Re: r259580 breaks radeonkms

From: Roger Pau Monné <royger_at_FreeBSD.org>
Date: Wed, 06 Aug 2014 18:52:14 +0200
On 06/08/14 16:35, Nathan Whitehorn wrote:
> 
> 
> On 2014-08-06 02:35, Roger Pau Monné wrote:
>> On 06/08/14 02:37, Nathan Whitehorn wrote:
>>> Kernels with r269580 will panic when loading the radeonkms driver in
>>> pmap_page_set_memattr(). This probably indicates a bug in radeonkms, but
>>> the system is unusable in the meantime.
>>> -Nathan
>>
>> I seem to be able to load radeonkms just fine after r269580:
> 
> It's possible that it is related to actually using it, rather than
> loading the module. I was only testing them together. I'm using vt and
> the panic (page fault in kernel mode) occurs when TTM tries to set
> memory attributes on some page while starting X. Before the panic, I see
> all the normal Radeon module messages as you do, so the module seems to
> have actually loaded correctly.  The KMS console also seems to be
> functional enough to display the panic message, so I suspect it's X that
> triggers it.
> -Nathan

Please try the attached patch, it seems to solve the panic for me. It
also includes a fix for Intel i915 gem, which I'm not able to test
because I don't have the hardware.

Roger.


Received on Wed Aug 06 2014 - 14:52:19 UTC

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