[7.860][BUG][UNABLE TO DUPLICATE] system require reboot

Would be nice if you could send the log that contains the error message

does this give some idea this is from prv log send to u 

010:01:15-17:41:49 acenn kernel: ------------[ cut here ]------------
2010:01:15-17:41:49 acenn kernel: WARNING: at net/sched/sch_generic.c:246 dev_watchdog+0x103/0x19c()
2010:01:15-17:41:49 acenn kernel: Hardware name:         
2010:01:15-17:41:49 acenn kernel: NETDEV WATCHDOG: eth1 (3c59x): transmit queue 0 timed out
2010:01:15-17:41:49 acenn kernel: Modules linked in: ide_cd_mod parport_pc xt_limit xt_condition xt_mark xt_hashlimit xt_helper xt_NFQUEUE xt_connmark xt_MARK xt_CONNMARK ipt_REDIRECT ipt_MASQUERADE xt_policy xt_esp xt_owner xt_multiport ipt_addrtype xt_tcpudp nf_nat_sip nf_conntrack_sip ebtable_nat ebtables iptable_nat nf_nat_pptp nf_nat_proto_gre nf_nat_irc nf_nat_ftp nf_conntrack_pptp nf_conntrack_proto_gre nf_conntrack_irc nf_conntrack_ftp nfnetlink_queue tun deflate zlib_deflate twofish twofish_common serpent aes_x86_64 aes_generic blowfish cast5 des_generic cbc sha256_generic sha1_generic hmac crypto_null xfrm_user af_key pppol2tp pppox ppp_generic slhc af_packet xt_NFLOG xt_logmark xt_CONFIRMED xt_confirmed xt_conntrack ip6table_ips ip6table_mangle iptable_ips iptable_mangle nf_nat ip6t_REJECT ipt_REJECT nfnetlink_log usb_storage nf_conntrack_ipv6 ip6table_raw ip6table_filter nf_conntrack_ipv4 nf_defrag_ipv4 xt_state xt_NOTRACK iptable_raw iptable_filter nf_conntrack_netlink nfnetlink nf_conntrack ip6_tables ip_tables x_tables ipv6 loop ppdev sg sr_mod evdev cdrom i2c_i801 rtc_cmos rtc_core rtc_lib parport 3c59x thermal processor rng_core thermal_sys hwmon button r8169 mii sd_mod uhci_hcd ehci_hcd ide_pci_generic ata_generic piix ata_piix libata scsi_mod edd [last unloaded: parport_pc]
2010:01:15-17:41:49 acenn kernel: Pid: 0, comm: swapper Not tainted 2.6.31.9-1-default64 #1
2010:01:15-17:41:49 acenn kernel: Call Trace:
2010:01:15-17:41:49 acenn kernel:   [] ? dev_watchdog+0x103/0x19c
2010:01:15-17:41:49 acenn kernel: [] warn_slowpath_common+0x77/0xa4
2010:01:15-17:41:49 acenn kernel: [] ? dev_watchdog+0x0/0x19c
2010:01:15-17:41:49 acenn kernel: [] warn_slowpath_fmt+0x3c/0x3e
2010:01:15-17:41:49 acenn kernel: [] dev_watchdog+0x103/0x19c
2010:01:15-17:41:49 acenn kernel: [] ? ktime_get_ts+0x49/0x4e
2010:01:15-17:41:49 acenn kernel: [] ? blk_rq_timed_out_timer+0x0/0xe2
2010:01:15-17:41:49 acenn kernel: [] run_timer_softirq+0x13b/0x197
2010:01:15-17:41:49 acenn kernel: [] ? lapic_next_event+0x18/0x1c
2010:01:15-17:41:49 acenn kernel: [] __do_softirq+0xb6/0x170
2010:01:15-17:41:49 acenn kernel: [] call_softirq+0x1a/0x24
2010:01:15-17:41:49 acenn kernel: [] do_softirq+0x30/0x6c
2010:01:15-17:41:49 acenn kernel: [] irq_exit+0x39/0x6b
2010:01:15-17:41:49 acenn kernel: [] smp_apic_timer_interrupt+0x77/0x82
2010:01:15-17:41:49 acenn kernel: [] ? ksoftirqd+0x0/0xb4
2010:01:15-17:41:49 acenn kernel: [] apic_timer_interrupt+0x13/0x20
2010:01:15-17:41:49 acenn kernel:   [] ? mwait_idle+0x9b/0xd2
2010:01:15-17:41:49 acenn kernel: [] ? atomic_notifier_call_chain+0xf/0x11
2010:01:15-17:41:49 acenn kernel: [] ? cpu_idle+0x2d/0x6a
2010:01:15-17:41:49 acenn kernel: [] ? rest_init+0x5a/0x5c
2010:01:15-17:41:49 acenn kernel: [] ? start_kernel+0x301/0x30d
2010:01:15-17:41:49 acenn kernel: [] ? x86_64_start_reservations+0xa5/0xa9
2010:01:15-17:41:49 acenn kernel: [] ? x86_64_start_kernel+0xe1/0xe8
2010:01:15-17:41:49 acenn kernel: ---[ end trace d699d57c061f9296 ]---
2010:01:15-17:41:49 acenn kernel: eth1: transmit timed out, tx_status 00 status 8800.
2010:01:15-17:41:49 acenn kernel: diagnostics: net 0cc0 media 8802 dma 000800a1 fifo 0000
2010:01:15-17:41:49 acenn kernel: Flags; bus-master 1, dirty 13480(8) current 13496(8)
2010:01:15-17:41:49 acenn kernel: Transmit list 7e4fe700 vs. ffff88007e4fe700.
2010:01:15-17:41:49 acenn kernel: 0: @ffff88007e4fe200  length 8000004a status 0000004a
2010:01:15-17:41:49 acenn kernel: 1: @ffff88007e4fe2a0  length 8000004f status 0000004f
2010:01:15-17:41:49 acenn kernel: 2: @ffff88007e4fe340  length 8000004a status 0000004a
2010:01:15-17:41:49 acenn kernel: 3: @ffff88007e4fe3e0  length 8000004b status 0000004b

thanks

does this give some idea this is from prv log send to u 

010:01:15-17:41:49 acenn kernel: ------------[ cut here ]------------
2010:01:15-17:41:49 acenn kernel: WARNING: at net/sched/sch_generic.c:246 dev_watchdog+0x103/0x19c()
2010:01:15-17:41:49 acenn kernel: Hardware name:         
2010:01:15-17:41:49 acenn kernel: NETDEV WATCHDOG: eth1 (3c59x): transmit queue 0 timed out
2010:01:15-17:41:49 acenn kernel: Modules linked in: ide_cd_mod parport_pc xt_limit xt_condition xt_mark xt_hashlimit xt_helper xt_NFQUEUE xt_connmark xt_MARK xt_CONNMARK ipt_REDIRECT ipt_MASQUERADE xt_policy xt_esp xt_owner xt_multiport ipt_addrtype xt_tcpudp nf_nat_sip nf_conntrack_sip ebtable_nat ebtables iptable_nat nf_nat_pptp nf_nat_proto_gre nf_nat_irc nf_nat_ftp nf_conntrack_pptp nf_conntrack_proto_gre nf_conntrack_irc nf_conntrack_ftp nfnetlink_queue tun deflate zlib_deflate twofish twofish_common serpent aes_x86_64 aes_generic blowfish cast5 des_generic cbc sha256_generic sha1_generic hmac crypto_null xfrm_user af_key pppol2tp pppox ppp_generic slhc af_packet xt_NFLOG xt_logmark xt_CONFIRMED xt_confirmed xt_conntrack ip6table_ips ip6table_mangle iptable_ips iptable_mangle nf_nat ip6t_REJECT ipt_REJECT nfnetlink_log usb_storage nf_conntrack_ipv6 ip6table_raw ip6table_filter nf_conntrack_ipv4 nf_defrag_ipv4 xt_state xt_NOTRACK iptable_raw iptable_filter nf_conntrack_netlink nfnetlink nf_conntrack ip6_tables ip_tables x_tables ipv6 loop ppdev sg sr_mod evdev cdrom i2c_i801 rtc_cmos rtc_core rtc_lib parport 3c59x thermal processor rng_core thermal_sys hwmon button r8169 mii sd_mod uhci_hcd ehci_hcd ide_pci_generic ata_generic piix ata_piix libata scsi_mod edd [last unloaded: parport_pc]
2010:01:15-17:41:49 acenn kernel: Pid: 0, comm: swapper Not tainted 2.6.31.9-1-default64 #1
2010:01:15-17:41:49 acenn kernel: Call Trace:
2010:01:15-17:41:49 acenn kernel:   [] ? dev_watchdog+0x103/0x19c
2010:01:15-17:41:49 acenn kernel: [] warn_slowpath_common+0x77/0xa4
2010:01:15-17:41:49 acenn kernel: [] ? dev_watchdog+0x0/0x19c
2010:01:15-17:41:49 acenn kernel: [] warn_slowpath_fmt+0x3c/0x3e
2010:01:15-17:41:49 acenn kernel: [] dev_watchdog+0x103/0x19c
2010:01:15-17:41:49 acenn kernel: [] ? ktime_get_ts+0x49/0x4e
2010:01:15-17:41:49 acenn kernel: [] ? blk_rq_timed_out_timer+0x0/0xe2
2010:01:15-17:41:49 acenn kernel: [] run_timer_softirq+0x13b/0x197
2010:01:15-17:41:49 acenn kernel: [] ? lapic_next_event+0x18/0x1c
2010:01:15-17:41:49 acenn kernel: [] __do_softirq+0xb6/0x170
2010:01:15-17:41:49 acenn kernel: [] call_softirq+0x1a/0x24
2010:01:15-17:41:49 acenn kernel: [] do_softirq+0x30/0x6c
2010:01:15-17:41:49 acenn kernel: [] irq_exit+0x39/0x6b
2010:01:15-17:41:49 acenn kernel: [] smp_apic_timer_interrupt+0x77/0x82
2010:01:15-17:41:49 acenn kernel: [] ? ksoftirqd+0x0/0xb4
2010:01:15-17:41:49 acenn kernel: [] apic_timer_interrupt+0x13/0x20
2010:01:15-17:41:49 acenn kernel:   [] ? mwait_idle+0x9b/0xd2
2010:01:15-17:41:49 acenn kernel: [] ? atomic_notifier_call_chain+0xf/0x11
2010:01:15-17:41:49 acenn kernel: [] ? cpu_idle+0x2d/0x6a
2010:01:15-17:41:49 acenn kernel: [] ? rest_init+0x5a/0x5c
2010:01:15-17:41:49 acenn kernel: [] ? start_kernel+0x301/0x30d
2010:01:15-17:41:49 acenn kernel: [] ? x86_64_start_reservations+0xa5/0xa9
2010:01:15-17:41:49 acenn kernel: [] ? x86_64_start_kernel+0xe1/0xe8
2010:01:15-17:41:49 acenn kernel: ---[ end trace d699d57c061f9296 ]---
2010:01:15-17:41:49 acenn kernel: eth1: transmit timed out, tx_status 00 status 8800.
2010:01:15-17:41:49 acenn kernel: diagnostics: net 0cc0 media 8802 dma 000800a1 fifo 0000
2010:01:15-17:41:49 acenn kernel: Flags; bus-master 1, dirty 13480(8) current 13496(8)
2010:01:15-17:41:49 acenn kernel: Transmit list 7e4fe700 vs. ffff88007e4fe700.
2010:01:15-17:41:49 acenn kernel: 0: @ffff88007e4fe200  length 8000004a status 0000004a
2010:01:15-17:41:49 acenn kernel: 1: @ffff88007e4fe2a0  length 8000004f status 0000004f
2010:01:15-17:41:49 acenn kernel: 2: @ffff88007e4fe340  length 8000004a status 0000004a
2010:01:15-17:41:49 acenn kernel: 3: @ffff88007e4fe3e0  length 8000004b status 0000004b

thanks