choices and tuning but haven't
seen any significant improvements.
What is the bottleneck here? If it's not known, what should I do to
determine it?
I've done a variety of other tests with this system and am happy to
elaborate further if any other information is needed.
Thanks,
Rick Warner
Success!
This resolved the issue. Thanks Thomas!
Rick
On 05/17/18 08:36, Thomas Gleixner wrote:
> Rick,
>
> On Wed, 16 May 2018, Rick Warner wrote:
>
>> I've attached the dmesg output with the kernel parameter and supplied patch.
> Thanks for providing the data. I thin
Success!
This resolved the issue. Thanks Thomas!
Rick
On 05/17/18 08:36, Thomas Gleixner wrote:
> Rick,
>
> On Wed, 16 May 2018, Rick Warner wrote:
>
>> I've attached the dmesg output with the kernel parameter and supplied patch.
> Thanks for providing the data. I thin
Thanks Thomas!
I've attached the dmesg output with the kernel parameter and supplied patch.
Here is the excerpt of the ftrace dump:
Dumping ftrace buffer:
-
swapper/-1 0d... 463331us : __x2apic_send_IPI_mask: To:
swapper/-1 0d... 46us :
Thanks Thomas!
I've attached the dmesg output with the kernel parameter and supplied patch.
Here is the excerpt of the ftrace dump:
Dumping ftrace buffer:
-
swapper/-1 0d... 463331us : __x2apic_send_IPI_mask: To:
swapper/-1 0d... 46us :
Hi All,
Does anyone have ideas on this? Is there any other data I can provide
to help debug this?
Thanks,
Rick
On 05/01/2018 12:37 PM, Rick Warner wrote:
Hi All,
I've discovered that some new Supermicro skylake systems will hang/stall
while booting the 4.15 kernel when extended APIC
Hi All,
Does anyone have ideas on this? Is there any other data I can provide
to help debug this?
Thanks,
Rick
On 05/01/2018 12:37 PM, Rick Warner wrote:
Hi All,
I've discovered that some new Supermicro skylake systems will hang/stall
while booting the 4.15 kernel when extended APIC
Hi All,
I've discovered that some new Supermicro skylake systems will hang/stall
while booting the 4.15 kernel when extended APIC (x2apic) is enabled in
the BIOS. The issue happens on specific CPUs only and follows the CPUs.
We had (4) quad socket systems with Xeon 6134 CPUs; 2 out of 4 were
Hi All,
I've discovered that some new Supermicro skylake systems will hang/stall
while booting the 4.15 kernel when extended APIC (x2apic) is enabled in
the BIOS. The issue happens on specific CPUs only and follows the CPUs.
We had (4) quad socket systems with Xeon 6134 CPUs; 2 out of 4 were
This modification solved my problem. Will this change go into mainline, or
will we need to maintain our own branch of the kernel to keep this working?
Thanks,
Rick
On Tuesday 05 February 2008, Paul Fulghum wrote:
> Paul Fulghum wrote:
> > Instead of reverting the patch can you try modifying
>
Hello all,
My company uses a proprietary hardware monitoring solution that utilizes
communication over the serial port. A RS232-RS485 converter is plugged into
the serial port of the master of a cluster, and cat5 cables are daisy chained
between the cards to handle out of band hardware
Hello all,
My company uses a proprietary hardware monitoring solution that utilizes
communication over the serial port. A RS232-RS485 converter is plugged into
the serial port of the master of a cluster, and cat5 cables are daisy chained
between the cards to handle out of band hardware
This modification solved my problem. Will this change go into mainline, or
will we need to maintain our own branch of the kernel to keep this working?
Thanks,
Rick
On Tuesday 05 February 2008, Paul Fulghum wrote:
Paul Fulghum wrote:
Instead of reverting the patch can you try modifying
On Thursday 01 September 2005 05:46 pm, Eric Dumazet wrote:
> Rick Warner a écrit :
> > Hello,
> > We have been testing latency and bandwidth using our proprietary MPI
> > link checker tool (http://www.microway.com/mpilinkchecker.html) and have
> > found that the l
On Thursday 01 September 2005 05:46 pm, Eric Dumazet wrote:
Rick Warner a écrit :
Hello,
We have been testing latency and bandwidth using our proprietary MPI
link checker tool (http://www.microway.com/mpilinkchecker.html) and have
found that the latency increased from ~25ms to ~45ms
Hello,
We have been testing latency and bandwidth using our proprietary MPI link
checker tool (http://www.microway.com/mpilinkchecker.html) and have found
that the latency increased from ~25ms to ~45ms going from 2.6.11 to 2.6.12.
2.6.13 has the same result. We also tried the latest bcm5700
Hello,
We have been testing latency and bandwidth using our proprietary MPI link
checker tool (http://www.microway.com/mpilinkchecker.html) and have found
that the latency increased from ~25ms to ~45ms going from 2.6.11 to 2.6.12.
2.6.13 has the same result. We also tried the latest bcm5700
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