Date: Sun, 19 Dec 2004 14:23:46 -0800 From: steve@Watt.COM (Steve Watt) To: Julian Elischer <julian@elischer.org>, Steve Watt <steve@Watt.COM> Cc: freebsd-usb@freebsd.org Subject: Re: panic w/ USB<->serial adapter and modem Message-ID: <200412192223.iBJMNlK3026093@wattres.watt.com> In-Reply-To: Julian Elischer <julian@elischer.org> "Re: panic w/ USB<->serial adapter and modem" (Dec 19, 13:46)
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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...
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