[OpenWrt-Devel] AA on brcm47xx: Unhandled kernel unaligned access

[Nikolai Zhubr]

21.06.2014 0:23, Rafał Miłecki:
[...]
This time uplink load was even no more than 20 Mbit.
Here is what I got (although it doesn't look very promising to me).
Maybe I should enable some more debugging somewhere?

[  543.432000] Unhandled kernel unaligned access[#1]:
[  543.432000] Cpu 0
[  543.432000] $ 0   : 00000000 1000b800 2280a89f ffffffff
[  543.432000] $ 4   : 8032e4b0 804e86b6 00000000 80330000
[  543.432000] $ 8   : 804e86b6 00000000 24000000 00000000
[  543.432000] $12   : 03bf0000 ac000000 ffffffff 0c000000
[  543.432000] $16   : 80330000 8179ebe0 1000b801 00000100
[  543.432000] $20   : 00000005 00000024 80390000 80390000
[  543.432000] $24   : 00000004 ffffffff
[  543.432000] $28   : 81824000 81825e18 8031e490 801e3e90
[  543.432000] Hi    : fffffea0
[  543.432000] Lo    : 00000160
[  543.432000] epc   : 801e3e9c __dst_free+0x2c/0x150
[  543.432000]     Tainted: G           O
[  543.432000] ra    : 801e3e90 __dst_free+0x20/0x150
[  543.432000] Status: 1000b803    KERNEL EXL IE
[  543.432000] Cause : 00800010
[  543.432000] BadVA : 2280a99b
[  543.432000] PrId  : 00029006 (Broadcom BMIPS3300)
[  543.432000] Modules linked in: nf_nat_irc nf_conntrack_irc nf_nat_ftp 
nf_conntrack_ftp ipt_MASQUERADE iptable_nat nf_nat pppoe xt_conntrack 
xt_CT xt_NOTRACK iptable_raw xt_state nf_conntrack_ipv4 nf_defrag_ipv4 
nf_conntrack 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(O) b43(O) mac80211(O) 
crc_ccitt cfg80211(O) compat(O) arc4 aes_generic crypto_algapi 
switch_robo(O) switch_core(O) diag(O)
[  543.432000] Process ksoftirqd/0 (pid: 3, threadinfo=81824000, 
task=81822060, tls=00000000)
[  543.432000] Stack : 8031e490 80063ab8 1000b802 00000000 945ef2d5 
945ef2d5 8179ebe0 80063b88
[  543.432000]         00000009 80063bc4 00000005 0000000c 8038f088 
00000001 00000009 80020200
[  543.432000]         00000000 8005426c 00000000 00000000 00000000 
00000000 80390000 80390000
[  543.432000]         00000000 00000001 00000000 00000000 00000000 
00000000 00000000 8002037c
[  543.432000]         81819e24 00000000 800202e4 00000000 00000000 
81819e24 00000000 800202e4
[  543.432000]         ...
[  543.432000] Call Trace:
[  543.432000] [<801e3e9c>] __dst_free+0x2c/0x150
[  543.432000] [<80063b88>] __rcu_process_callbacks+0x118/0x140
[  543.432000] [<80020200>] __do_softirq+0xd0/0x1b4
[  543.432000] [<8002037c>] run_ksoftirqd+0x98/0x154
[  543.432000] [<80037678>] kthread+0x88/0x90
[  543.432000] [<80007cc0>] kernel_thread_helper+0x10/0x18
[  543.432000]
[  543.432000]
[  543.432000] Code: 8e22000c  50400006  3c02801e <8c4200fc> 30420001 
14400006  24020002  3c02801e  244240cc
[  543.664000] ---[ end trace f941e3bc313ba83f ]---
[  543.668000] Kernel panic - not syncing: Fatal exception in interrupt

>
>
>> I suppose this is something that should not normally happen, and I'd like to
>> have it fixed somehow. I haven't tried trunk yet, but I will, if it could
>> make some difference.
>
> There are tons of updates in trunk, this bug can be fixed for a long
> time already ;)
>
> .
>
_______________________________________________
openwrt-devel mailing list
openwrt-devel at lists.openwrt.org
https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel