Date: Sun, 27 Oct 2002 13:59:30 -0600 (CST) From: Sean Kelly <smkelly@zombie.org> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/44544: Can't kldunload snd_emu10k1.ko Message-ID: <20021027195930.BBA62414D9@edgemaster.zombie.org>
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>Number: 44544 >Category: kern >Synopsis: Can't kldunload snd_emu10k1.ko >Confidential: no >Severity: serious >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Oct 27 12:00:16 PST 2002 >Closed-Date: >Last-Modified: >Originator: Sean Kelly >Release: FreeBSD 5.0-CURRENT i386 >Organization: >Environment: System: FreeBSD edgemaster.zombie.org 5.0-CURRENT FreeBSD 5.0-CURRENT #0: Fri Oct 25 23:27:50 CDT 2002 root@edgemaster.zombie.org:/usr/obj/usr/src/sys/EDGEMASTER i386 FreeBSD Audio Driver (newpcm) Installed devices: pcm0: <Creative EMU10K1> at io 0xcc00 irq 10 (4p/2r/4v channels duplex default) >Description: When attempting to `kldunload snd_emu10k1`, my system panic'd with "don't do that" After looking at kernel source, it looks like this is related to pcm not properly dealing with devfs. See destroy_dev() in sys/kern/kern_conf.c >How-To-Repeat: 1. Load snd_emu10k1.ko 2. Unload snd_emu10k1.ko 3. Watch in horror >Fix: Make pcm use devfs properly? Still investigating. >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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