On Tue, 21 Feb 2012 09:41:44 +0100, John Crispin wrote:
On 21/02/12 09:17, lee.es...@nowonline.co.uk wrote:
Hi,
I've been running the Buffalo WBMR-HP-G300H routers for a while now,
actually three of them on a bonded line, and in general they are
working
very well.
On one of the lines I am seeing very frequent reboots (of the whole
system, not just the DSL) every two or three hours, the other two
lines
seem to be stable (although I have seen reboots on the other lines,
not
for the last week or so). The "faulty" line is the one that seems to
sync closer to it's limit (it has a smaller noise margin) but it's
been
stable with other DSL routers in the past.
I am going to swap the hardware around, to make sure it's not
something
hardware related (they are all running the same firmware), although
I
suspect it's a panic caused by the lantiq driver when some situation
happens on the line ... the same router stayed up for over 6 weeks
with
no DSL connected while I was puting the build together.
Is there any way to get a crash dump configured in openwrt so I can
get
more info about the reboot cause?
crashlog is what you are looking for.....
../o.git/build_dir/linux-lantiq_ar9/linux-3.1.9/patches/generic/930-crashlog.patch
Thanks John ... it was already configured and I had a reboot this
morning, interestingly though it doesn't actually look like the lantiq
driver ... the first backtrace I get once after boot, doesn't seem to be
a problem, the second one is the Oops! So is the problem the "eth0: tx
ring full"??
<4>[ 20.004000] Infineon CPE API Driver version: DSL CPE API
V3.24.4.4
<6>[ 20.144000] ATM (A1) firmware version 1.0.19
<4>[ 20.148000] ifxmips_atm: ATM init succeed
<6>[ 20.180000] dwc_otg: version 2.60a 22-NOV-2006
<6>[ 20.784000] DWC_otg: Using DMA mode
<6>[ 20.784000] dwc_otg dwc_otg.0: DWC OTG Controller
<6>[ 20.788000] dwc_otg dwc_otg.0: new USB bus registered, assigned
bus number 1
<6>[ 20.796000] dwc_otg dwc_otg.0: irq 62, io mem 0xffffffffbe101000
<6>[ 20.804000] DWC_otg: Init: Port Power? op_state=1
<6>[ 20.808000] DWC_otg: Init: Power Port (0)
<6>[ 20.812000] hub 1-0:1.0: USB hub found
<6>[ 20.816000] hub 1-0:1.0: 1 port detected
<6>[ 20.844000] input: gpio-keys-polled as
/devices/platform/gpio-keys-polled/input/input0
<4>[ 20.968000] DISCONNECTED PORT
<6>[ 22.924000] device eth0 entered promiscuous mode
<6>[ 22.976000] br-lan: port 1(eth0) entering forwarding state
<6>[ 22.980000] br-lan: port 1(eth0) entering forwarding state
<6>[ 27.588000] device eth0 left promiscuous mode
<6>[ 27.592000] br-lan: port 1(eth0) entering forwarding state
<6>[ 27.976000] device eth0 entered promiscuous mode
<6>[ 27.980000] br-lan: port 1(eth0) entering forwarding state
<6>[ 27.984000] br-lan: port 1(eth0) entering forwarding state
<3>[ 55.300000] [DSL_BSP_Showtime 916]: Datarate US intl = 448000,
fast = 0
<4>[ 58.044000] ------------[ cut here ]------------
<4>[ 58.044000] WARNING: at kernel/softirq.c:159 0x80022258()
<4>[ 58.044000] Modules linked in: gpio_keys_polled dwc_otg
lantiq_atm drv_dsl_cpe_api lantiq_mei ledtrig_usbdev ip6t_REJECT
ip6t_LOG ip6t_rt ip6t_hbh ip6t_mh ip6t_ipv6header ip6t_frag ip6t_eui64
ip6t_ah ip6table_raw ip6_queue ip6table_mangle ip6table_filter
ip6_tables nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_irc nf_conntrack_irc
nf_nat_ftp nf_conntrack_ftp ipt_MASQUERADE iptable_nat nf_nat
xt_conntrack xt_CT xt_NOTRACK iptable_raw xt_state nf_conntrack_ipv4
nf_defrag_ipv4 nf_conntrack pppoe pppox pppoatm ipt_REJECT xt_TCPMSS
ipt_LOG xt_comment xt_multiport xt_mac xt_limit iptable_mangle
iptable_filter ip_tables xt_tcpudp x_tables ppp_async ppp_generic slhc
button_hotplug br2684 atm ath9k ath9k_common ath9k_hw ath mac80211
usbcore nls_base crc_ccitt ipv6 cfg80211 compat arc4 aes_generic
crypto_algapi
<4>[ 58.044000] Call Trace:[<8022c144>] 0x8022c144
<4>[ 58.044000] [<8022c144>] 0x8022c144
<4>[ 58.044000] [<8001b96c>] 0x8001b96c
<4>[ 58.044000] [<80022258>] 0x80022258
<4>[ 58.044000] [<8001b9b0>] 0x8001b9b0
<4>[ 58.044000] [<801943f4>] 0x801943f4
<4>[ 58.044000] [<831c437c>] 0x831c437c
<4>[ 58.044000] [<80022258>] 0x80022258
<4>[ 58.044000] [<832e4640>] 0x832e4640
<4>[ 58.044000] [<80015c58>] 0x80015c58
<4>[ 58.044000] [<83281330>] 0x83281330
<4>[ 58.044000] [<8004f370>] 0x8004f370
<4>[ 58.044000] [<800309b8>] 0x800309b8
<4>[ 58.044000] [<8004f5b0>] 0x8004f5b0
<4>[ 58.044000] [<80051784>] 0x80051784
<4>[ 58.044000] [<8004ecf8>] 0x8004ecf8
<4>[ 58.044000] [<800079b4>] 0x800079b4
<4>[ 58.044000] [<800031c8>] 0x800031c8
<4>[ 58.044000] [<80022130>] 0x80022130
<4>[ 58.044000] [<80005ecc>] 0x80005ecc
<4>[ 58.044000] [<800060a0>] 0x800060a0
<4>[ 58.044000] [<8001701c>] 0x8001701c
<4>[ 58.044000] [<80007a10>] 0x80007a10
<4>[ 58.044000] [<800060c0>] 0x800060c0
<4>[ 58.044000] [<8028e8ec>] 0x8028e8ec
<4>[ 58.044000] [<8028e230>] 0x8028e230
<4>[ 58.044000]
<4>[ 58.044000] ---[ end trace 01fcc832fe4215f4 ]---
<3>[ 6986.092000] eth0: tx ring full
<1>[ 6986.096000] CPU 0 Unable to handle kernel paging request at
virtual address 00000060, epc == 8019e960, ra == 801a08d8
<4>[ 6986.104000] Oops[#1]:
<4>[ 6986.104000] Cpu 0
<4>[ 6986.104000] $ 0 : 00000000 00000001 00000000 00000000
<4>[ 6986.104000] $ 4 : 83328b00 83835000 00008100 83964280
<4>[ 6986.104000] $ 8 : 8335a000 832fa000 82ce8000 83bf7000
<4>[ 6986.104000] $12 : 82ce0000 00000000 6e000000 8335e000
<4>[ 6986.104000] $16 : 8328b280 83328b00 83835000 00000000
<4>[ 6986.104000] $20 : 80278aa4 83964280 8023e5a0 8027c508
<4>[ 6986.104000] $24 : 00000000 8328134c
<4>[ 6986.104000] $28 : 80276000 80277cd8 8027cae0 801a08d8
<4>[ 6986.104000] Hi : 00000000
<4>[ 6986.104000] Lo : 00000000
<4>[ 6986.104000] epc : 8019e960 0x8019e960
<4>[ 6986.104000] Tainted: G W
<4>[ 6986.104000] ra : 801a08d8 0x801a08d8
<4>[ 6986.104000] Status: 1100fc03 KERNEL EXL IE
<4>[ 6986.104000] Cause : 80800008
<4>[ 6986.104000] BadVA : 00000060
<4>[ 6986.104000] PrId : 0001954c (MIPS 34Kc)
<4>[ 6986.104000] Modules linked in: gpio_keys_polled dwc_otg
lantiq_atm drv_dsl_cpe_api lantiq_mei ledtrig_usbdev ip6t_REJECT
ip6t_LOG ip6t_rt ip6t_hbh ip6t_mh ip6t_ipv6header ip6t_frag ip6t_eui64
ip6t_ah ip6table_raw ip6_queue ip6table_mangle ip6table_filter
ip6_tables nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_irc nf_conntrack_irc
nf_nat_ftp nf_conntrack_ftp ipt_MASQUERADE iptable_nat nf_nat
xt_conntrack xt_CT xt_NOTRACK iptable_raw xt_state nf_conntrack_ipv4
nf_defrag_ipv4 nf_conntrack pppoe pppox pppoatm ipt_REJECT xt_TCPMSS
ipt_LOG xt_comment xt_multiport xt_mac xt_limit iptable_mangle
iptable_filter ip_tables xt_tcpudp x_tables ppp_async ppp_generic slhc
button_hotplug br2684 atm ath9k ath9k_common ath9k_hw ath mac80211
usbcore nls_base crc_ccitt ipv6 cfg80211 compat arc4 aes_generic
crypto_algapi
<4>[ 6986.104000] Process swapper (pid: 0, threadinfo=80276000,
task=80279c20, tls=00000000)
<4>[ 6986.104000] Stack : 0000000b 8380813c 83801420 80086640 0000003c
801943f4 00000020 c0000000
<4>[ 6986.104000] 8328b280 83835000 83964280 83328b00 00000010
00000001 802c0000 8027c508
<4>[ 6986.104000] 8027cae0 801b50f4 82cd4478 802c9ba0 8028d840
83281330 83328b00 8328b280
<4>[ 6986.104000] 00000040 802d0000 8025ac44 801b5434 8028d840
801938a4 00000020 802c31e0
<4>[ 6986.104000] 8328b2dc 00000000 8028d840 00000000 80280000
00010000 fffffffe 80259c94
<4>[ 6986.104000] ...
<4>[ 6986.104000] Call Trace:[<80086640>] 0x80086640
<4>[ 6986.104000] [<801943f4>] 0x801943f4
<4>[ 6986.104000] [<801b50f4>] 0x801b50f4
<4>[ 6986.104000] [<83281330>] 0x83281330
<4>[ 6986.104000] [<801b5434>] 0x801b5434
<4>[ 6986.104000] [<801938a4>] 0x801938a4
<4>[ 6986.104000] [<8019bd74>] 0x8019bd74
<4>[ 6986.104000] [<80021f30>] 0x80021f30
<4>[ 6986.104000] [<80051784>] 0x80051784
<4>[ 6986.104000] [<80022130>] 0x80022130
<4>[ 6986.104000] [<800031c8>] 0x800031c8
<4>[ 6986.104000] [<80022130>] 0x80022130
<4>[ 6986.104000] [<80005ecc>] 0x80005ecc
<4>[ 6986.104000] [<8001701c>] 0x8001701c
<4>[ 6986.104000] [<800060a0>] 0x800060a0
<4>[ 6986.104000] [<8001701c>] 0x8001701c
<4>[ 6986.104000] [<80007a10>] 0x80007a10
<4>[ 6986.104000] [<800060c0>] 0x800060c0
<4>[ 6986.104000] [<8028e8ec>] 0x8028e8ec
<4>[ 6986.104000] [<8028e230>] 0x8028e230
<4>[ 6986.104000]
<4>[ 6986.104000]
<4>[ 6986.104000] Code: 8c830014 94820062 34068100
<4>[ 6986.104000] 8c650060 8c8200a0 8c63006c 94420010 34630080
<4>[ 6986.388000] ---[ end trace 01fcc832fe4215f5 ]---
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