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Cisco Bug: CSCvs04985 - AP 1810W Kernel Panic Crash "Unable to handle kernel paging request at virtual address"

Last Modified

Jan 21, 2020

Products (1)

  • Cisco Aironet 1850 Series Access Points

Known Affected Releases


Description (partial)

AP crashed due to:
kernel panic

<1>[11/10/2019 04:37:13.8797] Unable to handle kernel paging request at virtual address dc1c0000
<1>[11/10/2019 04:37:13.9697] pgd = d557c000
<1>[11/10/2019 04:37:14.0197] [dc1c0000] *pgd=5d51141e(bad)
<0>[11/10/2019 04:37:14.0797] Internal error: Oops: 8000000d [#1] SMP ARM
<4>[11/10/2019 04:37:14.1496] Modules linked in: ath_pktlog(PO) ath_dev(PO) ath_rate_atheros(PO) ath_hal(PO) umac(O) ath_dfs(PO) adf(PO) asf(PO) mem_manager(PO) ramoops phram ssdk_reg scsi_wait_scan qca_nss_profile_drv(O) lowmemorykiller bonding ipv6 elts_meraki(PO) stile_lm_dp_corsica(PO) stile_lm_ft_corsica(PO) merakiclick(O) proclikefs(O) qca_ssdk(O) qca_nss_portifmgr(O) nssmgrctl(O) qca_nss_capwapmgr(O) qca_nss_drv(O) qca_nss_gmac(O) led_module(O) aptrace(O) mbedtls(O) [last unloaded: phram]
<4>[11/10/2019 04:37:14.6695] CPU: 0    Not tainted  (3.4.103 #3)
<4>[11/10/2019 04:37:14.7395] PC is at 0xdc1c0000
<4>[11/10/2019 04:37:14.7894] LR is at ol_rx_monitor_deliver.isra.0+0x234/0x274 [umac]
<4>[11/10/2019 04:37:14.8794] pc : [<dc1c0000>]    lr : [<bfcacdac>]    psr: a0000113

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