >> > trap() at trap+0x365 >> > nmi_calltrap() at nmi_calltrap+0x8 >> > --- trap 0x13, rip = 0xffffffff8041ab11, rsp = 0xffffffffab59eff0, rbp >> > = 0xffffffffac0a37d0 --- >> > siocnclose() at siocnclose+0x21 >> > sio_cnputc() at sio_cnputc+0x89 >> > cnputc() at cnputc+0x6a >> > putchar() at putchar+0x5f >> > kvprintf() at kvprintf+0xd45 >> > printf() at printf+0xe1 >> > panic() at panic+0x145 >> > xpt_done() at xpt_done+0x14a >> > arcmsr_interrupt() at arcmsr_interrupt+0x2df >> > ithread_loop() at ithread_loop+0x108 >> > fork_exit() at fork_exit+0xaa >> > fork_trampoline() at fork_trampoline+0xe >> > --- trap 0, rip = 0, rsp = 0xffffffffac0a3d30, rbp = 0 --- >> >> Looks like it has panic'd here: >> >> switch (done_ccb->ccb_h.path->periph->type) { >> case CAM_PERIPH_BIO: >> mtx_lock(&cam_bioq_lock); >> TAILQ_INSERT_TAIL(&cam_bioq, &done_ccb->ccb_h, >> sim_links.tqe); >> done_ccb->ccb_h.pinfo.index = CAM_DONEQ_INDEX; >> mtx_unlock(&cam_bioq_lock); >> swi_sched(cambio_ih, 0); >> break; >> default: >> panic("unknown periph type %d", >> done_ccb->ccb_h.path->periph->type); >> } >> >> which should seem to indicate that, yes, it is a driver bug. > > That code in -CURRENT looks a bit different (cam_simq_lock instead of > cam_bioq_lock, etc.). Is that relevant to your analysis? > > Matt The locking is different, but the problem is basically the same. Are you using 7-CURRENT or 6.x? ScottReceived on Fri Jul 13 2007 - 19:57:58 UTC
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