Date: Sun, 30 Apr 2000 21:50:20 +0200 (CEST) From: root@citylink.dinoex.sub.org To: FreeBSD-gnats-submit@freebsd.org Subject: bin/18319: dump: "cannot reopen disk: interrupted system call" Message-ID: <200004301950.VAA18267@citylink.dinoex.sub.org>
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>Number: 18319 >Category: bin >Synopsis: "dump" fails with "cannot reopen disk: interrupted system call" >Confidential: no >Severity: non-critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Apr 30 23:00:00 PDT 2000 >Closed-Date: >Last-Modified: >Originator: Charlie & >Release: FreeBSD 4.0-RELEASE i386 >Organization: Peter Much, Fichtenstrasse 28, D-65527 Niedernhausen, Germany >Environment: IBM ThinkPad 600 IBM 12GB "DARA-212000" Drive atapci0 identifies: "Intel PIIX4 ATA33 controller" Filesystem is made just standard out-of-the-box. Reproduceable with kernel.GENERIC. >Description: When doing an incremental backup with dump on the root filesystem (29MB), or possibly on any small filesystem, and writing to /dev/null or something able to take the data rather fast, then possibly the dump fails and the following output is produced: DUMP: Date of this level 1 dump: Sun Apr 30 21:12:22 2000 DUMP: Date of last level 0 dump: Wed Apr 26 22:18:30 2000 DUMP: Dumping /dev/rad0s3a (/) to /dev/null DUMP: mapping (Pass I) [regular files] DUMP: mapping (Pass II) [directories] DUMP: estimated 91 tape blocks on 0.00 tape(s). DUMP: dumping (Pass III) [directories] DUMP: dumping (Pass IV) [regular files] DUMP: slave couldn't reopen disk: Interrupted system call DUMP: The ENTIRE dump is aborted. >How-To-Repeat: This seems timing-critical, because it did already work some times. And now even after a reboot it always gives this error message. >Fix: At the appropriate place in the sourcecode, if I put a sleep(1) between the close and the open, the problem is gone away. usleep(1) is also good enough. >Release-Note: >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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