On Sat, Dec 11, 2021 at 06:28:53PM -0700, Ted Bullock wrote:
> On 2021-12-11 5:39 a.m., Mark Kettenis wrote:
> >> Date: Sat, 11 Dec 2021 05:10:41 -0700
> >> From: Ted Bullock
> >
> > The are several reasons why that test can fail though. It can be an
> > endian-ness issue or on sparc64 it could
On 2021-12-11 5:39 a.m., Mark Kettenis wrote:
>> Date: Sat, 11 Dec 2021 05:10:41 -0700
>> From: Ted Bullock
>
> The are several reasons why that test can fail though. It can be an
> endian-ness issue or on sparc64 it could also be an IOMMU issue where
> the wrong address is programmed into the
> Date: Sat, 11 Dec 2021 05:10:41 -0700
> From: Ted Bullock
>
> On 2021-12-11 4:41 a.m., Mark Kettenis wrote:
> >> Date: Fri, 10 Dec 2021 17:24:58 -0700
> >> From: Ted Bullock
> > So the real problem is:
> >
> >> [drm] *ERROR* radeon: ring test failed (scratch(0x15E4)=0xCAFEDEAD)
> >> [drm]
On Sat, Dec 11, 2021 at 12:41:46PM +0100, Mark Kettenis wrote:
> > Date: Fri, 10 Dec 2021 17:24:58 -0700
> > From: Ted Bullock
> >
> > On 2021-12-10 12:53 a.m., Jonathan Gray wrote:
> > > On Thu, Dec 09, 2021 at 10:01:30PM -0700, Ted Bullock wrote:
> > >> Thoughts folks? This is clearly going to
On 2021-12-11 4:41 a.m., Mark Kettenis wrote:
Date: Fri, 10 Dec 2021 17:24:58 -0700
From: Ted Bullock
So the real problem is:
[drm] *ERROR* radeon: ring test failed (scratch(0x15E4)=0xCAFEDEAD)
[drm] *ERROR* radeon: cp isn't working (-22).
drm:pid0:r100_startup *ERROR* failed initializing CP
> Date: Fri, 10 Dec 2021 17:24:58 -0700
> From: Ted Bullock
>
> On 2021-12-10 12:53 a.m., Jonathan Gray wrote:
> > On Thu, Dec 09, 2021 at 10:01:30PM -0700, Ted Bullock wrote:
> >> Thoughts folks? This is clearly going to impact all big endian + radeon
> >> gear.
> >>
> >> Actually, I bet that
On 2021-12-10 12:53 a.m., Jonathan Gray wrote:
> On Thu, Dec 09, 2021 at 10:01:30PM -0700, Ted Bullock wrote:
>> Thoughts folks? This is clearly going to impact all big endian + radeon gear.
>>
>> Actually, I bet that the macppc platform has the same problem too.
>
> sparc64 maps pci little
On Thu, Dec 09, 2021 at 10:01:30PM -0700, Ted Bullock wrote:
> On 2021-12-09 6:46 p.m., Ted Bullock wrote:
> > On 2021-12-06 4:21 p.m., Ted Bullock wrote:
> > I think that there is an bug triggered by endian code here:
> >
> >> radeondrm0: RV100
> >> BIOS signature incorrect 0 0
> >
> > in
On 2021-12-09 6:46 p.m., Ted Bullock wrote:
> On 2021-12-06 4:21 p.m., Ted Bullock wrote:
> I think that there is an bug triggered by endian code here:
>
>> radeondrm0: RV100
>> BIOS signature incorrect 0 0
>
> in sys/dev/pci/drm/radeon/radeon_bios.c:840
>
> if (rdev->bios[0] != 0x55 ||
On 2021-12-06 4:21 p.m., Ted Bullock wrote:
> Ok, so this time I plugged in a discrete GPU into this ultrasparc
> system, the sun XVR-100 which is a PCI card with vga and dvi ports. The
> card uses an ati radeon r100 generation video chip.
I think that there is an bug triggered by endian code
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