#22124: Kernel panic when watch online video
--------------------+-----------------------------------
Reporter: wtents | Owner: developers
Type: defect | Status: new
Priority: high | Milestone: Barrier Breaker 14.07
Component: kernel | Version: Trunk
Keywords: skb |
--------------------+-----------------------------------
Hi all，
Test ppp+wireless on QCA9558 with Openwrt 14.07, the system crash.Here are
the log:
{{{
[ 996.800000] skb_under_panic: text:80284630 len:1454 put:14
head:87b51000 data:87b50ff6 tail:0x87b515a4 end:0x87b
51f40 dev:ath0
[ 996.810000] Kernel bug detected[#1]:
[ 996.810000] Cpu 0
[ 996.810000] $ 0 : 00000000 00000000 00000088 00000001
[ 996.810000] $ 4 : 00000001 80329464 ffffffff 801aa668
[ 996.810000] $ 8 : 00000020 00000001 00000001 00000000
[ 996.810000] $12 : 00000000 00000000 00000006 85ff3fa0
[ 996.810000] $16 : 8707b240 85908380 85908000 00c07088
[ 996.810000] $20 : 87840a80 802b6fc0 00000000 00000000
[ 996.810000] $24 : 00000008 801a85c0
[ 996.810000] $28 : 8782a000 8782bcb0 80338780 80204b44
[ 996.810000] Hi : 00000000
[ 996.810000] Lo : 88974000
[ 996.810000] epc : 80204b44 skb_push+0x78/0x84
[ 996.810000] Tainted: P O
[ 996.810000] ra : 80204b44 skb_push+0x78/0x84
[ 996.810000] Status: 1100fc03 KERNEL EXL IE
[ 996.810000] Cause : 00800024
[ 996.810000] PrId : 00019750 (MIPS 74Kc)
[ 996.810000] Modules linked in: ath_pktlog(PO) umac(O) ath_dev(PO)
hst_tx99(PO) ath_spectral(PO) ath_dfs(PO) ath_rate_atheros(PO)
ath_hal(PO) adf(PO) asf(PO) fuse qcserial option rndis_host usb_wwan
kaweth hso cdc_ether asix ums_usbat ums_sddr55 ums_sddr09 ums_k
arma ums_jumpshot ums_isd200 ums_freecom ums_datafab ums_cypress
ums_alauda usbserial usbnet cdc_acm fast_classifier(O) ath79_wdt sh
ortcut_fe(O) ledtrig_usbdev ledtrig_netdev ledtrig_heartbeat ledtrig_gpio
ip6t_REJECT ip6t_LOG ip6t_rt ip6t_hbh ip6t_mh ip6t_ipv6hea
der ip6t_frag ip6t_eui64 ip6t_ah ip6table_raw ip6_queue ip6table_mangle
ip6table_filter ip6_tables nf_conntrack_ipv6 nf_defrag_ipv6
nf_nat_rtsp(O) nf_conntrack_rtsp(O) nf_nat_tftp nf_conntrack_tftp
nf_nat_snmp_basic nf_conntrack_snmp nf_nat_sip nf_conntrack_sip nf
_nat_pptp nf_conntrack_pptp nf_nat_h323 nf_conntrack_h323 nf_nat_proto_gre
nf_conntrack_proto_gre nf_nat_amanda nf_conntrack_amanda
nf_conntrack_broadcast nf_nat_irc nf_conntrack_irc nf_nat_ftp
nf_conntrack_ftp xt_HL xt_hl xt_ecn ipt_ECN xt_CLASSIFY xt_time xt_tcp
mss xt_statistic xt_mark xt_length xt_DSCP xt_dscp xt_string xt_layer7
ipt_REDIRECT ipt_NETMAP ipt_MASQUERADE iptable_nat nf_nat xt_
recent xt_helper xt_connmark xt_connbytes pptp 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 msdos bonding ip_gre gre ifb l2tp_netlink l2tp_core
ppp_mppe tun ppp_async ppp_generic slhc vfat fat ntfs button
_hotplug(O) br2684 atm nls_utf8 nls_iso8859_1 nls_cp437 rfkill ts_fsm
ts_bm ts_kmp crc_ccitt ipv6 qca_ssdk(O) sha1_generic ecb arc4
aes_generic crypto_blkcipher cryptomgr aead usb_storage ohci_hcd ehci_hcd
sd_mod ext4 jbd2 mbcache usbcore usb_common scsi_mod nls_b
ase crc16 crypto_hash crypto_algapi ledtrig_timer ledtrig_default_on
leds_gpio gpio_button_hotplug(O) [last unloaded: asf]
[ 996.810000] Process ksoftirqd/0 (pid: 3, threadinfo=8782a000,
task=87820890, tls=00000000)
[ 996.810000] Stack : 00000000 80284630 000005ae 0000000e 87b51000
87b50ff6 87b515a4 87b51f40
[ 996.810000] 86954000 85ff25bc 000000ab 80284630 85cf0000
00000080 00000127 00000013
[ 996.810000] 87b50ff6 80282cc0 858d26c0 85908000 00000001
00000000 80320000 8707b240
[ 996.810000] 8707b240 8021097c 8707b240 85c0000c 00000000
00000000 8782a000 8782bd50
[ 996.810000] 8590f04e 858d26c0 80340000 8707b240 85908000
87840a80 8033ba94 80320000
[ 996.810000] ...
[ 996.810000] Call Trace:
[ 996.810000] [<80204b44>] skb_push+0x78/0x84
[ 996.810000] [<80284630>] br_dev_queue_push_xmit+0x54/0x80
[ 996.810000] [<80282cc0>] br_dev_xmit+0x140/0x1b0
[ 996.810000] [<8021097c>] dev_hard_start_xmit+0x2ec/0x634
[ 996.810000] [<80211008>] dev_queue_xmit+0x344/0x454
[ 996.810000] [<85ff25bc>] sfe_ipv4_recv+0x3c0/0x1070 [shortcut_fe]
[ 996.810000] [<8020c3d0>] __netif_receive_skb+0xc0/0x504
[ 996.810000] [<8020c898>] process_backlog+0x84/0x140
[ 996.810000] [<8020cbec>] net_rx_action+0xd4/0x1c4
[ 996.810000] [<8007af74>] __do_softirq+0xc8/0x194
[ 996.810000] [<8007b0e4>] run_ksoftirqd+0xa4/0x11c
[ 996.810000] [<8008e688>] kthread+0x90/0x98
[ 996.810000] [<800665d0>] kernel_thread_helper+0x10/0x18
[ 996.810000]
[ 996.810000] Code: afa90018 0c0a6e8b afa8001c <0200000d> 080812c8
2484e678 27bdffd0 afbf002c 00a03821
[ 997.200000] ---[ end trace c56cbd450e46b798 ]---
[ 997.210000] Kernel panic - not syncing: Fatal exception in interrupt
[ 997.220000] Rebooting in 3 seconds..
}}}
Thanks.
--
Ticket URL: <https://dev.openwrt.org/ticket/22124>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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