i had another machine panic with this, and no disk errors.amd64, openbsd 5.3.
it looks like outlook or the demimer ate the dmesg of my last message.
on reboot, /var needed manual fscking, and some bind logfiles were
unreferencedand put in lost+found.
ddb{0}> show panic
softdep_deallocate_dependencies: unrecovered I/O error
ddb{0}> trace
Debugger() at Debugger+0x5
panic() at panic+0xe4
softdep_deallocate_dependencies() at softdep_deallocate_dependencies+0x43
brelse() at brelse+0x68
sd_buf_done() at sd_buf_done+0x7a
mpi_intr() at mpi_intr+0x40
Xintr_ioapic_edge18() at Xintr_ioapic_edge18+0xe8
--- interrupt ---
Bad frame pointer: 0xffff800026132f10
end trace frame: 0xffff800026132f10, count: -7
cpu_idle_cycle+0x13:
ddb{0}>
ddb{0}> ps
PID PPID PGRP UID S FLAGS WAIT COMMAND
1676 7380 1676 0 3 0x80 ttyin ksh
7380 16232 7380 0 3 0x88 pause ksh
16232 28134 16232 1000 3 0x88 pause ksh
28134 7618 7618 1000 3 0x80 select sshd
7618 5766 7618 0 3 0x80 poll sshd
30029 1 22491 70 3 0x4100080 kqread named
14696 1 22491 70 3 0x4100080 thrsleep named
8590 1 22491 70 3 0x4100080 thrsleep named
24645 1 22491 70 3 0x4100080 thrsleep named
4014 1 22491 70 3 0x4100080 thrsleep named
17408 1 22491 70 3 0x4100000 getblk named
4351 1 22491 70 3 0x4100080 thrsleep named
17728 1 22491 70 3 0x4100080 thrsleep named
18529 1 22491 70 3 0x4100080 thrsleep named
16617 1 22491 70 3 0x4100080 thrsleep named
22491 1 22491 70 3 0x80 sigwait named
10069 25041 10069 0 3 0x80 ttyin ksh
25041 9889 25041 0 3 0x88 pause ksh
# bioctl sd0Volume Status Size Device
mpi0 0 Online 499558383104 sd0 RAID1
0 Online 500107861504 0:9.0 noencl <ATA WDC
WD5003ABYX-11S02>
1 Online 500107861504 0:1.0 noencl <ATA WDC
WD5003ABYX-11S02>
mpi0 at pci3 dev 0 function 0 "Symbios Logic SAS1068E" rev 0x08: msi
scsibus0 at mpi0: 112 targets
sd0 at scsibus0 targ 0 lun 0: <Dell, VIRTUAL DISK, 1028> SCSI3 0/direct fixed
naa.
