#20472: Seg fault while loading ath5k on mikrotik rb411
----------------------------+-----------------------------------
Reporter: gimbus109@… | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone: Barrier Breaker 14.07
Component: kernel | Version: Barrier Breaker 14.07
Keywords: ath5k segfault |
----------------------------+-----------------------------------
Fresh install on RB411.
Wifi card: TP-Link TL-WN662AG
{{{
root@OpenWrt:~# cat /etc/openwrt_release
DISTRIB_ID="OpenWrt"
DISTRIB_RELEASE="14.07"
DISTRIB_REVISION="r42625"
DISTRIB_CODENAME="barrier_breaker"
DISTRIB_TARGET="ar71xx/generic"
DISTRIB_DESCRIPTION="OpenWrt Barrier Breaker 14.07"
DISTRIB_TAINTS=""
root@OpenWrt:~#lspci
00:12.0 Ethernet controller: Qualcomm Atheros AR5413/AR5414 Wireless
Network Adapter [AR5006X(S) 802.11abg] (rev 01)
root@OpenWrt:~# opkg install kmod-ath5k
Installing kmod-ath5k (3.10.49+2014-05-22-1) to root...
Downloading
http://downloads.openwrt.org/barrier_breaker/14.07/ar71xx/mikrotik/packages/base
/kmod-ath5k_3.10.49+2014-05-22-1_ar71xx.ipk.
Installing kmod-ath (3.10.49+2014-05-22-1) to root...
Downloading
http://downloads.openwrt.org/barrier_breaker/14.07/ar71xx/mikrotik/packages/base
/kmod-ath_3.10.49+2014-05-22-1_ar71xx.ipk.
Configuring kmod-ath.
Configuring kmod-ath5k.
root@OpenWrt:~# modprobe ath5k
[ 168.050000] PCI: Enabling device 0000:00:12.0 (0000 -> 0002)
[ 168.050000] ath5k 0000:00:12.0: registered as 'phy0'
[ 168.060000] Data bus error, epc == 80c8bf00, ra == 80c8befc
[ 168.060000] Oops[#1]:
[ 168.060000] CPU: 0 PID: 969 Comm: modprobe Not tainted 3.10.49 #5
[ 168.060000] task: 818690c0 ti: 80c02000 task.ti: 80c02000
[ 168.060000] $ 0 : 00000000 0000006e deadc0de 00000000
[ 168.060000] $ 4 : b0000000 00000000 0000000c 00040000
[ 168.060000] $ 8 : 00000000 80064910 74657265 64206173
[ 168.060000] $12 : 00000000 00000001 00000000 3d2b7063
[ 168.060000] $16 : 80c19440 000000a5 00000000 00000000
[ 168.060000] $20 : b0000000 81817800 00000000 00000017
[ 168.060000] $24 : 00000003 80191d70
[ 168.060000] $28 : 80c02000 80c03bb0 00000124 80c8befc
[ 168.060000] Hi : 00000000
[ 168.060000] Lo : 88974000
[ 168.060000] epc : 80c8bf00 ath5k_hw_phy_init+0x1960/0x1a30 [ath5k]
[ 168.060000] Not tainted
[ 168.060000] ra : 80c8befc ath5k_hw_phy_init+0x195c/0x1a30 [ath5k]
[ 168.060000] Status: 1000d403 KERNEL EXL IE
[ 168.060000] Cause : 1080001c
[ 168.060000] PrId : 00019374 (MIPS 24Kc)
[ 168.060000] Modules linked in: ath5k(+) mac80211 ath pppoe ppp_async
ipw2100 iptable_nat pppox ppp_generic nf_nat_ipv4 nf_conntrack_ipv4 libh
[ 168.060000] Process modprobe (pid: 969, threadinfo=80c02000,
task=818690c0, tls=77a84440)
[ 168.060000] Stack : 4d3d7063 69004445 56494345 80334680 80c19440
000000a5 81817800 00000000
b0000000 80c8c2c0 80c03c28 80c18ac0 00000000 801c41d8 80c19440
000000a5
00000000 00000000 b0000000 80c8d4cc 00000008 801f8a00 80c19338
80c03c88
80c9f3c0 80c19440 80c18ac0 00000000 b0000000 80c9f574 00000000
00000017
00000124 80c91900 80c18ac0 800ffc88 80c18120 ffffffe0 80ca08ac
80c19440
...
[ 168.060000] Call Trace:
[ 168.060000] [<80c8bf00>] ath5k_hw_phy_init+0x1960/0x1a30 [ath5k]
[ 168.060000] [<80c8d4cc>] ath5k_hw_init+0xbc/0x6e8 [ath5k]
[ 168.060000] [<80c91900>] ath5k_init_ah+0x180/0xb14 [ath5k]
[ 168.060000] [<80c98030>] ath5k_debug_printtxbuf+0x5c0/0x648 [ath5k]
[ 168.060000]
[ 168.060000]
Code: 0c0588cd 00822021 8e0401b8 <00409821> 0c0588cd 24844004 3c03ffc0
00431824 14600004
[ 168.300000] ---[ end trace 410126a93ae59200 ]---
Segmentation fault
}}}
Tried on self compiled minimal kernel/packages - same result.
The same hw had been working OK under mikrotik routerOS.
--
Ticket URL: <https://dev.openwrt.org/ticket/20472>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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