Date: Wed, 13 Feb 2013 15:14:37 -0800 From: "Marc G. Fournier" <scrappy@hub.org> To: Rick Macklem <rmacklem@uoguelph.ca> Cc: Konstantin Belousov <kostikbel@gmail.com>, Kostik Belousov <kib@freebsd.org>, freebsd-stable@freebsd.org, John Baldwin <jhb@freebsd.org> Subject: Re: 9-STABLE -> NFS -> NetAPP: Message-ID: <F4BD60BB-6F5F-4E67-BA6D-B4EBC5E3E5BE@hub.org> In-Reply-To: <431606432.2998831.1360795813954.JavaMail.root@erie.cs.uoguelph.ca>
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On 2013-02-13, at 14:50 , Rick Macklem <rmacklem@uoguelph.ca> wrote: > He does get the odd error reported by nfs_getpages() and I don't > think we've isolated why yet. The error is 13 (EACCES), but jhb@ > thought it might be because of the bug he fixed where the krpc > reported EACCES for the EINTR case. I don't think we've heard > back from Marc w.r.t. whether he has gotten any more of these > erros logged since applying jhb@'s patch and whether or not > the errno has changed to EINTR? As mentioned previously, it doesn't happen all that often … this latest one was after 21 days of uptime (or so) … I just upgraded the kernel on that machine to take into consideration changes to hfs *since* the last upgrade, so it might be another 20-30 days before it happens again *if* that last patch didn't' fix it … I have several servers that do have fully operational remote consoles though … to save time if/when it happens next, what do I all need to run? ps auxlH procstat -kk <pid> (for which process? … all part of that "group", or just one of the apparently hung processes?) sysctl debug.kdb.break_to_debugger=1 (shell) <ctl><alt><esc> (from console) now, is there a way of forcing it to do a dump core so that I can run the various commands from a shell *after* its rebooted? Not particularly easy to redirect console output to a file (or is it?), so anything that scrolls off the screen is pretty much lost … I'm using a DRAC card in most cases, no serial consoles or anything like that that I can run within a script session … a 'ps' listing is >500 lines long, just to give an idea ...home | help
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