Re: 2.1.65 flaming death.

Dirk Weigenand (
Thu, 20 Nov 1997 03:00:29 +0100 (MET)

> Hi,
> I don't have an oops or anything, but I was attempting to redial my ISP

That would have been helpful. Though i have yet to decode my oopses.

> after someone ICMP'd me, and Linux oop'd, spewed a LONG calltrace, then
> 'aieee, killing interrupt handler' and then it spontaniously rebooted.
> This on a stock 2.1.65 kernel, non SMP, Cyrix 586/100, modem PPP. Nothing
> really special. Just thought that I should post this incase it's helpful
> to some developer(s).

But here is the first oops i received:
>>EIP: c0134388 <select_dcache+fc/184>
Trace: c0133a3e <try_to_free_inodes+36/60>
Trace: c0133ecb <iget+83/90>
Trace: c013fb4b <ext2_lookup+57/7c>
Trace: c012e854 <real_lookup+48/70>
Trace: c012eafb <lookup_dentry+15b/1c4>
Trace: c012ec29 <open_namei+41/308>
Trace: c0125e75 <do_open+49/12c>
Trace: c012606a <sys_open+a6/fc>
Trace: c01096da <system_call+3a/40>

Code: c0134388 <select_dcache+fc/184>
Code: c0134388 <select_dcache+fc/184> 8b 7e 40 movl 0x40(%esi),%edi
Code: c013438b <select_dcache+ff/184> 39 7c 24 14 cmpl %edi,0x14(%esp,1)
Code: c013438f <select_dcache+103/184> 0f 86 51 ff ff jbe ffffff5e <_EIP+ffffff5e>
Code: c013439a <select_dcache+10e/184> ff
Code: c013439b <select_dcache+10f/184> 39 7c 24 18 cmpl %edi,0x18(%esp,1)
Code: c013439f <select_dcache+113/184> 0f 87 47 00 90 ja 9090005e <_EIP+9090005e>
Code: c01343aa <select_dcache+11e/184> 90
Code: c01343ab <select_dcache+11f/184> 90 nop
>>EIP: c0134388 <select_dcache+fc/184>
Trace: c0133a3e <try_to_free_inodes+36/60>
Trace: c0133c98 <get_empty_inode+20/b0>
Trace: c012e367 <get_pipe_inode+7/d8>
Trace: c012e46a <do_pipe+32/1a8>
Trace: c010eebe <sys_pipe+86/e8>
Trace: c0109852 <error_code+32/40>
Trace: c01096da <system_call+3a/40>

coming from:

Unable to handle kernel NULL pointer dereference at virtual address 0000003e
current->tss.cr3 = 01188000, ^\r3 = 01188000
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c0134388>]
EFLAGS: 00010282
eax: 0a3dac93 ebx: c0c85360 ecx: c0c19a60 edx: 00000223
esi: fffffffe edi: 00000000 ebp: 00000000 esp: c12f7ea0
ds: 0018 es: 0018 ss: 0018
Process xemacs (pid: 1283, process nr: 60, stackpage=c12f7000)
Stack: 00000008 00000000 0001b948 c022aeb0 00000008 00000004 00000000 000001c5
00000008 00000000 00000005 c1c68040 c0133a3e 00000003 00000000 0001b948
c021e90c c0133ecb 00000008 0001b948 c1e93e60 c1e8e988 c02b202d c013fb4b
Call Trace: [<c0133a3e>] [<c0133ecb>] [<c013fb4b>] [<c012e854>] [<c012eafb>]
[<c 012ec29>] [<c0125e75>] [<c012606a>] [<c01096da>]
Code: 8b 7e 40 39 7c 24 14 0f 86 51 ff ff ff 39 7c 24 18 0f 87 47

This was also while dialing the university but does not seem to be related
since the trace indicates some problem in the VFS. Afterwards every program
i tried to run dumped core. I was not evend able to shutdown since shutdown

More information available on request (i will post some more oopses related