From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Rankin Subject: [BUG] Sleeping function called from invalid context (2.6.18.6) Date: Sat, 20 Jan 2007 23:06:57 +0000 (GMT) Message-ID: <957323.87386.qm@web52909.mail.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Cc: netdev@vger.kernel.org Return-path: To: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Hi, I have been testing my wireless zd1211rw driver with kismet, but have noticed my logs filling up with these messages instead: BUG: sleeping function called from invalid context at kernel/mutex.c:86 in_atomic():0, irqs_disabled():1 [] mutex_lock+0x12/0x1a [] netdev_run_todo+0x10/0x1f1 [] dev_ioctl+0x465/0x497 [] d_rehash+0x47/0x78 [] sock_attach_fd+0x6c/0xcb [] sock_ioctl+0x0/0x1b3 [] do_ioctl+0x1c/0x5d [] vfs_ioctl+0x241/0x254 [] sys_ioctl+0x2c/0x43 [] syscall_call+0x7/0xb According to the comment in linux/net/core/dev.c * 2) Since we run with the RTNL semaphore not held, we can sleep * safely in order to wait for the netdev refcnt to drop to zero. Well, apparently we can't sleep safely after all because IRQs have been disabled. Cheers, Chris ___________________________________________________________ New Yahoo! Mail is the ultimate force in competitive emailing. Find out more at the Yahoo! Mail Championships. Plus: play games and win prizes. http://uk.rd.yahoo.com/evt=44106/*http://mail.yahoo.net/uk