Date: Wed, 28 Oct 2009 12:40:02 GMT From: Alban Hertroys <dalroi@solfertje.student.utwente.nl> To: freebsd-usb@FreeBSD.org Subject: Re: usb/139990: Kernel frequently panics after printing Message-ID: <200910281240.n9SCe2Ls093655@freefall.freebsd.org>
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The following reply was made to PR usb/139990; it has been noted by GNATS. From: Alban Hertroys <dalroi@solfertje.student.utwente.nl> To: bug-followup@FreeBSD.org Cc: Subject: Re: usb/139990: Kernel frequently panics after printing Date: Wed, 28 Oct 2009 13:14:02 +0100 An apparent fix was found with: >> Could you please try to change the callout_stop() call here : >> >> http://fxr.watson.org/fxr/source/dev/usb/ulpt.c?v=FREEBSD7#L605 >> >> By a callout_drain(), and see what happens ? >> Something like : >> >> if (sc->sc_has_callout) { >> - callout_stop(&sc->sc_read_callout); >> + callout_drain(&sc->sc_read_callout); >> sc->sc_has_callout = 0; >> } >> >> If this change does not help, I don't know... > > I printed several documents today without a kernel panic, so the > change appears to have worked. Thanks! Alban Hertroys -- Screwing up is the best way to attach something to the ceiling. !DSPAM:984,4ae8358b11079570670080!
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