FreeBSD 5.4-PRERELEASE: panic in ffs_valloc

Ed Schouten ed at
Sat Mar 26 12:47:53 PST 2005

* Kris Kennaway <kris at> wrote:
> Unfortunately that's a relatively common bug that no-one's been able to
> track down yet. It is sometimes associated to failing drives, but not
> always.

I reinstalled my machine yesterday and it Just Works (tm), except for this
warning in my dmesg:

| ad0: WARNING - READ_DMA UDMA ICRC error (retrying request) LBA=49904459

where LBA is always the same number. Does that mean my disk has a bad block?

 Ed Schouten <ed at>
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