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From: steve@Watt.COM (Steve Watt)
Date: Sun, 19 Dec 2004 14:23:46 -0800
In-Reply-To: Julian Elischer <julian@elischer.org>
       "Re: panic w/ USB<->serial adapter and modem" (Dec 19, 13:46)
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Subject: Re: panic w/ USB<->serial adapter and modem
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On Dec 19, 13:46, Julian Elischer wrote:
} Subject: Re: panic w/ USB<->serial adapter and modem
} Steve Watt wrote:
} > I've got a 5.3-STABLE (updated 19 Nov around 2000PST) machine that
} > has serious difficulty when I attempt to use the modems that are
} > attached via the Prolofic Technology PL2303 serial adapters.  It
} > seems that the kernel panics when carrier drops, during the general
} > TTY cleanup.
} > 
} > Here's a hand-transcribed trace from the one I saw this afternoon.
} > Note that I didn't bother writing down all of the addresses in
} > all of the functions, those are listed as "...".  I include the
} > line number and source line from GDB (ex-post-facto) as well.
} > Some of the latter is guessing, since it wasn't a debug kernel.
} > 
} >  - - - 8< - - - hand-entered off my scribbled notes - - -
} 
} This may be fixed in the ongoing 5 branch after 5.3 (and teh
} 6 branch (-current)) and in the newest 4.x too i think.
} There were problems in the abort code that have been fixed..
} this may relate to your problem.

Do you know roughly when the fix went in?  It's reproducable
enough that I can just try it, though.

Thanks,

[ snip the trace ]

-- 
Steve Watt KD6GGD  PP-ASEL-IA          ICBM: 121W 56' 57.8" / 37N 20' 14.9"
 Internet: steve @ Watt.COM                         Whois: SW32
   Free time?  There's no such thing.  It just comes in varying prices...