#19233: kernel oops: kmem_cache_alloc+0x4c/0xec
--------------------------+------------------------
Reporter: christian@… | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone:
Component: kernel | Version: Trunk
Resolution: | Keywords:
--------------------------+------------------------
Comment (by anonymous):
another one on startup of archer-c5:
{{{
[ 50.580000] CPU 0 Unable to handle kernel paging request at virtual
address 0086b814, epc == 801b6e80, ra == 86d24ec0
[ 50.590000] Oops[#1]:
[ 50.590000] CPU: 0 PID: 1217 Comm: netifd Not tainted 3.18.9 #2
[ 50.590000] task: 87b94e88 ti: 87ba8000 task.ti: 87ba8000
[ 50.590000] $ 0 : 00000000 00000000 0086b814 00000000
[ 50.590000] $ 4 : 87802f00 00008020 81102020 0001ab26
[ 50.590000] $ 8 : ffffffc3 00000002 00000002 ffeb0cc3
[ 50.590000] $12 : 00000000 8582da9a 00000000 00000000
[ 50.590000] $16 : 0086b814 87802f00 00008020 00000048
[ 50.590000] $20 : 85a4b180 86d40000 00000004 86d0cfd0
[ 50.590000] $24 : 00000002 801457bc
[ 50.590000] $28 : 87ba8000 87ba9bf0 00000002 86d24ec0
[ 50.590000] Hi : 0000000a
[ 50.590000] Lo : 00000000
[ 50.590000] epc : 801b6e80 kmem_cache_alloc+0x4c/0xec
[ 50.590000] Not tainted
[ 50.590000] ra : 86d24ec0 icmpv6_cleanup+0x3110/0x3564 [ipv6]
[ 50.590000] Status: 1100fc03 KERNEL EXL IE
[ 50.590000] Cause : 00800008
[ 50.590000] BadVA : 0086b814
[ 50.590000] PrId : 00019750 (MIPS 74Kc)
[ 50.590000] Modules linked in: iptable_nat ath9k nf_nat_ipv4
nf_conntrack_netlink nf_conntrack_ipv6 nf_conntrack_ipv4 ipt_REJECT
ipt_MASQUERADE ebtable_nat ebtable_filter ebtable_broute ath9k_common
xt_time xt_tcpudp xt_tcpmss xt_statistic xt_state xt_quota xt_policy
xt_pkttype xt_physdev xt_owner xt_nat xt_multiport xt_mark xt_mac xt_limit
xt_length xt_id xt_hl xt_esp xt_ecn xt_dscp xt_conntrack xt_comment
xt_addrtype xt_TCPMSS xt_REDIRECT xt_LOG xt_HL xt_DSCP xt_CT xt_CLASSIFY
rfcomm nfnetlink_queue nfnetlink_log nfnetlink nf_reject_ipv4
nf_nat_masquerade_ipv4 nf_nat nf_log_ipv4 nf_defrag_ipv6 nf_defrag_ipv4
nf_conntrack_rtcache nf_conntrack iptable_raw iptable_mangle
iptable_filter ipt_ah ipt_ECN ip_tables hidp hci_uart ebtables ebt_vlan
ebt_stp ebt_snat ebt_redirect ebt_pkttype ebt_mark_m ebt_mark ebt_limit
ebt_ip ebt_dnat ebt_arpreply ebt_arp ebt_among ebt_802_3 crc_ccitt btusb
bnep bluetooth ath9k_hw em_cmp sch_teql em_nbyte sch_codel sch_dsmark
em_meta sch_gred sch_htb cls_basic act_ipt sch_red act_police em_text
sch_tbf sch_sfq sch_prio act_skbedit act_mirred em_u32 cls_u32 cls_tcindex
cls_flow cls_route cls_fw sch_hfsc sch_ingress hid evdev input_core
i2c_algo_pcf i2c_algo_pca ath10k_pci ath10k_core ath mac80211 cfg80211
compat i2c_dev ledtrig_usbdev ledtrig_gpio batman_adv libcrc32c crc16
ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common ip6table_raw
ip6table_mangle ip6table_filter ip6_tables x_tables ipcomp6 xfrm6_tunnel
xfrm6_mode_tunnel xfrm6_mode_transport xfrm6_mode_beet esp6 ah6 ipcomp
xfrm4_tunnel xfrm4_mode_tunnel xfrm4_mode_transport xfrm4_mode_beet esp4
ah4 tunnel6 tunnel4 tun af_key xfrm_user xfrm_ipcomp xfrm_algo ipv6
chainiv eseqiv crypto_wq sha1_generic krng rng md5 hmac des_generic
deflate zlib_inflate zlib_deflate cbc authenc aead arc4 crypto_blkcipher
ledtrig_transient ehci_pci ehci_platform ehci_hcd gpio_button_hotplug
usbcore nls_base usb_common crc32c_generic crypto_hash
[ 50.590000] Process netifd (pid: 1217, threadinfo=87ba8000,
task=87b94e88, tls=7721e750)
[ 50.590000] Stack : 86dc4400 86aef700 00000000 00000000 86b0ad00
86a12000 86dc4400 86d24ec0
00000100 001d0040 87ba9c78 86d1276c 3333ffeb 0cc30280 87ba9c78
86d010f4
00000000 001d0040 00000000 ff000000 86b0ad00 00000000 80370000
86d25de4
00000020 00000000 86b3d500 00000008 00000000 86b3d500 00000015
86d0b368
ffffffff 00000000 fe800000 00000000 ff020000 00000000 00000001
ffeb0cc3
...
[ 50.590000] Call Trace:
[ 50.590000] [<801b6e80>] kmem_cache_alloc+0x4c/0xec
[ 50.590000] [<86d24ec0>] icmpv6_cleanup+0x3110/0x3564 [ipv6]
[ 50.590000]
[ 50.590000]
Code: 00408021 8e220014 02021021 <8c430000> 41666000 30c60001 000000c0
8e220000 8c450000
[ 50.930000] ---[ end trace 6062dc8a027dd413 ]---
}}}
--
Ticket URL: <https://dev.openwrt.org/ticket/19233#comment:1>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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