On Tue, 7 Aug 2001, Linus Torvalds wrote:
> Yes, stupid lost test. Already fixed in -pre6.
Hi Linus,
I'm seeing what appears to be the same problem in pre7, can trigger
it reliably:
Aug 9 08:36:15 dunlop kernel: Unable to handle kernel NULL pointer dereference at virtual address 0000001c
Aug 9 08:36:15 dunlop kernel: c0133dd7
Aug 9 08:36:15 dunlop kernel: *pde = 00000000
Aug 9 08:36:15 dunlop kernel: Oops: 0000
Aug 9 08:36:15 dunlop kernel: CPU: 0
Aug 9 08:36:15 dunlop kernel: EIP: 0010:[sync_old_buffers+39/80]
Aug 9 08:36:15 dunlop kernel: EFLAGS: 00210286
Aug 9 08:36:15 dunlop kernel: eax: 0001691d ebx: c127c550 ecx: 00000000 edx: 00000000
Aug 9 08:36:15 dunlop kernel: esi: ffffffff edi: fff9ffff ebp: c127c000 esp: c127dfc4
Aug 9 08:36:15 dunlop kernel: ds: 0018 es: 0018 ss: 0018
Aug 9 08:36:15 dunlop kernel: Process kupdated (pid: 7, stackpage=c127d000)
Aug 9 08:36:15 dunlop kernel: Stack: ffffff10 c127c550 ffffffff c127c000 c0134078 0008e000 c127c000 00010f00
Aug 9 08:36:15 dunlop kernel: c7fc5fb0 c0105000 0008e000 c01054f6 c026ce44 c0133f90 c0259fc4
Aug 9 08:36:15 dunlop kernel: Call Trace: [kupdate+232/240] [stext+0/48] [kernel_thread+38/48] [kupdate+0/240]
Aug 9 08:36:15 dunlop kernel: Code: 3b 42 1c 79 e4 81 3d e0 0f 25 c0 e0 0f 25 c0 74 0b 68 e0 0f
Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 3b 42 1c cmp 0x1c(%edx),%eax
Code; 00000003 Before first symbol
3: 79 e4 jns ffffffe9 <_EIP+0xffffffe9>
ffffffe9 <END_OF_CODE+3777d6f5/???
Code; 00000005 Before first symbol
5: 81 3d e0 0f 25 c0 e0 cmpl $0xc0250fe0,0xc0250fe0
Code; 0000000c Before first symbol
c: 0f 25 c0
Code; 0000000f Before first symbol
f: 74 0b je 1c <_EIP+0x1c> 0000001c
Before first symbol
Code; 00000011 Before first symbol
11: 68 e0 0f 00 00 push $0xfe0
regards,
Paul Jakma.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Wed Aug 15 2001 - 21:00:24 EST