kernel BUG at page_alloc.c:75! / exit.c

Hi,

Forwarding to linux-mm since Riel does not read linux-kernel any more...

/RogerL

---------- Forwarded Message ----------
Subject: kernel BUG at page_alloc.c:75! / exit.c
Date: Wed, 04 Apr 2001 13:23:51 +0200
From: [email protected]
To: [email protected]

hi,

I'm running the 2.4.3 kernel and my system always (!) crashes when I try to generate the "Linux kernel poster" from lgp.linuxcare.com.au. After working for one hour, the kernel printed this message:

kernel BUG at page_alloc.c:75!

invalid operand: 0000
CPU:    0
EIP:    0010:[__free_pages_ok+62/784]
EFLAGS: 00010296
eax: 0000001f   ebx: c137dbb8   ecx: 00000000   edx: ffffffff
esi: c137dbb8   edi: c0223fb8   ebp: 00000000   esp: c1475f78
ds: 0018   es: 0018   ss: 0018
Process bdflush (pid: 5, stackpage=c1475000)
Stack: c01f6ec5 c01f6fd3 0000004b c137dbe0 c137dbb8 c0223fb8 0000003c
c0223fb8
       0000003b c48a1a40 00000003 c0128a89 c012a29a c0128c85 c1474000
c01f852e
       0000000a 0008e000 00000000 00000000 00000004 00000000 00007a13
c0132ae0
Call Trace: [page_launder+793/2064] [__free_pages+26/32]

[page_launder+1301/2064] [bdflush+128/208] [kernel_thread+35/48]

Code: 0f 0b 83 c4 0c 89 d8 2b 05 78 ea 27 c0 69 c0 f1 f0 f0 f0 c1
kernel BUG at exit.c:458!
invalid operand: 0000
CPU:    0
EIP:    0010:[do_exit+526/544]
EFLAGS: 00010282
eax: 0000001a   ebx: c0220920   ecx: 00000000   edx: ffffffff

I think there should be more, but it stopped at this point.

Do you need more information about the system?

Thank you, Felix
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-------------------------------------------------------

Roger Larsson
Skelleftea
Sweden
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There are some known bugs in the 2.4 memory management. Does 2.4.3-ac<latest> fix this ?

(note: 2.4.3-ac<latest> isn't stable/safe either, but people are working on it and it would be cool to know if at least this bug has been fixed)

regards,

Rik
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I tried 2.4.4-pre1 and it showed up again (when there was high disk IO):

this was in the syslog:
kernel BUG at page_alloc.c:75!

invalid operand: 0000
CPU:    0
EIP:    0010:[__free_pages_ok+62/784]
EFLAGS: 00010296
eax: 0000001f   ebx: c1410d6c   ecx: 00000000   edx: 00000006
esi: c1410d6c   edi: c0203518   ebp: 00000000   esp: c1477f78
ds: 0018   es: 0018   ss: 0018

on the screen there was something like:
panic ... in interrupt handler, not syncing ...

I hope this helps.

Grussle, Felix

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