Re: Blocked process

2009-09-08 Thread Daniel O'Connor
On Thu, 20 Aug 2009, Daniel O'Connor wrote: Unfortunately the system is in Finland and I'm in Australia so I can't sit at the console :( Someone visited the site and determined that the floppy drive cable was intermittently fouling the CPU fan. I believe this was causing the CPU to overheat

Re: Blocked process

2009-08-22 Thread Daniel O'Connor
On Fri, 21 Aug 2009, CmdLnKid wrote: came back or the machine was rebooted. I continued for a while using /var/mail over NFS while setting or unset mail variables for the shell. You may also want to check into whether something is trying to acquire a lock on a file over that NFS mount which

Re: Blocked process

2009-08-22 Thread Robert Watson
On Sat, 22 Aug 2009, Daniel O'Connor wrote: On Fri, 21 Aug 2009, CmdLnKid wrote: came back or the machine was rebooted. I continued for a while using /var/mail over NFS while setting or unset mail variables for the shell. You may also want to check into whether something is trying to acquire

Re: Blocked process

2009-08-22 Thread Daniel O'Connor
On Sat, 22 Aug 2009, Robert Watson wrote: On Sat, 22 Aug 2009, Daniel O'Connor wrote: On Fri, 21 Aug 2009, CmdLnKid wrote: came back or the machine was rebooted. I continued for a while using /var/mail over NFS while setting or unset mail variables for the shell. You may also want to

Re: Blocked process

2009-08-20 Thread Bob Bishop
Hi, On 20 Aug 2009, at 03:34, Daniel O'Connor wrote: [...] The problem appears to now be that the userland process that reads data out of the kernel is being stalled for over 4 seconds. This process reads from the kernel and does some minor processing and then writes it out to a child

Re: Blocked process

2009-08-20 Thread Daniel O'Connor
On Thu, 20 Aug 2009, Bob Bishop wrote: Hi, On 20 Aug 2009, at 03:34, Daniel O'Connor wrote: [...] The problem appears to now be that the userland process that reads data out of the kernel is being stalled for over 4 seconds. This process reads from the kernel and does some minor

Re: Blocked process

2009-08-20 Thread Bob Bishop
On 20 Aug 2009, at 08:25, Daniel O'Connor wrote: This is running in 6.2 ish using 4BSD, I was under the impression ULE wasn't very stable in 6.2. I could probably try it though... Hmm. ISTR having similar problems around the 6.1-2 era. You might try 6.4 if that's possible for you. --

Re: Blocked process

2009-08-20 Thread Daniel O'Connor
On Thu, 20 Aug 2009, Bob Bishop wrote: On 20 Aug 2009, at 08:25, Daniel O'Connor wrote: This is running in 6.2 ish using 4BSD, I was under the impression ULE wasn't very stable in 6.2. I could probably try it though... Hmm. ISTR having similar problems around the 6.1-2 era. You might

Re: Blocked process

2009-08-20 Thread Daniel O'Connor
On Thu, 20 Aug 2009, Daniel O'Connor wrote: On Thu, 20 Aug 2009, Bob Bishop wrote: On 20 Aug 2009, at 08:25, Daniel O'Connor wrote: This is running in 6.2 ish using 4BSD, I was under the impression ULE wasn't very stable in 6.2. I could probably try it though... Hmm. ISTR having

Re: Blocked process

2009-08-20 Thread Bob Bishop
On 20 Aug 2009, at 12:06, Daniel O'Connor wrote: On Thu, 20 Aug 2009, Daniel O'Connor wrote: On Thu, 20 Aug 2009, Bob Bishop wrote: On 20 Aug 2009, at 08:25, Daniel O'Connor wrote: This is running in 6.2 ish using 4BSD, I was under the impression ULE wasn't very stable in 6.2. I could

Re: Blocked process

2009-08-20 Thread Kostik Belousov
On Thu, Aug 20, 2009 at 12:35:46PM +0100, Bob Bishop wrote: On 20 Aug 2009, at 12:06, Daniel O'Connor wrote: On Thu, 20 Aug 2009, Daniel O'Connor wrote: On Thu, 20 Aug 2009, Bob Bishop wrote: On 20 Aug 2009, at 08:25, Daniel O'Connor wrote: This is running in 6.2 ish using 4BSD, I was

Re: Blocked process

2009-08-20 Thread Daniel O'Connor
On Thu, 20 Aug 2009, Kostik Belousov wrote: Things like ls on the console might take several seconds to respond when the box didn't seem to be very busy (but wasn't idle, maybe serving a little NFS). It wasn't the shell getting swapped out or anything else obvious. This was on SMP, not

Re: Blocked process

2009-08-20 Thread CmdLnKid
On Thu, 20 Aug 2009 08:42 -, doconnor wrote: On Thu, 20 Aug 2009, Kostik Belousov wrote: Things like ls on the console might take several seconds to respond when the box didn't seem to be very busy (but wasn't idle, maybe serving a little NFS). It wasn't the shell getting swapped out or

Blocked process

2009-08-19 Thread Daniel O'Connor
Hi, We have several systems doing data acquisition and I had originally thought we were seeing the interrupt handler for out PCI card not being called quickly enough, however I misread the diagnostics :) The digitised data is fed into a FIFO and when it is part full (32kbytes) an interrupt is

Re: What denotes a 'blocked' process?

2006-06-27 Thread Peter Jeremy
Looking at the sources: The 'blocked' column in vmstat is the sum of (struct vmtotal).t_dw /* jobs in ``disk wait'' (neg priority) */ and (struct vmtotal).t_pw /* jobs in page wait */ 'systat -v' splits these into two fields (Proc:d and Proc:p) as does sysctl vm.vmtotal It's difficult to map

What denotes a 'blocked' process?

2006-06-26 Thread Marc G. Fournier
Just upgraded to June 15th sources, started up all the processes, and am already at 29 blocked processes ... I've checked for states D, E and L ... nothing ... Actually, let's go one better ... attached is a complete list of my process table (MWCHAN, STATE, COMMAND) ... right now, vmstat is

Re: What denotes a 'blocked' process?

2006-06-26 Thread Marc G. Fournier
On Mon, 26 Jun 2006, Marc G. Fournier wrote: Just upgraded to June 15th sources, started up all the processes, and am already at 29 blocked processes ... I've checked for states D, E and L ... nothing ... Actually, let's go one better ... attached is a complete list of my process table

Re: What denotes a 'blocked' process?

2006-06-26 Thread Kostik Belousov
On Mon, Jun 26, 2006 at 12:44:17PM -0300, Marc G. Fournier wrote: On Mon, 26 Jun 2006, Marc G. Fournier wrote: Just upgraded to June 15th sources, started up all the processes, and am already at 29 blocked processes ... I've checked for states D, E and L ... nothing ... Actually,

Re: What denotes a 'blocked' process?

2006-06-26 Thread Marc G. Fournier
On Mon, 26 Jun 2006, Kostik Belousov wrote: Dumb unmotivated question: do you have nfs exports on this machine ? neither nfs nor mountd are currently running ... Marc G. Fournier Hub.Org Networking Services (http://www.hub.org) Email . [EMAIL PROTECTED]