Date: Sat, 7 Oct 2000 13:24:23 -0300 (ADT) From: The Hermit Hacker <scrappy@hub.org> To: freebsd-current@freebsd.org Cc: freebsd-scsi@freebsd.org Subject: ahc panic on <24hr kernel ... Message-ID: <Pine.BSF.4.21.0010071316430.1627-100000@thelab.hub.org>
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source code CVSup as of early this morning, system is a dual celeron, with
the following scsi controller:
ahc0: <Adaptec 2940 Ultra SCSI adapter> port 0xc800-0xc8ff mem 0xef000000-0xef000fff irq 17 at device 13.0 on pci0
after little time after rebooting, and sped up by doing a make world, I
get:
---------
Fatal trap 12: page fault while in kernel mode
cpuid = 1; lapic.id = 01000000
fault virtual address = 0x0
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc0131464
stack pointer = 0x10:0xcb7a3e90
frame pointer = 0x10:0xcb7a3ea0
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 6
current process = 16 ( irq 17: ahc0 )
kernel: type 12 trap, code = 0
CPU1 stopping CPUs: 0x00000001... stopped
Stopped at ahc_match_scb+0x18: movl 0(%esi),%eax
and a trace from DDB shows:
ahc_match_scb() @ +0x18
ahc_search_qinfifo @ +0xf7
ahc_freeze_devq @ +0x5d
ahc_handle_seqint @ +0x135
ahc_freebsd_intr @ +0x97
ithd_loop @ +0x6f
fork_trampoline @ +0x44
------------
Marc G. Fournier ICQ#7615664 IRC Nick: Scrappy
Systems Administrator @ hub.org
primary: scrappy@hub.org secondary: scrappy@{freebsd|postgresql}.org
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