> -----Original Message----- > From: linux-ppp-owner@xxxxxxxxxxxxxxx [mailto:linux-ppp- > owner@xxxxxxxxxxxxxxx] On Behalf Of James Carlson > Sent: Wednesday, January 20, 2010 6:26 AM > To: Leslie Rhorer > Cc: linux-ppp@xxxxxxxxxxxxxxx > Subject: Re: pppd hangs on SIGHUP > > Leslie Rhorer wrote: > > nothing whatsoever. The only way (of which I know) to release the > terminal > > (/cev/ttyACM0) is to send a SIGKILL. After doing so, /dev/ttyACM0 is > > released, and I can use a utility such as minicom to access the modem. > I > > can dial out and get a carrier. I can see the ppp authentication > request > > from the ISP. What I cannot do, however, is get pppd to come back up. > If I > > start pppd again, it opens the /dev/ttyACM0 device and creates the > lockfile, > > but it does not attempt to run chat or evidently do anything else other > than > > refresh the lockfile if it is stale. My only option at that point is to > > If you attach a debugger to it, can you find out where it's stuck? (Or > at least run "pstack `pgrep pppd`"?) I'll try that. Right now the system is in the middle of a 72 hour test, but after that I'll force a hang and see what I get. > The symptoms sound like a kernel bug, but it's hard to tell. -- To unsubscribe from this list: send the line "unsubscribe linux-ppp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
