I just upgraded to RELENG_6 from 6.0 and after running for about a day I got the following panic: Jan 6 21:37:47 bigguy kernel: pid 30546 (gaim), uid 1001 inumber 10313 on /var: filesystem full panic: vm_object_backing_scan: object mismatch KDB: enter: panic [thread pid 22780 tid 100175 ] Stopped at kdb_enter+0x32: leave db> bt Tracing pid 22780 tid 100175 td 0xc8119300 kdb_enter(c06a50b0,c06f9460,c06b9bcd,e9a30978,c8119300) at kdb_enter+0x32 panic(c06b9bcd,0,c06b99b4,604,0) at panic+0x14c vm_object_backing_scan(c7d7dad4,0,c06b99b4,63b,0) at vm_object_backing_scan+0x4e c vm_object_collapse(c9923630,0,c06b99b4,214,c7d7dad4) at vm_object_collapse+0x1b4 vm_object_deallocate(c7d7dad4,0,c06b906f,89e,0) at vm_object_deallocate+0x351 vm_map_delete(c7d16e10,0,bfc00000,c7d16e10,0) at vm_map_delete+0x29d vm_map_remove(c7d16e10,0,bfc00000,c8119300,e9a30a9c) at vm_map_remove+0x55 exec_new_vmspace(e9a30bf0,c06eeec0,2ec,0,0) at exec_new_vmspace+0x243 exec_elf32_imgact(e9a30bf0,0,c06a2586,149,43) at exec_elf32_imgact+0x1bd kern_execve(c8119300,e9a30ca8,0,807b94c,807a000) at kern_execve+0x417 execve(c8119300,e9a30d04,c,41d,3) at execve+0x67 syscall(3b,3b,3b,1,0) at syscall+0x13d Xint0x80_syscall() at Xint0x80_syscall+0x1f --- syscall (59, FreeBSD ELF32, execve), eip = 0x805571f, esp = 0xbfbfd9bc, ebp = 0xbfbfd9d8 --- The trace with ps output is here: http://am-productions.biz/docs/bigguy-vm-panic.txt -- Anish Mistry -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 187 bytes Desc: not available Url : http://lists.freebsd.org/pipermail/freebsd-stable/attachments/20060107/11ab253c/attachment.bin