[Bug 132960] [ufs] [panic] panic:ffs_blkfree: freeing free frag

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=132960

Kirk McKusick <mckusick at FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |Not Enough Information
                 CC|                            |mckusick at FreeBSD.org
             Status|Open                        |Closed

--- Comment #6 from Kirk McKusick <mckusick at FreeBSD.org> ---
This panic occurs when a disk write has an unrecoverable or undetected failure.
Thus without further information on disk error statistics, it is impossible to
determine what caused it. Several bugs have been fixed that used to lead to the
``fsync: giving up on dirty'' error (which was often triggered by earlier write
failures). And there is on-going work to better handle write failures so that
the filesystem is taken offline rather than crashing the system when disks
fail.

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