From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailrelay2.lanl.gov (localhost.localdomain [127.0.0.1]) by mailwasher-b.lanl.gov (8.12.10/8.12.10/(ccn-5)) with ESMTP id i16M4PHR021722 for ; Fri, 6 Feb 2004 15:04:26 -0700 Subject: 2.6.2-mm1 problem with umounting reiserfs From: Steven Cole Content-Type: text/plain Message-Id: <1076104945.1793.12.camel@spc.esa.lanl.gov> Mime-Version: 1.0 Date: Fri, 06 Feb 2004 15:02:25 -0700 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton Cc: linux-mm@kvack.org List-ID: With kernel 2.6.2-mm1, I got the following when umounting a reiserfs file system. I did not get this with 2.6.2-rc2-mm1 or stock kernel. Base distro is Mandrake 10.0 beta2. System is UP PIII. Steven [root@spc1 steven]# df -T Filesystem Type Size Used Avail Use% Mounted on /dev/hda1 ext3 236M 79M 145M 36% / /dev/hda9 ext3 20G 16G 4.2G 79% /home /dev/hda10 reiserfs 4.0G 1.9G 2.1G 47% /share_r /dev/hda8 ext3 236M 4.1M 220M 2% /tmp /dev/hda6 ext3 2.9G 2.1G 737M 74% /usr /dev/hda7 ext3 479M 198M 257M 44% /var [root@spc1 steven]# umount /dev/hda10 Segmentation fault [root@spc1 steven]# dmesg | tail --lines 40 kjournald starting. Commit interval 5 seconds EXT3 FS on hda6, internal journal EXT3-fs: mounted filesystem with ordered data mode. kjournald starting. Commit interval 5 seconds EXT3 FS on hda7, internal journal EXT3-fs: mounted filesystem with ordered data mode. atkbd.c: Unknown key released (translated set 2, code 0x7a on isa0060/serio0). atkbd.c: This is an XFree86 bug. It shouldn't access hardware directly. atkbd.c: Unknown key released (translated set 2, code 0x7a on isa0060/serio0). atkbd.c: This is an XFree86 bug. It shouldn't access hardware directly. Unable to handle kernel NULL pointer dereference at virtual address 00000000 printing eip: c012a7b2 *pde = 00000000 Oops: 0000 [#1] PREEMPT CPU: 0 EIP: 0060:[] Not tainted VLI EFLAGS: 00210202 EIP is at destroy_workqueue+0x72/0xe0 eax: 00000001 ebx: ca55e000 ecx: cfca3364 edx: 00000000 esi: cfca3360 edi: cfca3320 ebp: cf926670 esp: ca55fe90 ds: 007b es: 007b ss: 0068 Process umount (pid: 1743, threadinfo=ca55e000 task=cd6e5940) Stack: cf926670 00000001 ca55feb8 cfca1200 c04573c0 ca55ff74 c01acc9d cfca3320 cfca1200 cf84d688 c040e963 00000001 00000001 00005c46 cfca1200 cf446d78 ca55fef0 cfca1200 00000000 cfca1200 c019a655 ca55fef0 cfca1200 cf84d688 Call Trace: [] do_journal_release+0x4d/0xe0 [] reiserfs_put_super+0x25/0x180 [] generic_shutdown_super+0x177/0x1e0 [] kill_block_super+0x1d/0x50 [] deactivate_super+0x5f/0xc0 [] sys_umount+0x4b/0x2f0 [] do_munmap+0x296/0x3c0 [] sys_oldumount+0x15/0x19 [] sysenter_past_esp+0x43/0x65 Code: ff 4b 14 8b 43 08 a8 08 75 7d 85 ed 74 08 89 2c 24 e8 63 32 00 00 ff 44 24 04 83 c6 40 8b 44 24 04 85 c0 7e c1 8d 4f 44 8b 51 04 <39> 0a 75 4e 8b 47 44 39 48 04 75 3c 89 50 04 89 02 c7 41 04 00 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: aart@kvack.org