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List:       openbsd-bugs
Subject:    Re: pms0 lost when resuming (with X and wsmoused running)
From:       Stefan Sperling <stsp () openbsd ! org>
Date:       2014-06-04 15:02:12
Message-ID: 20140604150212.GG25867 () ted ! stsp ! name
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On Wed, Jun 04, 2014 at 09:51:08AM -0400, Eduardo Lopes wrote:
> Hi, 
> 
> With this snapshot, the same steps yeld a kernel trap:
> 
> uvm_fault(0xfffffe8135047b68, 0x0, 0, 1) -> e
> kernel: page fault trap, code=0
> Stopped at      pms_enable_alps+0xbd:   movl    0(%r12),%eax
> 
> ddb trace:
> 
> pms_enable_alps() at pms_enable_alps+0xbd
> pms_protocol_lookup() at pms_protocol_lookup+0x34
> pms_change_state() at pms_change_state+0x106
> wsmouseopen() at wsmouseopen+0xbf
> spec_open() at spec_open+0x213
> VOP_OPEN() at VOP_OPEN+0x3f
> vn_open() at vn_open+0x16f
> doopenat() at doopenat+0x132
> syscall() at syscall+0x297
> --- syscall (number 5) ---
> end trace frame: 0x0, count: -9
> 0x343ce1f5d0a:

Try disabling wsmoused as a workaround.
There is a known bug, perhaps related:
http://marc.info/?l=openbsd-misc&m=137811690307634&w=2
I tried tracking this down once but didn't get very far.

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