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Opened 5 years ago

Closed 5 years ago

#13876 closed defect (fixed)

Unable to handle kernel paging request on ar71xx

Reported by: Stijn Tintel <stijn+bugs@…> Owned by: developers
Priority: high Milestone: Chaos Calmer 15.05
Component: kernel Version: Trunk
Keywords: Cc:

Description

With trunk r37316 on my RSPro I am getting a kernel panic when QoS is started. I was able to run /etc/init.d/qos disable before the panic occurred, and now it no longer panics.

[   40.260000] CPU 0 Unable to handle kernel paging request at virtual address 00000000, epc == 8021c744, ra == 8021c6f0
[   40.270000] Oops[#1]:
[   40.270000] CPU: 0 PID: 1814 Comm: tc Not tainted 3.10.1 #1
[   40.270000] task: 860c9d50 ti: 860a4000 task.ti: 860a4000
[   40.270000] $ 0   : 00000000 00000000 ffff9a8a ffff9a8a
[   40.270000] $ 4   : 00000001 86b371a0 00000000 00012a5a
[   40.270000] $ 8   : 00000000 80064830 00000000 00000000
[   40.270000] $12   : 00000000 8699a4a8 00000000 00000000
[   40.270000] $16   : 00000001 8601fc80 00000000 00000000
[   40.270000] $20   : 8699a43c 8032f208 00000000 00000000
[   40.270000] $24   : 00000000 76ff0990
[   40.270000] $28   : 860a4000 860a58f8 00000001 8021c6f0
[   40.270000] Hi    : 00000265
[   40.270000] Lo    : 00026cee
[   40.270000] epc   : 8021c744 tcf_hash_create+0xb4/0xe0
[   40.270000]     Not tainted
[   40.270000] ra    : 8021c6f0 tcf_hash_create+0x60/0xe0
[   40.270000] Status: 1000fc03 KERNEL EXL IE
[   40.270000] Cause : 8080000c
[   40.270000] BadVA : 00000000
[   40.270000] PrId  : 00019374 (MIPS 24Kc)
[   40.270000] Modules linked in: ifb sch_teql em_nbyte sch_htb sch_prio sch_dsmark act_ipt sch_gred em_meta cls_basic sch_codel em_text sch_tbf sch_sfq act_police em_cmp sch_red act_connmark act_skbedit act_mirred em_u32 cls_u32 cls_tci
ndex cls_flow cls_route cls_fw sch_hfsc sch_ingress ledtrig_netdev nf_conntrack_netlink ip6t_REJECT ip6t_rt ip6t_hbh ip6t_mh ip6t_ipv6header ip6t_frag ip6t_eui64 ip6t_ah ip6table_raw ip6table_mangle ip6table_filter ip6_tables nf_conntrac
k_ipv6 nf_defrag_ipv6 ebt_ip6 ebt_snat ebt_dnat ebt_arpreply ebt_ip ebt_arp ebt_redirect ebt_mark ebt_vlan ebt_stp ebt_pkttype ebt_mark_m ebt_limit ebt_among ebt_802_3 ebtable_nat ebtable_filter ebtable_broute ebtables arptable_filter ar
pt_mangle arp_tables nfnetlink nf_nat_rtsp nf_conntrack_rtsp 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_co
nntrack_proto_gre nf_nat_amanda nf_conntrack_amanda nf_conntrack_broadcast nf_nat_irc nf_nat_ftp nf_conntrack_irc nf_conntrack_ftp xt_policy xt_esp ipt_ah xt_iprange xt_HL xt_hl xt_ecn ipt_ECN xt_CLASSIFY xt_tcpmss xt_statistic xt_length
 xt_DSCP xt_dscp xt_string xt_quota xt_pkttype xt_physdev xt_owner xt_addrtype xt_NETMAP xt_REDIRECT ipt_MASQUERADE iptable_nat xt_nat nf_nat_ipv4 nf_nat xt_recent xt_helper xt_connmark xt_connbytes pppoe xt_conntrack xt_CT iptable_raw x
t_state nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack pppox xt_mark xt_time ipt_REJECT xt_TCPMSS xt_LOG xt_comment xt_multiport xt_mac xt_limit iptable_mangle iptable_filter ip_tables xt_tcpudp x_tables ipcomp6 xfrm6_tunnel xfrm6_mode_tu
nnel 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 ppp_async ppp_generic slhc af_key xfrm_user xfrm_ipcomp xfrm_algo vfat fat ath9k a
th9k_common ath9k_hw ath nls_utf8 nls_iso8859_15 nls_iso8859_1 nls_cp437 mac80211 ts_fsm ts_bm ts_kmp crc7 crc_itu_t crc_ccitt ipv6 cfg80211 compat chainiv eseqiv crypto_wq sha256_generic sha1_generic krng rng crypto_null md5 hmac des_ge
neric deflate cbc authenc arc4 crypto_blkcipher aead mmc_block mmc_core usb_storage leds_gpio ohci_hcd ledtrig_timer ledtrig_default_on ehci_platform ehci_hcd sd_mod gpio_button_hotplug ext4 jbd2 mbcache usbcore usb_common scsi_mod nls_b
ase crc16 zlib_inflate zlib_deflate crypto_hash [last unloaded: ifb]
[   40.270000] Process tc (pid: 1814, threadinfo=860a4000, task=860c9d50, tls=77086440)
[   40.270000] Stack : 00000000 00000000 00000000 00000000 00000000 86b371a0 86b37160 8601fd00
          00000000 86b3705c 00000000 00000000 00000000 00000001 00000000 86b37300
          86b371a0 86b37160 ffffffea 8021cd74 00000000 00000000 00000000 00000010
          00000000 00000001 636f6e6e 6d61726b 00000000 00000000 00000000 8699a440
          00000000 00000000 00000000 00000000 00000000 00000000 00000001 860a59cc
          ...
[   40.270000] Call Trace:
[   40.270000] [<8021c744>] tcf_hash_create+0xb4/0xe0
[   40.270000] [<86b3705c>] 0x86b3705c
[   40.270000]
[   40.270000]
Code: 02202021  080871d4  02008821 <080871d4> ae710000  2411fff4  8fbf0024  02201021  8fb30020
[   40.640000] ---[ end trace f15cc04b5af418a1 ]---
[   40.650000] Fatal exception: panic in 5 seconds
[   45.660000] Kernel panic - not syncing: Fatal exception
[   45.660000] ------------[ cut here ]------------
[   45.660000] WARNING: at lib/vsprintf.c:1399 vsnprintf+0x6c/0x3c0()
[   45.660000] Modules linked in: ifb sch_teql em_nbyte sch_htb sch_prio sch_dsmark act_ipt sch_gred em_meta cls_basic sch_codel em_text sch_tbf sch_sfq act_police em_cmp sch_red act_connmark act_skbedit act_mirred em_u32 cls_u32 cls_tcindex cls_flow cls_route cls_fw sch_hfsc sch_ingress ledtrig_netdev nf_conntrack_netlink ip6t_REJECT ip6t_rt ip6t_hbh ip6t_mh ip6t_ipv6header ip6t_frag ip6t_eui64 ip6t_ah ip6table_raw ip6table_mangle ip6table_filter ip6_tables nf_conntrack_ipv6 nf_defrag_ipv6 ebt_ip6 ebt_snat ebt_dnat ebt_arpreply ebt_ip ebt_arp ebt_redirect ebt_mark ebt_vlan ebt_stp ebt_pkttype ebt_mark_m ebt_limit ebt_among ebt_802_3 ebtable_nat ebtable_filter ebtable_broute ebtables arptable_filter arpt_mangle arp_tables nfnetlink nf_nat_rtsp nf_conntrack_rtsp 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_nat_ftp nf_conntrack_irc nf_conntrack_ftp xt_policy xt_esp ipt_ah xt_iprange xt_HL xt_hl xt_ecn ipt_ECN xt_CLASSIFY xt_tcpmss xt_statistic xt_length xt_DSCP xt_dscp xt_string xt_quota xt_pkttype xt_physdev xt_owner xt_addrtype xt_NETMAP xt_REDIRECT ipt_MASQUERADE iptable_nat xt_nat nf_nat_ipv4 nf_nat xt_recent xt_helper xt_connmark xt_connbytes pppoe xt_conntrack xt_CT iptable_raw xt_state nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack pppox xt_mark xt_time ipt_REJECT xt_TCPMSS xt_LOG xt_comment xt_multiport xt_mac xt_limit iptable_mangle iptable_filter ip_tables xt_tcpudp 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 ppp_async ppp_generic slhc af_key xfrm_user xfrm_ipcomp xfrm_algo vfat fat ath9k ath9k_common ath9k_hw ath nls_utf8 nls_iso8859_15 nls_iso8859_1 nls_cp437 mac80211 ts_fsm ts_bm ts_kmp crc7 crc_itu_t crc_ccitt ipv6 cfg80211 compat chainiv eseqiv crypto_wq sha256_generic sha1_generic krng rng crypto_null md5 hmac des_generic deflate cbc authenc arc4 crypto_blkcipher aead mmc_block mmc_core usb_storage leds_gpio ohci_hcd ledtrig_timer ledtrig_default_on ehci_platform ehci_hcd sd_mod gpio_button_hotplug ext4 jbd2 mbcache usbcore usb_common scsi_mod nls_base crc16 zlib_inflate zlib_deflate crypto_hash [last unloaded: ifb]
[   45.660000] CPU: 0 PID: 1814 Comm: tc Tainted: G      D      3.10.1 #1
[   45.660000] Stack : 00000006 00000000 00000000 00000000 00000000 00000000 80392a96 0000003a
          860c9ef8 802cd998 80372a0c 8031d3fb 00000716 80370000 80324ad0 fffffff1
          00030002 8007a3dc 00000003 80077d94 00000000 00000000 802cf4ac 860a5594
          000a5594 00000000 00000000 00000000 00000000 00000000 00000000 00000000
          00000000 00000000 00000000 00000000 00000000 00000000 00000000 860a5520
          ...
[   45.660000] Call Trace:
[   45.660000] [<8006e090>] show_stack+0x48/0x70
[   45.660000] [<80077f18>] warn_slowpath_common+0x78/0xa8
[   45.660000] [<80077f60>] warn_slowpath_null+0x18/0x24
[   45.660000] [<8017843c>] vsnprintf+0x6c/0x3c0
[   45.660000] [<800b5f30>] crashlog_printf+0x4c/0x68
[   45.660000] [<800b5fa0>] crashlog_do_dump+0x54/0x130
[   45.660000] [<8007b2b4>] kmsg_dump+0xe0/0x120
[   45.660000] [<80077b1c>] panic+0x8c/0x1b4
[   45.660000] [<8006e240>] die+0x108/0x110
[   45.660000] [<800728a4>] do_page_fault+0x25c/0x354
[   45.660000] [<80060820>] ret_from_exception+0x0/0xc
[   45.660000] [<8021c744>] tcf_hash_create+0xb4/0xe0
[   45.660000] [<86b3705c>] 0x86b3705c
[   45.660000]
[   45.660000] ---[ end trace f15cc04b5af418a2 ]---
[   45.660000] Rebooting in 3 seconds..+

Attachments (0)

Change History (5)

comment:1 Changed 5 years ago by obornort@…

same problem here on a rspro, similar trace, kernel 3.10.1, gcc-4.6-linaro

comment:2 Changed 5 years ago by anonymous

see #13916, it seems to be triggered by /changeset/36294.html

comment:3 Changed 5 years ago by nbd

  • Resolution set to fixed
  • Status changed from new to closed

fixed in r37493

comment:4 Changed 5 years ago by awilchak@…

  • Resolution fixed deleted
  • Status changed from closed to reopened

Not fixed on 37493/trunk:

[ 446.440000] CPU 0 Unable to handle kernel paging request at virtual address 00000000, epc == 8021bb40, ra == 8021baec
[ 446.450000] Oops#1:
[ 446.450000] CPU: 0 PID: 1387 Comm: tc Not tainted 3.10.1 #2
[ 446.450000] task: 81b4a5b0 ti: 8152e000 task.ti: 8152e000
[ 446.450000] $ 0 : 00000000 00000000 00003934 00003934
[ 446.450000] $ 4 : 00000001 8081e1a0 00000000 0000e0f4
[ 446.450000] $ 8 : 00000000 80064830 00000000 00000000
[ 446.450000] $12 : 00000000 81adc8a8 00000000 00000000
[ 446.450000] $16 : 00000001 80f2cb00 00000000 00000000
[ 446.450000] $20 : 81adc83c 80319048 00000000 00000000
[ 446.450000] $24 : 00000000 77412990
[ 446.450000] $28 : 8152e000 8152f8f8 00000001 8021baec
[ 446.450000] Hi : 00000265
[ 446.450000] Lo : 00026cee
[ 446.450000] epc : 8021bb40 tcf_hash_create+0xb4/0xe0
[ 446.450000] Not tainted
[ 446.450000] ra : 8021baec tcf_hash_create+0x60/0xe0
[ 446.450000] Status: 1000dc03 KERNEL EXL IE
[ 446.450000] Cause : 8080000c
[ 446.450000] BadVA : 00000000
[ 446.450000] PrId : 00019374 (MIPS 24Kc)
[ 446.450000] Modules linked in: ifb act_connmark act_skbedit act_mirred em_u32 cls_u32 cls_tcindex cls_flow cls_route cls_fw sch_hfsc sch_ingress ledtrig_usbdev ledtrig_netdev ip6t_REJECT ip6t_rt ip6t_hbh ip6t_mh ip6t_ipv6header ip6t_frag ip6t_eui64 ip6t_ah ip6table_raw ip6table_mangle ip6table_filter ip6_tables nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_irc nf_nat_ftp nf_conntrack_irc nf_conntrack_ftp xt_HL xt_hl xt_ecn ipt_ECN xt_CLASSIFY xt_tcpmss xt_statistic xt_length xt_DSCP xt_dscp xt_string xt_REDIRECT ipt_MASQUERADE iptable_nat xt_nat nf_nat_ipv4 nf_nat xt_recent xt_helper xt_connmark xt_connbytes pppoe xt_conntrack xt_CT iptable_raw xt_state nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack pppox xt_mark xt_time ipt_REJECT xt_TCPMSS xt_LOG xt_comment xt_multiport xt_mac xt_limit iptable_mangle iptable_filter ip_tables xt_tcpudp x_tables ppp_async ppp_generic slhc ath9k ath9k_common ath9k_hw ath mac80211 ts_fsm ts_bm ts_kmp crc_ccitt ipv6 cfg80211 compat arc4 crypto_blkcipher aead leds_gpio ohci_hcd ledtrig_timer ledtrig_default_on ehci_platform ehci_hcd gpio_button_hotplug usbcore usb_common nls_base [last unloaded: ifb]
[ 446.450000] Process tc (pid: 1387, threadinfo=8152e000, task=81b4a5b0, tls=774a7440)
[ 446.450000] Stack : 00000002 8007efb8 00000000 80879c00 80ebe000 8081e1a0 8081e160 80f2ca80
[ 446.450000] 00000000 8081e05c 80877034 00000000 00000000 00000001 00000000 8081e300
[ 446.450000] 8081e1a0 8081e160 ffffffea 8021c170 00000001 00000000 00000000 81042198
[ 446.450000] 00000000 00000001 636f6e6e 6d61726b 00000000 00000000 00000000 81adc840
[ 446.450000] 00000000 00000000 00000000 00000000 00000000 00000000 00000001 8152f9cc
[ 446.450000] ...
[ 446.450000] Call Trace:
[ 446.450000] [<8021bb40>] tcf_hash_create+0xb4/0xe0
[ 446.450000] [<8081e05c>] 0x8081e05c
[ 446.450000]
[ 446.450000]
[ 446.450000] Code: 02202021 08086ed3 02008821 <08086ed3> ae710000 2411fff4 8fbf0024 02201021 8fb30020
[ 446.700000] ---[ end trace 7e4c684a15a1f707 ]---

comment:5 Changed 5 years ago by nbd

  • Resolution set to fixed
  • Status changed from reopened to closed

please run:

make target/linux/clean
make

then try again

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