Date:	Mon, 18 Aug 2014 08:44:06 -0400
From:	Don Zickus <dzickus@...hat.com>
To:	Ulrich Windl <Ulrich.Windl@...uni-regensburg.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Antw: Re: Some problems with HP DL380 G8 BIOS and SLES11 SP3

On Mon, Aug 18, 2014 at 08:12:44AM +0200, Ulrich Windl wrote:
> >>> Don Zickus <dzickus@...hat.com> schrieb am 14.08.2014 um 19:46 in Nachricht
> <20140814174658.GV49576@...hat.com>:
> > On Wed, Aug 13, 2014 at 05:22:17PM +0200, Ulrich Windl wrote:
> >> Hello!
> >> 
> >> Running the current SLES11 SP3 kernel on a HP DL380 G8 server, there are 
> > some kernel messages that indicate a bug either in the kernel or in the HP 
> > BIOS. Maybe someone can explain, so I can try to get it fixed whatever party 
> > broke it...
> >> 
> >> Linux kernel is "3.0.101-0.35-default (geeko@...ldhost) (gcc version 4.3.4 
> > [gcc-4_3-branch revision 152973]" (latest).
> >> HP server is "HP ProLiant DL380p Gen8, BIOS P70 02/10/2014" (latest)
> > 
> > Yes, it is because you are letting the firmware dynamically control your
> > cpu frequency.  In order to accomplish they need to use a perf counter or
> > two, hence the conflict.  Set the firmware setting to OS control and the
> > problem goes away.  Contact HP for those instructions, they are very aware
> > of this problem and recommend OS control to all high end servers.
> 
> Hi!
> 
> Thanks for answering, but the BIOS has set power management to "OS control" (see attachment). So I guess it must be something different.

Hmm, sounds like it.  Regardless, the error message indicates the counters
are in use most likely by the BIOS.  So you can ask HP what is going on.

I assume this is a normal bootup and not a kdump crash kernel, correct?

Cheers,
Don

> 
> Regards,
> Ulrich
> 
> > 
> > Cheers,
> > Don
> > 
> >> 
> >> During ACPI init I see:
> >> [...]
> >> Reserving 128MB of memory at 752MB for crashkernel (System RAM: 132095MB)
> >> ACPI: RSDP 00000000000f4f00 00024 (v02 HP    )
> >> ACPI: XSDT 00000000bddaed00 000D4 (v01 HP     ProLiant 00000002   322? 
> > 0000162E)
> >> ACPI: FACP 00000000bddaee40 000F4 (v03 HP     ProLiant 00000002   322? 
> > 0000162E)
> >> ACPI Warning: Invalid length for Pm1aControlBlock: 32, using default 16 
> > (2011041
> >> 3/tbfadt-611)
> >> ACPI Warning: Invalid length for Pm2ControlBlock: 32, using default 8 
> > (20110413/
> >> tbfadt-611)
> >> ACPI: DSDT 00000000bddaef40 026DC (v01 HP         DSDT 00000001 INTL 
> > 20030228)
> >> ACPI: FACS 00000000bddac140 00040
> >> ACPI: SPCR 00000000bddac180 00050 (v01 HP     SPCRRBSU 00000001   322? 
> > 0000162E)
> >> ACPI: MCFG 00000000bddac200 0003C (v01 HP     ProLiant 00000001      
> > 00000000)
> >> [...]
> >> 
> >> HPET id 0 under DRHD base 0xf4ffe000
> >> BIOS requests to not use x2apic
> >> Use 'intremap=no_x2apic_optout' to override BIOS request
> >> Enabled IRQ remapping in xapic mode
> >> x2apic not enabled, IRQ remapping is in xapic mode
> >> Switched APIC routing to physical flat.
> >> ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
> >> CPU0: Intel(R) Xeon(R) CPU E5-2630 v2 @ 2.60GHz stepping 04
> >> Performance Events: PEBS fmt1+, 16-deep LBR, IvyBridge events, Broken BIOS 
> > detec
> >> ted, complain to your hardware vendor.
> >> [Firmware Bug]: the BIOS has corrupted hw-PMU resources (MSR 38d is 330)
> >> Intel PMU driver.
> >> ... version:                3
> >> ... bit width:              48
> >> ... generic registers:      4
> >> ... value mask:             0000ffffffffffff
> >> ... max period:             000000007fffffff
> >> ... fixed-purpose events:   3
> >> ... event mask:             000000070000000f
> >> NMI watchdog enabled, takes one hw-pmu counter.
> >> Booting Node   0, Processors  #1
> >> [...]
> >> 
> >>  pci0000:00: Requesting ACPI _OSC control (0x1d)
> >>  pci0000:00: ACPI _OSC request failed (AE_SUPPORT), returned control mask: 
> > 0x00
> >> ACPI _OSC control for PCIe not granted, disabling ASPM
> >> [...]
> >> 
> >>  pci0000:20: Requesting ACPI _OSC control (0x1d)
> >>  pci0000:20: ACPI _OSC request failed (AE_SUPPORT), returned control mask: 
> > 0x00
> >> ACPI _OSC control for PCIe not granted, disabling ASPM
> >> [...]
> >> 
> >> Regards,
> >> Ulrich
> >> P.S. Please CC: me, as I'm not on LKML...
> >> 
> >> 
> >> --
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> 
> 
> 


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