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SubjectRe: [2.2.0p6: ptrace problem?!]
Chris Evans wrote:
> Hi!
> Used gdb to attach to a running process under 2.2.0p6. And promptly
> received 1000 lines of klog junk, most like
>
> Jan 9 21:23:23 localhost kernel: Process: ipop3d (stack=c14abe80,
> task=c14aa000)
> Jan 9 21:23:23 localhost kernel: [<c014e371>] [<c015b352>] [<c013f55e>]
> [<c013f672>] [<c01218de>] [<c0107a5c>]
> Jan 9 21:23:23 localhost kernel: Process: ipop3d (stack=c14abef0,
> task=c14aa000)
> Jan 9 21:23:23 localhost kernel: [<c01077b7>] [<c01218de>] [<c01218eb>]
> [<c0107aa4>]
>
> I forget what lines like that mean, I thought it was something to do wth
> copying to userspace with interrupts off?? Never mind :)
>
> I can lookup the symbols in System.map if needed - but it's easily
> reproducible.

just an FYI:

i just built and installed 2.2.0-pre6 on my home PC this afternoon.
while running Netscape Communicator to access some complicated
web applications, similar stuff was spewed into my /var/log/messages
file, and Communicator started spinning for minutes at a time.

excerpt from /var/log/messages:

Jan 10 18:56:34 slamburger kernel: Process: netscape (stack=c17b7f94,
task=c17b6000)
Jan 10 18:56:34 slamburger kernel: [<c0109b23>] [<c01089f5>]
Jan 10 18:56:34 slamburger kernel: Process: netscape (stack=c17b7eec,
task=c17b6000)
Jan 10 18:56:34 slamburger kernel: [<c010864d>] [<c01ac96c>] [<c0109935>]
[<c010fb53>] [<c0109b23>] [<c0108954>]
Jan 10 18:56:34 slamburger kernel: Process: netscape (stack=c17b7f84,
task=c17b6000)
Jan 10 18:56:34 slamburger kernel: [<c010bb91>] [<c010897d>]

i've since rebuilt and rebooted the kernel for other reasons, and now
the problem is no longer recurring. this didn't look like anything
specific (like an Ooops.) so i didn't think anything of it until i
saw chris's note.

--
Chuck


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