[issue1418] HAMMER and problem with external drive(s)

Matthew Dillon <[e-mail]> added the comment:

There needs to be more context.  What's the exact console output leading up=
 to
that debugger entry?  If there were write errors unrelated to the synchroni=
ze
cache issue then that could certain cascade into a panic.  If it just dropp=
ed
into the debugger on its own it would also have generated a Debugger messag=
e or
a panic message indicating why it did it.

I have fairly low confidence regarding USB-connected storage in general.  T=
here
are probably bugs in the USB driver causing these problems.

-Matt

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