Date: Thu, 12 Nov 1998 07:51:03 +0800 (IS) From: Alexandr Murin <maw@iaia.irk.ru> To: FreeBSD-gnats-submit@FreeBSD.ORG Subject: kern/8655: Umount trouble of SCSI removable device Message-ID: <199811112351.HAA08428@iaia.irk.ru>
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>Number: 8655 >Category: kern >Synopsis: Umount trouble of SCSI removable device >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Nov 11 16:10:00 PST 1998 >Last-Modified: >Originator: Alexandr Murin >Organization: JSC "Irkutsk Aviation Industrial Association" >Release: FreeBSD 3.0-19980804-SNAP i386 >Environment: i133/32Mb RAM with SCSI AHA1540 on ISA bus >Description: If I do: 1. umount /dev/od 2. fsck /dev/od0s1 3. Remove Optic Media 4. Insert Optic Media 5. mount /dev/ods1 all ok. If I do this except (2) - I can't do (5). Reason founded by fsck /dev/od0s1: "CLEAN FLAG NOT SET IN SUPERBLOCK" It is look like umount don't flush SCSI cash. If I do umount device with UFS, remove it, insert media with VFAT, try mount it - I get "System Panic" message and finally automatic reboot. >How-To-Repeat: This repeat as often as I do Remove/Insert media. >Fix: Try to run "fsck device" after dismount device, but this not good way. In 3.0-SNAP199802xx this trouble is not appeared. >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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