g_vfs_done with offset greater than disk size

Steven Hartland killing at multiplay.co.uk
Mon Mar 6 03:44:52 UTC 2006

I've been trying to get a problem fixed with a Highpoint 1820a crashing
out with errors like:
kernel: IAL: COMPLETION ERROR, adapter 0, channel 2, flags=104
kernel: ATA regs: error 10, sector count 20, LBA low ff, LBA mid ff, LBA high ff, device 4f, status 51
which results in the disk being dropped from the array.

A sharp eyed engineer at Highpoint has just spotted the fact that the
read error reported later is well beyond the end of the array ( 750Gb ):
kernel: g_vfs_done():da0s1h[READ(offset=535260184576,length=131072)]error = 5

As such is it possible there is a problem in the FS that fsck is not detecting
which could be causing this behaviour when an rsync ( read only ) is
performed against it?

If there is indeed a vfs error which fsck is not detecting how would I
go about:
1. finding it
2. fixing it


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