> Querido Hélio muito obrigado pela resposta!
>
> observando a leitura do arquivo que vc me orientou primeiramente aparece
> isso:
>
> pr 20 13:42:01 router kernel: [222653.554393] UDP: bad checksum. From
>
186.214.57.238:33622 to
187.14.17.118:61642 ulen 1446
> Apr 20 13:42:44 router kernel: [222696.003130] UDP: bad checksum. From
>
186.214.57.238:33622 to
187.14.17.118:61642 ulen 1446
> Apr 20 13:42:52 router kernel: [222704.699810] UDP: bad checksum. From
>
186.214.57.238:33622 to
187.14.17.118:61642 ulen 1446
> Apr 20 13:42:52 router kernel: [222704.763835] UDP: bad checksum. From
>
186.214.57.238:33622 to
187.14.17.118:61642 ulen 1446
> Apr 20 13:43:24 router kernel: [222736.678546] UDP: bad checksum. From
>
186.214.57.238:33622 to
187.14.17.118:61642 ulen 1446
> Apr 20 13:43:27 router kernel: [222739.618334] UDP: bad checksum. From
>
186.214.57.238:33622 to
187.14.17.118:61642 ulen 1446
> Apr 20 13:43:37 router kernel: [222749.741859] UDP: bad checksum. From
>
186.214.57.238:33622 to
187.14.17.118:61642 ulen 1446
> Apr 20 13:48:20 router kernel: [223032.507520] UDP: bad checksum. From
>
186.214.57.238:33622 to
187.14.17.118:61642 ulen 1446
>
>
> depois aparece isso:
>
> Apr 20 22:40:32 router kernel: [254964.820002] ------------[ cut here
> ]------------
> Apr 20 22:40:32 router kernel: [254964.820002] WARNING: at
> net/sched/sch_generic.c:222 dev_watchdog+0xa6/0xfb()
> Apr 20 22:40:32 router kernel: [254964.820002] Modules linked in: wlan_wep
> bridge wlan_scan_ap ipt_REDIRECT ipt_MASQUERADE iptable_nat nf_nat
> nf_conntrack_ipv4 nf_conntrack iptable_filter xt_TCPMSS xt_tcpmss xt_tcpudp
> iptable_mangle ip_tables x_tables pppoe pppox ppp_generic slhc ipv6 loop
> wlan_scan_sta ath_rate_sample ath_pci wlan ath_hal(P) parport_pc parport
> snd_pcsp k8temp shpchp pci_hotplug snd_intel8x0 snd_ac97_codec ac97_bus
> snd_pcm snd_timer snd soundcore snd_page_alloc button i2c_nforce2 i2c_core
> evdev ext3 jbd mbcache ide_cd_mod cdrom ide_disk ata_generic sata_nv libata
> scsi_mod dock 3c59x mii ide_pci_generic amd74xx ide_core forcedeth ehci_hcd
> ohci_hcd thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
> Apr 20 22:40:32 router kernel: [254964.820002] Pid: 0, comm: swapper
> Tainted: P 2.6.26-2-amd64 #1
> Apr 20 22:40:32 router kernel: [254964.820002]
> Apr 20 22:40:32 router kernel: [254964.820002] Call Trace:
> Apr 20 22:40:32 router kernel: [254964.820002] <IRQ> [<ffffffff80234958>]
> warn_on_slowpath+0x51/0x7a
> Apr 20 22:40:32 router kernel: [254964.820002] [<ffffffffa01f870f>]
>
> :ath_hal:zz00057cd9+0x150/0x15f
>
> Apr 20 22:40:32 router kernel: [254964.820002] [<ffffffffa01e3e33>]
>
> :ath_hal:ath_hal_process_noisefloor+0x14d/0x2fa1
>
> Apr 20 22:40:32 router kernel: [254964.820002] [<ffffffffa01e3c91>]
>
> :ath_hal:zz00007c1a+0x1d/0x72
>
> Apr 20 22:40:32 router kernel: [254964.820002] [<ffffffffa02953d3>]
>
> :ath_pci:ath_set_ack_bitrate+0x226/0x233
>
> Apr 20 22:40:32 router kernel: [254964.820002] [<ffffffffa0276b13>]
>
> :ath_pci:ath_reset+0x2c8/0x314
>
> Apr 20 22:40:32 router kernel: [254964.820002] [<ffffffff803ccc32>]
> dev_watchdog+0x0/0xfb
> Apr 20 22:40:32 router kernel: [254964.820002] [<ffffffff803cccd8>]
> dev_watchdog+0xa6/0xfb
> Apr 20 22:40:32 router kernel: [254964.820002] [<ffffffff803ccc32>]
> dev_watchdog+0x0/0xfb
> Apr 20 22:40:32 router kernel: [254964.820002] [<ffffffff8023ca01>]
> run_timer_softirq+0x16a/0x1e2
> Apr 20 22:40:32 router kernel: [254964.820002] [<ffffffff802393cd>]
> __do_softirq+0x5c/0xd1
> Apr 20 22:40:32 router kernel: [254964.820002] [<ffffffff8020d2dc>]
> call_softirq+0x1c/0x28
> Apr 20 22:40:32 router kernel: [254964.820002] [<ffffffff8020f3e8>]
> do_softirq+0x3c/0x81
> Apr 20 22:40:32 router kernel: [254964.820002] [<ffffffff8023932b>]
> irq_exit+0x3f/0x85
> Apr 20 22:40:32 router kernel: [254964.820002] [<ffffffff8021aaab>]
> smp_apic_timer_interrupt+0x8c/0xa4
> Apr 20 22:40:32 router kernel: [254964.820002] [<ffffffff8020b0ae>]
> default_idle+0x0/0x46
> Apr 20 22:40:32 router kernel: [254964.820002] [<ffffffff8020cd02>]
> apic_timer_interrupt+0x72/0x80
> Apr 20 22:40:32 router kernel: [254964.820002] <EOI> [<ffffffff8021a857>]
> lapic_next_event+0x0/0x13
> Apr 20 22:40:32 router kernel: [254964.820002] [<ffffffff8021eb64>]
> native_safe_halt+0x2/0x3
> Apr 20 22:40:32 router kernel: [254964.820002] [<ffffffff8020b0d8>]
> default_idle+0x2a/0x46
>
> e em seguida fica tudo assim:
>
> Apr 20 22:40:32 router kernel: [254964.820002] ---[ end trace
> 6ab9d78664740dd3 ]---
> Apr 20 22:40:42 router kernel: [254974.816007] NETDEV WATCHDOG: wifi0:
> transmit timed out
> Apr 20 22:40:52 router kernel: [254984.816008] NETDEV WATCHDOG: wifi0:
> transmit timed out
> Apr 20 22:41:02 router kernel: [254994.816007] NETDEV WATCHDOG: wifi0:
> transmit timed out
> Apr 20 22:41:17 router kernel: [255009.816007] NETDEV WATCHDOG: wifi0:
> transmit timed out
> Apr 20 22:41:27 router kernel: [255019.816007] NETDEV WATCHDOG: wifi0:
> transmit timed out
> Apr 20 22:41:37 router kernel: [255029.816007] NETDEV WATCHDOG: wifi0:
> transmit timed out
> Apr 20 22:41:47 router kernel: [255039.816007] NETDEV WATCHDOG: wifi0:
> transmit timed out
> Apr 20 22:41:57 router kernel: [255049.816008] NETDEV WATCHDOG: wifi0:
> transmit timed out
> Apr 20 22:42:07 router kernel: [255059.816007] NETDEV WATCHDOG: wifi0:
> transmit timed out
> Apr 20 22:42:17 router kernel: [255069.816006] NETDEV WATCHDOG: wifi0:
> transmit timed out
> Apr 20 22:42:27 router kernel: [255079.816009] NETDEV WATCHDOG: wifi0:
> transmit timed out
> Apr 20 22:42:37 router kernel: [255089.816007] NETDEV WATCHDOG: wifi0:
> transmit timed out
>
> Isso é o que aparece no kern.log. O que eu poderia fazer de posse nestas
> informações. Abraços,