Re: FreeBSD 6.3 deadlock (vm_map?) with DDB output

2008-06-30 Thread Stef
John Baldwin wrote: On Sunday 15 June 2008 07:23:19 am Stef Walter wrote: I've been trying to track down a deadlock on some newish production servers running FreeBSD 6.3-RELEASE-p2. The deadlock occurs on a specific (although mundane) hardware configuration, and each of several servers

Re: FreeBSD 6.3 deadlock (vm_map?) with DDB output

2008-06-24 Thread John Baldwin
On Monday 23 June 2008 03:16:40 pm James Gritton wrote: John Baldwin wrote: On Thursday 19 June 2008 11:57:51 am James Gritton wrote: John Baldwin wrote: On Sunday 15 June 2008 07:23:19 am Stef Walter wrote: I've been trying to track down a deadlock on some

Re: FreeBSD 6.3 deadlock (vm_map?) with DDB output

2008-06-23 Thread John Baldwin
On Thursday 19 June 2008 11:57:51 am James Gritton wrote: John Baldwin wrote: On Sunday 15 June 2008 07:23:19 am Stef Walter wrote: I've been trying to track down a deadlock on some newish production servers running FreeBSD 6.3-RELEASE-p2. The deadlock occurs on a specific (although

Re: FreeBSD 6.3 deadlock (vm_map?) with DDB output

2008-06-23 Thread James Gritton
John Baldwin wrote: On Thursday 19 June 2008 11:57:51 am James Gritton wrote: John Baldwin wrote: On Sunday 15 June 2008 07:23:19 am Stef Walter wrote: I've been trying to track down a deadlock on some newish production servers running FreeBSD 6.3-RELEASE-p2. The deadlock

Re: FreeBSD 6.3 deadlock (vm_map?) with DDB output

2008-06-19 Thread James Gritton
John Baldwin wrote: On Sunday 15 June 2008 07:23:19 am Stef Walter wrote: I've been trying to track down a deadlock on some newish production servers running FreeBSD 6.3-RELEASE-p2. The deadlock occurs on a specific (although mundane) hardware configuration, and each of several servers

Re: FreeBSD 6.3 deadlock (vm_map?) with DDB output

2008-06-18 Thread John Baldwin
On Sunday 15 June 2008 07:23:19 am Stef Walter wrote: I've been trying to track down a deadlock on some newish production servers running FreeBSD 6.3-RELEASE-p2. The deadlock occurs on a specific (although mundane) hardware configuration, and each of several servers running this hardware

Re: FreeBSD 6.3 deadlock (vm_map?) with DDB output

2008-06-18 Thread Stef
John Baldwin wrote: Try this change: jhb 2007-10-27 22:07:40 UTC snip We use it at work on 6.x. W/o this fix, round-robin stops working on 4BSD when softclock() (swi4: clock) blocks on a lock like Giant. Awesome. Thanks. That looks like it'll do the trick. I'll deploy it and