Re: Panic: EHCI and umass

From: Lukas Ertl <le_at_FreeBSD.org>
Date: Mon, 28 Jun 2004 19:03:28 +0200 (CEST)
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/
Received on Mon Jun 28 2004 - 15:03:37 UTC

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