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SubjectOoops with 2.4.0-test11pre4 (vgacon_font)
Date
Here is an oops while using console-screen setup
on my Debian Woody SMP machine.


Anyway - could anyone add some comments to those
changes in kernel like removing get_module_symbol,
put_module_symbol.

I've tried to fix Nvidia's driver for this latest
kernel so I've made this change in os-interface.c
--
//symbol_value = get_module_symbol(NV_MODULE_NAME, symbol_name);
routine = inter_module_get_request(symbol_name, NV_MODULE_NAME);

#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 4, 0)
//put_module_symbol(symbol_value);
if (routine)
inter_module_put(symbol_name);
#endif

done:
//return (void *) symbol_value;
return routine;
---

However it doesn't work - how could I fully replace
those old functions with new ones??
Or even better - does anyone maintaine uptodate NVdriver module ?


ksymoops 2.3.4 on i686 2.4.0-test11pre4. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.0-test11pre4/ (default)
-m /usr/src/linux/System.map (default)

Warning: You did not tell me where to find symbol information. I will
assume that the log matches the kernel and modules that are running
right now and I'll use the default options above for symbol resolution.
If the current kernel and/or modules do not match the log, you can get
more accurate output by telling me the kernel version and where to find
map, modules, ksyms etc. ksymoops -h explains the options.

NMI Watchdog detected LOCKUP on CPU0, registers:
CPU: 0
EIP: 0010:[<c02099a3>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00000086
eax: 00000160 ebx: 000003f5 ecx: 000001df edx: 000003d5
esi: 00000010 edi: 0000001e ebp: 000003d5 esp: c8d23c6c
ds: 0018 es: 0018 ss: 0018
Process consolechars (pid: 666, stackpage=c8d23000)
Stack: c8d23d74 c8d23d74 c8d23cd8 00000001 c01ba2f7 c8608000 c01ba30d
00000010
00002000 c018ea42 c1334000 c8d23d74 bfffec4c bfffec64 c8d23d8c
c8d23d74
00000000 000000f1 000000f1 c8888000 ffffffea 00000000 4000c5d0
00000008
Call Trace: [<c01ba2f7>] [<c01ba30d>] [<c018ea42>] [<c019a9ed>]
[<c0153f6c>] [<c0153664>] [<c021d119>]
[<c012adc8>] [<c012ae4a>] [<c01362a4>] [<c012adc8>] [<c012ae4a>]
[<c012afe2>] [<c01362a4>] [<c012adc8>]
[<c012ae4a>] [<c012afe2>] [<c01364f8>] [<c0136dfd>] [<c012bafe>]
[<c012bedf>] [<c0186879>] [<c0149757>]
[<c010bad3>]
Code: 80 3d c8 2d 26 c0 00 f3 90 7e f5 e9 30 08 fb ff 80 3d c8 2d

>>EIP; c02099a3 <stext_lock+4127/8524> <=====
Trace; c01ba2f7 <vgacon_font_op+4f/b8>
Trace; c01ba30d <vgacon_font_op+65/b8>
Trace; c018ea42 <con_font_op+1de/2e0>
Trace; c019a9ed <vt_ioctl+17fd/1a54>
Trace; c0153f6c <load_elf_binary+908/a48>
Trace; c0153664 <load_elf_binary+0/a48>
Trace; c021d119 <tvecs+6971/b058>
Trace; c012adc8 <do_anonymous_page+30/80>
Trace; c012ae4a <do_no_page+32/b0>
Trace; c01362a4 <__alloc_pages+e0/2d4>
Trace; c012adc8 <do_anonymous_page+30/80>
Trace; c012ae4a <do_no_page+32/b0>
Trace; c012afe2 <handle_mm_fault+11a/198>
Trace; c01362a4 <__alloc_pages+e0/2d4>
Trace; c012adc8 <do_anonymous_page+30/80>
Trace; c012ae4a <do_no_page+32/b0>
Trace; c012afe2 <handle_mm_fault+11a/198>
Trace; c01364f8 <__free_pages+14/18>
Trace; c0136dfd <free_page_and_swap_cache+81/84>
Trace; c012bafe <unmap_fixup+62/14c>
Trace; c012bedf <do_munmap+273/280>
Trace; c0186879 <tty_ioctl+361/398>
Trace; c0149757 <sys_ioctl+1bb/214>
Trace; c010bad3 <system_call+33/38>
Code; c02099a3 <stext_lock+4127/8524>
00000000 <_EIP>:
Code; c02099a3 <stext_lock+4127/8524> <=====
0: 80 3d c8 2d 26 c0 00 cmpb $0x0,0xc0262dc8 <=====
Code; c02099aa <stext_lock+412e/8524>
7: f3 90 repz nop
Code; c02099ac <stext_lock+4130/8524>
9: 7e f5 jle 0 <_EIP>
Code; c02099ae <stext_lock+4132/8524>
b: e9 30 08 fb ff jmp fffb0840 <_EIP+0xfffb0840>
c01ba1e3 <vgacon_adjust_height+7b/140>
Code; c02099b3 <stext_lock+4137/8524>
10: 80 3d c8 2d 00 00 00 cmpb $0x0,0x2dc8


--
There are three types of people in the world:
those who can count, and those who can't.
Zdenek Kabelac http://i.am/kabi/ kabi@i.am {debian.org; fi.muni.cz}

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