Panic: EHCI and umass
Lukas Ertl
le at FreeBSD.org
Mon Jun 28 10:03:37 PDT 2004
On Sat, 26 Jun 2004, Bryan Liesner wrote:
> Large transfers like dumping a filesystem or a tar of a filesystem causes the
> transfer to grind to a halt and eventually panic. No dump is available, here
> is the transcribed DDB output:
>
> Fatal trap 12: page fault while in kernel mode
> fault virtual address = 0x53425355
> fault code = supervisor read, page not present
> instruction pointer = 0x8:0xc05147d2
> stack pointer = 0x10:0xd4294b6c
> frame pointer = 0x10:0xd4294b8c
> code segment = base 0x0 limit 0xffff, type 0x1b
> = DPL0, pres 1, def32 1, gran1
> processor eflags = interrupt enabled, resume, IOPL=0
> current process = 20 (irq10: pcm0 ehci0)
> kernel: type 12 trap,code=0
>
> Stopped at usb_allocmem+0x82: cmpl %esi, 0(%eax)
Could you try to get a vmcore and a backtrace from it?
cheers,
le
--
Lukas Ertl http://homepage.univie.ac.at/l.ertl/
le at FreeBSD.org http://people.freebsd.org/~le/
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