Re: panic after starting X with r238120

Following up to myself, with some things I should have mentioned before:

On 07/05/12 19:59, Steve Wills wrote:
> On 07/05/12 03:00, Alan Cox wrote:
>> On Wed, Jul 4, 2012 at 4:57 PM, Steve Wills <swills@freebsd.org> wrote:
>>
>>> Setting kern.ipc.shm_use_phys back to 0 (the default) fixed it. I had set
>>> it to 1 for some reason that I can't recall.
>>>
>>>
>> That shouldn't cause a crash in pmap_enter().  What is line 3587 of pmap.c
>> in your sources? 
> 
> 3587                                 if ((newpte & PG_RW) == 0)
> 
>> You mentioned DRM.  Are you using the new Intel graphics
>> driver?
>>
> 
> No, I'm using ATI Radeon.
> 

For what it's worth, I discovered that twm and xterm don't trigger the
issue, but konsole and other kde things do, which is what led me to
discover that setting kern.ipc.shm_use_phys back to default fixed it.

This wasn't the case before, I think the last time I updated was about a
month ago, May 6.

Also, I have these other shared memory related settings in sysctl.conf:

kern.ipc.shmmax=67108864
kern.ipc.shmall=32768
kern.ipc.shm_allow_removed=1

I'm wondering if this is an indication that I have/had some bad settings
and they finally bit me, or if this is an indication of a bug.

Thanks,
Steve
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