5.3-BETA3 and tga...

[Andreas Kohn]

On Tue, 2004-09-07 at 23:13, Marcel Moolenaar wrote:
> On Tue, Sep 07, 2004 at 10:14:00PM +0200, Gheorghe Ardelean wrote:
> > 
> > > tga0: <DEC TGA (21030) 2D Graphics Accelerator> mem
> > > 0x88000000-0x8fffffff irq 9 at device 13.0 on pci0
> > >
> > > unexpected machine check:
> > >
> > >     mces    = 0x1
> > >     vector  = 0x660
> > >     param   = 0xfffffc0000006000
> > >     pc      = 0xfffffc000072d214
> > >     ra      = 0xfffffc0000732940
> > >     curproc = 0xfffffc00008c2b70
> > >         pid = 0, comm = swapper
> > >
> > > [thread 0]
> > > Stopped at      tga_init+0x74:  and     t0,#0x1c,t1
> > > <t0=0x75555555,t1=0xfffffe0000016000>
> 
> Just to make sure we're on the same page: this used to be a MMU fault
> before, right?

Exactly.

[results from BETA1: ]
de0: Ethernet address: 08:00:2b:e4:f5:af
tga0: <DEC TGA (21030) 2D Graphics Accelerator> mem
0x88000000-0x8fffffff irq 9 at device 13.0 on pci0

fatal kernel trap:

    trap entry     = 0x2 (memory management fault)
    cpuid          = 0
    faulting va    = 0x88100050
    type           = access violation
    cause          = load instructon
    pc             = 0xfffffc000072fc50
    ra             = 0xfffffc0000735380
    sp             = 0xfffffc0000e09a10
    usp            = 0x0
    curthread      = 0xfffffc00008c5cc8
        pid = 0, comm = swapper

[thread 0]
Stopped at      tga_init+0x70:  ldl     t0,0x50(t3) <0x88100050>       
<t0=0x3,t3=0x88100000>
----

> 
> Some background: The machine check is caused by the load prior to
> the and instruction and it's this load that used to cause a MMU
> fault. The load is the very first register access for the TGA card.
> I'll see if newbusification makes a difference...

Thank you.

Regards,
--
Andreas
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