* Neomagic fb driver oopses with linux 2.5
@ 2003-07-21 9:30 Alex Thiel
2003-07-24 23:51 ` James Simmons
0 siblings, 1 reply; 6+ messages in thread
From: Alex Thiel @ 2003-07-21 9:30 UTC (permalink / raw)
To: linux-fbdev-devel
Hallo,
trying the 2.5 kernel series on my laptop lately I found that the fb
driver for Neomagic chips would oops after a few lines have
scrolled off the screen.
I have tried the patchset available at http://phoenix.infradead.org/~jsimmons/fbdev.diff.gz
(seems to be dated Jul 3rd), but still have the same problem.
The machine is a Sony Vaio PCG-505FX, lspci reports the graphic chip as
00:08.0 VGA compatible controller: Neomagic Corporation NM2160 [MagicGraph 128XD] (rev 01)
Kernel is 2.5.75 compiled with gcc 2.95.4. Here is the decoded oops,
this one is with the patches applied.
Unable to handle kernel paging request<1>Unable to handle kernel paging request at virtual address c4c011c0
c01e2d03
*pde = 010d8067
Oops: 0002 [#1]
CPU: 0
EIP: 0060:[<c01e2d03>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010246
eax: 00000000 ebx: 0000004b ecx: c02a9fe0 edx: c4c011c0
esi: 00000004 edi: 00000130 ebp: 00000000 esp: c2eeda34
ds: 007b es: 007b ss: 0068
Stack: c10f8584 c10b8ac6 ffffffff 00000026 00000010 c02da2cc c10b8cb4 c4c011c0
07070707 00000000 c3f53378 c2eeda94 c10b8cda e0eeda9c c01d1b67 c02da2cc
c2eeda94 c2eeda94 c02da2cc c3f53378 002ea7d7 c02da418 c2eeda94 c8f52288
Call Trace: [<c01d1b67>] [<c01e1167>] [<c01d8577>] [<c012627b>] [<c01d939e>] [<c01ba538>] [<c0114286>] [<c01142eb>] [<c01143c9>] [<c01145ae>] [<c0114537>] [<c011005b>] [<c010fe00>] [<c01e2aad>] [<c01e2aad>] [<c0108d0d>] [<c01e1a2d>] [<c01e19d0>] [<c01e1fe3>] [<c01e1167>] [<c01e1107>] [<c01d868b>] [<c01da118>] [<c01b6652>] [<c01b7ba0>] [<c01b8f22>] [<c01ba13a>] [<c01ba7a6>] [<c01ac1ab>] [<c01ae33c>] [<c0111484>] [<c0111484>] [<c01a9829>] [<c01ae1f4>] [<c013c0ac>] [<c013c159>] [<c0108aa7>]
Code: 89 02 83 c2 04 89 54 24 1c 85 f6 75 09 be 08 00 00 00 ff 44
>>EIP; c01e2d03 <cfb_imageblit+323/6a0> <=====
>>ecx; c02a9fe0 <cfb_tab8+0/40>
>>edx; c4c011c0 <__crc_single_release+39ecce/3f2bab>
>>esp; c2eeda34 <__crc_xfrm_policy_register_afinfo+2f842/6cfe28>
Trace; c01d1b67 <lba_28_rw_disk+af/bc>
Trace; c01e1167 <neofb_imageblit+2b/30>
Trace; c01d8577 <accel_putcs+2d7/314>
Trace; c012627b <__lock_page+a3/ac>
Trace; c01d939e <fbcon_putcs+6e/74>
Trace; c01ba538 <vt_console_print+278/2d0>
Trace; c0114286 <__call_console_drivers+3e/50>
Trace; c01142eb <_call_console_drivers+53/58>
Trace; c01143c9 <call_console_drivers+d9/e0>
Trace; c01145ae <release_console_sem+2e/84>
Trace; c0114537 <printk+ff/114>
Trace; c011005b <do_page_fault+25b/413>
Trace; c010fe00 <do_page_fault+0/413>
Trace; c01e2aad <cfb_imageblit+cd/6a0>
Trace; c01e2aad <cfb_imageblit+cd/6a0>
Trace; c0108d0d <error_code+2d/40>
Trace; c01e1a2d <bitfill32+5d/ec>
Trace; c01e19d0 <bitfill32+0/ec>
Trace; c01e1fe3 <cfb_fillrect+18f/29c>
Trace; c01e1167 <neofb_imageblit+2b/30>
Trace; c01e1107 <neofb_fillrect+2b/30>
Trace; c01d868b <accel_clear_margins+d7/e4>
Trace; c01da118 <fbcon_scroll+468/9bc>
Trace; c01b6652 <scrup+76/108>
Trace; c01b7ba0 <lf+34/60>
Trace; c01b8f22 <do_con_trol+166/d78>
Trace; c01ba13a <do_con_write+606/6cc>
Trace; c01ba7a6 <con_put_char+2e/34>
Trace; c01ac1ab <opost+1c3/1d0>
Trace; c01ae33c <write_chan+148/21c>
Trace; c0111484 <default_wake_function+0/20>
Trace; c0111484 <default_wake_function+0/20>
Trace; c01a9829 <tty_write+19d/220>
Trace; c01ae1f4 <write_chan+0/21c>
Trace; c013c0ac <vfs_write+a0/d0>
Trace; c013c159 <sys_write+31/4c>
Trace; c0108aa7 <syscall_call+7/b>
Code; c01e2d03 <cfb_imageblit+323/6a0>
00000000 <_EIP>:
Code; c01e2d03 <cfb_imageblit+323/6a0> <=====
0: 89 02 mov %eax,(%edx) <=====
Code; c01e2d05 <cfb_imageblit+325/6a0>
2: 83 c2 04 add $0x4,%edx
Code; c01e2d08 <cfb_imageblit+328/6a0>
5: 89 54 24 1c mov %edx,0x1c(%esp,1)
Code; c01e2d0c <cfb_imageblit+32c/6a0>
9: 85 f6 test %esi,%esi
Code; c01e2d0e <cfb_imageblit+32e/6a0>
b: 75 09 jne 16 <_EIP+0x16>
Code; c01e2d10 <cfb_imageblit+330/6a0>
d: be 08 00 00 00 mov $0x8,%esi
Code; c01e2d15 <cfb_imageblit+335/6a0>
12: ff 44 00 00 incl 0x0(%eax,%eax,1)
Cheers,
Alex
P.S.: Please CC me as I am not subscibed to this list.
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^ permalink raw reply [flat|nested] 6+ messages in thread* Re: Neomagic fb driver oopses with linux 2.5
2003-07-21 9:30 Neomagic fb driver oopses with linux 2.5 Alex Thiel
@ 2003-07-24 23:51 ` James Simmons
2003-07-26 18:25 ` Alex Thiel
2003-08-12 8:55 ` Alex Thiel
0 siblings, 2 replies; 6+ messages in thread
From: James Simmons @ 2003-07-24 23:51 UTC (permalink / raw)
To: Alex Thiel; +Cc: linux-fbdev-devel
> The machine is a Sony Vaio PCG-505FX, lspci reports the graphic chip as
> 00:08.0 VGA compatible controller: Neomagic Corporation NM2160 [MagicGraph 128XD] (rev 01)
My new laptop is a NeoMagic again so I can test it out.
> Kernel is 2.5.75 compiled with gcc 2.95.4. Here is the decoded oops,
> this one is with the patches applied.
>
> Unable to handle kernel paging request<1>Unable to handle kernel paging request at virtual address c4c011c0
> c01e2d03
> *pde = 010d8067
> Oops: 0002 [#1]
> CPU: 0
> EIP: 0060:[<c01e2d03>] Not tainted
> Using defaults from ksymoops -t elf32-i386 -a i386
> EFLAGS: 00010246
> eax: 00000000 ebx: 0000004b ecx: c02a9fe0 edx: c4c011c0
> esi: 00000004 edi: 00000130 ebp: 00000000 esp: c2eeda34
> ds: 007b es: 007b ss: 0068
> Stack: c10f8584 c10b8ac6 ffffffff 00000026 00000010 c02da2cc c10b8cb4 c4c011c0
> 07070707 00000000 c3f53378 c2eeda94 c10b8cda e0eeda9c c01d1b67 c02da2cc
> c2eeda94 c2eeda94 c02da2cc c3f53378 002ea7d7 c02da418 c2eeda94 c8f52288
> Call Trace: [<c01d1b67>] [<c01e1167>] [<c01d8577>] [<c012627b>] [<c01d939e>] [<c01ba538>] [<c0114286>] [<c01142eb>] [<c01143c9>] [<c01145ae>] [<c0114537>] [<c011005b>] [<c010fe00>] [<c01e2aad>] [<c01e2aad>] [<c0108d0d>] [<c01e1a2d>] [<c01e19d0>] [<c01e1fe3>] [<c01e1167>] [<c01e1107>] [<c01d868b>] [<c01da118>] [<c01b6652>] [<c01b7ba0>] [<c01b8f22>] [<c01ba13a>] [<c01ba7a6>] [<c01ac1ab>] [<c01ae33c>] [<c0111484>] [<c0111484>] [<c01a9829>] [<c01ae1f4>] [<c013c0ac>] [<c013c159>] [<c0108aa7>]
> Code: 89 02 83 c2 04 89 54 24 1c 85 f6 75 09 be 08 00 00 00 ff 44
>
>
> >>EIP; c01e2d03 <cfb_imageblit+323/6a0> <=====
>
> >>ecx; c02a9fe0 <cfb_tab8+0/40>
> >>edx; c4c011c0 <__crc_single_release+39ecce/3f2bab>
> >>esp; c2eeda34 <__crc_xfrm_policy_register_afinfo+2f842/6cfe28>
>
> Trace; c01d1b67 <lba_28_rw_disk+af/bc>
> Trace; c01e1167 <neofb_imageblit+2b/30>
> Trace; c01d8577 <accel_putcs+2d7/314>
> Trace; c012627b <__lock_page+a3/ac>
> Trace; c01d939e <fbcon_putcs+6e/74>
> Trace; c01ba538 <vt_console_print+278/2d0>
> Trace; c0114286 <__call_console_drivers+3e/50>
> Trace; c01142eb <_call_console_drivers+53/58>
> Trace; c01143c9 <call_console_drivers+d9/e0>
> Trace; c01145ae <release_console_sem+2e/84>
> Trace; c0114537 <printk+ff/114>
> Trace; c011005b <do_page_fault+25b/413>
> Trace; c010fe00 <do_page_fault+0/413>
> Trace; c01e2aad <cfb_imageblit+cd/6a0>
> Trace; c01e2aad <cfb_imageblit+cd/6a0>
> Trace; c0108d0d <error_code+2d/40>
> Trace; c01e1a2d <bitfill32+5d/ec>
> Trace; c01e19d0 <bitfill32+0/ec>
> Trace; c01e1fe3 <cfb_fillrect+18f/29c>
> Trace; c01e1167 <neofb_imageblit+2b/30>
> Trace; c01e1107 <neofb_fillrect+2b/30>
> Trace; c01d868b <accel_clear_margins+d7/e4>
> Trace; c01da118 <fbcon_scroll+468/9bc>
> Trace; c01b6652 <scrup+76/108>
> Trace; c01b7ba0 <lf+34/60>
> Trace; c01b8f22 <do_con_trol+166/d78>
> Trace; c01ba13a <do_con_write+606/6cc>
> Trace; c01ba7a6 <con_put_char+2e/34>
> Trace; c01ac1ab <opost+1c3/1d0>
> Trace; c01ae33c <write_chan+148/21c>
> Trace; c0111484 <default_wake_function+0/20>
> Trace; c0111484 <default_wake_function+0/20>
> Trace; c01a9829 <tty_write+19d/220>
> Trace; c01ae1f4 <write_chan+0/21c>
> Trace; c013c0ac <vfs_write+a0/d0>
> Trace; c013c159 <sys_write+31/4c>
> Trace; c0108aa7 <syscall_call+7/b>
>
> Code; c01e2d03 <cfb_imageblit+323/6a0>
> 00000000 <_EIP>:
> Code; c01e2d03 <cfb_imageblit+323/6a0> <=====
> 0: 89 02 mov %eax,(%edx) <=====
> Code; c01e2d05 <cfb_imageblit+325/6a0>
> 2: 83 c2 04 add $0x4,%edx
> Code; c01e2d08 <cfb_imageblit+328/6a0>
> 5: 89 54 24 1c mov %edx,0x1c(%esp,1)
> Code; c01e2d0c <cfb_imageblit+32c/6a0>
> 9: 85 f6 test %esi,%esi
> Code; c01e2d0e <cfb_imageblit+32e/6a0>
> b: 75 09 jne 16 <_EIP+0x16>
> Code; c01e2d10 <cfb_imageblit+330/6a0>
> d: be 08 00 00 00 mov $0x8,%esi
> Code; c01e2d15 <cfb_imageblit+335/6a0>
> 12: ff 44 00 00 incl 0x0(%eax,%eax,1)
I did a assembly dump of my cfbimgblt.o and I couldn't match the code up.
Strange I can't figure it out. I will try turning of hardware accel on
mine.
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Neomagic fb driver oopses with linux 2.5
2003-07-24 23:51 ` James Simmons
@ 2003-07-26 18:25 ` Alex Thiel
2003-07-29 17:14 ` James Simmons
2003-08-12 8:55 ` Alex Thiel
1 sibling, 1 reply; 6+ messages in thread
From: Alex Thiel @ 2003-07-26 18:25 UTC (permalink / raw)
To: James Simmons; +Cc: linux-fbdev-devel
James Simmons <jsimmons@infradead.org> writes:
>> The machine is a Sony Vaio PCG-505FX, lspci reports the graphic chip as
>> 00:08.0 VGA compatible controller: Neomagic Corporation NM2160 [MagicGraph 128XD] (rev 01)
>
> My new laptop is a NeoMagic again so I can test it out.
>
>> Kernel is 2.5.75 compiled with gcc 2.95.4. Here is the decoded oops,
>> this one is with the patches applied.
[oops ommited]
>
> I did a assembly dump of my cfbimgblt.o and I couldn't match the code up.
> Strange I can't figure it out. I will try turning of hardware accel on
> mine.
I noticed that ksymoops complained about not being able to open
/proc/ksyms which seems to have gone in 2.5. Can this cause a
misinterpretation of the raw oops data?
Anyway, I managed to connect to the laptop via a serial line and hope
to be able to track down the problem a little more this way.
Cheers,
Alex
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^ permalink raw reply [flat|nested] 6+ messages in thread* Re: Neomagic fb driver oopses with linux 2.5
2003-07-26 18:25 ` Alex Thiel
@ 2003-07-29 17:14 ` James Simmons
2003-07-29 20:14 ` Alex Thiel
0 siblings, 1 reply; 6+ messages in thread
From: James Simmons @ 2003-07-29 17:14 UTC (permalink / raw)
To: Alex Thiel; +Cc: linux-fbdev-devel
> I noticed that ksymoops complained about not being able to open
> /proc/ksyms which seems to have gone in 2.5. Can this cause a
> misinterpretation of the raw oops data?
>
> Anyway, I managed to connect to the laptop via a serial line and hope
> to be able to track down the problem a little more this way.
Hm. It has changed again. Anyone know the current method for backtracing.
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Neomagic fb driver oopses with linux 2.5
2003-07-29 17:14 ` James Simmons
@ 2003-07-29 20:14 ` Alex Thiel
0 siblings, 0 replies; 6+ messages in thread
From: Alex Thiel @ 2003-07-29 20:14 UTC (permalink / raw)
To: James Simmons; +Cc: linux-fbdev-devel
James Simmons <jsimmons@infradead.org> writes:
>> I noticed that ksymoops complained about not being able to open
>> /proc/ksyms which seems to have gone in 2.5. Can this cause a
>> misinterpretation of the raw oops data?
>>
>> Anyway, I managed to connect to the laptop via a serial line and hope
>> to be able to track down the problem a little more this way.
>
> Hm. It has changed again. Anyone know the current method for backtracing.
I have recompiled the kernel with debugging symbols included, and gdb
thinks the oops occurs at line 264 in cfbimgblt.c. I don't know how
accurate this is, though, since this line is in function
fast_imageblit() while the backtrace rather pointed at cfb_imageblit().
Alex
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Neomagic fb driver oopses with linux 2.5
2003-07-24 23:51 ` James Simmons
2003-07-26 18:25 ` Alex Thiel
@ 2003-08-12 8:55 ` Alex Thiel
1 sibling, 0 replies; 6+ messages in thread
From: Alex Thiel @ 2003-08-12 8:55 UTC (permalink / raw)
To: James Simmons; +Cc: linux-fbdev-devel
Hello,
I think I have narrowed down the problem quite a bit, but I am not
sure how to actually fix it.
Basically the problem is that for my setup the value of yres_virtual
in struct fb_var_screeninfo never changes from the initial value of
30000. As my machine only has 2MB of video memory, I get an oops when
var->yoffset becomes larger than about 2048.
Searching a bit further I found that the virtual resolution is
supposed to be set in neofb_check_var, but this function is never
called.
Does this help to fix the problem?
Alex
James Simmons <jsimmons@infradead.org> writes:
>> The machine is a Sony Vaio PCG-505FX, lspci reports the graphic chip as
>> 00:08.0 VGA compatible controller: Neomagic Corporation NM2160 [MagicGraph 128XD] (rev 01)
>
> My new laptop is a NeoMagic again so I can test it out.
>
>> Kernel is 2.5.75 compiled with gcc 2.95.4. Here is the decoded oops,
>> this one is with the patches applied.
>>
>> Unable to handle kernel paging request<1>Unable to handle kernel paging request at virtual address c4c011c0
>> c01e2d03
>> *pde = 010d8067
>> Oops: 0002 [#1]
>> CPU: 0
>> EIP: 0060:[<c01e2d03>] Not tainted
>> Using defaults from ksymoops -t elf32-i386 -a i386
>> EFLAGS: 00010246
>> eax: 00000000 ebx: 0000004b ecx: c02a9fe0 edx: c4c011c0
>> esi: 00000004 edi: 00000130 ebp: 00000000 esp: c2eeda34
>> ds: 007b es: 007b ss: 0068
>> Stack: c10f8584 c10b8ac6 ffffffff 00000026 00000010 c02da2cc c10b8cb4 c4c011c0
>> 07070707 00000000 c3f53378 c2eeda94 c10b8cda e0eeda9c c01d1b67 c02da2cc
>> c2eeda94 c2eeda94 c02da2cc c3f53378 002ea7d7 c02da418 c2eeda94 c8f52288
>> Call Trace: [<c01d1b67>] [<c01e1167>] [<c01d8577>] [<c012627b>] [<c01d939e>] [<c01ba538>] [<c0114286>] [<c01142eb>] [<c01143c9>] [<c01145ae>] [<c0114537>] [<c011005b>] [<c010fe00>] [<c01e2aad>] [<c01e2aad>] [<c0108d0d>] [<c01e1a2d>] [<c01e19d0>] [<c01e1fe3>] [<c01e1167>] [<c01e1107>] [<c01d868b>] [<c01da118>] [<c01b6652>] [<c01b7ba0>] [<c01b8f22>] [<c01ba13a>] [<c01ba7a6>] [<c01ac1ab>] [<c01ae33c>] [<c0111484>] [<c0111484>] [<c01a9829>] [<c01ae1f4>] [<c013c0ac>] [<c013c159>] [<c0108aa7>]
>> Code: 89 02 83 c2 04 89 54 24 1c 85 f6 75 09 be 08 00 00 00 ff 44
>>
>>
>> >>EIP; c01e2d03 <cfb_imageblit+323/6a0> <=====
>>
>> >>ecx; c02a9fe0 <cfb_tab8+0/40>
>> >>edx; c4c011c0 <__crc_single_release+39ecce/3f2bab>
>> >>esp; c2eeda34 <__crc_xfrm_policy_register_afinfo+2f842/6cfe28>
>>
>> Trace; c01d1b67 <lba_28_rw_disk+af/bc>
>> Trace; c01e1167 <neofb_imageblit+2b/30>
>> Trace; c01d8577 <accel_putcs+2d7/314>
>> Trace; c012627b <__lock_page+a3/ac>
>> Trace; c01d939e <fbcon_putcs+6e/74>
>> Trace; c01ba538 <vt_console_print+278/2d0>
>> Trace; c0114286 <__call_console_drivers+3e/50>
>> Trace; c01142eb <_call_console_drivers+53/58>
>> Trace; c01143c9 <call_console_drivers+d9/e0>
>> Trace; c01145ae <release_console_sem+2e/84>
>> Trace; c0114537 <printk+ff/114>
>> Trace; c011005b <do_page_fault+25b/413>
>> Trace; c010fe00 <do_page_fault+0/413>
>> Trace; c01e2aad <cfb_imageblit+cd/6a0>
>> Trace; c01e2aad <cfb_imageblit+cd/6a0>
>> Trace; c0108d0d <error_code+2d/40>
>> Trace; c01e1a2d <bitfill32+5d/ec>
>> Trace; c01e19d0 <bitfill32+0/ec>
>> Trace; c01e1fe3 <cfb_fillrect+18f/29c>
>> Trace; c01e1167 <neofb_imageblit+2b/30>
>> Trace; c01e1107 <neofb_fillrect+2b/30>
>> Trace; c01d868b <accel_clear_margins+d7/e4>
>> Trace; c01da118 <fbcon_scroll+468/9bc>
>> Trace; c01b6652 <scrup+76/108>
>> Trace; c01b7ba0 <lf+34/60>
>> Trace; c01b8f22 <do_con_trol+166/d78>
>> Trace; c01ba13a <do_con_write+606/6cc>
>> Trace; c01ba7a6 <con_put_char+2e/34>
>> Trace; c01ac1ab <opost+1c3/1d0>
>> Trace; c01ae33c <write_chan+148/21c>
>> Trace; c0111484 <default_wake_function+0/20>
>> Trace; c0111484 <default_wake_function+0/20>
>> Trace; c01a9829 <tty_write+19d/220>
>> Trace; c01ae1f4 <write_chan+0/21c>
>> Trace; c013c0ac <vfs_write+a0/d0>
>> Trace; c013c159 <sys_write+31/4c>
>> Trace; c0108aa7 <syscall_call+7/b>
>>
>> Code; c01e2d03 <cfb_imageblit+323/6a0>
>> 00000000 <_EIP>:
>> Code; c01e2d03 <cfb_imageblit+323/6a0> <=====
>> 0: 89 02 mov %eax,(%edx) <=====
>> Code; c01e2d05 <cfb_imageblit+325/6a0>
>> 2: 83 c2 04 add $0x4,%edx
>> Code; c01e2d08 <cfb_imageblit+328/6a0>
>> 5: 89 54 24 1c mov %edx,0x1c(%esp,1)
>> Code; c01e2d0c <cfb_imageblit+32c/6a0>
>> 9: 85 f6 test %esi,%esi
>> Code; c01e2d0e <cfb_imageblit+32e/6a0>
>> b: 75 09 jne 16 <_EIP+0x16>
>> Code; c01e2d10 <cfb_imageblit+330/6a0>
>> d: be 08 00 00 00 mov $0x8,%esi
>> Code; c01e2d15 <cfb_imageblit+335/6a0>
>> 12: ff 44 00 00 incl 0x0(%eax,%eax,1)
>
> I did a assembly dump of my cfbimgblt.o and I couldn't match the code up.
> Strange I can't figure it out. I will try turning of hardware accel on
> mine.
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2003-07-21 9:30 Neomagic fb driver oopses with linux 2.5 Alex Thiel
2003-07-24 23:51 ` James Simmons
2003-07-26 18:25 ` Alex Thiel
2003-07-29 17:14 ` James Simmons
2003-07-29 20:14 ` Alex Thiel
2003-08-12 8:55 ` Alex Thiel
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