special test request for 6.1-BETA1 on ATA disks

Poul-Henning Kamp phk at phk.freebsd.dk
Fri Mar 3 03:27:40 PST 2006

>OK..  I could make the panic go away by zeroing the ata HD (using NetBSD &
>dd ;-).  So whatever it was exactly that caused the panic, it definitely
>was dependent on the data already resident on the HD.

In all likelyhood this is one of the (newer) geom classes or ata raid
probes which doesn't bother to do the right gymnastics to get alignment
of on-disk data right.

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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