Date: Thu, 22 Mar 2001 21:43:03 +0000 From: David Taylor <davidt@yadt.co.uk> To: freebsd-stable@freebsd.org Subject: 4.3-BETA crash on 'mount /dev/acd0c /mnt' Message-ID: <20010322214303.A994@gattaca.yadt.co.uk>
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(using: 4.3-BETA FreeBSD 4.3-BETA #3: Tue Mar 6 18:39:44 GMT 2001)
mount -t cd9660 /dev/acd0c /mnt #works ok
OTOH,
mount /dev/acd0c /mnt
causes the following panic:
IdlePTD 3657728
initial pcb at 2e2a00
panicstr: vm_fault: fault on nofault entry, addr: c7c11000
panic messages:
---
panic: vm_fault: fault on nofault entry, addr: c7c11000
#0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:469
#1 0xc014af55 in boot (howto=3D256) at /usr/src/sys/kern/kern_shutdown.c:3=
09
#2 0xc014b2ed in panic (
fmt=3D0xc027a080 "vm_fault: fault on nofault entry, addr: %lx")
at /usr/src/sys/kern/kern_shutdown.c:556
#3 0xc01e39c6 in vm_fault (map=3D0xc02eb30c, vaddr=3D3357331456,
fault_type=3D3 '\003', fault_flags=3D0) at /usr/src/sys/vm/vm_fault.c:2=
40
#4 0xc0247602 in trap_pfault (frame=3D0xcd718f10, usermode=3D0, eva=3D3357=
331456)
at /usr/src/sys/i386/i386/trap.c:833
#5 0xc02471ef in trap (frame=3D{tf_fs =3D 16, tf_es =3D 16, tf_ds =3D -107=
2365552,
tf_edi =3D -937635840, tf_esi =3D 2352, tf_ebp =3D -848195744,
tf_isp =3D -848195780, tf_ebx =3D -1054105728, tf_edx =3D 368, tf_ecx=
=3D 304,
tf_eax =3D -1058161152, tf_trapno =3D 12, tf_err =3D 2,
tf_eip =3D -1071495692, tf_cs =3D 8, tf_eflags =3D 2163202,
tf_esp =3D -1054105728, tf_ss =3D -1057923520}) at
at /usr/src/sys/i386/i386/trap.c:443
#6 0xc02245f4 in atapi_read (request=3D0xc12b9f80, length=3D2352)
at machine/cpufunc.h:222
#7 0xc02240b2 in atapi_interrupt (request=3D0xc12b9f80)
at /usr/src/sys/dev/ata/atapi-all.c:385
#8 0xc021dae1 in ata_intr (data=3D0xc0edbe00)
at /usr/src/sys/dev/ata/ata-all.c:1150
also:
#6 0xc02245f4 in atapi_read (request=3D0xc148b480, length=3D2352)
at machine/cpufunc.h:222
#7 0xc02240b2 in atapi_interrupt (request=3D0xc148b480)
at /usr/src/sys/dev/ata/atapi-all.c:385
#8 0xc021dae1 in ata_intr (data=3D0xc0edbe00)
at /usr/src/sys/dev/ata/ata-all.c:1150
and:
#12 0xc02245f4 in atapi_read (request=3D0xc122d380, length=3D2352)
at machine/cpufunc.h:222
#13 0xc02240b2 in atapi_interrupt (request=3D0xc122d380)
at /usr/src/sys/dev/ata/atapi-all.c:385
#14 0xc021dae1 in ata_intr (data=3D0xc0edbe00)
at /usr/src/sys/dev/ata/ata-all.c:1150
When I was originally trying to mount a CD-RW disk, I also saw messages
like:
"kernel: ata1-master: too many segments in DMA table"
I'm not sure if that's because it was a CD-RW which FreeBSD didn't
understand, or if it's related to the bug that caused the panic..
'acd0: READ_CD commmand timeout - resetting' appeared just before the dump.
--=20
David Taylor
davidt@yadt.co.uk
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