Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261670AbTIGDiM (ORCPT ); Sat, 6 Sep 2003 23:38:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261486AbTIGDiM (ORCPT ); Sat, 6 Sep 2003 23:38:12 -0400 Received: from play.smurf.noris.de ([192.109.102.42]:7062 "EHLO play.smurf.noris.de") by vger.kernel.org with ESMTP id S262043AbTIGDiI (ORCPT ); Sat, 6 Sep 2003 23:38:08 -0400 From: Matthias Urlichs Organization: {M:U} To: linux-kernel@vger.kernel.org Subject: 2.6: Crash when calling "blockdev --rereadpt" on USB insert Date: Sun, 7 Sep 2003 05:29:55 +0200 User-Agent: KMail/1.5.3 X-Face: xyzzy MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200309070529.55502@smurf.noris.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2707 Lines: 55 I have this snippet in my /etc/hotplug/usb script to mount my USB disk when I insert it: if [ "$PRODUCT" = "58f/9380/100" ]; then find /dev/scsi -name disc | while read a ; do /sbin/blockdev --rereadpt $a done if sudo -u smurf mount /mnt/key ; then echo "#!/bin/sh" > $REMOVER echo "umount -f /mnt/key" >> $REMOVER chmod +x $REMOVER fi fi This works splendidly with 2.4, but 2.6.0.test4 (where it's arguably unnecessary...) dies with this message: Sep 7 05:18:38 linux kernel: Oops: kernel access of bad area, sig: 11 [#1] Sep 7 05:18:38 linux kernel: NIP: C001407C LR: C0072830 SP: DD749DA0 REGS: dd749cf0 TRAP: 0301 Not tainted Sep 7 05:18:38 linux kernel: MSR: 00009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11 Sep 7 05:18:38 linux kernel: DAR: FFFFFFEF, DSISR: 40000000 Sep 7 05:18:38 linux kernel: TASK = caf46940[4768] 'blockdev' Last syscall: 54 Sep 7 05:18:38 linux kernel: GPR00: C0072830 DD749DA0 CAF46940 FFFFFFEF C0293B30 C00930F0 D56A4EFF DD748000 Sep 7 05:18:38 linux kernel: GPR08: C0940000 00000000 00000002 DD748000 82000228 Sep 7 05:18:38 linux kernel: Call trace: Sep 7 05:18:38 linux kernel: [c0072830] dput+0x2c/0x300 Sep 7 05:18:38 linux kernel: [c00931f4] create_dir+0xd4/0xe8 Sep 7 05:18:38 linux kernel: [c0093254] sysfs_create_dir+0x40/0xa4 Sep 7 05:18:38 linux kernel: [c00c0480] create_dir+0x28/0x6c Sep 7 05:18:38 linux kernel: [c00c09f4] kobject_add+0xdc/0x194 Sep 7 05:18:38 linux kernel: [c00c0ad8] kobject_register+0x2c/0x6c Sep 7 05:18:38 linux kernel: [c00907d8] add_partition+0xb8/0xdc Sep 7 05:18:38 linux kernel: [c0090aa8] rescan_partitions+0xf0/0x128 Sep 7 05:18:38 linux kernel: [c00f0ca8] blkdev_reread_part+0x94/0xc4 Sep 7 05:18:38 linux kernel: [c00f0f14] blkdev_ioctl+0x160/0x450 Sep 7 05:18:38 linux kernel: [c006d548] sys_ioctl+0x144/0x364 Sep 7 05:18:38 linux kernel: [c0007b8c] ret_from_syscall+0x0/0x4c This doesn't look like it's PPC specific. I can probably reproduce on i386 if that would be helpful to anybody. -- Matthias Urlichs | {M:U} IT Design @ m-u-it.de | smurf@smurf.noris.de Disclaimer: The quote was selected randomly. Really. | http://smurf.noris.de - - It is better to decide between our enemies than our friends; for one of our friends will most likely become our enemy; but on the other hand, one of your enemies will probably become your friend. -- Bias - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/