geom_gate panic

[Pawel Jakub Dawidek]

On Wed, Dec 22, 2004 at 03:27:35AM +0100, Daniel Eriksson wrote:
+> 
+> Using geom_gate to mount a geom_stripe array from another machine (hooked up
+> through a crossover cable), the following happens when moving large amounts
+> of data:
+> 
+> g_vfs_done():ggate0[WRITE(offset=59507982336, length=131072)]error = 5
+> ...
+> g_vfs_done():ggate0[WRITE(offset=1119618220032, length=131072)]error = 5
+> g_vfs_done():ggate0[WRITE(offset=1062713851904, length=16384)]error = 5
+> g_vfs_done():ggate0[WRITE(offset=1101811367936, length=49152)]error = 5

Error number 5 is EIO. GGATE can generate such an error in some situations
(e.g. queue is full). Please, increase debug level to 1
(kern.geom.gate.debug=1) and send me debug printfs from before panic.

We can see other serious problem here - UFS cannot handle EIOs properly...

-- 
Pawel Jakub Dawidek                       http://www.wheel.pl
pjd at FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!
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