Date: Fri, 23 Jan 2009 17:14:38 +0100 From: Hans Petter Selasky <hselasky@c2i.net> To: Lars Engels <lme@freebsd.org> Cc: current@freebsd.org, Maksim Yevmenkin <maksim.yevmenkin@gmail.com> Subject: Re: panic: mutex Giant not owned at /usr/src/sys/kern/tty_ttydisc.c:1127 Message-ID: <200901231714.39873.hselasky@c2i.net> In-Reply-To: <20090123154336.GJ60948@e.0x20.net> References: <20090123154336.GJ60948@e.0x20.net>
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On Friday 23 January 2009, Lars Engels wrote: > 0xf12eabd8) at /usr/src/sys/i386/i386/trap.c:318 > #17 0xc0b3fb3b in Hi Lars, Maksim has made a lot of changes to the Bluetooth driver. Maybe he can look into it? This looks like a NULL-pointer access to me. Maksim: In the ubt_detach routine, make sure that: 0) No further commands are accepted from the Netgraph stack. 1) You drain the task queue! 2) You drain all USB transfers: "usb2_transfer_drain()" called unlocked. 3) Set the "sc_node" to NULL. --HPS
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