NETDEV WATCHDOG: usb0 (qmi_wwan): transmit queue 0 timed out
david preetham
preetham.david at gmail.com
Thu Jul 24 06:53:46 PDT 2014
Hi,
I was facing issue with huawei E392 device. kernel crash is happening after
some time. when trying to send 10Mbps traffic. device is loaded with
qmi_wwan driver. drivers are backported for kernel version 2.6.32. i
searched some blogs it is telling that APCI issue. not able to clearly find
the issue.
un 4 12:54:10 RuckusAP user.warn kernel: ------------[ cut here
]------------
Jun 4 12:54:10 RuckusAP user.warn kernel: WARNING: at
/home/jenkins/workspace/SCG_3.0.0.0_ZF795x/linux/kernels/linux-2.6.32.24/net/sched/sch_generic.c:261
dev_watchdog+0x164/0x260()
Jun 4 12:54:10 RuckusAP user.info kernel: NETDEV WATCHDOG: usb0 (qmi_wwan):
transmit queue 0 timed out
Jun 4 12:54:10 RuckusAP user.warn kernel: Modules linked in: qmi_wwan
ar_cdc_wdm option usbserial cdc_ether usbnet wispr_http(P) br_dnat(P) ip_gre
v54smartmedia(P) br_dhcp(P) br_pif(P) br_ci ath_dual wlan_u(P) wlan_acl
wlan_xauth wlan_ccmp wlan_wep wlan_tkip wlan_scan_sta wlan_scan_rks
ath_spectral(P)
ath_dfs(P) ath_rate_v54beamflex(P) ath_hal(P) wlan athrs_gmac rks_acl
rks_dns(P) rudb(P) rks_ioctl
Jun 4 12:54:10 RuckusAP user.warn kernel: Call Trace:
Jun 4 12:54:10 RuckusAP user.warn kernel: [<80088a7c>] dump_stack+0x8/0x34
Jun 4 12:54:10 RuckusAP user.warn kernel: [<800a9bf4>]
warn_slowpath_common+0x70/0xb0
Jun 4 12:54:10 RuckusAP user.warn kernel: [<800a9c74>]
warn_slowpath_fmt+0x24/0x30
Jun 4 12:54:10 RuckusAP user.warn kernel: [<802649dc>]
dev_watchdog+0x164/0x260
Jun 4 12:54:10 RuckusAP user.warn kernel: [<800b43b8>]
run_timer_softirq+0x14c/0x1d8
Jun 4 12:54:10 RuckusAP user.warn kernel: [<800afd2c>]
__do_softirq+0xb4/0x14c
Jun 4 12:54:10 RuckusAP user.warn kernel: [<800afe0c>] do_softirq+0x48/0x6c
Jun 4 12:54:10 RuckusAP user.warn kernel: [<8008050c>] ret_from_irq+0x0/0x4
Jun 4 12:54:10 RuckusAP user.warn kernel: [<8008ddcc>]
r4k_wait_irqoff+0x20/0x24
Jun 4 12:54:10 RuckusAP user.warn kernel: [<8008e800>] cpu_idle+0x24/0x44
Jun 4 12:54:10 RuckusAP user.warn kernel: [<803a5a5c>]
start_kernel+0x34c/0x368
Jun 4 12:54:10 RuckusAP user.warn kernel: ---[ end trace 5c960849b18c9e51
]---
Jun 4 12:54:19 RuckusAP daemon.info hostapd: wlan0: STA 1c:ab:a7:40:e9:ef
IEEE 802.11: associated
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