Re: CVS commit: src/sys/dev/usb

[Christoph Egger <Christoph_Egger%gmx.de@localhost>]

On 07/15/12 23:13, matthew green wrote:

> Module Name:  src
> Committed By: mrg
> Date:         Sun Jul 15 21:13:31 UTC 2012
> 
> Modified Files:
>       src/sys/dev/usb: usb_subr.c usbdi.c usbdi.h usbdivar.h
> 
> Log Message:
> commit my workaround for PR 46648 for now, as the more involved
> fix is not ready yet:
> 
> move the clear endpoint stall async call into the task thread,
> to avoid trying to call kmem_alloc() from a softint thread.
> 
> XXX ideally moving callbacks into the task thread (or perhaps
> a different high priority task thread) would be better than this
> workaround, once that method is working.


I get this at boot now:

panic: lockdebug_lookup: uninitialized lock (lock=0xffffffff80d3fe28,
from=ffffffff806fd980)
fatal breakpoint trap in supervisor mode
trap type 1 code 0 rip ffffffff80212035 cs e030 rflags 246 cr2 0 ilevel
8 rsp ffffa00019f0d910
curlwp 0xffffa000013e2c00 pid 0 lid 26 lowest kstack 0xffffa00019f0a000
Stopped in pid 0.26 (system) at netbsd:breakpoint+0x5:  leave
breakpoint() at netbsd:breakpoint+0x5
vpanic() at netbsd:vpanic+0x1f2
printf_nolog() at netbsd:printf_nolog
lockdebug_wantlock() at netbsd:lockdebug_wantlock+0x18f
mutex_enter() at netbsd:mutex_enter+0x27b
usb_rem_task() at netbsd:usb_rem_task+0x2b
usbd_kill_pipe() at netbsd:usbd_kill_pipe+0x56
usbd_new_device() at netbsd:usbd_new_device+0x41b
usb_doattach() at netbsd:usb_doattach+0xea
config_interrupts_thread() at netbsd:config_interrupts_thread+0x30


Christoph