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As its also only a= =20 compute node, I would prefer not to panic at all. Having a problem installing a new program? In > case it is important, the system is a Tyan S2881 with two opteron CPUs and > 8GB memory. LinuxQuestions.org > Forums > Linux Forums > Linux - Software GART TLB error generic level generic User Name Remember Me?

Re: Gart TLB errors From: Dave Peterson - 2005-07-13 16:53:25 On Tuesday 12 July 2005 05:59 am, Bernd Schubert wrote: > Hello, > > we are just experiencing GART TLB The original kernel version was 2.4.21-4.ELsmp. performance US Court Rules ... Check your Node Memory Interleave setting in the BIOS.

Was the information on this page helpful? If these errors do not appear to be fatal, you can generally ignore them. Thanks for bringing it to our attention. I doubt much of it will be of use to anyone else.

Please don't fill out this field. Juniper stripe Netscreen x86 PXE ... However, the system logs these messages, so I need to get rid of them. Please visit this page to clear all LQ-related cookies.

The following should be displayed in the setup option: Gart Table Walk Error MC reporting: Disabled/Enabled. Having an issue with several LS20 blades, AMD, Running Red Hat Linux 3.2.3-53. Last edited by dave, 10 years and 251 days ago. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features.

Dave Re: Gart TLB errors From: Bernd Schubert - 2005-07-15 13:03:46 Hello Dave, > Based on the AMD documentation, it looks like calling panic() is not the > best thing It is a known documented hardware bug that causes the spurious GART errors. Regards, GG On 11/28/05, Allen Smith wrote: > On Monday 28 November 2005 03:27 pm, Marcelino Mata wrote: > > > > Running RHEL 3.0 x86_64 U6 (2.4.21-37.Elsmp) Regards, Saurabh. -- ============================================================================= 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 atmos colostate

You are currently viewing LQ as a guest. Clydesdale View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by Clydesdale 08-13-2007, 06:47 PM #2 unSpawn Moderator Registered: May 2001 Posts: 29,273 While investigating other issues we found this error on a number of the machines. I am getting the majority of these messages on > > computers with >4Gb RAM but I have had the messages on computers with > > only 4GB RAM. > >

Based on the AMD documentation, it looks like calling panic() is not the best thing to do when this error occurs. They do not appear on the same machines running CentOS 4.2 for example. This is something we definitely need to fix. Dave Thread view Gart TLB errors From: Bernd Schubert - 2005-07-12 12:59:46 Hello, we are just experiencing GART TLB errors: BS0: GART TLB error: transaction type(generic), cache level (generic) BS0:

Thanks. For now we therefore had = to=20 remove the bluesmoke modules. This is something we definitely need to fix. For this reason, AMD recommends that the BIOS developers disable this function by setting bit 10 of MC4_CTL_MASK register (MSR C001_0048h) to a value of 1.

Viewed 2,555 times. #2 [diff] [history] [edit] [rdf] labels attachments Problem:Gratuitous errors from a SMP Opteron system: Feb 10 10:10:04 v20z-01 kernel: CPU 1: Silent Northbridge MCE Feb 10 10:10:04 v20z-01 Search this Thread 08-13-2007, 06:24 PM #1 Clydesdale LQ Newbie Registered: Aug 2007 Posts: 2 Rep: GART TLB error generic level generic Posted this in hardware too, we really Contact Us - Advertising Info - Rules - LQ Merchandise - Donations - Contributing Member - LQ Sitemap - Main Menu Linux Forum Android Forum Chrome OS Forum Search LQ I understand that I can withdraw my consent at any time.

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An example of the help message is: This option should remain disabled for normal operation. > The other problem is the immediate kernel panic, actually I told bluesmoke > not to Introduction to Linux - A Hands on Guide This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started Ideally, the action to take should be user-configurable. I have just downloaded this "BIOS and Kernel Developer's Guide for AMD Athlon 64 and AMD Opteron Processors" and will read it a bit over the weekend.

Posting a single thread in the most relevant forum will make it easier for members to help you and will keep the discussion in one place. Click Here to receive this Complete Guide absolutely free. Unfortunately the Linux MCE handler is too thorough and picks them up as corrected events. So, if I changed the login screen to a graphical screen, the message would get totally suppressed.

This results in a machine check exception when an AGP aperture access has no matching translation in the GART. Main Menu LQ Calendar LQ Rules LQ Sitemap Site FAQ View New Posts View Latest Posts Zero Reply Threads LQ Wiki Most Wanted Jeremy's Blog Report LQ Bug Syndicate Latest Please don't fill out this field. This is a known bug in RHEL3.

However, the machine does not beep continuously like it used to earlier. The BIOS and Kernel Developer's Guide for AMD Athlon 64 and AMD Opteron Processors (AMD Publication #26094, revision 3.26) states the following in Section 12.9.1 (GART Table Walk Error Reporting) on They hope these examples will help you to get a better understanding of the Linux system and that you feel encouraged to try out things on your own. As its also only a > compute node, I would prefer not to panic at all.

Notices Welcome to LinuxQuestions.org, a friendly and active Linux Community. However, I have checked my hardware, and I don't seem to have any bad RAM or anything. The device driver developer may enable this function for implementation and testing purposes. In > case it is important, the system is a Tyan S2881 with two opteron CPUs and > 8GB memory.

AMD also recommends adding a setup option to the BIOS setup menu. Briefly describe the problem (required): Upload screenshot of ad (required): Select a file, or drag & drop file here. ✔ ✘ Please provide the ad click URL, if possible: Home Browse CD Last edited by Clydesdale; 08-13-2007 at 06:25 PM. In the 64-bit version, the kernel uses the AGP aperture as IOMMU.

Registration is quick, simple and absolutely free. Also, a help message should be added with this setup option. Very helpful Somewhat helpful Not helpful End of content United StatesHewlett Packard Enterprise International Start of Country Selector content Select Your Country/Region and Language Click or use the tab key to Having a problem logging in?