Re: GART Error 11
From: Saurabh Barve
Date: Tue Jun 01 2004 - 17:57:40 EST
Arthur,
I list all the information I have right off the bat:
AMD Opteron Model 246, 1 MB L2 Cache 64-bit processor
Model : AMD Opteron Model 246
Core : Hammer
Operating Frequency : 2 GHz
Cache : L1/128K, L2/1024K
Socekt: Socket 940
Is that info enough?
I just remembered looking at /var/log/dmesg again. There was a line that
said that IOMMU was not enabled in my BIOS, and that I should enable it.
However, I can't see any option in my BIOS for enabling/disabling IOMMU.
Thanks,
Saurabh.
On Tue, 1 Jun 2004, Arthur Perry wrote:
> Hi Saurabh,
>
> I almost forgot.
> Can you also tell me which AMD CPUs you are using?
> Preferrably by number if you know (starts with OSA I believe), or at least
> the CPU speed.
> Thanks!
>
> Arthur Perry
> Lead Linux Developer / Linux Systems Architect
> Validation, CSU Celestica
> Sair/Linux Gnu Certified Professional
> Providing professional Linux solutions for 7+ years
>
> On Tue, 1 Jun 2004, Arthur Perry wrote:
>
> > Hi Saurabh,
> >
> > I am working on this issue as we speak.
> > It is interesting that your machine crashes entirely with iommu disabled.
> >
> > I am starting to think there is more to this than just the kernel
> > misreporting other hardware errors (being improperly decoded as GART
> > errors).
> > On my machine, I am actaully getting Gart erros on 3 out of 4 CPUS when I
> > use RedHat's 2.4.21-9EL kernel. This same kernel when rebuilt from source,
> > however, will not produce GART errors when built without AGP support.
> >
> > Here is my Extended error code (bits 19-16 on 0:[18,19,1b]:3 at offset 0x44:
> > 0101 = GART error
> >
> > So, this is not a translation issue on my side.
> >
> > Can you do this for me?
> >
> > pcitweak -r 0:18:3 0x44
> > and
> > pcitweak -r 0:19:3 0x44
> >
> >
> > Thanks!
> >
> >
> > Arthur Perry
> > Lead Linux Developer / Linux Systems Architect
> > Validation, CSU Celestica
> > Sair/Linux Gnu Certified Professional
> > Providing professional Linux solutions for 7+ years
> >
> > On Tue, 1 Jun 2004, Saurabh Barve wrote:
> >
> > > Hi,
> > >
> > > I know this has been posted before on this list, but the solution
> > > suggested does not seem to work for me.
> > >
> > > I have a dual opteron system with 8 GB of RAM. I am running RHEL 3.0 AS on
> > > it. The kernel version is 2.4.21-4.ELsmp. The motherboard I am using is
> > > the Tyan Thunder K8S Pro - 2882 motherboard.
> > >
> > > I am getting the following error every two minutes or so:
> > >
> > > GART error 11
> > > Lost an northbridge error
> > > NB error address some-hex-number
> > > Error uncorrected
> > >
> > > I checked the various postings on the list, and someone suggested that
> > > passing iommu=off option to the kernel solved the problem for him.
> > > However, when I tried that, it got the kernel to panic. I read somewhere
> > > that a newer kernel would fix these 'bugs' in the default RHEL kernel.
> > > However, I am using the onboard SATA controller for my hard disks. This
> > > requires binary drivers from Tyan. I already downloaded a newer kernel,
> > > however, it breaks the drivers, so I can't boot into the new kernel.
> > >
> > > Here is my output from lspci:
> > >
> > > 00:06.0 PCI bridge: Advanced Micro Devices [AMD] AMD-8111 PCI (rev 07)
> > > 00:07.0 ISA bridge: Advanced Micro Devices [AMD] AMD-8111 LPC (rev 05)
> > > 00:07.1 IDE interface: Advanced Micro Devices [AMD] AMD-8111 IDE (rev 03)
> > > 00:07.2 SMBus: Advanced Micro Devices [AMD] AMD-8111 SMBus 2.0 (rev 02)
> > > 00:07.3 Bridge: Advanced Micro Devices [AMD] AMD-8111 ACPI (rev 05)
> > > 00:0a.0 PCI bridge: Advanced Micro Devices [AMD] AMD-8131 PCI-X Bridge
> > > (rev 12)
> > > 00:0a.1 PIC: Advanced Micro Devices [AMD] AMD-8131 PCI-X APIC (rev 01)
> > > 00:0b.0 PCI bridge: Advanced Micro Devices [AMD] AMD-8131 PCI-X Bridge
> > > (rev 12)
> > > 00:0b.1 PIC: Advanced Micro Devices [AMD] AMD-8131 PCI-X APIC (rev 01)
> > > 00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 NorthBridge
> > > 00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 NorthBridge
> > > 00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 NorthBridge
> > > 00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 NorthBridge
> > > 00:19.0 Host bridge: Advanced Micro Devices [AMD] K8 NorthBridge
> > > 00:19.1 Host bridge: Advanced Micro Devices [AMD] K8 NorthBridge
> > > 00:19.2 Host bridge: Advanced Micro Devices [AMD] K8 NorthBridge
> > > 00:19.3 Host bridge: Advanced Micro Devices [AMD] K8 NorthBridge
> > > 02:09.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5704
> > > Gigabit Ethernet (rev 03)
> > > 02:09.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5704
> > > Gigabit Ethernet (rev 03)
> > > 03:00.0 USB Controller: Advanced Micro Devices [AMD] AMD-8111 USB (rev 0b)
> > > 03:00.1 USB Controller: Advanced Micro Devices [AMD] AMD-8111 USB (rev 0b)
> > > 03:05.0 Unknown mass storage controller: Silicon Image, Inc. (formerly CMD
> > > Technology Inc) Silicon Image SiI 3114 SATARaid Controller (rev 02)
> > > 03:06.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 27)
> > > 03:08.0 Ethernet controller: Intel Corp. 82557/8/9 [Ethernet Pro 100] (rev
> > > 10)
> > >
> > > The dmesg output was too large to include inline, so I am attaching it as
> > > a text file.
> > >
> > > I tried passing the following options to the kernel:
> > >
> > > iommu=noagp
> > > iommu=noforce
> > > iommu=off (results in kernel-panic)
> > > mce=off
> > > mce=0
> > >
> > > I tried all the above in various combinations, but none of them worked.
> > > The machine doesn't crash, and everything else seems to work fine, but I'd
> > > like to get rid of these errors.
> > >
> > > There are some snippets from the dmesg output that I found to be of
> > > interest:
> > >
> > > ------------------------------------------------------------
> > > Linux agpgart interface v0.99 (c) Jeff Hartmann
> > > agpgart: Maximum main memory to use for agp memory: 7956M
> > > agpgart: no supported devices found.
> > > PCI-DMA: Disabling AGP.
> > > PCI-DMA: aperture base @ 10000000 size 65536 KB
> > > PCI-DMA: Reserving 64MB of IOMMU area in the AGP aperture
> > > -----------------------------------------------------------
> > >
> > > -----------------------------------------------------------
> > >
> > > GART error 11
> > > Lost an northbridge error
> > > NB error address 00000000fbfe4398
> > > Error uncorrected
> > > Northbridge status a40000000005001b
> > >
> > > ----------------------------------------------------------
> > >
> > >
> > > Any suggestions?
> > >
> > > Thanks,
> > > Saurabh.
> > >
> >
> >
> > --
> > amd64-list mailing list
> > amd64-list@xxxxxxxxxx
> > https://www.redhat.com/mailman/listinfo/amd64-list
> >
>
--
===============================================================================
Saurabh Barve Phone:
System Administrator/Data Specialist 970-491-7714 (voice)
Montgomery Research Group, 970-491-8449 (Fax)
Atmospheric Sciences Department,
Fort Collins, Colorado
Colorado State University
Mail : sa@xxxxxxxxxxxxxxxxxxx
Web : http://fjortoft.atmos.colostate.edu/~sa
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