Re: 7.1 hangs in cache_lookup mutex?

2009-03-09 Thread Guy Helmer
Guy Helmer wrote: Guy Helmer wrote: John Baldwin wrote: On Thursday 26 February 2009 5:27:07 pm Guy Helmer wrote: John Baldwin wrote: On Thursday 26 February 2009 4:22:15 pm Guy Helmer wrote: db show sleepchain 23110 thread 100181 (pid 23110, vmstat) blocked on sx user map XLOCK

Re: 7.1 hangs in cache_lookup mutex?

2009-02-26 Thread John Baldwin
On Wednesday 25 February 2009 10:02:16 am Guy Helmer wrote: John Baldwin wrote: On Tuesday 24 February 2009 4:46:28 pm Guy Helmer wrote: I think I may have found a clue regarding some of the hangs I'm seeing on FreeBSD 7.1. I have a program (kvoop), compiled under FreeBSD 6 and

Re: 7.1 hangs in cache_lookup mutex?

2009-02-26 Thread Guy Helmer
John Baldwin wrote: On Wednesday 25 February 2009 10:02:16 am Guy Helmer wrote: John Baldwin wrote: On Tuesday 24 February 2009 4:46:28 pm Guy Helmer wrote: I think I may have found a clue regarding some of the hangs I'm seeing on FreeBSD 7.1. I have a program (kvoop),

Re: 7.1 hangs in cache_lookup mutex?

2009-02-26 Thread John Baldwin
On Thursday 26 February 2009 4:22:15 pm Guy Helmer wrote: db show sleepchain 23110 thread 100181 (pid 23110, vmstat) blocked on sx user map XLOCK thread 100208 (pid 23092, kvoop) is on a run queue db show sleepchain 23092 thread 100208 (pid 23092, kvoop) is on a run queue Ah, so this is

Re: 7.1 hangs in cache_lookup mutex?

2009-02-26 Thread Guy Helmer
John Baldwin wrote: On Thursday 26 February 2009 4:22:15 pm Guy Helmer wrote: db show sleepchain 23110 thread 100181 (pid 23110, vmstat) blocked on sx user map XLOCK thread 100208 (pid 23092, kvoop) is on a run queue db show sleepchain 23092 thread 100208 (pid 23092, kvoop) is on a run queue

Re: 7.1 hangs in cache_lookup mutex?

2009-02-26 Thread John Baldwin
On Thursday 26 February 2009 5:27:07 pm Guy Helmer wrote: John Baldwin wrote: On Thursday 26 February 2009 4:22:15 pm Guy Helmer wrote: db show sleepchain 23110 thread 100181 (pid 23110, vmstat) blocked on sx user map XLOCK thread 100208 (pid 23092, kvoop) is on a run queue db show

Re: 7.1 hangs in cache_lookup mutex?

2009-02-25 Thread John Baldwin
On Tuesday 24 February 2009 4:46:28 pm Guy Helmer wrote: I think I may have found a clue regarding some of the hangs I'm seeing on FreeBSD 7.1. I have a program (kvoop), compiled under FreeBSD 6 and using compatibility libraries under FreeBSD 7, that seems to be consistently involved

Re: 7.1 hangs in cache_lookup mutex?

2009-02-25 Thread Guy Helmer
John Baldwin wrote: On Tuesday 24 February 2009 4:46:28 pm Guy Helmer wrote: I think I may have found a clue regarding some of the hangs I'm seeing on FreeBSD 7.1. I have a program (kvoop), compiled under FreeBSD 6 and using compatibility libraries under FreeBSD 7, that seems to be

7.1 hangs in cache_lookup mutex?

2009-02-24 Thread Guy Helmer
I think I may have found a clue regarding some of the hangs I'm seeing on FreeBSD 7.1. I have a program (kvoop), compiled under FreeBSD 6 and using compatibility libraries under FreeBSD 7, that seems to be consistently involved during these hangs. This time, I noticed that many processes are

Re: 7.1 hangs in cache_lookup mutex?

2009-02-24 Thread Kevin Oberman
Date: Tue, 24 Feb 2009 15:46:28 -0600 From: Guy Helmer ghel...@palisadesys.com Sender: owner-freebsd-sta...@freebsd.org I think I may have found a clue regarding some of the hangs I'm seeing on FreeBSD 7.1. I have a program (kvoop), compiled under FreeBSD 6 and using compatibility