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Date: Mon, 12 May 2003 13:51:02 +0200
From: Martin Haller <mah@LF.net>
To: freebsd-bugs@FreeBSD.org
Message-ID: <20030512115102.GG53797@poldi.LF.net>
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Sender: Martin Haller <mah@poldi.LF.net>
Subject: dump(1) read error
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Hi,

one of our servers (4.7-RELEASE) has a problem while dump is backing
up one partition:

   DUMP: 36.11% done, finished in 6:03                                         
   DUMP: 36.35% done, finished in 6:08                                         
   DUMP: 36.59% done, finished in 6:13                                         
   DUMP: 36.77% done, finished in 6:18                                         
   DUMP:   DUMP: read error from /dev/da1s1e: Invalid argument:
[block -1181365118]: count=10240
 read error from /dev/da1s1e: Invalid argument: [block -1245853402]:
count=9216
   DUMP:   DUMP: read error from /dev/da1s1e: Invalid argument:
[sector -1181365118]: count=512
 read error from /dev/da1s1e: Invalid argument: [sector -1245853402]:
count=512
   DUMP:   DUMP: read error from /dev/da1s1e: Invalid argument:
[sector -1181365117]: count=512
 read error from /dev/da1s1e: Invalid argument: [sector -1245853401]:
count=512
   DUMP: read error from /dev/da1s1e: Invalid argument: [block
-1245853416]: count=7168

The kernel emits the following messages:

May  7 04:32:42 mail /kernel: dscheck(#da/0x2000c): negative b_blkno
-1181365118
May  7 04:32:42 mail /kernel: dscheck(#da/0x2000c): negative b_blkno
-1245853402
May  7 04:32:42 mail /kernel: dscheck(#da/0x2000c): negative b_blkno
-1181365118
May  7 04:32:42 mail /kernel: dscheck(#da/0x2000c): negative b_blkno
-1245853402
[..]

The problem does NOT occour at the same sectors or blocks,
and it happens sporadicly.

Any Hints? Should I create a bug report?

Thanks!
-- 
MfG/Best regards,  Martin Haller <mah@LF.net>
LF.net GmbH        fon +49 711 90074-406
Ruppmannstr. 27    fax +49 711 90074-33                                              
D-70565 Stuttgart