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ahoj, mam produkcni server, jede na nem webreporting (php'a mysql) je nutne pro chod firmy aby to bylo dostupne.

Server ovšem vykazuje znamku nějakeho problemu s HW.

Několikrat spadla mysql DB, jednou spadl cely kernel, vždy s hlášením "segmentition fallout" v LOGU se obevuji ruzne chyby (viz priloha na konci dotazu). Server se skutecne nesmy vypnout, ted jede (zda se), ale nevim kdy pride dalsi spadly proces (krom mysql databaze padaji i jine procesy, jednou trepa spadl sshd.. grr).

Potrebuji nejak, co nejlepe stanovit diagnozu a vhodne zakrocit. Znate nejake nastroje pro testovani RAM za behu serveru? a testy CPU atd atd...?

nekolik informaci o serveru:

Linux projekty 2.4.26-amd64 #1 Wed Aug 25 15:14:05 CEST 2004 i686 GNU/Linux



cat /proc/cpuinfo
processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 12
model name      : AMD Athlon(tm) 64 Processor 3000+
stepping        : 0
cpu MHz         : 1994.365
cache size      : 512 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
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 syscall mmxext lm 3dnowext 3dnow
bogomips        : 3971.48


lspci:
0000:00:00.0 Host bridge: VIA Technologies, Inc. VT8385 [K8T800 AGP] Host Bridge (rev 01)
0000:00:01.0 PCI bridge: VIA Technologies, Inc. VT8237 PCI bridge [K8T800 South]
0000:00:08.0 VGA compatible controller: S3 Inc. ViRGE/GX2 (rev 04)
0000:00:0d.0 FireWire (IEEE 1394): VIA Technologies, Inc. IEEE 1394 Host Controller (rev 80)
0000:00:0f.0 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
0000:00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
0000:00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
0000:00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
0000:00:10.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
0000:00:10.4 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 86)
0000:00:10.5 Network controller: VIA Technologies, Inc. VT8237 Integrated Fast Ethernet Controller
0000:00:11.0 ISA bridge: VIA Technologies, Inc. VT8237 ISA bridge [K8T800 South]
0000:00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 78)
0000:00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 NorthBridge
0000:00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 NorthBridge
0000:00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 NorthBridge
0000:00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 NorthBridge




projekty:~# free
             total       used       free     shared    buffers     cached
Mem:       1034000     307244     726756          0     132784      97164
-/+ buffers/cache:      77296     956704
Swap:      4000168          0    4000168
projekty:~# vmstat
procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in    cs us sy id wa
 0  0      0 726708 132804  97180    0    0    17    23  645  1188  0  2 98  0
projekty:~# mount
/dev/md1 on / type ext3 (rw,errors=remount-ro)
proc on /proc type proc (rw)
/dev/md2 on /usr type ext3 (rw)
/dev/md6 on /var type ext3 (rw)
/dev/md4 on /home type ext3 (rw)
/dev/md5 on /tmp type ext3 (rw)
/dev/md3 on /var/log type ext3 (rw)






Chyba, ktera se ukaze v logu pri padu nejakeho procesu:
Dec 20 08:44:38 projekty kernel: Unable to handle kernel paging request at virtual address fffffe58
Dec 20 08:44:38 projekty kernel:  printing eip:
Dec 20 08:44:38 projekty kernel: c0122a2a
Dec 20 08:44:38 projekty kernel: *pde = 00002063
Dec 20 08:44:38 projekty kernel: *pte = 00000000
Dec 20 08:44:38 projekty kernel: Oops: 0000
Dec 20 08:44:38 projekty kernel: CPU:    0
Dec 20 08:44:38 projekty kernel: EIP:    0010:[[ c0122a2a>]    Not tainted
Dec 20 08:44:38 projekty kernel: EFLAGS: 00010286
Dec 20 08:44:38 projekty kernel: eax: fffffe50   ebx: 000036ec   ecx: 00000012   edx: 00017432
Dec 20 08:44:38 projekty kernel: esi: f754b744   edi: 000036ec   ebp: f7f5d0c8   esp: c9637eec
Dec 20 08:44:38 projekty kernel: ds: 0018   es: 0018   ss: 0018
Dec 20 08:44:38 projekty kernel: Process tar (pid: 32083, stackpage=c9637000)
Dec 20 08:44:38 projekty kernel: Stack: 000036ec f066edc0 000036d0 0000001b f066edc0 c0123107 c12ae4e0 f7f5cfdc
Dec 20 08:44:38 projekty kernel:        00000000 f754b744 0000001f 00000020 00006bc3 c0123322 00000001 f066edc0
Dec 20 08:44:38 projekty kernel:        f754b680 c12ae4e0 00000000 f066edc0 08071000 f066ede0 00001000 00000001
Dec 20 08:44:38 projekty kernel: Call Trace:    [[ c0123107>] [[ c0123322>] [[c0123992>] [[ c0123840>] [[ c012fd36>]
Dec 20 08:44:38 projekty kernel:   [[ c0106c63>]
Dec 20 08:44:38 projekty kernel:
Dec 20 08:44:38 projekty kernel: Code: 39 70 08 75 f4 39 78 0c 75 ef 85 c0 74 08 31 c0 eb 56 8d 74

dik za jakykoliv napad,