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 espe

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 to

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 machin

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 poi

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 con

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

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 (mos