6-stable: sound troubles

[Torfinn Ingolfsen]

On Wed, 11 Jan 2006 18:53:38 +0100
Torfinn Ingolfsen <torfinn.ingolfsen at broadpark.no> wrote:

> The machine is currently dumping, more info follows.

Sorry for the delay, I had to dig up the relevant section in the
Developer's Handbook first (about using kgdb). :-)
Anyway, here is "more info":

root at kg-quiet# kgdb kernel.debug /var/crash/vmcore.0
[GDB will not be able to debug user-mode threads: /usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"]
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "amd64-marcel-freebsd".

Unread portion of the kernel message buffer:
emu10kx0: <Creative SBLive! Value [CT4850]> port 0xdf00-0xdf1f irq 21 at device 1.0 on pci2


Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0x8
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xffffffffa79d63dc
stack pointer           = 0x10:0xffffffffa793f7d0
frame pointer           = 0x10:0xffffffffa793f800
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 621 (kldload)
trap number             = 12
panic: page fault
Uptime: 2m11s
Dumping 1022 MB (2 chunks)
  chunk 0: 1MB (159 pages) ... ok
  chunk 1: 1022MB (261616 pages) 1006 990 974 958 (CTRL-C to abort)  (CTRL-C to abort)  (CTRL-C to abort)  942 926 910 894 878 862 846 830 814 798 782 766 750 734 718 702 686 670 654 638 622 606 590 574 558 542 526 510 494 478 462 446 430 414 398 382 366 350 334 318 302 286 270 254 238 222 206 190 174 158 142 126 110 94 78 62 46 30 14

#0  doadump () at pcpu.h:172
172             __asm __volatile("movq %%gs:0,%0" : "=r" (td));

Let me know if there is anything more I can do.
-- 
Torfinn