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Cisco Bug: CSCvt82804 - 3800: Daisy Slave RAP kernel NULL pointer dereference Internal error: Oops: 817 [#1] SMP ARM

Last Modified

Aug 21, 2020

Products (1)

  • Cisco Aironet 1850 Series Access Points

Known Affected Releases

8.10(128.89)

Description (partial)

Symptom:
After WLC upgraded to 8.10.128.89 from 8.10.128.83, Daisy chain Slave RAP crash in loop:

[04/14/2020 07:30:37.1600] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[04/14/2020 07:30:37.2700] pgd = 80004000
[04/14/2020 07:30:37.3100] [00000000] *pgd=00000000
[04/14/2020 07:30:37.3700] Internal error: Oops: 817 [#1] SMP ARM
[04/14/2020 07:30:37.3700] Modules linked in: xt_SECMARK xt_CONNSECMARK udf rng_core psnap p8022 lowmemorykiller crc_itu_t macvtap macvlan ipt_ULOG ebt_ip6 ebt_ip ebtables xt_policy xt_mark nfnetlink_log bridge ip6table_raw iptable_raw ipt_REJECT ipt_MASQUERADE ip6table_mangle ip6table_filter ip6t_ipv6header ip6t_REJECT ip6_tables iptable_nat iptable_mangle iptable_filter ip_tables xt_tcpudp xt_nat xt_state xt_conntrack x_tables nf_nat_sip nf_nat_irc nf_nat_ipv4 nf_nat_ftp nf_nat nf_conntrack_sip nf_conntrack_netlink nfnetlink nf_conntrack_irc nf_conntrack_ipv6 nf_conntrack_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_ftp nf_conntrack stp llc ipv6 mtdoops elts_meraki(O) ntdp(PO) merakiclick(O) proclikefs(O) mv_nss_api(O) nolan_usb_device(O) nolan_usb_driver(O) nolan_driver(O) ap8x(O) aptrace(O) a390_port_switch(O) a390_mii_xsmi(O) act2_driver(O) mbedtls(O) seqiv ghash_generic ctr cbc gf128mul sha1_arm hmac sha512_generic sha256_generic aes_generic
[04/14/2020 07:30:37.3700] CPU: 0 PID: 6734 Comm: kworker/0:3 Tainted: P           O 3.14.33 #1

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