Date: Thu, 9 Sep 2004 14:03:07 -0400 From: Brian Fundakowski Feldman <green@FreeBSD.org> To: Warner Losh <imp@FreeBSD.org> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/dev/usb ugen.c Message-ID: <20040909180306.GM928@green.homeunix.org> In-Reply-To: <200409091749.i89Hnrnj020760@repoman.freebsd.org> References: <200409091749.i89Hnrnj020760@repoman.freebsd.org>
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On Thu, Sep 09, 2004 at 05:49:53PM +0000, Warner Losh wrote: > imp 2004-09-09 17:49:53 UTC > > FreeBSD src repository > > Modified files: > sys/dev/usb ugen.c > Log: > For the moment, back out my back out of green's 1.87 commit. While it > produced better results for a test program I had here, it didn't > substantially change the number of crashes that I saw. Both the old > code and the new code seemed to produce the same crashes from the usb > layer. Since the new code also solves a close() crash, go with it > until the underlying issues wrt devices going away can be addressed. I'll try making ugen(4) a little smarter about this later today and make the "endpoint open" references to wait upon before detaching along with the "in blocking operation" references. Or just make an open-count. -- Brian Fundakowski Feldman \'[ FreeBSD ]''''''''''\ <> green@FreeBSD.org \ The Power to Serve! \ Opinions expressed are my own. \,,,,,,,,,,,,,,,,,,,,,,\
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