Bug #217
Updated by Sven Eckelmann almost 8 years ago
<pre> [ 543.321946] Unable to handle kernel paging request for data at address 0x00100104 [ 543.329455] Faulting instruction address: 0xf36267d0 [ 543.334447] Oops: Kernel access of bad area, sig: 11 [#1] [ 543.339839] SMP NR_CPUS=2 P1020 RDB [ 543.343325] Modules linked in: iptable_nat ath9k nf_nat_ipv4 nf_conntrack_ipv4 ipt_REJECT ipt_MASQUERADE ebtable_nat ebtable_filter ebtable_broute carl9170 ath9k_htc ath9k_common xt_time xt_tcpudp xt_state xt_nat xt_multipo rt xt_mark xt_mac xt_limit xt_id xt_conntrack xt_comment xt_TCPMSS xt_REDIRECT xt_LOG xt_CT nf_reject_ipv4 nf_nat_masquerade_ipv4 nf_nat_ftp nf_nat nf_log_ipv4 nf_log_common nf_defrag_ipv4 nf_conntrack_rtcache nf_conntrack_ftp nf_conntrack macvlan mac80211 lzo_decompress lzo_compress lz4_decompress lz4_compress iptable_raw iptable_mangle iptable_filter ip_tables ebtables ebt_vlan ebt_stp ebt_snat ebt_redirect ebt_pkttype ebt_nflog ebt_mark_m ebt_ma rk ebt_log ebt_limit ebt_ip6 ebt_ip ebt_dnat ebt_arpreply ebt_arp ebt_among ebt_802_3 crc8 crc7 crc_itu_t crc_ccitt ath9k_hw ath sch_teql sch_tbf sch_sfq sch_red sch_prio sch_htb sch_gred sch_dsmark sch_codel em_text em_nbyte em_meta em_cmp cls_basic act_police act_ipt act_skbedit act_mirred em_u32 cls_u32 cls_tcindex cls_flow cls_route cls_fw sch_hfsc sch_ingress i2c_dev ledtrig_morse ledtrig_heartbeat ledtrig_gpio booke_wdt batman_adv libcrc32c x t_set x_tables ip_set_list_set ip_set_hash_netiface ip_set_hash_netport ip_set_hash_netnet ip_set_hash_net ip_set_hash_netportnet ip_set_hash_mac ip_set_hash_ipportnet ip_set_hash_ipportip ip_set_hash_ipport ip_set_hash_ipmark ip_set_hash_ip ip_set_bitmap_port ip_set_bitmap_ipmac ip_set_bitmap_ip ip_set msdos dummy vfat fat nls_utf8 ipv6 bridge stp talitos chainiv eseqiv psnap p8022 llc xts crypto_wq algif_skcipher algif_hash af_alg sha1_generic se qiv krng rng cryptosoft cryptodev ocf crypto_null michael_mic md5 md4 hmac gf128mul ecb des_generic deflate zlib_deflate ctr ccm cbc authenc aead arc4 crypto_blkcipher cfg80211 compat i2c_mpc mmc_block gpio_keys_polled usb_sto rage tun mmc_core input_polldev leds_gpio sd_mod scsi_mod button_hotplug crc32c_generic crypto_hash [ 543.509957] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.18.11 #59 [ 543.516046] task: c049d340 ti: ee61a000 task.ti: c04ca000 [ 543.521438] [stack] NIP: f36267d0 LR: f36267c4 CTR: c03558f4 [ 543.527092] [stack] REGS: ee61bbe0 TRAP: 0300 Not tainted (3.18.11) [ 543.533611] [stack] MSR: 00029000 <CE,EE,ME> CR: 28828022 XER: 20000000 [stack] DEAR: 00100104 ESR: 00800000 [stack] GPR00: f36267c4 ee61bc90 c049d340 ef4fe960 00000000 00000000 00000000 00000001 [stack] GPR08: 00000000 00200200 00100100 00000000 48828022 10034aa0 c04a3bcc ef00b000 [stack] GPR16: 00000001 00000000 ef6c40c0 22828042 00000001 00000099 c04d0000 00000014 [stack] GPR24: ef77d080 ef4fe960 00000003 ef4fe580 ef3a2ce0 ef0248ce 00000001 ef3a2e40 [ 543.574932] [stack] NIP [f36267d0] batadv_tt_local_remove+0xcc4/0xda0 [batman_adv] [ 543.582505] [stack] LR [f36267c4] batadv_tt_local_remove+0xcb8/0xda0 [batman_adv] [ 543.589978] [stack] Call Trace: [ 543.593125] [stack] [ee61bc90] [f36267c4] batadv_tt_local_remove+0xcb8/0xda0 [batman_adv] (unreliable) [ 543.602444] [stack] [ee61bcd0] [f361b4e4] batadv_tvlv_containers_process+0xb0/0x1e8 [batman_adv] [ 543.611232] [stack] [ee61bd10] [f3610c2c] 0xf3610c2c [ 543.616201] [stack] [ee61bda0] [f3611810] 0xf3611810 [ 543.621172] [stack] [ee61be00] [f361af1c] batadv_batman_skb_recv+0x10c/0x14c [batman_adv] [ 543.629360] [stack] [ee61be20] [c02ad8a4] __netif_receive_skb_core+0x710/0x7c0 [ 543.636584] [stack] [ee61be90] [c02b018c] netif_receive_skb_internal+0xb4/0x130 [ 543.643893] [stack] [ee61bec0] [c02b0bf8] napi_gro_receive+0x50/0xb8 [ 543.650256] [stack] [ee61bed0] [c0248120] gfar_clean_rx_ring+0x34c/0x420 [ 543.656957] [stack] [ee61bf30] [c0248384] gfar_poll_rx_sq+0x3c/0xa4 [ 543.663224] [stack] [ee61bf50] [c02b04f4] net_rx_action+0x94/0x1a4 [ 543.669409] [stack] [ee61bf80] [c002b448] __do_softirq+0x100/0x244 [ 543.675588] [stack] [ee61bfe0] [c002b874] irq_exit+0x68/0x90 [ 543.681248] [stack] [ee61bff0] [c000caf8] call_do_irq+0x24/0x3c [ 543.687170] [stack] [c04cbe90] [c00046a0] do_IRQ+0xa8/0xf4 [ 543.692658] [stack] [c04cbeb0] [c000e6c8] ret_from_except+0x0/0x18 [ 543.698843] [stack] --- interrupt: 501 at arch_cpu_idle+0x24/0x60 [ 543.698843] [stack] LR = arch_cpu_idle+0x24/0x60 [ 543.709801] [stack] [c04cbf70] [c006f18c] rcu_idle_enter+0x9c/0xf4 (unreliable) [ 543.717120] [stack] [c04cbf80] [c0058b64] cpu_startup_entry+0x118/0x18c [ 543.723743] [stack] [c04cbfb0] [c04699c8] start_kernel+0x38c/0x3a0 [ 543.729922] [stack] [c04cbff0] [c00003d4] set_ivor+0x140/0x17c [ 543.735750] [stack] Instruction dump: [stack] 3878003c 38848484 480030b9 2f9e0000 419e0054 2f9f0000 419e004c 7f23cb78 [stack] 48002c11 813f0010 815f000c 7f23cb78 <912a0004> 91490000 3d200010 61290100 [ 543.753980] ---[ end trace 93721eec70ff979c ]--- [ 543.758590] [ 544.760125] Kernel panic - not syncing: Fatal exception in interrupt [ 544.766484] Rebooting in 3 seconds.. </pre> <pre> batman_adv: B.A.T.M.A.N. advanced 2014.4.0 (compatibility version 15) loaded batman bridge loop avoidance enabled distributed arp table: enabled kernel: Linux femap0106 3.18.11 #37 SMP Sat May 30 10:09:58 CEST 2015 ppc GNU/Linux (openwrt) </pre> I see these device rebooting regularly (thought I do not know the backtrace of all of them), so this likely can be reproduced easily.