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Date:      Fri, 1 Feb 2008 16:30:40 +0100 (CET)
From:      "no@spam@mgEDV.net" <nospam@mgedv.net>
To:        freebsd-questions@freebsd.org
Subject:   strange panic: freebsd 6.3: ffs_alloccg: map corrupted
Message-ID:  <f31883b5129f82d0b2b3824c0cd9853de9991fca@standard.lan>

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hi folks,

during copying ~350GB from one volume to another on
the local machine (separate disks, separate fs's) i
get the following panic:

start = 0, len = 23691, fs = /newdata
panic: ffs_alloccg: map corrupted
KDB: enter: panic
[ thread pid 835 tid 10070 ]
stopped at kdb_enter +0x2c:  leave

the destination filesystem i created from scratch
today, and the other which is read from is fsck'd.

because of privacy/security considerations, i cannot
really post the whole configuration of the machine
(like fs-layout, other details, dmesg will be ok if
needed).

the backtrace can be viewed on this image:
http://www.mgedv.at/panic_ffs_alloccg.png

any ideas how to react on this?

cheers...





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