Thread (24 messages) 24 messages, 5 authors, 2011-01-06

Re: Using s3virge card in Sun Blade 2000

From: Alex Buell <hidden>
Date: 2011-01-06 22:26:10
Also in: lkml

On Thu, 2011-01-06 at 20:50 +0000, Alex Buell wrote:
quoted
Sorry for the obvious but you modified s3_identification() so that
it
quoted
stops emitting vga_rcrt(NULL, ...), right ? 
I must have missed that one - thank you for pointing that one out to
me! 
Sweet smell of success: 

Jan  6 22:09:20 sodium kernel: fb1: S3 Virge/GX on 0000:00:03.0, 6 MB
RAM, 14 MHz MCLK

s3fb now loads OK and correctly identifies the graphic adapter, now that
I fixed s3_identification and others. 

It now crashes elsewhere when the framebuffer device is opened, the logs
shows that:

ERROR(0): Cheetah error trap taken afsr[0010100000000000] afar[00000000000003c0] TL1(0)
Jan  6 22:10:05 sodium kernel: ERROR(0): TPC[10575140] TNPC[10575144] O7[105750e8] TSTATE[4411001604]
Jan  6 22:10:05 sodium kernel: ERROR(0): TPC<save_vga+0x8c/0xf90 [vgastate]>
Jan  6 22:10:05 sodium kernel: ERROR(0): M_SYND(0),  E_SYND(0), Privileged
Jan  6 22:10:05 sodium kernel: ERROR(0): Highest priority error (0000100000000000) "Unmapped error from system bus"
Jan  6 22:10:05 sodium kernel: ERROR(0): D-cache idx[0] tag[0000000000000000] utag[0000000000000000] stag[0000000000000000]
Jan  6 22:10:05 sodium kernel: ERROR(0): D-cache data0[0000000000000000] data1[0000000000000000] data2[0000000000000000] data3[0000000000000000]
Jan  6 22:10:05 sodium kernel: ERROR(0): I-cache idx[0] tag[0000000000000000] utag[0000000000000000] stag[0000000000000000] u[0000000000000000] l[0000000000000000]
Jan  6 22:10:05 sodium kernel: ERROR(0): I-cache INSN0[0000000000000000] INSN1[0000000000000000] INSN2[0000000000000000] INSN3[0000000000000000]
Jan  6 22:10:05 sodium kernel: ERROR(0): I-cache INSN4[0000000000000000] INSN5[0000000000000000] INSN6[0000000000000000] INSN7[0000000000000000]
Jan  6 22:10:05 sodium kernel: ERROR(0): E-cache idx[3c0] tag[0000000313924924]
Jan  6 22:10:05 sodium kernel: ERROR(0): E-cache data0[6c6f6e672e682069] data1[6e636c7564652f6c] data2[696e75782f706f73] data3[69785f7479706573]
Jan  6 22:10:05 sodium kernel: Kernel panic - not syncing: Irrecoverable deferred error trap.

Looks like there's a bug in save_vga which is in
drivers/video/vgastate.c. I'll be sprinkling printk()s through
save_vga() to find the offending line of code.

Still, I'm pleased the module loads.
-- 
Tactical Nuclear Kittens
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