Re: 6.1-STABLE hangs, ddb shows 'acpi_timer_read'?

2006-10-24 Thread Karl Pielorz
--On 20 October 2006 13:47 +0100 Robert Watson [EMAIL PROTECTED] wrote: I'm just a little hesitant to put it all in, and end up with a machine that's 80% slower :( Depends a lot on your workload. WITNESS used to really, really slow things down for kernel lock intensive workloads (VFS

6.1-STABLE hangs, ddb shows 'acpi_timer_read'?

2006-10-20 Thread Karl Pielorz
Hi All, We've got an HP DL380 server, stacked out with drives running Sendmail. The machine is quite busy (LA rarely below 4 - and it's three 'spindle' sets of RAID drives are always busy). It's probably constantly running 200-300 copies of sendmail, plus an assortment of other processes

Re: 6.1-STABLE hangs, ddb shows 'acpi_timer_read'?

2006-10-20 Thread Kostik Belousov
On Fri, Oct 20, 2006 at 11:56:33AM +0100, Karl Pielorz wrote: I have a crash dump from it - which I've saved (I'm moderately familiar with working with dumps, but this one is split into two?) If anyone has any pointers, or can do some hand holding to get more info from the dump, or what

Re: 6.1-STABLE hangs, ddb shows 'acpi_timer_read'?

2006-10-20 Thread Dominic Marks
On Fri, 20 Oct 2006 11:56:33 +0100 Karl Pielorz [EMAIL PROTECTED] wrote: Hi All, We've got an HP DL380 server, stacked out with drives running Sendmail. The machine is quite busy (LA rarely below 4 - and it's three 'spindle' sets of RAID drives are always busy). It's probably constantly

Re: 6.1-STABLE hangs, ddb shows 'acpi_timer_read'?

2006-10-20 Thread Karl Pielorz
--On 20 October 2006 14:01 +0300 Kostik Belousov [EMAIL PROTECTED] wrote: On Fri, Oct 20, 2006 at 11:56:33AM +0100, Karl Pielorz wrote: I have a crash dump from it - which I've saved (I'm moderately familiar with working with dumps, but this one is split into two?) If anyone has any

Re: 6.1-STABLE hangs, ddb shows 'acpi_timer_read'?

2006-10-20 Thread Ivan Voras
Karl Pielorz wrote: Thanks for the link! Anyone know much is all that lot (such as INVARIANTS/WITNESS) etc. likely to slow the machine down? - A few percent? More? Huge. See http://wikitest.freebsd.org/WitnessPerformance I'm just a little hesitant to put it all in, and end up with a

Re: 6.1-STABLE hangs, ddb shows 'acpi_timer_read'?

2006-10-20 Thread Robert Watson
On Fri, 20 Oct 2006, Karl Pielorz wrote: On Fri, Oct 20, 2006 at 11:56:33AM +0100, Karl Pielorz wrote: I have a crash dump from it - which I've saved (I'm moderately familiar with working with dumps, but this one is split into two?) If anyone has any pointers, or can do some hand holding