Distribution: Debian/Sarge Hardware Environment: ngadamri@fbrnd005:~$ lspci -v 0000:00:00.0 Host bridge: ServerWorks CNB20LE Host Bridge (rev 05) Flags: bus master, medium devsel, latency 64 0000:00:00.1 Host bridge: ServerWorks CNB20LE Host Bridge (rev 05) Flags: bus master, medium devsel, latency 64 0000:00:02.0 VGA compatible controller: ATI Technologies Inc 3D Rage IIC 215IIC [Mach64 GT IIC] (rev 7a) (prog-if 00 [VGA]) Subsystem: Intel Corp.: Unknown device 4756 Flags: bus master, stepping, medium devsel, latency 66, IRQ 19 Memory at fa000000 (32-bit, prefetchable) [size=16M] I/O ports at 1000 [size=256] Memory at f9000000 (32-bit, non-prefetchable) [size=4K] Capabilities: <available only to root> 0000:00:03.0 Ethernet controller: Intel Corp. 82557/8/9 [Ethernet Pro 100] (rev 08) Subsystem: Intel Corp. 82557/8/9 [Ethernet Pro 100] Flags: bus master, medium devsel, latency 66, IRQ 18 Memory at f9001000 (32-bit, non-prefetchable) [size=4K] I/O ports at 1400 [size=64] Memory at f9100000 (32-bit, non-prefetchable) [size=1M] Capabilities: <available only to root> 0000:00:0f.0 ISA bridge: ServerWorks OSB4 South Bridge (rev 4f) Subsystem: ServerWorks OSB4 South Bridge Flags: bus master, medium devsel, latency 0 0000:00:0f.1 IDE interface: ServerWorks OSB4 IDE Controller (prog-if 8e [Master SecP SecO PriP]) Flags: bus master, medium devsel, latency 64 I/O ports at 0170 [size=8] I/O ports at 0374 [size=1] I/O ports at 1440 [size=16] 0000:01:0b.0 SCSI storage controller: Adaptec AHA-3960D / AIC-7899A U160/m (rev 01) Subsystem: Adaptec AHA-3960D U160/m Flags: bus master, 66MHz, medium devsel, latency 72, IRQ 21 BIST result: 00 I/O ports at 1800 [disabled] [size=256] Memory at fb000000 (64-bit, non-prefetchable) [size=4K] Capabilities: <available only to root> 0000:01:0b.1 SCSI storage controller: Adaptec AHA-3960D / AIC-7899A U160/m (rev 01) Subsystem: Adaptec AHA-3960D U160/m Flags: bus master, 66MHz, medium devsel, latency 72, IRQ 29 BIST result: 00 I/O ports at 2000 [disabled] [size=256] Memory at fb001000 (64-bit, non-prefetchable) [size=4K] Capabilities: <available only to root> ngadamri@fbrnd005:~$ cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 8 model name : Pentium III (Coppermine) stepping : 6 cpu MHz : 933.398 cache size : 256 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse bogomips : 1843.20 processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 8 model name : Pentium III (Coppermine) stepping : 6 cpu MHz : 933.398 cache size : 256 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse bogomips : 1863.68 Software Environment: root@fbrnd005:/var/log# uname -a Linux fbrnd005 2.6.8-20041008 #1 SMP Fri Oct 8 14:06:14 EDT 2004 i686 GNU/Linux Problem Description: In the logs: " Uhhuh. NMI received for unknown reason 2c on CPU 0. Dazed and confused, but trying to continue Do you have a strange power saving mode enabled? " System has been running almost continuously for 1 month (uptime when the error appeared was 17 days) and this is the first time this error has appeared in the logs. Steps to reproduce: First time this appears in the log. What should I be looking for? Similar problem, similar hardware here but no resolution: http://www.ussg.iu.edu/hypermail/linux/kernel/0205.1/0962.html
Created attachment 4028 [details] dmesg output for this server
Similar problem on my new system (ASUS M2NPV-VM with AMD 64 X2 chip). Partial dmesg output: [ 18.527613] ..MP-BIOS bug: 8254 timer not connected to IO-APIC [ 18.527645] failed. [ 18.527647] timer doesn't work through the IO-APIC - disabling NMI Watchdog! [ 18.531141] Uhhuh. NMI received for unknown reason 2d. [ 18.531143] Dazed and confused, but trying to continue [ 18.531145] Do you have a strange power saving mode enabled? fwiw power saving mode (from bios setup) is default (everything disabled except for power-button (<4 sec= instant off)
Forgot my kernel info: Linux version 2.6.15-26-amd64-generic (buildd@king) (gcc version 4.0.3 (Ubuntu 4.0.3-1ubuntu5)) #1 SMP PREEMPT Thu Aug 3 02:52:35 UTC 200
Issue also appears on A8M2N-LA (Bios 5.02 default settings / HP A1700N)
This message usually tells that some PCI card possibly generates bad transactions on the bus. Exact status bit definitions for NMI are defined by architecture and manufacturer. When NMI watchdog is running one wouldn't see such messages because NMI handler doesn't analyze status bits. Did the system work at some point with earlier kernel releases (in each case)? Is the error message still happening with latest kernels? Thanks.
Closing for no activity. Please reopen if confirmed with latest kernel.
we have the same problem on IBM x255 with RHEL 4ES - 2.6.9-22.ELsmp. pl give us update
Have the same on HW: Sun X4150 2x Xeon QuadCore X5460 64 GB # SPident CONCLUSION: System is up-to-date! found SLE-10-x86_64-SP2 after running for 5 months Jan 22 19:51:27 e84142 kernel: Uhhuh. NMI received for unknown reason 2c. Jan 22 19:51:27 e84142 kernel: Dazed and confused, but trying to continue Jan 22 19:51:27 e84142 kernel: Do you have a strange power saving mode enabled?
Something went wrong with your chipset. Not a kernel problem.
I have a similar problem with a HP Proliant DL360 G3 (that also uses the serverworks chipsets on the mobo) upon booting of 2.6.28.7 at the udev loading line in RHEL5. The problem does *not* occur on boot with RHEL5 kernels, e.g. 2.6.18.128.x.x .