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Subject[Bugme-new] [Bug 1893] New: running Mozilla's update routine causes kernel oops, reliably! (fwd)
http://bugme.osdl.org/show_bug.cgi?id=1893

Summary: running Mozilla's update routine causes kernel oops,
reliably!
Kernel Version: 2.6.1
Status: NEW
Severity: normal
Owner: acme@conectiva.com.br
Submitter: alangrimes@starpower.net


Distribution: N/A, _VERY_ old installation, mostly a source distro at this point
in time.
Hardware Environment: Athlon SMP, 1gb of ECC ram, (ECC enabled).
Software Environment: ppp 2.4.1, mozilla.
Problem Description: updating mozilla causes dialup connection to drop + kernel
oops,

Steps to reproduce:

1. I beleive that this is a SMP related bug related to the recient preemptive
kernel enhancements...
2. it might be in either the kernel "softirq.c" file or the ppp driver, I don't
know which.
3. I'm using wvdial to dial the modem.
4. I run, in the mozilla source directory, "gmake client.mk checkout" as per the
instructions. This command runs a while then stalls.
5. soon thereafter I get a "peer not responding" error in the wvdial window
associated with this kernel oops:

Badness in local_bh_enable at kernel/softirq.c:121
Call Trace:
[<c012c6dc>] local_bh_enable+0x8c/0x90
[<c02a3f69>] ppp_async_push+0xb9/0x1a0
[<c02a384e>] ppp_asynctty_wakeup+0x2e/0x70
[<c026faa4>] uart_flush_buffer+0x84/0x90
[<c02503ee>] do_tty_hangup+0x40e/0x4b0
[<c0250534>] disassociate_ctty+0x64/0x210
[<c012aa44>] do_exit+0x2b4/0x450
[<c012acb2>] do_group_exit+0x42/0xe0
[<c010b59b>] syscall_call+0x7/0xb

6. this problem is extremely reproducable.
7. versions:
bash-2.05$ ver_linux
If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.

Linux (none) 2.6.1 #2 SMP Sun Jan 11 12:30:36 EST 2004 i686 unknown unknown GNU/
Linux

Gnu C 3.3.2
Gnu make 3.79.1
util-linux 2.11n
mount 2.11n
module-init-tools 0.9.14
e2fsprogs 1.26
jfsutils 1.0.15
reiserfsprogs 3.6.9
pcmcia-cs 3.1.31
nfs-utils 0.3.3
Linux C Library 2.3.2
Dynamic linker (ldd) 2.3.2
Linux C++ Library 5.0.5
Procps 2.0.7
Net-tools 1.60
Kbd 1.08
Sh-utils 5.0
bash-2.05$


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