Date: Thu, 29 Jul 2004 14:29:51 +0300 From: Matti Saarinen <mjsaarin@cc.helsinki.fi> To: freebsd-current@freebsd.org Subject: IBM T41 + ACPI + CURRENT/20040729: Boot fails on fatal trap 12 Message-ID: <yq3jy8l3yrtc.fsf@lagavulin.it.helsinki.fi>
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I CVSuped my T41 today and now the laptop doesn't boot ACPI enabled.
It dies on fatal trap 12 while trying to mount root fs. What could be
causing this? Below is the manually copied console output:
ata1-slave: FAILURE - ATAPI_IDENTIFY no interrupt
ATAPI_RESET time = 170us
acd0: CDRW <UJDA755zDVD/CDRW> at ata1-master PIO4
Mountig root from ufs:/dev/ad0s3a
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x1ff01ff
fault code = supervisor read, page not present
instructor pointer = 0x8:0xc04a4faa
stack pointer = 0x10:0dacf9a84
frame pointer = 0x10:0xdacf9aa4
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 1 (swapper)
[thread 100003]
Stopped at devfs_populate+0x186: cmpb $0x2f,0(%esi)
db> trace
devfs_populate(c2170a00,c04ff881,c2171105,0,8060) at defvs_populate+0x186
devfs_lookup(dacf9bc0,c2170ac1,1,0,c1e78420) at devfs_lookup+0x243
devfs_lookup(dscf9bc0) at devfs_lookup+0x31
lookup(dacf9c00) at lookup+0x2cf
getdiskbyname(c2171100) at getdiskbyname+0x12e
setrootbyname(c2171100) at setrootbyname+0xb
vfs_mountroot_try(c1fb9220,0,c1e77de0,dacf9d0c,c04c41ac) at vfs_mountroot_try+0xcb
vfs_mountroot(0,c1e77de,0c1e78420,0,0) at vfs_mountroot+0x6b
start_init(0,dscf9d48,c06b31a0,0,c0659b52) at start_init+0x3c
fork_exit(c04c4170,0,dacf9d48) at fork_exit+0x66
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip = 0, esp = 0xdacf9d7c, ebp = 0 ---
db>
Cheers,
--
- Matti -
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