try_to_free_inodes oops in vger-1020

Westley Weimer (weimer@wrw3.resnet.cornell.edu)
Fri, 31 Oct 1997 09:12:24 -0500 (EST)


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merentha:~# uname -a
Linux wrw3 2.1.59 #4 Tue Oct 28 20:19:00 EST 1997 i586 unknown
gcc version egcs-2.90.12p 971008 (gcc2-970802 experimental)

This is a standard p100, 32 megs of ram, no history of memory problems,
flaky boards or other weaknesses. The system had been up for around two
days without incident.

It was working fine when I left it at around 9p. The scheduled
maintainence was not run successfully at 4:30a. This morning at 7:30a
the machine was still up and responsive, but any attempt to start a new
process (ie, typing anything other than return at a shell prompt, typing
your name at a login prompt) hung that shell/vt. VT switching still worked
fine. I did not have the opportunity to try to reach the computer over the
network, and was forced to reboot.

Anyway, the syslog had 9 oopses for me. They're all pretty similar, so the
first one is directly present and the remainder are included (with my
.config) in the attachment.

Unable to handle kernel paging request at virtual address 61546578
current->tss.cr3 = 017bf000, Lr3 = 017bf000
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c012f965>]
EFLAGS: 00010216
eax: c1253f08 ebx: 61546574 ecx: 00000000 edx: 00000000
esi: c1bc94e0 edi: c01eede8 ebp: 0000000f esp: c1253ee8
ds: 0018 es: 0018 ss: 0018
Process rm (pid: 3835, process nr: 41, stackpage=c1253000)
Stack: c0208d28 c1bc94e0 00029e14 c1fd1a00 c105cac0 00000000 c1253f08 c1253f08
c1253f08 c1253f08 c012fe7d 00000008 c2c19db2 00029e14 c1bc94e0 c1fd07c0
c1fd07c0 c0124f34 c0da8260 00000000 00029e14 c013e522 c1fd1a00 00029e14
Call Trace: [<c012fe7d>] [<c2c19db2>] [<c0124f34>] [<c013e522>]
[<c012ae44>] [<c012bfb4>] [<c012902f>] [<c01091ba>]
Code: 8b 53 04 8b 03 89 50 04 89 02 8d 4b f8 66 83 79 16 00 75 3f

Using `/raid/cvs/linux/System.map' to map addresses to symbols.

>>EIP: c012f965 <try_to_free_inodes+38/10f>
Code: c012f965 <try_to_free_inodes+38/10f>
Code: c012f965 <try_to_free_inodes+38/10f> 8b 53 04 movl 0x4(%ebx),%edx
Code: c012f968 <try_to_free_inodes+3b/10f> 8b 03 movl (%ebx),%eax
Code: c012f96a <try_to_free_inodes+3d/10f> 89 50 04 movl %edx,0x4(%eax)
Code: c012f96d <try_to_free_inodes+40/10f> 89 02 movl %eax,(%edx)
Code: c012f975 <try_to_free_inodes+48/10f> 8d 4b f8 leal 0xfffffff 8(%ebx),%ecx
Code: c012f978 <try_to_free_inodes+4b/10f> 66 83 79 16 00 cmpw $0x0,0x16(%ecx)
Code: c012f97d <try_to_free_inodes+50/10f> 75 3f jne c012f9b8
<try_to_free_inodes+8b/10f>
Code: c012f985 <try_to_free_inodes+58/10f>

I hope this sort of thing actually helps the developers. Please mail me if
you would like more information or if you know what's going on here.

-Wes Weimer
wrw3@cornell.edu

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