Date: Wed, 18 Jul 2012 07:00:23 -0700 From: Matthew Jacob <mj@feral.com> To: freebsd-scsi@freebsd.org Subject: Re: dev/isp panic (was Re: CAM Target Layer and dev/isp) Message-ID: <5006C177.2090009@feral.com> In-Reply-To: <CC2C2ECB.32BF5%trent@snakebite.org> References: <CC2C2ECB.32BF5%trent@snakebite.org>
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-------------- db> bt Tracing pid 12 tid 100062 td 0xfffffe001c00f470 acpi_timer_get_timecount() at 0xffffffff803ccfc6 = acpi_timer_get_timecount+0x16 DELAY() at 0xffffffff80ce68c3 = DELAY+0x83 ns8250_putc() at 0xffffffff807a17ba = ns8250_putc+0x9a uart_cnputc() at 0xffffffff807a3b85 = uart_cnputc+0x75 cnputc() at 0xffffffff808e9cbc = cnputc+0x4c cnputs() at 0xffffffff808ea0f5 = cnputs+0x35 putbuf() at 0xffffffff8097400c = putbuf+0xac kvprintf() at 0xffffffff80972643 = kvprintf+0x83 vprintf() at 0xffffffff80973b15 = vprintf+0x85 printf() at 0xffffffff80973be7 = printf+0x67 isp_prt() at 0xffffffff805c15a0 = isp_prt+0xd0 isp_async() at 0xffffffff805c6736 = isp_async+0x356 isp_intr() at 0xffffffff805b854c = isp_intr+0x13ac isp_platform_intr() at 0xffffffff805c1fd9 = isp_platform_intr+0x99 intr_event_execute_handlers() at 0xffffffff80907214 = intr_event_execute_handlers+0x104 ithread_loop() at 0xffffffff809089a6 = ithread_loop+0xa6 fork_exit() at 0xffffffff809038ef = fork_exit+0x11f fork_trampoline() at 0xffffffff80c5139e = fork_trampoline+0xe --- trap 0, rip = 0, rsp = 0xffffff9178bd3cf0, rbp = 0 --- db> x/s panicstr 0xffffffff8130fd08 = panicstr: ------------- Hmm. No panic string because it wasn't a panic. isp driver is trying to (successfully) print something and this blew up in the ACPI code. If there was a bad string it would have blown up in kvprintf. At least that's my read of this.
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