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hi

this is my first linux crash in a long time, so please forgive my formatting..

after a 21 day uptime, and a couple of X 3.9.18 segfaults,
i started getting these oopses:
-----------------------------------------------------------------------------
tar oops
-------------------------------------------------------------------------------
Unable to handle kernel paging request at virtual address 49993b44
current->tss.cr3 = 010ad000, %cr3 = 010ad000
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c012df40>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010a83
eax: c2fe4bf0 ebx: 49993b2c ecx: 0000001a edx: c2fe0000
esi: 69f935b4 edi: c20f8015 ebp: 49993b44 esp: c2643f0c
ds: 0018 es: 0018 ss: 0018
Process tar (pid: 10071, process nr: 59, stackpage=c2643000)
Stack: c20f8015 00000001 c2fe4bf0 c20f800b 69f935b4 0000000a c0129074
c04c20a0
c2643f54 c2643f54 c01292ef c04c20a0 c2643f54 00000001 c26cee40
ffffffe9
00008e42 bffff7a8 c20f800b 0000000a 69f935b4 c0129482 c20f8000
c04c20a0
Call Trace: [<c0129074>] [<c01292ef>] [<c0129482>] [<c0122004>]
[<c012224a>] [<c01079d4>]
Code: 8b 6d 00 8b 74 24 18 39 73 48 75 5c 8b 74 24 24 39 73 0c 75
>>EIP; c012df40 <d_lookup+64/e0> <=====
Trace; c0129074 <cached_lookup+10/54>
Trace; c01292ef <lookup_dentry+113/1e8>
Trace; c0129482 <open_namei+66/2ec>
Trace; c0122004 <filp_open+44/f0>
Trace; c012224a <sys_open+36/94>
Trace; c01079d4 <system_call+34/40>
Code; c012df40 <d_lookup+64/e0>
00000000 <_EIP>:
Code; c012df40 <d_lookup+64/e0> <=====
0: 8b 6d 00 mov 0x0(%ebp),%ebp <=====
Code; c012df43 <d_lookup+67/e0>
3: 8b 74 24 18 mov 0x18(%esp,1),%esi
Code; c012df47 <d_lookup+6b/e0>
7: 39 73 48 cmp %esi,0x48(%ebx)
Code; c012df4a <d_lookup+6e/e0>
a: 75 5c jne 68 <_EIP+0x68> c012dfa8 <d_lookup+cc/e0>
Code; c012df4c <d_lookup+70/e0>
c: 8b 74 24 24 mov 0x24(%esp,1),%esi
Code; c012df50 <d_lookup+74/e0>
10: 39 73 0c cmp %esi,0xc(%ebx)
Code; c012df53 <d_lookup+77/e0>
Code; c012df53 <d_lookup+77/e0>
13: 75 00 jne 15 <_EIP+0x15> c012df55 <d_lookup+79/e0>

-----------------------------------------------------------------------------
and again, with Su
-----------------------------------------------------------------------------
Unable to handle kernel paging request at virtual address aa17a921
current->tss.cr3 = 0178b000, %cr3 = 0178b000
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c012df40>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010283
eax: c2fe6760 ebx: aa17a909 ecx: 0000001a edx: c2fe0000
esi: 00000030 edi: c263e00f ebp: aa17a921 esp: c1759f38
ds: 0018 es: 0018 ss: 0018
Process su (pid: 10084, process nr: 75, stackpage=c1759000)
Stack: c263e00f 00000000 c2fe6760 c263e00e 00000030 00000001 c0129074
c04b99e0
c1759f80 c1759f80 c01292ef c04b99e0 c1759f80 00000000 c263e000
c263e000
bffff873 00000fff c263e00e 00000001 00000030 c01293ec c263e000
c04b99e0
Call Trace: [<c0129074>] [<c01292ef>] [<c01293ec>] [<c01276b8>]
[<c01079d4>]
Code: 8b 6d 00 8b 74 24 18 39 73 48 75 5c 8b 74 24 24 39 73 0c 75

>>EIP; c012df40 <d_lookup+64/e0> <=====
Trace; c0129074 <put_write_access+64/1cc>
Trace; c01292ef <lookup_dentry+113/1e8>
Trace; c01293ec <__namei+28/58>
Trace; c01276b8 <block_fsync+4c0/534>
Trace; c01079d4 <dump_thread+12b8/2408>
Code; c012df40 <d_lookup+64/e0>
00000000 <_EIP>:
Code; c012df40 <d_lookup+64/e0> <=====
0: 8b 6d 00 mov 0x0(%ebp),%ebp <=====
Code; c012df43 <d_lookup+67/e0>
3: 8b 74 24 18 mov 0x18(%esp,1),%esi
Code; c012df47 <d_lookup+6b/e0>
7: 39 73 48 cmp %esi,0x48(%ebx)
Code; c012df4a <d_lookup+6e/e0>
a: 75 5c jne 68 <_EIP+0x68> c012dfa8 <d_lookup+cc/e0>
Code; c012df4c <d_lookup+70/e0>
c: 8b 74 24 24 mov 0x24(%esp,1),%esi
Code; c012df50 <d_lookup+74/e0>
10: 39 73 0c cmp %esi,0xc(%ebx)
Code; c012df53 <d_lookup+77/e0>
13: 75 00 jne 15 <_EIP+0x15> c012df55 <d_lookup+79/e0>
---------------------------------------------------------------------------------
it also oopsed when compiling, but i was unable to write it down...


also the following happened:
/proc was unmounted, redire
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ignore this line...
/proc was unmounted (ps and co. no longer worked)
redirection resulted in a 'bash: unable to allocate memory'
and file io didn't work (at all)

system specs: Kernel 2.2.14, compiled w/ egcs 1.1.2, Libc 2.1.3, UP pentium/200, 48 mb ram, IDE drive

thanks in advance for any help on this...
David F.

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