Date: Fri, 22 Oct 2010 10:16:27 -0400 From: Mike Tancsa <mike@sentex.net> To: Randy Bush <randy@psg.com>, stable <stable@freebsd.org> Subject: Re: repeating crashes with 8.1 Message-ID: <201010221416.o9MEGSa0094817@lava.sentex.ca> In-Reply-To: <m2y69rcqjc.wl%randy@psg.com> References: <m2zku7cqt5.wl%randy@psg.com> <m2y69rcqjc.wl%randy@psg.com>
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At 03:08 PM 10/21/2010, Randy Bush wrote:
>FreeBSD 8.1-STABLE #2: Thu Oct 21 15:30:45 UTC 2010
> root@rip.psg.com:/usr/obj/usr/src/sys/RIP amd64
>
>console recording
>em0: discard frame w/o packet header
>em0: discard frame w/o packet header
>em0: discard frame w/o packet header
Hi Randy,
Do you know how this panic is triggered ? Are you able to
create it on demand ?
---Mike
>em0: discard frame w/o packet header
>em0: discard frame w/o packet header
>em0: discard frame w/o packet header
>em0: discard frame w/o packet header
>em0: discard frame w/o packet header
>em0: discard frame w/o packet header
>em0: discard frame w/o packet header
>em0: discard frame w/o packet header
>em0: discard frame w/o packet header
>em0: discard frame w/o packet header
>em0: discard frame w/o packet header
>em0: discard frame w/o packet header
>em0: discard frame w/o packet header
>em0: discard frame w/o packet header
>em0: discard frame w/o packet header
>em0: discard frame w/o packet header
>em0: discard frame w/o packet header
>em0: discard frame w/o packet header
>em0: discard frame w/o packet header
>em0: discard frame w/o packet header
>em0: discard frame w/o packet header
>em0: discard frame w/o packet header
>panic: sbflush_internal: cc 4294965301 || mb 0 || mbcnt 0
>cpuid = 0
>panic: bufwrite: buffer is not busy???
>
>
>cpuid = 0
>Fatal trap 12: page fault while in kernel mode
>Uptime: cpuid = 2; 48mapic id = 02
>36s
>fault virtual address = 0xffff804000000000
>Physical memory: 4086 MB
>fault code = supervisor read data, page not present
>Dumping 1647 MB:instruction pointer = 0x20:0xffffffff804c22ae
> (CTRL-C to abort) stack pointer = 0x28:0xffffff80000de9a0
>frame pointer = 0x28:0xffffff80000de9b0
>code segment = base 0x0, limit 0xfffff, type 0x1b
> = DPL 0, pres 1, long 1, def32 0, gran 1
>processor eflags = interrupt enabled, resume, IOPL = 0
>current process = 0 (em0 taskq)
>trap number = 12
> 1632 1616 1600 1584 1568 1552 1536 1520 1504 1488 1472 1456 1440
> 1424 1408 1392 1376 1360 1344 1328 1312 1296 1280 1264 1248 1232
> 1216 1200 1184 1168 1152 1136 1120 1104 1088 1072 1056 1040 1024
> 1008 992 976 960 944 928 912 896 880 864 848 832 816 800 784 768
> 752 736 720 704 688 672 656 640 624 608 592 576 560 544 528 512 496
> 480 464 448 432 416 400 384 368 352 336 320 304 288 272 256 240 224
> 208 192 176 160 144 128 112 96 80 64 48 32 16Attempt to write
> outside dump device boundaries.
>
>** DUMP FAILED (ERROR 6) **
>Automatic reboot in 15 seconds - press a key on the console to abort
>em0: Watchdog timeout -- resetting
>
>and locked up. required power cycle to reboot
>
>randy
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--------------------------------------------------------------------
Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike@sentex.net
Providing Internet since 1994 www.sentex.net
Cambridge, Ontario Canada www.sentex.net/mike
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