Bug#252289: general: system clock goes chaoticly causing system breakdown
On Thu, 3 Jun 2004, J.A. Bezemer wrote:
> > Package: general
> > Severity: critical
> > Justification: breaks the whole system, causes serious data loss
>
> Are you running ntpd?
No. I have only ntpdate installed, which sets date only once at boot, I
think. It was installed to fix this problem, but it didnot help.
> And if you're not running ntpd - just try, and see if it either notices
> the problems as well, or is able to correct/prevent them.
OK, though once the clock stops setting it by date or ntpdate does not
make it go again, and I have to reboot.
> Also, your ntp time server may be the problem; choose another one
Since I don't use ntpd, it is probably not the ntp time server.
> If ntp isn't the problem, then it's probably your hardware. (I'd guess
> memory; try to swap it with another box.)
Can it be a memory problem ? But I don't see any problem when booting
WinXP.
I copy below a part of dmesg output, cpuinfo, and meminfo. It is an IBM
machine with 1GB memory. I don't know why dmesg report 126+896=1022MB, and
later 1047040kB=1022.5MB. I tried to put mem=1024M into /etc/lilo.conf.
Thank for replying.
Andras
dmesg:
126MB HIGHMEM available.
896MB LOWMEM available.
found SMP MP-table at 000f62d0
hm, page 000f6000 reserved twice.
hm, page 000f7000 reserved twice.
hm, page 0009f000 reserved twice.
hm, page 000a0000 reserved twice.
On node 0 totalpages: 261760
zone(0): 4096 pages.
zone(1): 225280 pages.
zone(2): 32384 pages.
IBM machine detected. Enabling interrupts during APM calls.
Intel MultiProcessor Specification v1.4
Virtual Wire compatibility mode.
OEM ID: IBM Product ID: NETVISTA APIC at: 0xFEE00000
Processor #0 Pentium 4(tm) XEON(tm) APIC version 20
I/O APIC #1 Version 32 at 0xFEC00000.
Enabling APIC mode: Flat. Using 1 I/O APICs
Processors: 1
Kernel command line: auto BOOT_IMAGE=Linux2.4.26-1.0 ro root=1602 mem=1024M
Initializing CPU#0
Detected 1794.224 MHz processor.
Console: colour VGA+ 80x25
Calibrating delay loop... 3578.26 BogoMIPS
Memory: 1032508k/1047040k available (1022k kernel code, 14080k res
erved, 382k data, 100k init, 129472k highmem)
Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes)
Inode cache hash table entries: 65536 (order: 7, 524288 bytes)
Mount cache hash table entries: 512 (order: 0, 4096 bytes)
Buffer cache hash table entries: 65536 (order: 6, 262144 bytes)
Page-cache hash table entries: 262144 (order: 8, 1048576 bytes)
CPU: Trace cache: 12K uops, L1 D cache: 8K
CPU: L2 cache: 512K
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
CPU: After generic, caps: 3febfbff 00000000 00000000 00000000
CPU: Common caps: 3febfbff 00000000 00000000 00000000
CPU: Intel(R) Pentium(R) 4 CPU 1.80GHz stepping 04
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Checking 'hlt' instruction... OK.
POSIX conformance testing by UNIFIX
enabled ExtINT on CPU#0
ESR value before enabling vector: 00000000
ESR value after enabling vector: 00000000
ENABLING IO-APIC IRQs
Setting 1 in the phys_id_present_map
...changing IO-APIC physical APIC ID to 1 ... ok.
init IO_APIC IRQs
IO-APIC (apicid-pin) 1-0, 1-21, 1-22 not connected.
..TIMER: vector=0x31 pin1=-1 pin2=0
...trying to set up timer (IRQ0) through the 8259A ...
..... (found pin 0) ...works.
number of MP IRQ sources: 25.
number of IO-APIC #1 registers: 24.
testing the IO APIC.......................
/proc/cpuinfo:
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) Pentium(R) 4 CPU 1.80GHz
stepping : 4
cpu MHz : 1794.224
cache size : 512 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 clflush dts acpi mmx fxsr sse sse2 ss ht tm
bogomips : 3578.26
/proc/meminfo:
total: used: free: shared: buffers: cached:
Mem: 1057390592 92241920 965148672 0 13676544 47439872
Swap: 1036341248 0 1036341248
MemTotal: 1032608 kB
MemFree: 942528 kB
MemShared: 0 kB
Buffers: 13356 kB
Cached: 46328 kB
SwapCached: 0 kB
Active: 18996 kB
Inactive: 57416 kB
HighTotal: 129472 kB
HighFree: 65788 kB
LowTotal: 903136 kB
LowFree: 876740 kB
SwapTotal: 1012052 kB
SwapFree: 1012052 kB
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