Date: Sat, 5 Nov 2011 13:47:03 -0400 From: Mark Johnston <markjdb@gmail.com> To: Brandon Falk <falkman@gamozo.org> Cc: freebsd-hackers@freebsd.org Subject: Re: cdparanoia stuck in cbwait Message-ID: <20111105174703.GA2666@pikachu.uwaterloo.ca> In-Reply-To: <20111105170940.GC50362@localhost> References: <20111105164212.GB50362@localhost> <20111105164802.GA50515@raichu.mark-home> <20111105170940.GC50362@localhost>
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On Sat, Nov 05, 2011 at 01:09:40PM -0400, Brandon Falk wrote: > On Sat, Nov 05, 2011 at 12:48:02PM -0400, Mark Johnston wrote: > > On Sat, Nov 05, 2011 at 12:42:12PM -0400, Brandon Falk wrote: > > > Hello, > > > > > > I was got some read errors when I was reading from my disk, which is > > > fine. But then cdparanoia starting to no longer respond. Now it's > > > zombied and sitting in cbwait. `kill -9 <pid>` does not take it down, it > > > seems like it's stuck in the kernel (?). Is this an issue to look at > > > cdparanoia for, or to look in the kernel? Perhaps cdparanoia or the > > > kernel should have some sort of a timeout? Currently it looks like the > > > only fix is a full reboot. > > > > I've seen this problem a couple of times on -BETA2 as well. I haven't > > had time to try and figure out what's causing it, but a camcontrol reset > > of the bus will "fix" the problem without a reboot IIRC. > > > > -Mark > > No luck on the reset. When I reset, it says it was reset successfully, > but cdparanoia still sits zombied, and nothing changes. If I do > `camcontrol stop`, camcontrol hangs and becomes a zombie too (until I > kill it's parent process) Hm, perhaps I'm misremembering it. I'll try to reproduce it when I get a chance.
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