On Thu, 17 Jun 2004 01:43:52 +0800, Jason Lim <[EMAIL PROTECTED]> wrote:
> >
> > We're running Debian with a custom 2.4.26 kernel on a couple of dual
> > Xeon's, with apache 1.3.x without any problem. I'll admit that these
> > are ligtly loaded servers for now, but we've done some stress testing
>
>
> We're running Debian with a custom 2.4.26 kernel on a couple of dual
> Xeon's, with apache 1.3.x without any problem. I'll admit that these
> are ligtly loaded servers for now, but we've done some stress testing
> before they went into production and never saw this problem.
>
> Maarten
Di
;gilles.hanotel" <[EMAIL PROTECTED]>
> To: "Jason Lim" <[EMAIL PROTECTED]>
> Sent: Wednesday, 16 June, 2004 6:49 AM
> Subject: Re: Intel Hyperthreading problem on server?
>
>
> > Hi Jason,
> >
> > > Unfortunately, I never did. The solu
On Thu, 17 Jun 2004 01:43:52 +0800, Jason Lim <[EMAIL PROTECTED]> wrote:
> >
> > We're running Debian with a custom 2.4.26 kernel on a couple of dual
> > Xeon's, with apache 1.3.x without any problem. I'll admit that these
> > are ligtly loaded servers for now, but we've done some stress testing
>
>
> We're running Debian with a custom 2.4.26 kernel on a couple of dual
> Xeon's, with apache 1.3.x without any problem. I'll admit that these
> are ligtly loaded servers for now, but we've done some stress testing
> before they went into production and never saw this problem.
>
> Maarten
Di
;gilles.hanotel" <[EMAIL PROTECTED]>
> To: "Jason Lim" <[EMAIL PROTECTED]>
> Sent: Wednesday, 16 June, 2004 6:49 AM
> Subject: Re: Intel Hyperthreading problem on server?
>
>
> > Hi Jason,
> >
> > > Unfortunately, I never did. The solu
n-isp@lists.debian.org
Asunto: Re: Intel Hyperthreading problem on server?
On Wed, 16 Jun 2004 09:18:07 +0800, Jason Lim <[EMAIL PROTECTED]> wrote:
>
> Dear Gilles ,
>
> I'll try as well... hope we can find a solution.
>
> I have a few Redhat Linux 9 servers with Hyp
On Wed, 16 Jun 2004 09:18:07 +0800, Jason Lim <[EMAIL PROTECTED]> wrote:
>
> Dear Gilles ,
>
> I'll try as well... hope we can find a solution.
>
> I have a few Redhat Linux 9 servers with Hyperthreading CPUs, and no
> problem whatsoever. I think they run Apache 2, so maybe that is the
> solutio
EMAIL PROTECTED]
Asunto: Re: Intel Hyperthreading problem on server?
On Wed, 16 Jun 2004 09:18:07 +0800, Jason Lim <[EMAIL PROTECTED]> wrote:
>
> Dear Gilles ,
>
> I'll try as well... hope we can find a solution.
>
> I have a few Redhat Linux 9 servers with Hyperthreading CP
On Wed, 16 Jun 2004 09:18:07 +0800, Jason Lim <[EMAIL PROTECTED]> wrote:
>
> Dear Gilles ,
>
> I'll try as well... hope we can find a solution.
>
> I have a few Redhat Linux 9 servers with Hyperthreading CPUs, and no
> problem whatsoever. I think they run Apache 2, so maybe that is the
> solutio
m and hyperthreading?!
Jas
- Original Message -
From: "gilles.hanotel" <[EMAIL PROTECTED]>
To: "Jason Lim" <[EMAIL PROTECTED]>
Sent: Wednesday, 16 June, 2004 6:49 AM
Subject: Re: Intel Hyperthreading problem on server?
> Hi Jason,
>
> > Unfort
m and hyperthreading?!
Jas
- Original Message -
From: "gilles.hanotel" <[EMAIL PROTECTED]>
To: "Jason Lim" <[EMAIL PROTECTED]>
Sent: Wednesday, 16 June, 2004 6:49 AM
Subject: Re: Intel Hyperthreading problem on server?
> Hi Jason,
>
> > Unfort
04 5:13 AM
Subject: Re: Intel Hyperthreading problem on server?
> Hello,
>
> I've just found your message about hyperthreading problem with apache on
the
> debian list and I've exactly the same problem on my boxe...
>
> As I've not seen answer on the list I would li
04 5:13 AM
Subject: Re: Intel Hyperthreading problem on server?
> Hello,
>
> I've just found your message about hyperthreading problem with apache on
the
> debian list and I've exactly the same problem on my boxe...
>
> As I've not seen answer on the list I would li
> > I do not appear to be having the same problem you guys are. The
machine
> > does not have a high load, but has not exhibited any problems
> > whatsoever. Running vanilla source 2.4.23 from kernel.org.
> >
> > Are you using Debian kernel packages or vanilla source? Any other
magic
> > going on?
> I do not appear to be having the same problem you guys are. The machine
> does not have a high load, but has not exhibited any problems
> whatsoever. Running vanilla source 2.4.23 from kernel.org.
>
> Are you using Debian kernel packages or vanilla source? Any other magic
> going on? Possibl
> > I do not appear to be having the same problem you guys are. The
machine
> > does not have a high load, but has not exhibited any problems
> > whatsoever. Running vanilla source 2.4.23 from kernel.org.
> >
> > Are you using Debian kernel packages or vanilla source? Any other
magic
> > going on?
> I do not appear to be having the same problem you guys are. The machine
> does not have a high load, but has not exhibited any problems
> whatsoever. Running vanilla source 2.4.23 from kernel.org.
>
> Are you using Debian kernel packages or vanilla source? Any other magic
> going on? Possibl
On Dec 17, 2003, at 11:07 AM, Alex Borges wrote:
Except in my case, this error ONLY appears if SMP support is compiled
into
the kernel, otherwise, it runs smooth with very high load. Apache
doesn't
immediately have the problem with SMP compiled in tho... it takes
maybe an
hour or two before the
On Dec 17, 2003, at 11:07 AM, Alex Borges wrote:
Except in my case, this error ONLY appears if SMP support is compiled
into
the kernel, otherwise, it runs smooth with very high load. Apache
doesn't
immediately have the problem with SMP compiled in tho... it takes
maybe an
hour or two before th
> Except in my case, this error ONLY appears if SMP support is compiled into
> the kernel, otherwise, it runs smooth with very high load. Apache doesn't
> immediately have the problem with SMP compiled in tho... it takes maybe an
> hour or two before the problem appears.
>
That is consistent with
> Except in my case, this error ONLY appears if SMP support is compiled into
> the kernel, otherwise, it runs smooth with very high load. Apache doesn't
> immediately have the problem with SMP compiled in tho... it takes maybe an
> hour or two before the problem appears.
>
That is consistent with
support *should* work for RAM
less
> > than that too :-/
> >
> > Most frustrating. I will try re-compiling with your suggestion a bit
> later
> > today, and let you know how it turns out.
> >
> >
> > - Original Message -
> > From: "T
> From: "Theodore Knab" <[EMAIL PROTECTED]>
> To:
> Sent: Wednesday, December 17, 2003 10:07 AM
> Subject: Re: Intel Hyperthreading problem on server?
>
>
> > I am using the 2.4.20 kernel with SMP support on a Hyper-threading
> > Intel. I remember havi
support *should* work for RAM
less
> > than that too :-/
> >
> > Most frustrating. I will try re-compiling with your suggestion a bit
> later
> > today, and let you know how it turns out.
> >
> >
> > - Original Message -
> > From: "The
I was also considering the possibility of hardware error, but if it works
100% reliably without HT/SMP, but virtually crashes at high load with
Apache, that would pretty much rule out hardware error, unless the CPU's
HT is buggy (highly unlikely).
> Well, its not that the kernel does not detect
-
> From: "Theodore Knab" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Wednesday, December 17, 2003 10:07 AM
> Subject: Re: Intel Hyperthreading problem on server?
>
>
> > I am using the 2.4.20 kernel with SMP support on a Hyper-threading
&
Well, its not that the kernel does not detect the ht, it does and quite
fine (shows lots of processors in the box and all).
The problem is that apache is crashing under high load with a segfault.
Now, as i understand it, this can be a faulty hardware problem (bad
memory=segfault) or an actual soft
> El mar, 16-12-2003 a las 12:39, Jason Lim escribió:
> > Just noticed one more thing... it appears to be Apache causing the
super
> > high load (among other programs running) when SMP is compiled into the
> > kernel, and with a bunch of errors in syslog:
> >
> > [Wed Dec 17 02:27:37 2003] [notice
ating. I will try re-compiling with your suggestion a bit later
today, and let you know how it turns out.
- Original Message -
From: "Theodore Knab" <[EMAIL PROTECTED]>
To:
Sent: Wednesday, December 17, 2003 10:07 AM
Subject: Re: Intel Hyperthreading problem on server?
I was also considering the possibility of hardware error, but if it works
100% reliably without HT/SMP, but virtually crashes at high load with
Apache, that would pretty much rule out hardware error, unless the CPU's
HT is buggy (highly unlikely).
> Well, its not that the kernel does not detect
Well, its not that the kernel does not detect the ht, it does and quite
fine (shows lots of processors in the box and all).
The problem is that apache is crashing under high load with a segfault.
Now, as i understand it, this can be a faulty hardware problem (bad
memory=segfault) or an actual soft
I am using the 2.4.20 kernel with SMP support on a Hyper-threading
Intel. I remember having problems getting it work with SMP support
initially.
I think the kernel has to be perfect. ;-)
Do you have high memory support compiled in ?
High memory support above 4GB might cause problems.
If you do
> El mar, 16-12-2003 a las 12:39, Jason Lim escribió:
> > Just noticed one more thing... it appears to be Apache causing the
super
> > high load (among other programs running) when SMP is compiled into the
> > kernel, and with a bunch of errors in syslog:
> >
> > [Wed Dec 17 02:27:37 2003] [notice
ating. I will try re-compiling with your suggestion a bit later
today, and let you know how it turns out.
- Original Message -
From: "Theodore Knab" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, December 17, 2003 10:07 AM
Subject: Re: Intel Hyperthrea
I am using the 2.4.20 kernel with SMP support on a Hyper-threading
Intel. I remember having problems getting it work with SMP support
initially.
I think the kernel has to be perfect. ;-)
Do you have high memory support compiled in ?
High memory support above 4GB might cause problems.
If you do
> - Original Message -
> From: "Jason Lim" <[EMAIL PROTECTED]>
> To:
> Sent: Tuesday, December 16, 2003 11:23 PM
> Subject: Intel Hyperthreading problem on server?
>
>
> > Hi All...
> >
> > Do you guys know anything about a problem w
> - Original Message -
> From: "Jason Lim" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Tuesday, December 16, 2003 11:23 PM
> Subject: Intel Hyperthreading problem on server?
>
>
> > Hi All...
> >
> > Do you guys know
think of a
different angle on this?
- Original Message -
From: "Jason Lim" <[EMAIL PROTECTED]>
To:
Sent: Tuesday, December 16, 2003 11:23 PM
Subject: Intel Hyperthreading problem on server?
> Hi All...
>
> Do you guys know anything about a problem with Intel
think of a
different angle on this?
- Original Message -
From: "Jason Lim" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, December 16, 2003 11:23 PM
Subject: Intel Hyperthreading problem on server?
> Hi All...
>
> Do you guys know anything abou
Jason,
> Do you guys know anything about a problem with Intel
> Hyperthreading (eg.
Check your ACPI settings in your BIOS and in your kernel. I messed with
ours on a couple of servers, I don't remember where I landed, but I
think the only thing that worked reliably was just compiling the kernel
Jason,
> Do you guys know anything about a problem with Intel
> Hyperthreading (eg.
Check your ACPI settings in your BIOS and in your kernel. I messed with
ours on a couple of servers, I don't remember where I landed, but I
think the only thing that worked reliably was just compiling the kernel
Hi All...
Do you guys know anything about a problem with Intel Hyperthreading (eg.
on the Intel 2.4Ghz HT-enabled processor) that would cause the load
average to jump to over 200?
Here is the log line:
Dec 16 22:48:17 be watchdog[250]: loadavg 203 101 40 is higher than the
given threshold 200 15
Hi All...
Do you guys know anything about a problem with Intel Hyperthreading (eg.
on the Intel 2.4Ghz HT-enabled processor) that would cause the load
average to jump to over 200?
Here is the log line:
Dec 16 22:48:17 be watchdog[250]: loadavg 203 101 40 is higher than the
given threshold 200 15
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