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* [BUG] 2.4.20-rc2-ac3 oops (causer is DRM 4.3.x code)
@ 2002-11-25 16:12 Marc-Christian Petersen
  2002-11-25 17:02 ` Arjan van de Ven
  0 siblings, 1 reply; 5+ messages in thread
From: Marc-Christian Petersen @ 2002-11-25 16:12 UTC (permalink / raw)
  To: linux-kernel; +Cc: Alan Cox, Arjan van de Ven

Hi Alan, Hi Arjan,

with XFree 4.2.1, r128 modular, get's loaded at startup of X, and then:

Nov 25 17:06:41 codeman kernel: Unable to handle kernel NULL pointer 
dereference at virtual address 00000000
Nov 25 17:06:41 codeman kernel: cbc6a8c4
Nov 25 17:06:41 codeman kernel: *pde = 081d9067
Nov 25 17:06:41 codeman kernel: Oops: 0002
Nov 25 17:06:41 codeman kernel: CPU:    0
Nov 25 17:06:41 codeman kernel: EIP:    0010:[<cbc6a8c4>]    Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
Nov 25 17:06:41 codeman kernel: EFLAGS: 00013282
Nov 25 17:06:41 codeman kernel: eax: e51285e0   ebx: c5160980   ecx: 00000011   
edx: 00000000
Nov 25 17:06:41 codeman kernel: esi: cc6adf14   edi: dffbdb80   ebp: c4997800   
esp: cc6adee0
Nov 25 17:06:41 codeman kernel: ds: 0018   es: 0018   ss: 0018
Nov 25 17:06:41 codeman kernel: Process XFree86 (pid: 15852, 
stackpage=cc6ad000)
Nov 25 17:06:41 codeman kernel: Stack: 00020000 00000000 b86d2ce8 cc6adf6c 
c4997800 dffbdb80 cbc6aaad c4997800 
Nov 25 17:06:41 codeman kernel:        cc6adf14 cc6ac000 00000300 c4997800 
c83f8d00 00000001 00000898 00000001 
Nov 25 17:06:41 codeman kernel:        80000000 00000001 00100000 00002710 
00000010 00000000 00000640 003ab100 
Nov 25 17:06:41 codeman kernel: Call Trace: [<cbc6aaad>] [<cbc657ca>] 
[<cbc6aa18>] [sys_ioctl+637/708] [system_call+51/56] 
Nov 25 17:06:41 codeman kernel: Code: 89 02 8b 47 24 c7 80 40 01 00 00 00 00 
00 00 8b 47 24 8b 90 


>>EIP; cbc6a8c4 <[r128]r128_do_init_cce+744/7f8>   <=====

>>ebx; c5160980 <[smbfs].data.end+248291/6d47971>
>>ebp; c4997800 <[eepro100].bss.end+6b269/c3ac9>

Trace; cbc6aaad <[r128]r128_cce_init+95/b8>
Trace; cbc657ca <[r128]r128_ioctl+102/110>
Trace; cbc6aa18 <[r128]r128_cce_init+0/b8>

Code;  cbc6a8c4 <[r128]r128_do_init_cce+744/7f8>
00000000 <_EIP>:
Code;  cbc6a8c4 <[r128]r128_do_init_cce+744/7f8>   <=====
   0:   89 02                     mov    %eax,(%edx)   <=====
Code;  cbc6a8c6 <[r128]r128_do_init_cce+746/7f8>
   2:   8b 47 24                  mov    0x24(%edi),%eax
Code;  cbc6a8c9 <[r128]r128_do_init_cce+749/7f8>
   5:   c7 80 40 01 00 00 00      movl   $0x0,0x140(%eax)
Code;  cbc6a8d0 <[r128]r128_do_init_cce+750/7f8>
   c:   00 00 00 
Code;  cbc6a8d3 <[r128]r128_do_init_cce+753/7f8>
   f:   8b 47 24                  mov    0x24(%edi),%eax
Code;  cbc6a8d6 <[r128]r128_do_init_cce+756/7f8>
  12:   8b 90 00 00 00 00         mov    0x0(%eax),%edx


ciao, Marc

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [BUG] 2.4.20-rc2-ac3 oops (causer is DRM 4.3.x code)
  2002-11-25 16:12 [BUG] 2.4.20-rc2-ac3 oops (causer is DRM 4.3.x code) Marc-Christian Petersen
@ 2002-11-25 17:02 ` Arjan van de Ven
  2002-11-25 17:12   ` Marc-Christian Petersen
  0 siblings, 1 reply; 5+ messages in thread
From: Arjan van de Ven @ 2002-11-25 17:02 UTC (permalink / raw)
  To: Marc-Christian Petersen; +Cc: linux-kernel, Alan Cox, Arjan van de Ven

On Mon, 2002-11-25 at 17:12, Marc-Christian Petersen wrote:
> Hi Alan, Hi Arjan,
> 

@ -622,16 +615,20 @@
        if ( dev->dev_private ) {
                drm_r128_private_t *dev_priv = dev->dev_private;

+#if __REALLY_HAVE_SG
                if ( !dev_priv->is_pci ) {
+#endif
                        DRM_IOREMAPFREE( dev_priv->cce_ring );
                        DRM_IOREMAPFREE( dev_priv->ring_rptr );
                        DRM_IOREMAPFREE( dev_priv->buffers );
+#if __REALLY_HAVE_SG
                } else {
                        if (!DRM(ati_pcigart_cleanup)( dev,
                                                dev_priv->phys_pci_gart,
                                                dev_priv->bus_pci_gart
))
                                DRM_ERROR( "failed to cleanup PCI
GART!\n" );
                }
+#endif
 

is the only worthy change to drivers/char/drm/r128_cce.c that I can
think of that can cause this, could you try to just remove the #if's ?

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [BUG] 2.4.20-rc2-ac3 oops (causer is DRM 4.3.x code)
  2002-11-25 17:02 ` Arjan van de Ven
@ 2002-11-25 17:12   ` Marc-Christian Petersen
  2002-11-25 20:14     ` Marc-Christian Petersen
  0 siblings, 1 reply; 5+ messages in thread
From: Marc-Christian Petersen @ 2002-11-25 17:12 UTC (permalink / raw)
  To: Arjan van de Ven; +Cc: linux-kernel, Alan Cox, Arjan van de Ven

On Monday 25 November 2002 18:02, Arjan van de Ven wrote:

Hi Arjan,

> @ -622,16 +615,20 @@
>         if ( dev->dev_private ) {
>                 drm_r128_private_t *dev_priv = dev->dev_private;
>
> +#if __REALLY_HAVE_SG
>                 if ( !dev_priv->is_pci ) {
> +#endif
>                         DRM_IOREMAPFREE( dev_priv->cce_ring );
>                         DRM_IOREMAPFREE( dev_priv->ring_rptr );
>                         DRM_IOREMAPFREE( dev_priv->buffers );
> +#if __REALLY_HAVE_SG
>                 } else {
>                         if (!DRM(ati_pcigart_cleanup)( dev,
>                                                 dev_priv->phys_pci_gart,
>                                                 dev_priv->bus_pci_gart
> ))
>                                 DRM_ERROR( "failed to cleanup PCI
> GART!\n" );
>                 }
> +#endif
sorry for eventually stupidity, but? ... REALLY_HAVE_SG?

ciao, Marc



^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [BUG] 2.4.20-rc2-ac3 oops (causer is DRM 4.3.x code)
  2002-11-25 17:12   ` Marc-Christian Petersen
@ 2002-11-25 20:14     ` Marc-Christian Petersen
  2002-11-25 20:27       ` Marc-Christian Petersen
  0 siblings, 1 reply; 5+ messages in thread
From: Marc-Christian Petersen @ 2002-11-25 20:14 UTC (permalink / raw)
  To: Arjan van de Ven; +Cc: linux-kernel, Alan Cox, Arjan van de Ven

On Monday 25 November 2002 18:12, Marc-Christian Petersen wrote:

Hi Arjan,

> sorry for eventually stupidity, but? ... REALLY_HAVE_SG?
blablabla Marc, MAN am I blind.

> is the only worthy change to drivers/char/drm/r128_cce.c that I can
> think of that can cause this, could you try to just remove the #if's ?
somebody should tell me the functionality of a scroll-wheel to see those 
messages at a bottom...

;-)

Ok Arjan, I am trying this out right now. Hang on please.

ciao, Marc

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [BUG] 2.4.20-rc2-ac3 oops (causer is DRM 4.3.x code)
  2002-11-25 20:14     ` Marc-Christian Petersen
@ 2002-11-25 20:27       ` Marc-Christian Petersen
  0 siblings, 0 replies; 5+ messages in thread
From: Marc-Christian Petersen @ 2002-11-25 20:27 UTC (permalink / raw)
  To: Arjan van de Ven; +Cc: linux-kernel, Alan Cox, Arjan van de Ven

On Monday 25 November 2002 21:14, Marc-Christian Petersen wrote:

Hi Arjan,

> Ok Arjan, I am trying this out right now. Hang on please.
ok, removed those #if's and #endif's:

Nov 25 21:23:17 codeman kernel: Unable to handle kernel NULL pointer 
dereference at virtual address 00000000
Nov 25 21:23:17 codeman kernel: c654a8c4
Nov 25 21:23:17 codeman kernel: *pde = 065ef067
Nov 25 21:23:17 codeman kernel: Oops: 0002
Nov 25 21:23:17 codeman kernel: CPU:    0
Nov 25 21:23:17 codeman kernel: EIP:    0010:[<c654a8c4>]    Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
Nov 25 21:23:17 codeman kernel: EFLAGS: 00013282
Nov 25 21:23:17 codeman kernel: eax: e51265e0   ebx: c2e6a900   ecx: 00000011   
edx: 00000000
Nov 25 21:23:17 codeman kernel: esi: c70b3f14   edi: dffbd880   ebp: c28cf000   
esp: c70b3ee0
Nov 25 21:23:17 codeman kernel: ds: 0018   es: 0018   ss: 0018
Nov 25 21:23:17 codeman kernel: Process XFree86 (pid: 27442, 
stackpage=c70b3000)
Nov 25 21:23:17 codeman kernel: Stack: 00020000 00000000 b80f2628 c70b3f6c 
c28cf000 dffbd880 c654aad7 c28cf000
Nov 25 21:23:17 codeman kernel:        c70b3f14 c70b2000 00000300 c28cf000 
c5a6a680 00000001 00000898 00000001
Nov 25 21:23:17 codeman kernel:        80000000 00000001 00100000 00002710 
00000010 00000000 00000640 003ab100
Nov 25 21:23:17 codeman kernel: Call Trace: [<c654aad7>] [<c65457ca>] 
[<c654aa40>] [sys_ioctl+637/708] [system_call+51/56]
Nov 25 21:23:17 codeman kernel: Code: 89 02 8b 47 24 c7 80 40 01 00 00 00 00 
00 00 8b 47 24 8b 90


>>EIP; c654a8c4 <[r128]r128_do_init_cce+744/7f8>   <=====

>>ebx; c5160980 <[smbfs].data.end+248291/6d47971>
>>ebp; c2e6a900 <[eepro100].bss.end+2ae349/5e3aa9>

Trace; c654aad7 <[r128]r128_cce_init+97/c0>
Trace; c65457ca <[r128]r128_ioctl+102/110>
Trace; c654aa40 <[r128]r128_cce_init+0/c0>

Code;  c654a8c4 <[r128]r128_do_init_cce+744/7f8>
00000000 <_EIP>:
Code;  c654a8c4 <[r128]r128_do_init_cce+744/7f8>   <=====
   0:   89 02                     mov    %eax,(%edx)   <=====
Code;  c654a8c6 <[r128]r128_do_init_cce+746/7f8>
   2:   8b 47 24                  mov    0x24(%edi),%eax
Code;  c654a8c9 <[r128]r128_do_init_cce+749/7f8>
   5:   c7 80 40 01 00 00 00      movl   $0x0,0x140(%eax)
Code;  c654a8d0 <[r128]r128_do_init_cce+750/7f8>
   c:   00 00 00
Code;  c654a8d3 <[r128]r128_do_init_cce+753/7f8>
   f:   8b 47 24                  mov    0x24(%edi),%eax
Code;  c654a8d6 <[r128]r128_do_init_cce+756/7f8>
  12:   8b 90 00 00 00 00         mov    0x0(%eax),%edx


root@codeman:[/] # lspci -v|grep ATI
01:00.0 VGA compatible controller: ATI Technologies Inc Rage 128 RE/SG 
(prog-if 00 [VGA])
        Subsystem: ATI Technologies Inc Rage 128 AIW


ciao, Marc

^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2002-11-25 20:20 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2002-11-25 16:12 [BUG] 2.4.20-rc2-ac3 oops (causer is DRM 4.3.x code) Marc-Christian Petersen
2002-11-25 17:02 ` Arjan van de Ven
2002-11-25 17:12   ` Marc-Christian Petersen
2002-11-25 20:14     ` Marc-Christian Petersen
2002-11-25 20:27       ` Marc-Christian Petersen

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