Public bug reported: Every 300s on the dot I get this in dmesg:
[ 300.804131] [Hardware Error]: CPU:1 MC0_STATUS[-|CE|-|-|AddrV|CECC]: 0x9467400000000136 [ 300.804147] [Hardware Error]: MC0_ADDR: 0x00000003f2f7c5c0 [ 300.804152] [Hardware Error]: Data Cache Error: during L1 linefill from L2. [ 300.804160] [Hardware Error]: cache level: L2, tx: DATA, mem-tx: DRD [ 300.804171] [Hardware Error]: CPU:1 MC1_STATUS[Over|CE|-|-|-]: 0xd000000000000171 [ 300.804178] [Hardware Error]: Instruction Cache Error: Copyback Parity/Victim error. [ 300.804184] [Hardware Error]: cache level: L1, tx: INSN, mem-tx: EV [ 300.804194] [Hardware Error]: CPU:1 MC2_STATUS[Over|CE|-|-|AddrV|CECC]: 0xd40040000000018a [ 300.804202] [Hardware Error]: MC2_ADDR: 0x00000003e7d745c0 [ 300.804207] [Hardware Error]: Bus Unit Error: SNP error during data copyback. [ 300.804213] [Hardware Error]: cache level: L2, tx: GEN, mem-tx: SNP Same again at 600.804..., 900.804..., etc. for as long as my computer is on. cat /proc/cpuinfo says: processor : 0 vendor_id : AuthenticAMD cpu family : 16 model : 4 model name : AMD Phenom(tm) II X4 955 Processor stepping : 2 microcode : 0x1000086 cpu MHz : 800.000 cache size : 512 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 4 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nopl nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt npt lbrv svm_lock nrip_save bogomips : 6428.47 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate (...and repeated for the next 3 cores.) This only started happening with my recent upgrade to Ubuntu 12.04. I'm running linux-image-3.2.0-24-generic 3.2.0-24.37. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.2.0-24-generic 3.2.0-24.37 ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14 Uname: Linux 3.2.0-24-generic x86_64 NonfreeKernelModules: nvidia AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu7 Architecture: amd64 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D1c', '/dev/snd/pcmC0D1p', '/dev/snd/pcmC0D2c', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. Card0.Amixer.info: Card hw:0 'SB'/'HDA ATI SB at 0xfe024000 irq 16' Mixer name : 'Realtek ALC889' Components : 'HDA:10ec0889,1458a102,00100004' Controls : 48 Simple ctrls : 22 Date: Wed May 2 22:20:15 2012 HibernationDevice: RESUME=UUID=078f1193-c57b-4c6f-a307-7eeb09d49fff InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425) IwConfig: lo no wireless extensions. eth1 no wireless extensions. eth0 no wireless extensions. MachineType: Gigabyte Technology Co., Ltd. GA-790FXTA-UD5 ProcEnviron: TERM=xterm PATH=(custom, user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 VESA VGA ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-24-generic root=UUID=cde6d387-0099-461a-9b23-cfe68018e3f7 ro quiet splash irqpoll vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.2.0-24-generic N/A linux-backports-modules-3.2.0-24-generic N/A linux-firmware 1.79 RfKill: 0: hci0: Bluetooth Soft blocked: no Hard blocked: no SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 12/03/2009 dmi.bios.vendor: Award Software International, Inc. dmi.bios.version: F2 dmi.board.name: GA-790FXTA-UD5 dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.type: 3 dmi.chassis.vendor: Gigabyte Technology Co., Ltd. dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF2:bd12/03/2009:svnGigabyteTechnologyCo.,Ltd.:pnGA-790FXTA-UD5:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-790FXTA-UD5:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr: dmi.product.name: GA-790FXTA-UD5 dmi.sys.vendor: Gigabyte Technology Co., Ltd. ** Affects: linux (Ubuntu) Importance: Undecided Status: Confirmed ** Tags: amd64 apport-bug precise -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/993758 Title: hardware errors every 300s To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/993758/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs