Date: Thu, 11 Dec 2003 14:59:04 -0800 From: "Kevin Oberman" <oberman@es.net> To: Nate Lawson <nate@root.org> Cc: current@freebsd.org Subject: Re: Tracking down ata0 reset hang Message-ID: <20031211225904.202205D04@ptavv.es.net> In-Reply-To: Message from Nate Lawson <nate@root.org> of "Thu, 11 Dec 2003 13:13:15 PST." <20031211130934.Y50668@root.org>
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> Date: Thu, 11 Dec 2003 13:13:15 -0800 (PST) > From: Nate Lawson <nate@root.org> > Sender: owner-freebsd-current@freebsd.org > > I have a laptop that suspends and resumes fine. Soeren's patch to > properly reset the hardware after the ATAng import fixed the problem where > resuming would hang in ata0 reset with the hard drive light on. > > Sometime in the last month or two, the ATA reset phase of resume has begun > hanging again with the drive light on and I can't break to the debugger. > The interesting data point is that if I suspend/resume in single user > mode, it works fine, including the reset. But in multi-user mode, it > hangs. I'm trying to disable various services to see if any of them > triggers the hang. > > Has anyone else seen this regression? I see it, but it's not a regression for me. Ever since ATAng was merged into HEAD, I've had this problem and Soeren's patch did not seem to help. I have not tried suspending in stand-alone mode, but I will give it a try a little later today. -- R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: oberman@es.net Phone: +1 510 486-8634
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