Date: Wed, 4 Aug 2004 09:35:36 GMT From: Maciej Cetler <airot@mud.pl> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/69989: killing process that uses snp + unloading module + listing /dev = page fault Message-ID: <200408040935.i749Zaln033282@www.freebsd.org> Resent-Message-ID: <200408040940.i749eQVW040679@freefall.freebsd.org>
next in thread | raw e-mail | index | archive | help
>Number: 69989 >Category: kern >Synopsis: killing process that uses snp + unloading module + listing /dev = page fault >Confidential: no >Severity: non-critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Aug 04 09:40:26 GMT 2004 >Closed-Date: >Last-Modified: >Originator: Maciej Cetler >Release: 4.9-STABLE >Organization: Non Profit Organization >Environment: FreeBSD security.localnet 4.9-STABLE FreeBSD 4.9-STABLE #1: Tue Feb 3 22:04:21 CET 2004 root@:/usr/obj/usr/src/sys/jenny i386 >Description: When you load snp as module, create snp0 node in /dev, start watch on some tty, kill it, unload the module and then list /dev you get page fault. >How-To-Repeat: kldload snp; (cd /dev;sh MAKEDEV snp0); watch ttyv0 On second terminal: killall -9 watch; kldunload snp; ls -l /dev/snp* Boom. >Fix: Not known, but probably cleaning up would be good idea. >Release-Note: >Audit-Trail: >Unformatted:
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200408040935.i749Zaln033282>