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Opened 3 years ago

Closed 3 years ago

#20141 closed defect (fixed)

WDR4300 kernel crash(reboot) with kernel-4.1.2

Reported by: ivanich Owned by: developers
Priority: normal Milestone: Chaos Calmer 15.05
Component: kernel Version: Trunk
Keywords: Cc:

Description

Random reboots after trunk has been switched to the latest 4.1.2 kernel.

<6>[65379.304855] Atheros AR8216/AR8236/AR8316 ag71xx-mdio.0:00: Port 4 is down
<6>[65381.304553] Atheros AR8216/AR8236/AR8316 ag71xx-mdio.0:00: Port 4 is up
<1>[65700.900031] CPU 0 Unable to handle kernel paging request at virtual address 00007580, epc == 866c7800, ra == 800ac580
<4>[65700.910853] Oops[#1]:
<4>[65700.913164] CPU: 0 PID: 3 Comm: ksoftirqd/0 Not tainted 4.1.2 #1
<4>[65700.919259] task: 80428a10 ti: 80440000 task.ti: 80440000
<4>[65700.924735] $ 0   : 00000000 00000000 866c7800 00000000
<4>[65700.930077] $ 4   : 866c7800 00000001 80382aa8 ffff00fe
<4>[65700.935410] $ 8   : 80441fe0 0000dc00 000042f0 00000000
<4>[65700.940751] $12   : 00003bc1 00000000 00000010 00000000
<4>[65700.946084] $16   : 866c7480 800ac580 0000000a 00000100
<4>[65700.951417] $20   : 803d0000 803d3958 0000000a 00000009
<4>[65700.956749] $24   : 80372030 c987e2fd                  
<4>[65700.962082] $28   : 80440000 80441e18 00000024 800ac580
<4>[65700.967416] Hi    : 00000001
<4>[65700.970337] Lo    : 00000001
<4>[65700.973294] epc   : 866c7800 0x866c7800
<4>[65700.977212] ra    : 800ac580 __rcu_process_callbacks+0xac/0xd0
<4>[65700.983124] Status: 1100dc03      KERNEL EXL IE 
<4>[65700.987401] Cause : 00800008
<4>[65700.990322] BadVA : 00007580
<4>[65700.993245] PrId  : 0001974c (MIPS 74Kc)
<4>[65700.997219] Modules linked in: ath9k ath9k_common pppoe ppp_async iptable_nat ath9k_hw ath pppox ppp_generic nf_nat_ipv4 nf_conntrack_ipv6 nf_conntrack_ipv4 mac80211 ipt_REJECT ipt_MASQUERADE cfg80211 xt_time xt_tcpudp xt_tcpmss xt_statistic xt_state xt_recent xt_nat xt_multiport xt_mark xt_mac xt_limit xt_length xt_id xt_hl xt_helper xt_ecn xt_dscp xt_conntrack xt_connmark xt_connlimit xt_connbytes xt_comment xt_TCPMSS xt_REDIRECT xt_LOG xt_HL xt_DSCP xt_CT xt_CLASSIFY slhc nf_reject_ipv4 nf_nat_redirect nf_nat_masquerade_ipv4 nf_nat_ftp nf_nat nf_log_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_rtcache nf_conntrack_ftp iptable_raw iptable_mangle iptable_filter ipt_ECN ip_tables crc_ccitt compat fuse act_connmark nf_conntrack act_skbedit act_mirred em_u32 cls_u32 cls_tcindex cls_flow cls_route cls_fw sch_hfsc sch_ingress ledtrig_usbdev ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common ip6table_raw ip6table_mangle ip6table_filter ip6_tables x_tables nfsv3 nfs ifb vfat fat ntfs lockd sunrpc grace cifs ipv6 sha256_generic md5 md4 hmac ecb des_generic arc4 crypto_blkcipher usb_storage ohci_platform ohci_hcd ehci_platform ehci_hcd sd_mod scsi_mod gpio_button_hotplug ext4 jbd2 mbcache usbcore nls_base usb_common crc16 crypto_hash
<4>[65701.108750] Process ksoftirqd/0 (pid: 3, threadinfo=80440000, task=80428a10, tls=00000000)
<4>[65701.117129] Stack : 80428a10 803749e0 80428a40 803749e0 80370000 00000200 803d397c 800ac5b8
<4>[65701.117129]         80428a10 803749e0 803749e0 8009e25c 80428a10 80083e10 803749e0 80375ff8
<4>[65701.117129]         00000000 800666e0 00000001 00000002 04208040 0063cb82 8042f100 8037e780
<4>[65701.117129]         00000001 00000002 8009a0d4 8042872c 803834d8 00000000 00000000 80083f6c
<4>[65701.117129]         1100dc03 00000000 00000001 80320000 00801000 8009a21c 803834d8 00000000
<4>[65701.117129]         ...
<4>[65701.153480] Call Trace:
<4>[65701.155980] [<800ac5b8>] rcu_process_callbacks+0x14/0x28
<4>[65701.161386] [<8009e25c>] pick_next_task_idle+0x1c/0x30
<4>[65701.166608] [<80083e10>] __do_softirq+0x150/0x284
<4>[65701.171381] [<800666e0>] __schedule+0x4b4/0x59c
<4>[65701.175984] [<8009a0d4>] smpboot_thread_fn+0x0/0x178
<4>[65701.181025] [<80083f6c>] run_ksoftirqd+0x28/0x48
<4>[65701.185716] [<8009a21c>] smpboot_thread_fn+0x148/0x178
<4>[65701.190933] [<8006684c>] schedule+0x84/0x9c
<4>[65701.195188] [<80097c88>] kthread+0xd8/0xe4
<4>[65701.199348] [<80097bb0>] kthread+0x0/0xe4
<4>[65701.203422] [<80060878>] ret_from_kernel_thread+0x14/0x1c
<4>[65701.208904] 
<4>[65701.210418] 
<4>[65701.210418] Code: 00000000  00000000  00000000 <866c7480> 866c7800  00000000  86427780  0000000c  866c7f90 
<4>[65701.220611] ---[ end trace cafd58bcc7b3fe78 ]---

===================================
Time: 1437503104.553810

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Change History (3)

comment:1 Changed 3 years ago by nbd

please test latest trunk

comment:2 Changed 3 years ago by ivanich

root@OpenWrt:~# uptime
12:55:36 up 16:33, load average: 0.08, 0.03, 0.05

Looks like it was fixed in the latest trunk.

comment:3 Changed 3 years ago by nbd

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

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