HP DL380 / SLES 8 and cpu usage bug?

cade.robinson_at_gmail.com
Date: 04/13/05 

Date: 13 Apr 2005 09:26:01 -0700

I have installed SLES 8 on a new HP DL380 G4 with 2 x 3.6GHz cpus and
with the machine just sitting there doing nothing it show ~75% cpu
usage on one of the virtual HT cpus (cpu 1 or cpu 3).

We have tried kernel 2.4.21-251-smp and 2.4.21-261-smp with the cciss
driver from HP and both kernels show this behavior. We are also seeing
it on several other machines all HP DL380's. This doesn't happen on a
Dell or other servers, just the DL380 G4.

We also don't see this issue with the base kernel (-138).

Does SLES 9 exhibit this same behavior? If not I maybe able to
convince the people here to use SLES 9 rather than 8 (which I wanted to
use anyway).

Thanks
Cade

Relevant Pages

  • HP DL380 / SLES 8 and cpu usage bug?
    ... usage on one of the virtual HT cpus. ... driver from HP and both kernels show this behavior. ... We also don't see this issue with the base kernel. ... Does SLES 9 exhibit this same behavior? ...
    (comp.os.linux.hardware)
  • only a single core (out of 8) initialized
    ... this is 2.6.30-rc7 with a patch added to debug a nv sata driver incompatibility with the Intel SSDs on a tyan motherboard ... kernel direct mapping tables up to d7fd0000 @ 10000-16000 ... Allocating PCI resources starting at f1000000 ... CPU: L2 Cache: 1024K ...
    (Linux-Kernel)
  • 2.6.30: hibernation/swsusp stuck in disable_nonboot_cpus
    ... I'm running a 32bit kernel. ... CPU is an AMD AthlonDual Core Processor 4850e. ... apparently the serial driver is disabled during suspend ...
    (Linux-Kernel)
  • Re: [SLUB 0/3] SLUB: The unqueued slab allocator V4
    ... ACPI: PM-Timer IO Port: 0x2208 ... CPU: L2 Cache: 1024K ... registered new interface driver usbfs ... usbcore: ...
    (Linux-Kernel)
  • [OOPS] 2.6.7 random oops in free_block()
    ... Unable to handle kernel paging request at virtual address 01000004 ... CPU: L2 cache: 256K ... Enabling unmasked SIMD FPU exception support... ... usbcore: registered new driver usbfs ...
    (Linux-Kernel)