#17378: USB crash when USB WiFi dongle is used (RTL8192CU) - WDR4300
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Reporter: l.baj@… | Owner: developers
Type: defect | Status: new
Priority: high | Milestone:
Component: kernel | Version: Trunk
Resolution: | Keywords:
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Comment (by Polydeukes):
Hello,
Same problem here. I have tried usb wifi dongles with chipset RTL8187 and
RT3070L. I am running OpenWRT Barrier Breaker 14 r41831 on a ASL-26555.
Here is a log when I dettach the dongle:
[58850.480000] CPU 0 Unable to handle kernel paging request at virtual
address 00100104, epc == 80812e0c, ra == 80812e04
[58850.500000] Oops[#1]:
[58850.500000] CPU: 0 PID: 245 Comm: khubd Not tainted 3.10.49 #1
[58850.500000] task: 818610c0 ti: 81b9e000 task.ti: 81b9e000
[58850.500000] $ 0 : 00000000 00000000 00200200 00100100
[58850.500000] $ 4 : 81b9fcb0 81b9fe68 80f1cb80 0000001a
[58850.500000] $ 8 : 0020001b 0020001b 00000000 80f1c680
[58850.500000] $12 : 00000014 00000001 0020001a 00000001
[58850.500000] $16 : 81895180 81b9fca8 00100100 81895188
[58850.500000] $20 : 81895180 00200200 81b78400 81b74338
[58850.500000] $24 : 8028e57c 8003fa70
[58850.500000] $28 : 81b9e000 81b9fc98 00000000 80812e04
[58850.500000] Hi : 00003586
[58850.500000] Lo : 31f48c00
[58850.500000] epc : 80812e0c ieee80211_remove_interfaces+0x128/0x1b4
[mac80211]
[58850.500000] Not tainted
[58850.500000] ra : 80812e04 ieee80211_remove_interfaces+0x120/0x1b4
[mac80211]
[58850.500000] Status: 1100a403 KERNEL EXL IE
[58850.500000] Cause : 0080000c
[58850.500000] BadVA : 00100104
[58850.500000] PrId : 0001964c (MIPS 24KEc)
[58850.500000] Modules linked in: rt2800usb rt2800soc rt2800mmio rt2800lib
pppoe ppp_async iptable_nat rtl8187 rt2x00usb rt2x00soc rt2x00mmio
rt2x00lib pptp pppox ppp_mppe ppp_generic nf_nat_pptp nf_nat_ipv4
nf_nat_amanda nf_conntrack_pptp nf_conntrack_ipv4 nf_conntrack_amanda
mac80211 ipt_MASQUERADE cfg80211 xt_time xt_tcpudp xt_tcpmss xt_string
xt_statistic xt_state xt_recent xt_quota xt_pkttype xt_physdev xt_owner
xt_nat xt_multiport xt_mark xt_mac xt_limit xt_length xt_hl xt_helper
xt_ecn xt_dscp xt_conntrack xt_connmark xt_connlimit xt_connbytes
xt_comment xt_addrtype xt_TCPMSS xt_REDIRECT xt_NETMAP xt_LOG xt_HL
xt_DSCP xt_CT xt_CLASSIFY vhci_hcd usbip_host usbip_core ums_usbat
ums_sddr55 ums_sddr09 ums_karma ums_jumpshot ums_isd200 ums_freecom
ums_datafab ums_cypress ums_alauda ts_kmp ts_fsm ts_bm slhc nf_nat_tftp
nf_nat_snmp_basic nf_nat_sip nf_nat_proto_gre nf_nat_irc nf_nat_h323
nf_nat_ftp nf_nat nf_defrag_ipv4 nf_conntrack_tftp nf_conntrack_snmp
nf_conntrack_sip nf_conntrack_proto_gre nf_conntrack_irc nf_conntrack_h323
nf_conntrack_ftp nf_conntrack_broadcast iptable_raw iptable_mangle
iptable_filter ipt_REJECT ipt_ECN ip_tables crc_itu_t crc_ccitt compat
act_connmark act_skbedit act_mirred em_u32 cls_u32 cls_tcindex cls_flow
cls_route cls_fw sch_hfsc sch_ingress ledtrig_usbdev ip6t_REJECT
ip6table_raw ip6table_mangle ip6table_filter ip6_tables x_tables
nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 nfsv3 nfs ip_gre gre ifb
ip_tunnel tun lockd sunrpc dns_resolver ipv6 eeprom_93cx6 sha1_generic ecb
arc4 crypto_blkcipher usb_storage leds_gpio dwc_otg ehci_platform ehci_hcd
sd_mod scsi_mod gpio_button_hotplug usbcore nls_base usb_common
crypto_hash
[58850.500000] Process khubd (pid: 245, threadinfo=81b9e000,
task=818610c0, tls=00000000)
[58850.500000] Stack : 81895380 80f1b180 00000000 00000000 81b9fca8
81b9fca8 00100100 00200200
[58850.500000] 00000001 81894ac0 81b78800 81bfcd00 80f1b180 00000000
00000000 80800fac
[58850.500000] 00000003 81894ac0 81b78800 81bfcd00 81894ac0 80f107b4
81b9fcec 800daa5c
[58850.500000] 81bfcd20 81b78800 81bfcd20 81b78800 81bfcd00 81babe68
81b77200 8003a8f8
[58850.500000] 81bb7dd0 8015f5bc 81bfcd20 80f1b180 81bb7dd0 81b77200
81bfcd00 8015f760
[58850.500000] ...
[58850.500000] Call Trace:
[58850.500000] [<80812e0c>] ieee80211_remove_interfaces+0x128/0x1b4
[mac80211]
[58850.500000] [<80800fac>] ieee80211_unregister_hw+0x3c/0xe4 [mac80211]
[58850.500000] [<80f107b4>] 0x80f107b4
[58850.500000]
[58850.500000]
[58850.500000] Code: 27a40018 8fa2001c 8fa30018 <ac620004> ac430000
8fb00010 3c030010 3c020020 24630100
[58851.130000] ---[ end trace d630128d74c2ead9 ]---
And here is a log when I do a "rmmod rtl8187" while the module is still in
use (dongle attached):
[ 520.030000] usbcore: deregistering interface driver rtl8187
[ 520.060000] CPU 0 Unable to handle kernel paging request at virtual
address 00100104, epc == 80812e0c, ra == 80812e04
[ 520.080000] Oops[#1]:
[ 520.080000] CPU: 0 PID: 1669 Comm: rmmod Not tainted 3.10.49 #1
[ 520.080000] task: 815c25b0 ti: 818a4000 task.ti: 818a4000
[ 520.080000] $ 0 : 00000000 00000000 00200200 00100100
[ 520.080000] $ 4 : 818a5da0 818a5f58 00000001 00000011
[ 520.080000] $ 8 : 80200012 80200012 00000001 80862600
[ 520.080000] $12 : 00000014 00000001 80200011 00000001
[ 520.080000] $16 : 81895180 818a5d98 00100100 81895188
[ 520.080000] $20 : 81895180 00200200 00000002 0045dc1c
[ 520.080000] $24 : 8028e57c 8003fa70
[ 520.080000] $28 : 818a4000 818a5d88 007f01d5 80812e04
[ 520.080000] Hi : 000003ba
[ 520.080000] Lo : 00000006
[ 520.080000] epc : 80812e0c ieee80211_remove_interfaces+0x128/0x1b4
[mac80211]
[ 520.080000] Not tainted
[ 520.080000] ra : 80812e04 ieee80211_remove_interfaces+0x120/0x1b4
[mac80211]
[ 520.080000] Status: 1100a403 KERNEL EXL IE
[ 520.080000] Cause : 0080000c
[ 520.080000] BadVA : 00100104
[ 520.080000] PrId : 0001964c (MIPS 24KEc)
[ 520.080000] Modules linked in: rt2800usb rt2800soc rt2800mmio rt2800lib
pppoe ppp_async iptable_nat rtl8187(-) rt2x00usb rt2x00soc rt2x0h
[ 520.080000] Process rmmod (pid: 1669, threadinfo=818a4000,
task=815c25b0, tls=776c6440)
[ 520.080000] Stack : 81895380 8087b180 00000000 0045cefc 818a5d98
818a5d98 00100100 00200200
00000001 81894ac0 81b76400 81b7e100 8087b180 00000000 0045cefc
80800fac
00000003 81894ac0 81b76400 81b7e100 81894ac0 808707b4 818a5ddc
800daa5c
81b7e120 81b76400 81b7e120 81b76400 81b7e100 81babe68 00000000
8003a8f8
81b7e154 8015f5bc 81b7e120 8087b180 81b7e154 00000000 00400000
8015f760
...
[ 520.080000] Call Trace:
[ 520.080000] [<80812e0c>] ieee80211_remove_interfaces+0x128/0x1b4
[mac80211]
[ 520.080000] [<80800fac>] ieee80211_unregister_hw+0x3c/0xe4 [mac80211]
[ 520.080000] [<808707b4>] 0x808707b4
[ 520.080000]
[ 520.080000]
Code: 27a40018 8fa2001c 8fa30018 <ac620004> ac430000 8fb00010 3c030010
3c020020 24630100
[ 520.710000] ---[ end trace 6c96a640941abd01 ]---
Segmentation fault
--
Ticket URL: <https://dev.openwrt.org/ticket/17378#comment:1>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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