Re: Dual XEON - >>SLOW<< on SMP

2000-11-13 Thread Marc Lehmann
On Sun, Nov 12, 2000 at 11:22:02PM -0700, "Jeff V. Merkey" <[EMAIL PROTECTED]> wrote: > I can go and get the text from our discussion, and I distinctly remember > your answer to this question on PII and you said "lots". This was also a Well, my mail certainly contained the words "lot" (not

Re: Dual XEON - >>SLOW<< on SMP

2000-11-13 Thread James A . Sutherland
On Mon, 13 Nov 2000, Jeff V. Merkey wrote: > On Sat, Nov 11, 2000 at 08:26:55PM +0100, Marc Lehmann wrote: > > On Tue, Nov 07, 2000 at 04:03:25PM -0700, "Jeff V. Merkey" ><[EMAIL PROTECTED]> wrote: > > > > > > Marc Lehman verified that PII systems will generate tons of AGIs with > > > gcc. > >

Re: Dual XEON - SLOW on SMP

2000-11-13 Thread James A . Sutherland
On Mon, 13 Nov 2000, Jeff V. Merkey wrote: On Sat, Nov 11, 2000 at 08:26:55PM +0100, Marc Lehmann wrote: On Tue, Nov 07, 2000 at 04:03:25PM -0700, "Jeff V. Merkey" [EMAIL PROTECTED] wrote: Marc Lehman verified that PII systems will generate tons of AGIs with gcc. It is a bit

Re: Dual XEON - SLOW on SMP

2000-11-13 Thread Marc Lehmann
On Sun, Nov 12, 2000 at 11:22:02PM -0700, "Jeff V. Merkey" [EMAIL PROTECTED] wrote: I can go and get the text from our discussion, and I distinctly remember your answer to this question on PII and you said "lots". This was also a Well, my mail certainly contained the words "lot" (not

Re: Dual XEON - >>SLOW<< on SMP

2000-11-12 Thread Jeff V. Merkey
On Sat, Nov 11, 2000 at 08:26:55PM +0100, Marc Lehmann wrote: > On Tue, Nov 07, 2000 at 04:03:25PM -0700, "Jeff V. Merkey" <[EMAIL PROTECTED]> >wrote: > > > > Marc Lehman verified that PII systems will generate tons of AGIs with > > gcc. > > It is a bit late (just came back from the

Re: Dual XEON - SLOW on SMP

2000-11-12 Thread Jeff V. Merkey
On Sat, Nov 11, 2000 at 08:26:55PM +0100, Marc Lehmann wrote: On Tue, Nov 07, 2000 at 04:03:25PM -0700, "Jeff V. Merkey" [EMAIL PROTECTED] wrote: Marc Lehman verified that PII systems will generate tons of AGIs with gcc. It is a bit late (just came back from the systems'00 fair), but

Re: Dual XEON - >>SLOW<< on SMP

2000-11-11 Thread Marc Lehmann
On Tue, Nov 07, 2000 at 04:03:25PM -0700, "Jeff V. Merkey" <[EMAIL PROTECTED]> wrote: > > Marc Lehman verified that PII systems will generate tons of AGIs with > gcc. It is a bit late (just came back from the systems'00 fair), but Jeff Merkey just acknowledged that indeed he meant me with

Re: Dual XEON - SLOW on SMP

2000-11-11 Thread Marc Lehmann
On Tue, Nov 07, 2000 at 04:03:25PM -0700, "Jeff V. Merkey" [EMAIL PROTECTED] wrote: Marc Lehman verified that PII systems will generate tons of AGIs with gcc. It is a bit late (just came back from the systems'00 fair), but Jeff Merkey just acknowledged that indeed he meant me with "Marc

Re: Dual XEON - >>SLOW<< on SMP

2000-11-08 Thread Jeff V. Merkey
On Wed, Nov 08, 2000 at 09:28:54AM -0500, Richard B. Johnson wrote: > On Tue, 7 Nov 2000, Jeff V. Merkey wrote: > > > > > Marc Lehman verified that PII systems will generate tons of AGIs with > > gcc. Perhaps this is the cause of this problem. You could run EMON and > > see if there is

Re: Dual XEON - >>SLOW<< on SMP

2000-11-08 Thread Richard B. Johnson
On Tue, 7 Nov 2000, Jeff V. Merkey wrote: > > Marc Lehman verified that PII systems will generate tons of AGIs with > gcc. Perhaps this is the cause of this problem. You could run EMON and > see if there is something obvious in the numbers ... > > Jeff > Here are some tests: Before the

Re: Dual XEON - SLOW on SMP

2000-11-08 Thread Jeff V. Merkey
On Wed, Nov 08, 2000 at 09:28:54AM -0500, Richard B. Johnson wrote: On Tue, 7 Nov 2000, Jeff V. Merkey wrote: Marc Lehman verified that PII systems will generate tons of AGIs with gcc. Perhaps this is the cause of this problem. You could run EMON and see if there is something

Re: Dual XEON - >>SLOW<< on SMP

2000-11-07 Thread Jeff V. Merkey
Marc Lehman verified that PII systems will generate tons of AGIs with gcc. Perhaps this is the cause of this problem. You could run EMON and see if there is something obvious in the numbers ... Jeff "Richard B. Johnson" wrote: > > On Wed, 8 Nov 2000, Keith Owens wrote: > > > On Tue, 7 Nov

Re: Dual XEON - >>SLOW<< on SMP

2000-11-07 Thread Richard B. Johnson
On Wed, 8 Nov 2000, Keith Owens wrote: > On Tue, 7 Nov 2000 17:31:19 -0500 (EST), > "Richard B. Johnson" <[EMAIL PROTECTED]> wrote: > >Also, I get some CPU watchdog timeout that I didn't ask for Grrr... > > > >Nov 7 17:17:54 chaos nmbd[115]: Samba server CHAOS is now a domain master

Re: Dual XEON - >>SLOW<< on SMP

2000-11-07 Thread J . A . Magallon
On Tue, 07 Nov 2000 23:31:19 Richard B. Johnson wrote: > On Tue, 7 Nov 2000, Dr. Kelsey Hudson wrote: .. > > 15:111130 IO-APIC-level bttv > > NMI: 190856196 190856196 > > LOC: 190858464 190858463 > > ERR: 0 > > .. > >CPU0 CPU1 > 0:

Re: Dual XEON - >>SLOW<< on SMP

2000-11-07 Thread Keith Owens
On Tue, 7 Nov 2000 17:31:19 -0500 (EST), "Richard B. Johnson" <[EMAIL PROTECTED]> wrote: >Also, I get some CPU watchdog timeout that I didn't ask for Grrr... > >Nov 7 17:17:54 chaos nmbd[115]: Samba server CHAOS is now a domain master browser >for workgroup LINUX on subnet 204.178.40.224

Re: Dual XEON - >>SLOW<< on SMP

2000-11-07 Thread Richard B. Johnson
On Tue, 7 Nov 2000, Dr. Kelsey Hudson wrote: > > This machine isn't even a Xeon, just a PIII CuMine on a ServerWorks HeIII > > chipset. > > Strange, I've got a dual Katmai (non-Xeon) and notice the same... > >CPU0 CPU1 > 0: 95135438 95720832IO-APIC-edge

Re: Dual XEON - >>SLOW<< on SMP

2000-11-07 Thread kernel
On Tue, 7 Nov 2000, Jan-Benedict Glaw wrote: > [...] > > NMI: 190856196 190856196 > > LOC: 190858464 190858463 > > ...are these two lines okay? I've noticed that as well, but I've not > seen that on UP machines as well... Yes, please don't worry, it's just the NMI watchdog doing its

Re: Dual XEON - >>SLOW<< on SMP

2000-11-07 Thread Jan-Benedict Glaw
On Tue, Nov 07, 2000 at 02:02:23PM -0800, Dr. Kelsey Hudson wrote: > > This machine isn't even a Xeon, just a PIII CuMine on a ServerWorks HeIII > > chipset. > > Strange, I've got a dual Katmai (non-Xeon) and notice the same... I've just gotten a dual PIII (Coppermine) to my hands. I *think*

Re: Dual XEON - >>SLOW<< on SMP

2000-11-07 Thread Dr. Kelsey Hudson
> This machine isn't even a Xeon, just a PIII CuMine on a ServerWorks HeIII > chipset. Strange, I've got a dual Katmai (non-Xeon) and notice the same... CPU0 CPU1 0: 95135438 95720832IO-APIC-edge timer 1: 579101 572402IO-APIC-edge keyboard 2:

Re: Dual XEON - SLOW on SMP

2000-11-07 Thread Dr. Kelsey Hudson
This machine isn't even a Xeon, just a PIII CuMine on a ServerWorks HeIII chipset. Strange, I've got a dual Katmai (non-Xeon) and notice the same... CPU0 CPU1 0: 95135438 95720832IO-APIC-edge timer 1: 579101 572402IO-APIC-edge keyboard 2:

Re: Dual XEON - SLOW on SMP

2000-11-07 Thread Jan-Benedict Glaw
On Tue, Nov 07, 2000 at 02:02:23PM -0800, Dr. Kelsey Hudson wrote: This machine isn't even a Xeon, just a PIII CuMine on a ServerWorks HeIII chipset. Strange, I've got a dual Katmai (non-Xeon) and notice the same... I've just gotten a dual PIII (Coppermine) to my hands. I *think* that

Re: Dual XEON - SLOW on SMP

2000-11-07 Thread kernel
On Tue, 7 Nov 2000, Jan-Benedict Glaw wrote: [...] NMI: 190856196 190856196 LOC: 190858464 190858463 ...are these two lines okay? I've noticed that as well, but I've not seen that on UP machines as well... Yes, please don't worry, it's just the NMI watchdog doing its work.

Re: Dual XEON - SLOW on SMP

2000-11-07 Thread Richard B. Johnson
On Tue, 7 Nov 2000, Dr. Kelsey Hudson wrote: This machine isn't even a Xeon, just a PIII CuMine on a ServerWorks HeIII chipset. Strange, I've got a dual Katmai (non-Xeon) and notice the same... CPU0 CPU1 0: 95135438 95720832IO-APIC-edge timer 1:

Re: Dual XEON - SLOW on SMP

2000-11-07 Thread Keith Owens
On Tue, 7 Nov 2000 17:31:19 -0500 (EST), "Richard B. Johnson" [EMAIL PROTECTED] wrote: Also, I get some CPU watchdog timeout that I didn't ask for Grrr... Nov 7 17:17:54 chaos nmbd[115]: Samba server CHAOS is now a domain master browser for workgroup LINUX on subnet 204.178.40.224 Nov 7

Re: Dual XEON - SLOW on SMP

2000-11-07 Thread J . A . Magallon
On Tue, 07 Nov 2000 23:31:19 Richard B. Johnson wrote: On Tue, 7 Nov 2000, Dr. Kelsey Hudson wrote: .. 15:111130 IO-APIC-level bttv NMI: 190856196 190856196 LOC: 190858464 190858463 ERR: 0 .. CPU0 CPU1 0: 10945

Re: Dual XEON - SLOW on SMP

2000-11-07 Thread Richard B. Johnson
On Wed, 8 Nov 2000, Keith Owens wrote: On Tue, 7 Nov 2000 17:31:19 -0500 (EST), "Richard B. Johnson" [EMAIL PROTECTED] wrote: Also, I get some CPU watchdog timeout that I didn't ask for Grrr... Nov 7 17:17:54 chaos nmbd[115]: Samba server CHAOS is now a domain master browser for

Re: Dual XEON - SLOW on SMP

2000-11-07 Thread Jeff V. Merkey
Marc Lehman verified that PII systems will generate tons of AGIs with gcc. Perhaps this is the cause of this problem. You could run EMON and see if there is something obvious in the numbers ... Jeff "Richard B. Johnson" wrote: On Wed, 8 Nov 2000, Keith Owens wrote: On Tue, 7 Nov 2000

Re: Dual XEON - >>SLOW<< on SMP

2000-11-03 Thread Ricky Beam
On Fri, 3 Nov 2000, bert hubert wrote: >> Thanks! That patch did the trick - our machine is now running lovely. > >Your very rare problem was solved in 3 hours and 50 minutes. Most commercial >support shops try and fail to deliver 4 hour response times - this makes me >feel warm inside :-) To be

Re: Dual XEON - SLOW on SMP

2000-11-03 Thread Ricky Beam
On Fri, 3 Nov 2000, bert hubert wrote: Thanks! That patch did the trick - our machine is now running lovely. Your very rare problem was solved in 3 hours and 50 minutes. Most commercial support shops try and fail to deliver 4 hour response times - this makes me feel warm inside :-) To be fair,

Re: Dual XEON - >>SLOW<< on SMP

2000-11-02 Thread Wakko Warner
> > I'm seeing this as well, but only with PIII Xeon systems, not PII > > Xeon. Every single timer interrupt on any CPU is accompanied by a NMI > > and LOC increment on every CPU. > > > >CPU0 CPU1 > > 0: 146727 153389IO-APIC-edge timer > > [...] > > NMI:

Re: Dual XEON - >>SLOW<< on SMP

2000-11-02 Thread bert hubert
On Thu, Nov 02, 2000 at 05:39:03PM +, Dr. David Gilbert wrote: > > So, here is David's mtrr patch. Although in his case ("only" 4G) it > > shouldn't be needed it is for 36bit MTRRs I assume. > > Thanks! That patch did the trick - our machine is now running lovely. Your very rare

Re: Dual XEON - >>SLOW<< on SMP

2000-11-02 Thread Richard B. Johnson
On Thu, 2 Nov 2000, Chris Meadors wrote: > On 2 Nov 2000, Ulrich Drepper wrote: > > > I'm seeing this as well, but only with PIII Xeon systems, not PII > > Xeon. Every single timer interrupt on any CPU is accompanied by a NMI > > and LOC increment on every CPU. > > > >CPU0

Re: Dual XEON - >>SLOW<< on SMP

2000-11-02 Thread Maciej W. Rozycki
On 2 Nov 2000, Ulrich Drepper wrote: > I'm seeing this as well, but only with PIII Xeon systems, not PII > Xeon. Every single timer interrupt on any CPU is accompanied by a NMI > and LOC increment on every CPU. > >CPU0 CPU1 > 0: 146727 153389IO-APIC-edge

Re: Dual XEON - >>SLOW<< on SMP

2000-11-02 Thread Chris Meadors
On 2 Nov 2000, Ulrich Drepper wrote: > I'm seeing this as well, but only with PIII Xeon systems, not PII > Xeon. Every single timer interrupt on any CPU is accompanied by a NMI > and LOC increment on every CPU. > >CPU0 CPU1 > 0: 146727 153389IO-APIC-edge

Re: Dual XEON - >>SLOW<< on SMP

2000-11-02 Thread Matti Aarnio
On Thu, Nov 02, 2000 at 10:09:36AM -0800, Ulrich Drepper wrote: > "Richard B. Johnson" <[EMAIL PROTECTED]> writes: > > Yes. Look at the NMI count. Looks like every access produces a > > NMI. > > I'm seeing this as well, but only with PIII Xeon systems, not PII > Xeon. Every single timer

Re: Dual XEON - >>SLOW<< on SMP

2000-11-02 Thread Ulrich Drepper
"Richard B. Johnson" <[EMAIL PROTECTED]> writes: > Yes. Look at the NMI count. Looks like every access produces a > NMI. I'm seeing this as well, but only with PIII Xeon systems, not PII Xeon. Every single timer interrupt on any CPU is accompanied by a NMI and LOC increment on every CPU.

Re: Dual XEON - >>SLOW<< on SMP

2000-11-02 Thread Dr. David Gilbert
On Thu, 2 Nov 2000, Tigran Aivazian wrote: > yes, that someone was me :) It did indeed help to my 4way 6G RAM Xeon -- > the performance improved 40x!. Also, using David's mtrr.patch helped with > the problem of eepro100 interfaces sometimes not coming up properly (and > generally, it is nice to

Re: Dual XEON - >>SLOW<< on SMP

2000-11-02 Thread Tigran Aivazian
On Thu, 2 Nov 2000 [EMAIL PROTECTED] wrote: > On Thu, 2 Nov 2000, Dr. David Gilbert wrote: > > > I've included /proc/pci, /proc/interrupt /proc/cpuinfo and the kernel > > config (2.4.0-test10). > > > CONFIG_MTRR=y > > I bet it's the mtrr bugs. Take a look in /proc/mtrr. Someone suggested >

Re: Dual XEON - >>SLOW<< on SMP

2000-11-02 Thread Richard B. Johnson
On Thu, 2 Nov 2000 [EMAIL PROTECTED] wrote: > On Thu, 2 Nov 2000, Dr. David Gilbert wrote: > > > I've included /proc/pci, /proc/interrupt /proc/cpuinfo and the kernel > > config (2.4.0-test10). > > > CONFIG_MTRR=y > > I bet it's the mtrr bugs. Take a look in /proc/mtrr. Someone suggested >

Re: Dual XEON - >>SLOW<< on SMP

2000-11-02 Thread kernel
On Thu, 2 Nov 2000, Dr. David Gilbert wrote: > I've included /proc/pci, /proc/interrupt /proc/cpuinfo and the kernel > config (2.4.0-test10). > CONFIG_MTRR=y I bet it's the mtrr bugs. Take a look in /proc/mtrr. Someone suggested that if you disable the cachable settings in the BIOS for the

Dual XEON - >>SLOW<< on SMP

2000-11-02 Thread Dr. David Gilbert
Hi, We have a dual Xeon machine with 4GB of RAM; when running with an SMP kernel (either the SMP one with RH7 or a freshly compiled 2.4.0-test10) it is INCREDIBLY slow. e.g. X takes a minute to start the server - I haven't bothered waiting for anything more. Just from a command line it feels

Dual XEON - SLOW on SMP

2000-11-02 Thread Dr. David Gilbert
Hi, We have a dual Xeon machine with 4GB of RAM; when running with an SMP kernel (either the SMP one with RH7 or a freshly compiled 2.4.0-test10) it is INCREDIBLY slow. e.g. X takes a minute to start the server - I haven't bothered waiting for anything more. Just from a command line it feels

Re: Dual XEON - SLOW on SMP

2000-11-02 Thread kernel
On Thu, 2 Nov 2000, Dr. David Gilbert wrote: I've included /proc/pci, /proc/interrupt /proc/cpuinfo and the kernel config (2.4.0-test10). CONFIG_MTRR=y I bet it's the mtrr bugs. Take a look in /proc/mtrr. Someone suggested that if you disable the cachable settings in the BIOS for the

Re: Dual XEON - SLOW on SMP

2000-11-02 Thread Richard B. Johnson
On Thu, 2 Nov 2000 [EMAIL PROTECTED] wrote: On Thu, 2 Nov 2000, Dr. David Gilbert wrote: I've included /proc/pci, /proc/interrupt /proc/cpuinfo and the kernel config (2.4.0-test10). CONFIG_MTRR=y I bet it's the mtrr bugs. Take a look in /proc/mtrr. Someone suggested that if you

Re: Dual XEON - SLOW on SMP

2000-11-02 Thread Tigran Aivazian
On Thu, 2 Nov 2000 [EMAIL PROTECTED] wrote: On Thu, 2 Nov 2000, Dr. David Gilbert wrote: I've included /proc/pci, /proc/interrupt /proc/cpuinfo and the kernel config (2.4.0-test10). CONFIG_MTRR=y I bet it's the mtrr bugs. Take a look in /proc/mtrr. Someone suggested that if you

Re: Dual XEON - SLOW on SMP

2000-11-02 Thread Dr. David Gilbert
On Thu, 2 Nov 2000, Tigran Aivazian wrote: yes, that someone was me :) It did indeed help to my 4way 6G RAM Xeon -- the performance improved 40x!. Also, using David's mtrr.patch helped with the problem of eepro100 interfaces sometimes not coming up properly (and generally, it is nice to see

Re: Dual XEON - SLOW on SMP

2000-11-02 Thread Ulrich Drepper
"Richard B. Johnson" [EMAIL PROTECTED] writes: Yes. Look at the NMI count. Looks like every access produces a NMI. I'm seeing this as well, but only with PIII Xeon systems, not PII Xeon. Every single timer interrupt on any CPU is accompanied by a NMI and LOC increment on every CPU.

Re: Dual XEON - SLOW on SMP

2000-11-02 Thread Matti Aarnio
On Thu, Nov 02, 2000 at 10:09:36AM -0800, Ulrich Drepper wrote: "Richard B. Johnson" [EMAIL PROTECTED] writes: Yes. Look at the NMI count. Looks like every access produces a NMI. I'm seeing this as well, but only with PIII Xeon systems, not PII Xeon. Every single timer interrupt on any

Re: Dual XEON - SLOW on SMP

2000-11-02 Thread Chris Meadors
On 2 Nov 2000, Ulrich Drepper wrote: I'm seeing this as well, but only with PIII Xeon systems, not PII Xeon. Every single timer interrupt on any CPU is accompanied by a NMI and LOC increment on every CPU. CPU0 CPU1 0: 146727 153389IO-APIC-edge timer

Re: Dual XEON - SLOW on SMP

2000-11-02 Thread Maciej W. Rozycki
On 2 Nov 2000, Ulrich Drepper wrote: I'm seeing this as well, but only with PIII Xeon systems, not PII Xeon. Every single timer interrupt on any CPU is accompanied by a NMI and LOC increment on every CPU. CPU0 CPU1 0: 146727 153389IO-APIC-edge timer

Re: Dual XEON - SLOW on SMP

2000-11-02 Thread Richard B. Johnson
On Thu, 2 Nov 2000, Chris Meadors wrote: On 2 Nov 2000, Ulrich Drepper wrote: I'm seeing this as well, but only with PIII Xeon systems, not PII Xeon. Every single timer interrupt on any CPU is accompanied by a NMI and LOC increment on every CPU. CPU0 CPU1

Re: Dual XEON - SLOW on SMP

2000-11-02 Thread bert hubert
On Thu, Nov 02, 2000 at 05:39:03PM +, Dr. David Gilbert wrote: So, here is David's mtrr patch. Although in his case ("only" 4G) it shouldn't be needed it is for 36bit MTRRs I assume. Thanks! That patch did the trick - our machine is now running lovely. Your very rare problem was

Re: Dual XEON - SLOW on SMP

2000-11-02 Thread Wakko Warner
I'm seeing this as well, but only with PIII Xeon systems, not PII Xeon. Every single timer interrupt on any CPU is accompanied by a NMI and LOC increment on every CPU. CPU0 CPU1 0: 146727 153389IO-APIC-edge timer [...] NMI: 300035