OpenWrt/LEDE Project

  • Status Unconfirmed
  • Percent Complete
    0%
  • Task Type Bug Report
  • Category Kernel
  • Assigned To No-one
  • Operating System All
  • Severity Medium
  • Priority Very Low
  • Reported Version openwrt-19.07
  • Due in Version Undecided
  • Due Date Undecided
  • Private
Attached to Project: OpenWrt/LEDE Project
Opened by Why? - 07.11.2020

FS#3436 - Kernel OOPS with hw offload enable

Supply the following if possible:
- Device problem occurs on

Ubiquiti EdgeRouterX

- Software versions of OpenWrt/LEDE release, packages, etc.

Linux OpenWrt 4.14.195 #0 SMP Sun Sep 6 16:19:39 2020 mips GNU/Linux

- Steps to reproduce

I’m not doing anything specific. This reported instance happend over night when
I was sleeping. I do have the flow offload (the HW variant) enabled.

Here is output from logread:

Sat Nov  7 03:26:00 2020 [1604719560.750] kern.alert kernel: [30317.854831] CPU 3 Unable to handle kernel paging request at virtual address 002dd990, epc == 8ef60384, ra == 8ef603ac
Sat Nov  7 03:26:00 2020 [1604719560.750] kern.warn kernel: [30317.875985] Oops[#1]:
Sat Nov  7 03:26:00 2020 [1604719560.750] kern.warn kernel: [30317.880503] CPU: 3 PID: 25 Comm: kworker/3:0 Not tainted 4.14.195 #0
Sat Nov  7 03:26:00 2020 [1604719560.750] kern.warn kernel: [30317.893151] Workqueue: events_power_efficient 0x8ef27304 [xt_FLOWOFFLOAD@8ef27000+0xc10]
Sat Nov  7 03:26:00 2020 [1604719560.750] kern.warn kernel: [30317.909245] task: 8fc7aca0 task.stack: 8fc96000
Sat Nov  7 03:26:00 2020 [1604719560.750] kern.warn kernel: [30317.918246] $ 0   : 00000000 00000001 002dd962 00000001
Sat Nov  7 03:26:00 2020 [1604719560.750] kern.warn kernel: [30317.928644] $ 4   : 002dd962 8fc97e4f 8fc97e4f ffff00fe
Sat Nov  7 03:26:00 2020 [1604719560.751] kern.warn kernel: [30317.939044] $ 8   : 8fc97fe0 00007c00 00001b92 00000001
Sat Nov  7 03:26:00 2020 [1604719560.751] kern.warn kernel: [30317.949443] $12   : 00000154 8f2e9c80 ffffffff 00001844
Sat Nov  7 03:26:00 2020 [1604719560.751] kern.warn kernel: [30317.959843] $16   : 8fc97e4f 8ef27000 00000000 fffffff5
Sat Nov  7 03:26:00 2020 [1604719560.751] kern.warn kernel: [30317.970243] $20   : 8056bba0 00000001 000000c0 fffffffe
Sat Nov  7 03:26:00 2020 [1604719560.751] kern.warn kernel: [30317.980643] $24   : 3b9aca00 80008e34
Sat Nov  7 03:26:00 2020 [1604719560.751] kern.warn kernel: [30317.991042] $28   : 8fc96000 8fc97df0 80550000 8ef603ac
Sat Nov  7 03:26:00 2020 [1604719560.751] kern.warn kernel: [30318.001441] Hi    : 0000000a
Sat Nov  7 03:26:00 2020 [1604719560.751] kern.warn kernel: [30318.007159] Lo    : 66666669
Sat Nov  7 03:26:00 2020 [1604719560.751] kern.warn kernel: [30318.012885] epc   : 8ef60384 0x8ef60384 [nf_flow_table@8ef60000+0x3350]
Sat Nov  7 03:26:00 2020 [1604719560.751] kern.warn kernel: [30318.026051] ra    : 8ef603ac 0x8ef603ac [nf_flow_table@8ef60000+0x3350]
Sat Nov  7 03:26:00 2020 [1604719560.752] kern.warn kernel: [30318.039203] Status: 11007c03     KERNEL EXL IE
Sat Nov  7 03:26:00 2020 [1604719560.752] kern.warn kernel: [30318.047529] Cause : 40800008 (ExcCode 02)
Sat Nov  7 03:26:00 2020 [1604719560.752] kern.warn kernel: [30318.055495] BadVA : 002dd990
Sat Nov  7 03:26:00 2020 [1604719560.752] kern.warn kernel: [30318.061211] PrId  : 0001992f (MIPS 1004Kc)
Sat Nov  7 03:26:00 2020 [1604719560.752] kern.warn kernel: [30318.069346] Modules linked in: pppoe ppp_async pppox ppp_generic nf_conntrack_ipv6 iptable_nat ipt_REJECT ipt_MASQUERADE xt_time xt_tcpudp xt_state xt_nat xt_multiport xt_mark xt_mac xt_limit xt_conntrack xt_comment xt_TCPMSS xt_REDIRECT xt_LOG xt_FLOWOFFLOAD xt_CT slhc nf_reject_ipv4 nf_nat_redirect nf_nat_masquerade_ipv4 nf_conntrack_ipv4 nf_nat_ipv4 nf_nat nf_log_ipv4 nf_flow_table_hw nf_flow_table nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_rtcache nf_conntrack iptable_mangle iptable_filter ip_tables crc_ccitt nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT x_tables nf_reject_ipv6 leds_gpio gpio_button_hotplug
client_loop: send disconnect: Broken pipe

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