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Pakiet losty. Dlaczego ? http://forum.freesco.pl/viewtopic.php?f=22&t=15310 |
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Autor: | wanter [ czwartek, 10 maja 2007, 17:05 ] |
Tytuł: | Pakiet losty. Dlaczego ? |
Witam. Mam problem z packet lostami. Jak pinguje www.wp.pl z serwera nie ma żadnych strat pingi z czasem 30~40 ms. Zapuszczając pinga z komputera podpiętego pod serwer eth1 mam czasy 50~60 ms i średnio co 10 pakiet to lost a nawet kilka z rzędu - zrywa mi połączenie gg. Komp to Celeron 300 i 128 ramu. Łącze do neta to 6mb neostrada. Czego to może być wina? Na serwie działa niceshaper, mrtg i statystyka ilości połączeń. Zaznaczam również, że do serwera jest podpiętych w porywach do 2 osób, wiec to nie przez zapchanie łącza. Nie mam na kompie żadnych robali ani innego świństwa. Gdzie pies pogrzebany? |
Autor: | Maciek [ czwartek, 10 maja 2007, 18:40 ] |
Tytuł: | |
Po pierwsze pinguj coś innego niż wp, tam zdarzają się utraty pakietów. Po drugie sprawdź w logach (kernel) i przejrzyj dmesg, czy nie ma jakichś problemów z kartą na serwerze, czasem błędy pokazuje również ifconfig. Szczególnie radziłbym na to zwrócić uwagę, jeśli karta to rtl8139. Przyczyny mogą leżeć również po stronie komputera klienckiego. |
Autor: | wanter [ czwartek, 10 maja 2007, 18:53 ] |
Tytuł: | |
ifconfig: Cytuj: eth0 Link encap:Ethernet HWaddr 00:30:84:78:67:48 inet addr:192.168.1.1 Bcast:192.168.1.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:32936 errors:0 dropped:0 overruns:0 frame:0 TX packets:27737 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:2415460 (2.3 Mb) TX bytes:4110660 (3.9 Mb) Interrupt:10 Base address:0x9000 eth1 Link encap:Ethernet HWaddr 00:0E:2E:8B:2D:11 inet addr:192.168.2.1 Bcast:192.168.2.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:269139 errors:0 dropped:0 overruns:0 frame:0 TX packets:282056 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:26896539 (25.6 Mb) TX bytes:116976656 (111.5 Mb) Interrupt:12 Base address:0xb000 eth2 Link encap:Ethernet HWaddr 00:60:4C:BE:0A:40 UP BROADCAST RUNNING MULTICAST MTU:65535 Metric:1 RX packets:314846 errors:0 dropped:0 overruns:0 frame:0 TX packets:296398 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:117726016 (112.2 Mb) TX bytes:30115413 (28.7 Mb) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) ppp0 Link encap:Point-to-Point Protocol inet addr:83.29.1.254 P-t-P:213.25.2.80 Mask:255.255.255.255 UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1492 Metric:1 RX packets:314415 errors:0 dropped:0 overruns:0 frame:0 TX packets:296196 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:3 RX bytes:116910438 (111.4 Mb) TX bytes:24205617 (23.0 Mb) /var/log/errors: Cytuj: May 10 05:02:13 router sshd[10885]: error: Could not get shadow information for NOUSER May 10 05:02:17 router sshd[10980]: error: Could not get shadow information for NOUSER May 10 05:02:20 router sshd[10982]: error: Could not get shadow information for NOUSER May 10 05:02:23 router sshd[11007]: error: Could not get shadow information for NOUSER May 10 05:02:26 router sshd[11009]: error: Could not get shadow information for NOUSER May 10 05:02:30 router sshd[11011]: error: Could not get shadow information for NOUSER May 10 05:02:33 router sshd[11013]: error: Could not get shadow information for NOUSER May 10 11:15:26 router kernel: [EAGLE-USB] SM: LOS Defect May 10 11:54:33 router kernel: [EAGLE-USB] SM: LOS Defect May 10 13:47:58 router last message repeated 2 times May 10 15:38:55 router kernel: [EAGLE-USB] CRC count threshold reached. Rebooting May 10 15:47:27 router pppoa[715]: read (AsyncReadFromPPP): Input/output error May 10 15:47:31 router pppd[474]: Cannot determine ethernet address for proxy ARP May 10 16:03:42 router sshd[547]: error: Could not get shadow information for NOUSER May 10 16:06:29 router kernel: [EAGLE-USB] CRC count threshold reached. Rebooting May 10 16:08:20 router kernel: [EAGLE-USB] CRC count threshold reached. Rebooting May 10 16:15:46 router pppd[371]: Cannot determine ethernet address for proxy ARP May 10 16:15:55 router thttpd[696]: socket :: - Address family not supported by protocol May 10 16:23:52 router kernel: [EAGLE-USB] CRC count threshold reached. Rebooting /var/log/kernel: Cytuj: May 10 16:14:47 router kernel: klogd 1.4.1, log source = /proc/kmsg started.
May 10 16:14:47 router kernel: Inspecting /boot/System.map May 10 16:14:48 router kernel: Loaded 21695 symbols from /boot/System.map. May 10 16:14:48 router kernel: Symbols match kernel version 2.4.32. May 10 16:14:48 router kernel: Loaded 158 symbols from 13 modules. May 10 16:14:48 router kernel: Linux version 2.4.32-6nnd (root@nnd-builder) (gcc version 3.3.3) #1 SMP śro sty 11 21:54:12 GMT 2006 May 10 16:14:48 router kernel: BIOS-provided physical RAM map: May 10 16:14:48 router kernel: BIOS-e820: 0000000000000000 - 00000000000a0000 (usable) May 10 16:14:48 router kernel: BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) May 10 16:14:48 router kernel: BIOS-e820: 0000000000100000 - 0000000007ff0000 (usable) May 10 16:14:48 router kernel: BIOS-e820: 0000000007ff0000 - 0000000007ff3000 (ACPI NVS) May 10 16:14:48 router kernel: BIOS-e820: 0000000007ff3000 - 0000000008000000 (ACPI data) May 10 16:14:48 router kernel: BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved) May 10 16:14:48 router kernel: 127MB LOWMEM available. May 10 16:14:48 router kernel: On node 0 totalpages: 32752 May 10 16:14:48 router kernel: zone(0): 4096 pages. May 10 16:14:48 router kernel: zone(1): 28656 pages. May 10 16:14:48 router kernel: zone(2): 0 pages. May 10 16:14:48 router kernel: DMI not present. May 10 16:14:48 router kernel: ACPI: RSDP (v000 VIA692 ) @ 0x000f64c0 May 10 16:14:49 router kernel: ACPI: RSDT (v001 AWARD AWRDACPI 0x30302e31 AWRD 0x00000000) @ 0x07ff3000 May 10 16:14:49 router kernel: ACPI: FADT (v001 AWARD AWRDACPI 0x30302e31 AWRD 0x00000000) @ 0x07ff3040 May 10 16:14:49 router kernel: ACPI: DSDT (v001 VIA692 AWRDACPI 0x00001000 MSFT 0x0100000a) @ 0x00000000 May 10 16:14:49 router kernel: Kernel command line: auto BOOT_IMAGE=NND_Router ro root=341 ide=nodma May 10 16:14:49 router kernel: ide_setup: ide=nodma : Prevented DMA May 10 16:14:49 router kernel: No local APIC present or hardware disabled May 10 16:14:50 router kernel: Initializing CPU#0 May 10 16:14:50 router kernel: Detected 300.698 MHz processor. May 10 16:14:50 router kernel: Console: colour dummy device 80x25 May 10 16:14:50 router kernel: Calibrating delay loop... 599.65 BogoMIPS May 10 16:14:50 router kernel: Memory: 126044k/131008k available (2089k kernel code, 4580k reserved, 598k data, 140k init, 0k highmem) May 10 16:14:50 router kernel: Dentry cache hash table entries: 16384 (order: 5, 131072 bytes) May 10 16:14:50 router kernel: Inode cache hash table entries: 8192 (order: 4, 65536 bytes) May 10 16:14:50 router kernel: Mount cache hash table entries: 512 (order: 0, 4096 bytes) May 10 16:14:50 router kernel: Buffer cache hash table entries: 4096 (order: 2, 16384 bytes) May 10 16:14:50 router kernel: Page-cache hash table entries: 32768 (order: 5, 131072 bytes) May 10 16:14:51 router kernel: CPU: L1 I cache: 16K, L1 D cache: 16K May 10 16:14:51 router kernel: CPU: L2 cache: 128K May 10 16:14:51 router kernel: CPU: After generic, caps: 0183f9ff 00000000 00000000 00000000 May 10 16:14:51 router kernel: CPU: Common caps: 0183f9ff 00000000 00000000 00000000 May 10 16:14:51 router kernel: Enabling fast FPU save and restore... done. May 10 16:14:51 router kernel: Checking 'hlt' instruction... OK. May 10 16:14:51 router kernel: POSIX conformance testing by UNIFIX May 10 16:14:51 router kernel: mtrr: v1.40 (20010327) Richard Gooch (rgooch@atnf.csiro.au) May 10 16:14:51 router kernel: mtrr: detected mtrr type: Intel May 10 16:14:51 router kernel: CPU: L1 I cache: 16K, L1 D cache: 16K May 10 16:14:51 router kernel: CPU: L2 cache: 128K May 10 16:14:51 router kernel: CPU: After generic, caps: 0183f9ff 00000000 00000000 00000000 May 10 16:14:51 router kernel: CPU: Common caps: 0183f9ff 00000000 00000000 00000000 May 10 16:14:51 router kernel: CPU0: Intel Celeron (Mendocino) stepping 00 May 10 16:14:51 router kernel: per-CPU timeslice cutoff: 365.75 usecs. May 10 16:14:52 router kernel: SMP motherboard not detected. May 10 16:14:52 router kernel: Local APIC not detected. Using dummy APIC emulation. May 10 16:14:52 router kernel: Waiting on wait_init_idle (map = 0x0) May 10 16:14:52 router kernel: All processors have done init_idle May 10 16:14:52 router kernel: PCI: PCI BIOS revision 2.10 entry at 0xfb2a0, last bus=1 May 10 16:14:52 router kernel: PCI: Using configuration type 1 May 10 16:14:52 router kernel: PCI: Probing PCI hardware May 10 16:14:52 router kernel: PCI: Probing PCI hardware (bus 00) May 10 16:14:52 router kernel: PCI: Via IRQ fixup May 10 16:14:52 router kernel: PCI: Using IRQ router VIA [1106/0596] at 00:07.0 May 10 16:14:52 router kernel: Activating ISA DMA hang workarounds. May 10 16:14:52 router kernel: Linux NET4.0 for Linux 2.4 May 10 16:14:52 router kernel: Based upon Swansea University Computer Society NET3.039 May 10 16:14:52 router kernel: Initializing RT netlink socket May 10 16:14:52 router kernel: Starting kswapd May 10 16:14:52 router kernel: VFS: Disk quotas vdquot_6.5.1 May 10 16:14:52 router kernel: Journalled Block Device driver loaded May 10 16:14:53 router kernel: SGI XFS with no debug enabled May 10 16:14:53 router kernel: SGI XFS Quota Management subsystem May 10 16:14:53 router kernel: vga16fb: initializing May 10 16:14:53 router kernel: vga16fb: mapped to 0xc00a0000 May 10 16:14:53 router kernel: Console: switching to colour frame buffer device 80x30 May 10 16:14:53 router kernel: fb0: VGA16 VGA frame buffer device May 10 16:14:53 router kernel: Detected PS/2 Mouse Port. May 10 16:14:53 router kernel: pty: 512 Unix98 ptys configured May 10 16:14:53 router kernel: keyboard: Timeout - AT keyboard not present?(ed) May 10 16:14:53 router kernel: keyboard: Timeout - AT keyboard not present?(f4) May 10 16:14:53 router kernel: Serial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ SERIAL_PCI enabled May 10 16:14:53 router kernel: ttyS00 at 0x03f8 (irq = 4) is a 16550A May 10 16:14:53 router kernel: ttyS01 at 0x02f8 (irq = 3) is a 16550A May 10 16:14:53 router kernel: Real Time Clock Driver v1.10f May 10 16:14:53 router kernel: FDC 0 is a post-1991 82077 May 10 16:14:53 router kernel: RAMDISK driver initialized: 16 RAM disks of 7777K size 1024 blocksize May 10 16:14:53 router kernel: loop: loaded (max 8 devices) May 10 16:14:53 router kernel: Uniform Multi-Platform E-IDE driver Revision: 7.00beta4-2.4 May 10 16:14:53 router kernel: ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx May 10 16:14:53 router kernel: VP_IDE: IDE controller at PCI slot 00:07.1 May 10 16:14:53 router kernel: VP_IDE: chipset revision 6 May 10 16:14:53 router kernel: VP_IDE: not 100%% native mode: will probe irqs later May 10 16:14:53 router kernel: VP_IDE: VIA vt82c596a (rev 05) IDE UDMA33 controller on pci00:07.1 May 10 16:14:53 router kernel: ide0: BM-DMA at 0xe000-0xe007, BIOS settings: hda:pio, hdb:pio May 10 16:14:53 router kernel: ide1: BM-DMA at 0xe008-0xe00f, BIOS settings: hdc:pio, hdd:pio May 10 16:14:53 router kernel: hdb: C/H/S=0/0/0 from BIOS ignored May 10 16:14:53 router kernel: hdb: ST33232A, ATA DISK drive May 10 16:14:53 router kernel: ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 May 10 16:14:53 router kernel: hdb: attached ide-disk driver. May 10 16:14:53 router kernel: hdb: 6303024 sectors (3227 MB) w/128KiB Cache, CHS=6253/16/63 May 10 16:14:53 router kernel: Partition check: May 10 16:14:53 router kernel: hdb: hdb1 hdb2 May 10 16:14:54 router kernel: Initializing Cryptographic API May 10 16:14:54 router kernel: NET4: Linux TCP/IP 1.0 for NET4.0 May 10 16:14:54 router kernel: IP Protocols: ICMP, UDP, TCP, IGMP May 10 16:14:54 router kernel: IP: routing cache hash table of 512 buckets, 4Kbytes May 10 16:14:54 router kernel: TCP: Hash tables configured (established 8192 bind 8192) May 10 16:14:54 router kernel: NET4: Unix domain sockets 1.0/SMP for Linux NET4.0. May 10 16:14:54 router kernel: EXT3-fs: INFO: recovery required on readonly filesystem. May 10 16:14:54 router kernel: EXT3-fs: write access will be enabled during recovery. May 10 16:14:54 router kernel: kjournald starting. Commit interval 5 seconds May 10 16:14:54 router kernel: EXT3-fs: ide0(3,65): orphan cleanup on readonly fs May 10 16:14:54 router kernel: ext3_orphan_cleanup: deleting unreferenced inode 112695 May 10 16:14:54 router kernel: ext3_orphan_cleanup: deleting unreferenced inode 112691 May 10 16:14:54 router kernel: ext3_orphan_cleanup: deleting unreferenced inode 112694 May 10 16:14:54 router kernel: ext3_orphan_cleanup: deleting unreferenced inode 112693 May 10 16:14:54 router kernel: ext3_orphan_cleanup: deleting unreferenced inode 112690 May 10 16:14:54 router kernel: ext3_orphan_cleanup: deleting unreferenced inode 112692 May 10 16:14:54 router kernel: ext3_orphan_cleanup: deleting unreferenced inode 112683 May 10 16:14:54 router kernel: ext3_orphan_cleanup: deleting unreferenced inode 112689 May 10 16:14:54 router kernel: EXT3-fs: ide0(3,65): 8 orphan inodes deleted May 10 16:14:54 router kernel: EXT3-fs: recovery complete. May 10 16:14:54 router kernel: EXT3-fs: mounted filesystem with ordered data mode. May 10 16:14:54 router kernel: VFS: Mounted root (ext3 filesystem) readonly. May 10 16:14:54 router kernel: Freeing unused kernel memory: 140k freed May 10 16:14:54 router kernel: Adding Swap: 65524k swap-space (priority -1) May 10 16:14:54 router kernel: EXT3 FS 2.4-0.9.19, 19 August 2002 on ide0(3,65), internal journal May 10 16:14:54 router kernel: ip_tables: (C) 2000-2002 Netfilter core team May 10 16:14:54 router kernel: ip_conntrack version 2.1 (1023 buckets, 8184 max) - 292 bytes per conntrack May 10 16:14:54 router kernel: usb.c: registered new driver usbdevfs May 10 16:14:54 router kernel: usb.c: registered new driver hub May 10 16:14:54 router kernel: [eagle-usb] driver V2.3.2 loaded May 10 16:14:54 router kernel: usb.c: registered new driver eagle-usb May 10 16:14:54 router kernel: uhci.c: USB Universal Host Controller Interface driver v1.1 May 10 16:14:55 router kernel: uhci.c: USB UHCI at I/O 0xe400, IRQ 11 May 10 16:14:55 router kernel: usb.c: new USB bus registered, assigned bus number 1 May 10 16:14:55 router kernel: hub.c: USB hub found May 10 16:14:55 router kernel: hub.c: 2 ports detected May 10 16:14:55 router kernel: 8139too Fast Ethernet driver 0.9.26 May 10 16:14:55 router kernel: PCI: Found IRQ 10 for device 00:08.0 May 10 16:14:55 router kernel: eth0: RealTek RTL8139 at 0xc8879000, 00:30:84:78:67:48, IRQ 10 May 10 16:14:55 router kernel: eth0: Identified 8139 chip type 'RTL-8139C' May 10 16:14:55 router kernel: PCI: Found IRQ 12 for device 00:09.0 May 10 16:14:55 router kernel: eth1: RealTek RTL8139 at 0xc887b000, 00:0e:2e:8b:2d:11, IRQ 12 May 10 16:14:55 router kernel: eth1: Identified 8139 chip type 'RTL-8100B/8139D' May 10 16:14:55 router kernel: hub.c: new USB device 00:07.2-1, assigned address 2 May 10 16:14:55 router kernel: [eagle-usb] New pre-firmware modem detected May 10 16:14:55 router kernel: [eagle-usb] Uploading firmware.. May 10 16:14:55 router kernel: uhci.c: uhci_transfer_result: called for URB c7f11320 not in flight? May 10 16:14:55 router kernel: [eagle-usb] Binding eu_instance_t to USB 001/002 May 10 16:14:55 router kernel: usb.c: USB disconnect on device 00:07.2-1 address 2 May 10 16:14:55 router kernel: [eagle-usb] Pre-firmware modem removed May 10 16:14:55 router kernel: hub.c: new USB device 00:07.2-1, assigned address 3 May 10 16:14:55 router kernel: [eagle-usb] New USB ADSL device detected, waiting for DSP code... May 10 16:14:55 router kernel: [eagle-usb] created proc entry at : /proc/driver/eagle-usb/001-003 May 10 16:14:55 router kernel: eth0: link up, 100Mbps, full-duplex, lpa 0x41E1 May 10 16:14:55 router kernel: eth1: link up, 100Mbps, full-duplex, lpa 0xC5E1 May 10 16:14:55 router kernel: [eagle-usb] ioctl EU_IO_CMVS received and treated. May 10 16:14:55 router kernel: [eagle-usb] ioctl EU_IO_OPTIONS received May 10 16:14:55 router kernel: [eagle-usb] ioctl EU_IO_DSP received May 10 16:14:55 router kernel: [eagle-usb] Loading DSP code to device... May 10 16:14:55 router kernel: [eagle-usb] DSP code successfully loaded to device May 10 16:15:33 router kernel: [eagle-usb] Modem operational !! May 10 16:15:33 router kernel: [eagle-usb] Ethernet device eth2 created. May 10 16:15:35 router kernel: CSLIP: code copyright 1989 Regents of the University of California May 10 16:15:35 router kernel: PPP generic driver version 2.4.2 May 10 16:15:49 router kernel: HTB init, kernel part version 3.17 May 10 16:15:49 router kernel: HTB: quantum of class 10001 is big. Consider r2q change. May 10 16:15:49 router kernel: HTB init, kernel part version 3.17 May 10 16:15:49 router kernel: HTB: quantum of class 10001 is big. Consider r2q change. May 10 16:15:49 router kernel: HTB init, kernel part version 3.17 May 10 16:23:52 router kernel: [EAGLE-USB] CRC count threshold reached. Rebooting May 10 16:24:14 router kernel: [eagle-usb] Modem operational !! Ups właśnie zobaczyłem, że mój plik /var/log/auth zajmuje ponad 90 MB to chyba nie jest normalne? Ktoś się chciał włamać? Co mam z tym zrobić? |
Autor: | rikardo7 [ piątek, 11 maja 2007, 06:45 ] |
Tytuł: | |
prawdopodobnie ssh dziala ci na 22 porcie, w /etc/ssh/sshd.config zmien port |
Autor: | wanter [ piątek, 11 maja 2007, 11:18 ] |
Tytuł: | |
Tak zrobiłem. A co do pakiet lostów? Ma ktoś jakaś rade na te błędy CRC i rozłączanie modemu? Cytuj: May 10 16:08:20 router kernel: [EAGLE-USB] CRC count threshold reached. Rebooting
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Autor: | wanter [ czwartek, 5 lipca 2007, 12:30 ] |
Tytuł: | |
Witam po raz kolejny. Znalazłem (niby) rozwiązanie tych błędów CRC, a mianowicie: http://faq.eagle-usb.org/wakka.php?wiki=CRC Tylko niestety dodanie: Cytuj: cw optn 7 0x02800000
do /etc/eagle/CMVep.txt powoduje, że modem przestaje się w ogóle synchronizować. I teraz prośba. Kto spaczkuje te sterowniki: http://dev.eagle-usb.org/wakka.php?wiki=DevEagleUsbATM Znajdują się pod adresem: http://download.gna.org/ueagleatm/ Na nich podobno nie ma już tego problemu z błędami CRC, a niestety nie potrafię ich zainstalować ze źródeł. |
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