Date: Tue, 29 May 2001 21:49:54 -0700 From: Kris Kennaway <kris@FreeBSD.org> To: stable@FreeBSD.org Cc: fs@FreeBSD.org Subject: 4.3-STABLE page fault Message-ID: <20010529214954.A444@citusc17.usc.edu>
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I just had this crash while using the Linux version of netscape on a
recent RELENG_4; perhaps someone has time to look at this.
Kris
citusc17# gdb -k kernel.debug vmcore.4
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This GDB was configured as "i386-unknown-freebsd"...
IdlePTD 4177920
initial pcb at 334060
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x0
fault code = supervisor write, page not present
instruction pointer = 0x8:0xc0231132
stack pointer = 0x10:0xc65f3b58
frame pointer = 0x10:0xc65f3b58
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 = 422 (communicator-lin)
interrupt mask = bio
trap number = 12
panic: page fault
syncing disks... 54 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
giving up on 1 buffers
Uptime: 4h59m8s
dumping to dev #ad/0x30001, offset 393216
dump ata0: resetting devices .. done
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
---
#0 dumpsys () at ../../kern/kern_shutdown.c:469
469 if (dumping++) {
(kgdb) bt
#0 dumpsys () at ../../kern/kern_shutdown.c:469
#1 0xc01490d0 in boot (howto=256) at ../../kern/kern_shutdown.c:309
#2 0xc0149471 in panic (fmt=0xc02e4f0f "page fault") at ../../kern/kern_shutdown.c:556
#3 0xc029e2e3 in trap_fatal (frame=0xc65f3b18, eva=0) at ../../i386/i386/trap.c:951
#4 0xc029df7d in trap_pfault (frame=0xc65f3b18, usermode=0, eva=0) at ../../i386/i386/trap.c:844
#5 0xc029db0b in trap (frame={tf_fs = -966852592, tf_es = -966852592, tf_ds = -966852592, tf_edi = -967293536, tf_esi = -966338880, tf_ebp = -966837416, tf_isp = -966837436,
tf_ebx = -1059294976, tf_edx = 0, tf_ecx = -1059294976, tf_eax = 0, tf_trapno = 12, tf_err = 2, tf_eip = -1071443662, tf_cs = 8, tf_eflags = 66118, tf_esp = -966837396,
tf_ss = -1071443298}) at ../../i386/i386/trap.c:443
#6 0xc0231132 in ufs_ihashrem (ip=0xc0dc7100) at ../../ufs/ufs/ufs_ihash.c:152
#7 0xc023129e in ufs_reclaim (ap=0xc65f3b90) at ../../ufs/ufs/ufs_inode.c:130
#8 0xc02365c4 in ufs_vnoperate (ap=0xc65f3b90) at ../../ufs/ufs/ufs_vnops.c:2373
#9 0xc0176d42 in vclean (vp=0xc666d6c0, flags=8, p=0xc65845a0) at vnode_if.h:836
#10 0xc0176ec0 in vgonel (vp=0xc666d6c0, p=0xc65845a0) at ../../kern/vfs_subr.c:1847
#11 0xc017585e in getnewvnode (tag=VT_UFS, mp=0xc0d03a00, vops=0xc0cba000, vpp=0xc65f3c38) at ../../kern/vfs_subr.c:534
#12 0xc022e59b in ffs_vget (mp=0xc0d03a00, ino=883146, vpp=0xc65f3c84) at ../../ufs/ffs/ffs_vfsops.c:1069
#13 0xc0223504 in ffs_valloc (pvp=0xc6015840, mode=33188, cred=0xc0d32100, vpp=0xc65f3c84) at ../../ufs/ffs/ffs_alloc.c:600
#14 0xc02362f6 in ufs_makeinode (mode=33188, dvp=0xc6015840, vpp=0xc65f3ec0, cnp=0xc65f3ed4) at ../../ufs/ufs/ufs_vnops.c:2088
#15 0xc0233bbb in ufs_create (ap=0xc65f3de0) at ../../ufs/ufs/ufs_vnops.c:190
#16 0xc02365c4 in ufs_vnoperate (ap=0xc65f3de0) at ../../ufs/ufs/ufs_vnops.c:2373
#17 0xc017d0fe in vn_open (ndp=0xc65f3eac, fmode=1538, cmode=420) at vnode_if.h:106
#18 0xc0179200 in open (p=0xc65845a0, uap=0xc65f3f2c) at ../../kern/vfs_syscalls.c:995
#19 0xc02685cd in linux_open (p=0xc65845a0, args=0xc65f3f80) at ../../compat/linux/linux_file.c:130
#20 0xc029e551 in syscall2 (frame={tf_fs = 148766767, tf_es = 684326959, tf_ds = -1078001617, tf_edi = 145250410, tf_esi = 4, tf_ebp = -1077942968, tf_isp = -966836268,
tf_ebx = 155595904, tf_edx = 438, tf_ecx = 577, tf_eax = 5, tf_trapno = 7, tf_err = 2, tf_eip = 685477108, tf_cs = 31, tf_eflags = 514, tf_esp = -1077943008, tf_ss = 47})
at ../../i386/i386/trap.c:1150
#21 0xc028fba5 in Xint0x80_syscall ()
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