linux-kernel - [Regression] Bluetooth RFComm: using it locks up the machine

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Message-ID: <45EADD78.1030300@rtr.ca>
Date:	Sun, 04 Mar 2007 09:53:44 -0500
From:	Mark Lord <lkml@....ca>
To:	Linux Kernel <linux-kernel@...r.kernel.org>,
	bluez-devel@...ts.sf.net, marcel@...tmann.org,
	Andrew Morton <akpm@...l.org>
Subject: [Regression] Bluetooth RFComm:  using it locks up the machine

Any attempt to open/use a bluetooth rfcomm device locks up
scheduling completely on my machine.

Interrupts (ping, alt-sysrq) seem to be alive, but nothing else.

This was working fine in 2.6.20, broken now in 2.6.21-rc2-git*

Mar  4 09:43:52 silvy kernel: Bluetooth: L2CAP ver 2.8
Mar  4 09:43:52 silvy kernel: Bluetooth: L2CAP socket layer initialized
Mar  4 09:43:52 silvy kernel: Bluetooth: RFCOMM socket layer initialized
Mar  4 09:43:52 silvy kernel: Bluetooth: RFCOMM TTY layer initialized
Mar  4 09:43:52 silvy kernel: Bluetooth: RFCOMM ver 1.8

More info attached.

Cheers

View attachment "lsusb_grep_bluetooth.txt" of type "text/plain" (9428 bytes)