From: Ben Greear <greearb@candelatech.com>
To: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
"ath9k-devel@lists.ath9k.org" <ath9k-devel@venema.h4ckr.net>
Subject: deadlock in ath9k, 3.3.0+ kernel.
Date: Mon, 02 Apr 2012 09:16:05 -0700 [thread overview]
Message-ID: <4F79D0C5.6090601@candelatech.com> (raw)
Looks like my ath9k AP locked up over the weekend. This is
spewing on the console every so often. The tainting comes from
a non-wireless related module that is very unlikely to be
related to this bug.
I had around 200 stations trying to connect, and probably getting
resarted every few minutes due to idle timer.
BUG: soft lockup - CPU#1 stuck for 22s! [dhcpd:20435]
Modules linked in: bluetooth xt_CT iptable_raw veth 8021q garp stp llc macvlan wanlink(PO) pktgen nfs f]
Modules linked in: bluetooth xt_CT iptable_raw veth 8021q garp stp llc macvlan wanlink(PO) pktgen nfs f]
Pid: 20435, comm: dhcpd Tainted: P W O 3.3.0+ #41 To Be Filled By O.E.M. To Be Filled By O.E.M..
EIP: 0060:[<c05986b0>] EFLAGS: 00200287 CPU: 1
EIP is at do_raw_spin_lock+0x89/0xf9
EAX: 000000d8 EBX: f6fd1e04 ECX: 00000000 EDX: 0000d8d7
ESI: 571a3e1f EDI: 00000000 EBP: f20f9b84 ESP: f20f9b68
DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Process dhcpd (pid: 20435, ti=f20f8000 task=f2091480 task.ti=f20f8000)
Stack:
00000000 f20507a0 5f20a170 00000003 00000002 f2050780 f6fd1e04 f20f9b90
c07a917c f6fd1e04 f20f9bcc f8f1b034 00000000 00000000 0000016e f2f5883a
f6fd1df0 f20507b0 f20f9be4 f6fd1320 f8e9f757 f20f9c1c f6fd1320 f2f5883c
Call Trace:
[<c07a917c>] _raw_spin_lock_bh+0x16/0x18
[<f8f1b034>] ath_tx_start+0x190/0x406 [ath9k]
[<f8e9f757>] ? rate_control_get_rate+0x8f/0x132 [mac80211]
[<f8f141c9>] ath9k_tx+0x159/0x18b [ath9k]
[<f8ea8ac1>] __ieee80211_tx+0x1ce/0x248 [mac80211]
[<f8ea8ba4>] ieee80211_tx+0x69/0x77 [mac80211]
[<f8ea8f04>] ieee80211_xmit+0xae/0xb6 [mac80211]
[<f8ea9886>] ieee80211_subif_start_xmit+0x92a/0x93d [mac80211]
[<c0709c30>] ? netif_skb_features+0x7b/0x85
[<c070c44a>] dev_hard_start_xmit+0x37a/0x43e
[<c071ea4a>] sch_direct_xmit+0x52/0x102
[<c070c7d7>] try_dev_queue_xmit+0x2c9/0x47b
[<c070c993>] dev_queue_xmit+0xa/0xc
[<c077d362>] packet_sendmsg+0x888/0x8e4
[<c06fead5>] ? sock_sendmsg+0x93/0xa7
[<c06fe57e>] __sock_sendmsg_nosec+0x4a/0x52
[<c06fe5b0>] __sock_sendmsg+0x2a/0x33
[<c06fe68e>] sock_aio_write+0xd5/0xde
[<c04bdfc6>] do_sync_write+0x8d/0xc8
[<c0547f56>] ? jbd2_log_wait_commit+0x12b/0x14a
[<c055c582>] ? security_file_permission+0x22/0x26
[<c04be18e>] ? rw_verify_area+0xc5/0xe8
[<c04be8e4>] vfs_write+0x8e/0xde
[<c04be9cb>] sys_write+0x3b/0x60
[<c07adb58>] sysenter_do_call+0x12/0x28
Code: f0 66 0f b1 0b 66 39 d0 74 76 69 05 80 cd 96 c0 e8 03 00 00 b9 01 00 00 00 89 45 ec 31 f6 31 ff 8
Call Trace:
[<c07a917c>] _raw_spin_lock_bh+0x16/0x18
[<f8f1b034>] ath_tx_start+0x190/0x406 [ath9k]
[<f8e9f757>] ? rate_control_get_rate+0x8f/0x132 [mac80211]
[<f8f141c9>] ath9k_tx+0x159/0x18b [ath9k]
[<f8ea8ac1>] __ieee80211_tx+0x1ce/0x248 [mac80211]
[<f8ea8ba4>] ieee80211_tx+0x69/0x77 [mac80211]
[<f8ea8f04>] ieee80211_xmit+0xae/0xb6 [mac80211]
[<f8ea9886>] ieee80211_subif_start_xmit+0x92a/0x93d [mac80211]
[<c0709c30>] ? netif_skb_features+0x7b/0x85
[<c070c44a>] dev_hard_start_xmit+0x37a/0x43e
[<c071ea4a>] sch_direct_xmit+0x52/0x102
[<c070c7d7>] try_dev_queue_xmit+0x2c9/0x47b
[<c070c993>] dev_queue_xmit+0xa/0xc
[<c077d362>] packet_sendmsg+0x888/0x8e4
[<c06fead5>] ? sock_sendmsg+0x93/0xa7
[<c06fe57e>] __sock_sendmsg_nosec+0x4a/0x52
[<c06fe5b0>] __sock_sendmsg+0x2a/0x33
[<c06fe68e>] sock_aio_write+0xd5/0xde
[<c04bdfc6>] do_sync_write+0x8d/0xc8
[<c0547f56>] ? jbd2_log_wait_commit+0x12b/0x14a
[<c055c582>] ? security_file_permission+0x22/0x26
[<c04be18e>] ? rw_verify_area+0xc5/0xe8
[<c04be8e4>] vfs_write+0x8e/0xde
[<c04be9cb>] sys_write+0x3b/0x60
[<c07adb58>] sysenter_do_call+0x12/0x28
CTRL-A Z for help |115200 8N1 | NOR | Minicom 2.5 | VT102 | Online 113:34
--
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc http://www.candelatech.com
next reply other threads:[~2012-04-02 16:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-02 16:16 Ben Greear [this message]
2012-04-02 16:34 ` deadlock in ath9k, 3.3.0+ kernel Manoharan, Sujith
2012-04-02 16:58 ` Ben Greear
2012-04-03 3:52 ` Sujith Manoharan
2012-04-03 4:01 ` Ben Greear
2012-04-03 4:06 ` Sujith Manoharan
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