[1.] One line summary of the problem:
Kernel panic asosiated with tcp_v4_destroy_sock
[2.] Full description of the problem/report:
Sametimes (up to 5 times a day, but samedays never) my PC with RedHat
installed ( Alan's kernel 2.2.15pre16, the same problem was
with 2.2.15pre4 and 2.2.15pre12 - all I've tryed) shows me:
Kernel panic: Attempting to kill the idle task!
In swaper task - not syncing
Before this in log files appears:
kernel: Warning: kfree_skb passed an skb steel on a list (from cXXXXXXXX)
It offten hapens after the FTP sesion closed
[3.] Keywords (i.e., modules, networking, kernel):
tcp_v4_destroy_sock, kfree_skb, Kernel panic
[4.] Kernel version (from /proc/version):
Linux version 2.2.15pre16
[5.] Output of Oops.. message (if applicable) with symbolic information
resolved (see Documentation/oops-tracing.txt)
Unable to handle kernel NULL pointer derefence of virtual address 00000004
current->tss.cr3=00101000 %cr3=00101000
*pde=00000000
Oops: 0002
CPU: 0
EIP: 0010:[<c016112f>]
EFLAGS: 00010206
eax: 00000000 ebx: c11dfd54 ecx: c1a84fe0 edx: c1c04000
esi: c11dfd00 edi: c11dfdb0 ebp: c01c7f4c esp: c01c7f08
ds: 0018 es: 0018 ss: 0018
>>EIP: c016112f <tcp_v4_destroy_sock+4b/d0>
[6.] A small shell script or example program which triggers the
problem (if possible)
I can't suply any script able to trigger the problem
[7.] Environment
[7.1.] Software (add the output of the ver_linux script here)
-- Versions installed: (if some fields are empty or looks
-- unusual then possibly you have very old versions)
Linux pallada.lviv.net 2.2.15pre16 #1 Sun Apr 2 19:58:19 EEST 2000 i586 unknown
Kernel modules 2.1.121
Gnu C egcs-2.91.66
Binutils 2.9.1.0.23
Linux C Library 2.1.1
Dynamic linker ldd (GNU libc) 2.1.1
Procps 2.0.2
Mount 2.9o
Net-tools 1.52
Console-tools 1999.03.02
Sh-utils 1.16
Modules Loaded sbni tulip via-rhine
[7.2.] Processor information (from /proc/cpuinfo):
processor : 0
vendor_id : GenuineIntel
cpu family : 5
model : 4
model name : Pentium MMX
stepping : 3
cpu MHz : 166.588270
fdiv_bug : no
hlt_bug : no
sep_bug : no
f00f_bug : yes
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr mce cx8 mmx
bogomips : 332.60
[7.3.] Module information (from /proc/modules):
sbni 11536 2 (autoclean)
tulip 31716 1 (autoclean)
via-rhine 9192 1 (autoclean)
[7.4.] SCSI information (from /proc/scsi/scsi)
None
[7.5.] Other information that might be relevant to the problem
(please look in /proc and include all information that you
think to be relevant):
None
[X.] Other notes, patches, fixes, workarounds:
I've installed latest sbni drivers version 3.3.0 from
http://www.granch.ru/filez/linuxlet.tgz,
becose others have many problems with bilding TCP/IP packets.
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