5.0R: Panic

Hi,

der Panic ist aufgetreten nachdem ich »uvisor.ko« geladen und mehrmals
den Sync-Button meines Visors gedrueckt hatte.

Faellt dazu jemandem was Schlaues ein?

Der Coredump liegt noch hier rum, ich koennte also noch weiter debuggen.

Script started on Wed Feb 19 10:59:10 2003
patric(at)talisker:/home/patric$ gdb -k /sys/i386/compile/TALISKER/kernel.debug /var/crash/vmcore.0
GNU gdb 5.2.1 (FreeBSD)
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This GDB was configured as "i386-undermydesk-freebsd"...
panic: bwrite: buffer is not busy???
panic messages:

---
Fatal trap 12: page fault while in kernel mode
fault virtual address	= 0x32
fault code		= supervisor read, page not present
instruction pointer	= 0x8:0xc020c793
stack pointer	        = 0x10:0xd8e9aad8
frame pointer	        = 0x10:0xd8e9ab0c
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		= 35612 (jpilot-sync)
trap number		= 12
panic: page fault
syncing disks, buffers remaining... panic: bwrite: buffer is not busy???
Uptime: 49m44s
Dumping 511 MB
ata0: resetting devices ..
done
 16 32 48 64 80 96 112 128 144 160[CTRL-C to abort]  176[CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort]  192[CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort]  208 224 240 256 272 288 304 320 336 352 368 384 400 416 432 448 464 480 496
---
#0  doadump () at ../../../kern/kern_shutdown.c:232
232		dumping++;
(kgdb) bt
#0  doadump () at ../../../kern/kern_shutdown.c:232
#1  0xc024abd9 in boot (howto=260) at ../../../kern/kern_shutdown.c:364
#2  0xc024ae23 in panic () at ../../../kern/kern_shutdown.c:517
#3  0xc0290bd2 in bwrite (bp=0xce62bae0) at ../../../kern/vfs_bio.c:796
#4  0xc02922b5 in vfs_bio_awrite (bp=0xce62bae0) at ../../../kern/vfs_bio.c:1643
#5  0xc03183ba in ffs_fsync (ap=0xd8e9a8e0) at ../../../ufs/ffs/ffs_vnops.c:258
#6  0xc0317517 in ffs_sync (mp=0xc40a0800, waitfor=2, cred=0xc1541e80, td=0xc03f6ee0) at vnode_if.h:612
#7  0xc02a5e2b in sync (td=0xc03f6ee0, uap=0x0) at ../../../kern/vfs_syscalls.c:138
#8  0xc024a7bc in boot (howto=256) at ../../../kern/kern_shutdown.c:273
#9  0xc024ae23 in panic () at ../../../kern/kern_shutdown.c:517
#10 0xc03717a2 in trap_fatal (frame=0xd8e9aa98, eva=0) at ../../../i386/i386/trap.c:844
#11 0xc0371482 in trap_pfault (frame=0xd8e9aa98, usermode=0, eva=50) at ../../../i386/i386/trap.c:758
#12 0xc0370f70 in trap (frame=
      {tf_fs = 24, tf_es = 16, tf_ds = 16, tf_edi = -655774924, tf_esi = -2144570347, tf_ebp = -655774964, tf_isp = -655775036, tf_ebx = -995056244, tf_edx = -655774924, tf_ecx = 21, tf_eax = 0, tf_trapno = 12, tf_err = 0, tf_eip = -1071593581, tf_cs = 8, tf_eflags = 66050, tf_esp = -997833984, tf_ss = -2144570347}) at ../../../i386/i386/trap.c:445
#13 0xc0361778 in calltrap () at {standard input}:98
#14 0xc020c058 in spec_vnoperate (ap=0x0) at ../../../fs/specfs/spec_vnops.c:126
#15 0xc02ae671 in vn_ioctl (fp=0xc523112c, com=2150396949, data=0xd8e9ac48, active_cred=0xd8e9ab34, td=0xc51a11c0) at vnode_if.h:488
#16 0xc026f8b3 in ioctl (td=0xc51a11c0, uap=0xd8e9ad10) at file.h:227
#17 0xc0371aca in syscall (frame=
      {tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = 10, tf_esi = 134684448, tf_ebp = -1077944152, tf_isp = -655774348, tf_ebx = 1213062036, tf_edx = 10, tf_ecx = 10, tf_eax = 54, tf_trapno = 12, tf_err = 2, tf_eip = 1212593395, tf_cs = 31, tf_eflags = 582, tf_esp = -1077944244, tf_ss = 47}) at ../../../i386/i386/trap.c:1033
#18 0xc03617cd in Xint0x80_syscall () at {standard input}:140
---Can't read userspace from dump, or kernel process---
(kgdb) 
FreeBSD talisker 5.0-RELEASE FreeBSD 5.0-RELEASE #5: Wed Jan 29 10:49:32 CET 2003
root(at)talisker:/usr/src/sys/i386/compile/TALISKER i386
Gruss,
Patric
-- 
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