Hi,
I have a MSI 845GL-P barebone,
00:02.0 VGA compatible controller: Intel Corp. 82845G/GL [Brookdale-G] Chipset
Integrated Graphics Device (rev 01)
and do use it with 2.4.22, i830 and agpgart kernel modules and
4.3.0-0pre1v1 xfree86-xserver (debian package).
Unfortunately the kernel crashes every few minutes. The problem is
that it does not crash immediately, it continuously degenerates.
Some programs start to behave crazy or simply disappear, and the
kernel shows more and more malfunctions, like being unable to remove
kernel modules or finding hard discs. I manged to get a trace once
(see below), but I'm pretty sure it's useless, since this is not
what's causing the problem.
I am pretty sure that the combination of the xserver with this
vga device corrupts kernel memory structures (many normal programs
suddenly die with segmentation fault or with a kernel error message
about mapping problems. When I finally get a Oops debug output, thing
have already gone wrong.
I first used the machine without i830 and agpgart modules, but this
was even worse.
Do you have any idea whether this is a known bug?
regards
Hadmut
Unable to handle kernel paging request at virtual address 04004188
c013cc5a
*pde =
Oops:
CPU:0
EIP:0010:[c013cc5a]Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010206
eax: 04004160 ebx: d6116500 ecx: edx:
esi: c158e340 edi: dede6780 ebp: dedf8500 esp: d60f5e8c
ds: 0018 es: 0018 ss: 0018
Process .xsession (pid: 1543, stackpage=d60f5000)
Stack: d6116500 d5f7c084 d77f4180 6000 deefa200 080dc000 c012cf1a deefa200
080dc000 6000 d77f4480 deefa200 d60f4000 000f c011a7e7
deefa200 0202 deefa200 c011f337 deefa200 c158631c d60f4000
Call Trace:[c012cf1a] [c011a7e7] [c011f337] [c0124e2c] [c0125005]
[c0108dfa] [c011f691] [c011f955] [c01090f8]
Code: 8b 50 28 85 d2 0f 85 8d 00 00 00 85 c0 74 17 8b 00 85 c0 74
EIP; c013cc5a fput+5a/120 =
ebx; d6116500 _end+15e084a8/20612008
esi; c158e340 _end+12802e8/20612008
edi; dede6780 _end+1ead8728/20612008
ebp; dedf8500 _end+1eaea4a8/20612008
esp; d60f5e8c _end+15de7e34/20612008
Trace; c012cf1a exit_mmap+12a/140
Trace; c011a7e7 mmput+47/b0
Trace; c011f337 do_exit+77/260
Trace; c0124e2c sig_exit+ac/b0
Trace; c0125005 dequeue_signal+65/d0
Trace; c0108dfa do_signal+1ca/2c0
Trace; c011f691 sys_wait4+131/3d0
Trace; c011f955 sys_waitpid+25/30
Trace; c01090f8 signal_return+14/18
Code; c013cc5a fput+5a/120
_EIP:
Code; c013cc5a fput+5a/120 =
0: 8b 50 28 mov0x28(%eax),%edx =
Code; c013cc5d fput+5d/120
3: 85 d2 test %edx,%edx
Code; c013cc5f fput+5f/120
5: 0f 85 8d 00 00 00 jne98 _EIP+0x98
Code; c013cc65 fput+65/120
b: 85 c0 test %eax,%eax
Code; c013cc67 fput+67/120
d: 74 17 je 26 _EIP+0x26
Code; c013cc69 fput+69/120
f: 8b 00 mov(%eax),%eax
Code; c013cc6b fput+6b/120
11: 85 c0 test %eax,%eax
Code; c013cc6d fput+6d/120
13: 74 00 je 15 _EIP+0x15
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