on 04/12/2010 16:40 Bruce Cran said the following:
> I've been having problems with a card reader
> and an 8GB SD card
> I'm trying to use. FreeBSD 9-CURRENT will regularly display the
> following error which causes all IO to stop:
> (da0:umass-sim0:0:0:0): AutoSense failed
As I understand, "AutoSense" is an automatic fetching of sense data in case of
error. Strange that that error is not reported here. It would give a much
idea of what was going on.
> g_vfs_done():da0s1[READ(offset=6782976, length=36864)]error = 5
> vnode_pager_getpages: I/O read error
> vm_fault: pager read error, pid 2986 (cp)
> I tried setting hw.usb.umass.debug=1 but there was no extra debug
> output; setting hw.usb.ehci.debug=1 or hw.usb.debug=1 results in
> lots of output that I'm not sure is useful.
> What would I need to do to help debug what's going wrong?
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