Re: [B.A.T.M.A.N.] Problem openWRT "backfire" and "kmod-batman-adv"

[Sven Eckelmann <sven.eckelmann@gmx.de>]

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Tim Glaremin wrote:
[...]
> CPU 0 Unable to handle kernel paging request at virtual address
> 00003aa1, epc == 80a982f4, ra == 80a982dc
> Oops[#1]:
> Cpu 0
> $ 0   : 00000000 10009800 3c9c2500 80d9e800
> $ 4   : 803df888 00003a9e 00003a98 00000000
> $ 8   : 00000004 00000001 00000000 fffffffb
> $12   : 0000000f 80238688 ffffffff 80c47bc8
> $16   : 80435e80 80d9e800 80a9c314 80cd26c0
> $20   : 00000008 7fd6fd80 7fd6fcd0 00000001
> $24   : 0000003c 8f1bbcdc
> $28   : 80c46000 80c47d58 00475028 80a982dc
> Hi    : 00000103
> Lo    : 68655100
> epc   : 80a982f4 0x80a982f4
>      Not tainted
> ra    : 80a982dc 0x80a982dc
> Status: 10009803    KERNEL EXL IE
> Cause : 0080000c
> BadVA : 00003aa1
> PrId  : 00029008 (Broadcom BCM3302)
> Modules linked in: batman_adv nf_nat_tftp nf_conntrack_tftp nf_nat_irc
> nf_conntrack_irc nf_nat_ftp nf_conntrack_ftp ipt_MASQUERADE iptable_nat
> nf_nat xt_NOTRACK iptable_raw xt_state nf_conntrack_ipv4 nf_defrag_ipv4
> nf_conntrack pppoe pppox 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 b43legacy b43 mac80211
> crc_ccitt cfg80211 compat_firmware_class compat arc4 aes_generic deflate
> ecb cbc switch_robo switch_core diag [last unloaded: batman_adv]
> Process hostapd (pid: 2057, threadinfo=80c46000, task=80739048,
> tls=00000000)
> Stack : 80435e80 80d9e800 80a9c314 80cd26c0 80435e80 80a98a5c 80e712a8
> fffffff2
>          00000000 80d9e800 00000000 fffffff0 00000000 80d9e800 00000008
> 800430c0
>          00000000 80d9e800 00000000 801a2eb0 00000000 80d9e800 7fd6fcf0
> 00000000
>          80c47e18 8004325c 00000000 7fd6fcf0 00008914 00000000 00000000
> ffffffed
>          80d9e800 801a6e18 802c4c90 801a7e40 00000000 0000001d 00008924
> 00008924
>          ...
> Call Trace:[<80a98a5c>] 0x80a98a5c
> [<800430c0>] 0x800430c0
> [<801a2eb0>] 0x801a2eb0
> [<8004325c>] 0x8004325c
> [<801a6e18>] 0x801a6e18
> [<801a7e40>] 0x801a7e40
> [<801a8aa4>] 0x801a8aa4
> [<80190a00>] 0x80190a00
> [<800a2858>] 0x800a2858
> [<800a6270>] 0x800a6270
> [<800a2f90>] 0x800a2f90
> [<80192028>] 0x80192028
> [<80191330>] 0x80191330
> [<800a3034>] 0x800a3034
> [<80192878>] 0x80192878
> [<80003230>] 0x80003230
> 
> 
> Code: 24c50006  88820003  98820000 <a8a20003> b8a20000  90830004
> a0a30004  90820005  a0a20005
> Disabling lock debugging due to kernel taint"
> 
> Hope all this info helps you, for me it's only confusing :)

you must provide the symbols file for us to create any useful information for 
us. But I would think that my guess about the netdev notification was right.

thanks,
	Sven

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