NetBSD Problem Report #39187

From apb@cequrux.com  Mon Jul 21 20:27:50 2008
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Date: Mon, 21 Jul 2008 20:25:06 +0000 (UTC)
From: apb@cequrux.com
To: gnats-bugs@gnats.NetBSD.org
Subject: sysetm crash when killing pppd
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>Number:         39187
>Category:       kern
>Synopsis:       sysetm crash when killing pppd
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Jul 21 20:30:02 +0000 2008
>Originator:     Alan Barrett
>Release:        NetBSD 4.99.69
>Organization:
Not much
>Environment:
System: NetBSD 4.99.69
Architecture: i386
Machine: i386
>Description:
	The system crashed when I killed a pppd process.

	I was in X at the time, and could not switch to the text console
	or enter ddb or obtain a kernel core dump.

	The pppd process was accessing a com port on a pcmcia card at the
	time of the crash.

>How-To-Repeat:
	Insert pcmcia modem card (com at pcmcia at cardslot at cbb at
	pci).

	Run pppd.

	kill -1 ${pid_of_pppd}

	watch system crash.
>Fix:
	Unknown, but possibly related to PR 39035 and PR 39131.  (It was the
	same modem card in all these PRs.)

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