linux-kernel - Re: 3.4-rc2, ilwagn still most of the time completely unusable

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Date:	Thu, 28 Jun 2012 16:25:12 +0900
From:	Norbert Preining <preining@...ic.at>
To:	"Venkataraman, Meenakshi" <meenakshi.venkataraman@...el.com>,
	"Lin, Hsien KuoX" <hsien.kuox.lin@...el.com>
Cc:	Emmanuel Grumbach <egrumbach@...il.com>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"ipw3945-devel@...ts.sourceforge.net" 
	<ipw3945-devel@...ts.sourceforge.net>,
	"ilw@...ux.intel.com" <ilw@...ux.intel.com>
Subject: Re: 3.4-rc2, ilwagn still most of the time completely unusable

Hi everyone,

I am coming back to this old thread, not because it has been solved, 
but because today I got a funny new message while checking why 
everything got stuck again:
	[69588.972126] iwlwifi 0000:06:00.0: fail to flush all tx fifo queues
and after doing
	rfkill block wifi
	sleep 20
	rfkill unblock wifi
I got a kernel warning:
[76477.289251] WARNING: at net/mac80211/driver-ops.h:12 ieee80211_bss_info_change_notify+0x14e/0x1ca [mac80211]()
[76477.289256] Hardware name: VGN-Z11VN_B
[76477.289260] wlan0:  Failed check-sdata-in-driver check, flags: 0x0
[76477.289350] Modules linked in: dm_mod btusb iptable_filter bnep rfcomm bluetooth snd_hrtimer vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) binfmt_misc isofs btrfs zlib_deflate libcrc32c vfat fat fuse loop uinput snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_page_alloc hso arc4 snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi iwlwifi mac80211 snd_seq_midi_event cfg80211 snd_seq lpc_ich snd_seq_device snd_timer mxm_wmi mfd_core snd firewire_ohci firewire_core sony_laptop joydev crc_itu_t tpm_infineon rfkill soundcore
[76477.289361] Pid: 4278, comm: NetworkManager Tainted: P        W  O 3.5.0-rc4+ #78
[76477.289365] Call Trace:
[76477.289380]  [<ffffffff8102ba46>] warn_slowpath_common+0x83/0x9c
[76477.289389]  [<ffffffff8102bb02>] warn_slowpath_fmt+0x46/0x48
[76477.289402]  [<ffffffff813f21da>] ? neigh_ifdown+0xc5/0xd6
[76477.289424]  [<ffffffffa00b252e>] ieee80211_bss_info_change_notify+0x14e/0x1ca [mac80211]
[76477.289448]  [<ffffffffa00b267d>] ieee80211_ifa_changed+0xd3/0xe6 [mac80211]
[76477.289458]  [<ffffffff8104b7e3>] notifier_call_chain+0x37/0x61
[76477.289467]  [<ffffffff8104b919>] __blocking_notifier_call_chain+0x46/0x5f
[76477.289475]  [<ffffffff8104b946>] blocking_notifier_call_chain+0x14/0x16
[76477.289485]  [<ffffffff81432cc0>] __inet_del_ifa+0x176/0x22c
[76477.289494]  [<ffffffff81432f96>] inet_rtm_deladdr+0xe7/0x128
[76477.289504]  [<ffffffff813f61e0>] rtnetlink_rcv_msg+0x226/0x235
[76477.289513]  [<ffffffff8140460c>] ? netlink_sendmsg+0x124/0x20e
[76477.289520]  [<ffffffff813f5fba>] ? __rtnl_unlock+0x17/0x17
[76477.289528]  [<ffffffff814048b8>] netlink_rcv_skb+0x43/0x91
[76477.289536]  [<ffffffff813f415f>] rtnetlink_rcv+0x26/0x2d
[76477.289543]  [<ffffffff81404466>] netlink_unicast+0xe0/0x162
[76477.289551]  [<ffffffff814046d1>] netlink_sendmsg+0x1e9/0x20e
[76477.289562]  [<ffffffff813d7360>] __sock_sendmsg_nosec+0x61/0x6c
[76477.289570]  [<ffffffff813d774e>] sock_sendmsg+0xa1/0xb6
[76477.289582]  [<ffffffff813d96fb>] ? move_addr_to_kernel+0x49/0x67
[76477.289591]  [<ffffffff813e2605>] ? copy_from_user+0x9/0xb
[76477.289599]  [<ffffffff813e29e2>] ? verify_iovec+0x52/0xa4
[76477.289607]  [<ffffffff813d7a11>] __sys_sendmsg+0x206/0x293
[76477.289617]  [<ffffffff8108d48b>] ? __rcu_read_unlock+0xc/0x55
[76477.289627]  [<ffffffff810e69f5>] ? fput+0x16/0x1c7
[76477.289635]  [<ffffffff810e6888>] ? fget_light+0x92/0x9e
[76477.289643]  [<ffffffff813d77b3>] ? fput_light+0xd/0xf
[76477.289651]  [<ffffffff8108d48b>] ? __rcu_read_unlock+0xc/0x55
[76477.289659]  [<ffffffff810e6888>] ? fget_light+0x92/0x9e
[76477.289668]  [<ffffffff813da1ce>] sys_sendmsg+0x42/0x60
[76477.289678]  [<ffffffff81474b72>] system_call_fastpath+0x16/0x1b


Maybe this tells you something.

> > >	[ 9457.176828] iwlwifi 0000:06:00.0: ACTIVATE a non DRIVER active
> > >station id 0 addr 00:24:c4:ab:bd:e0

These messages now appear only now and then.

Best wishes

Norbert
------------------------------------------------------------------------
Norbert Preining            preining@...ist.ac.jp, logic.at, debian.org}
JAIST, Japan                                 TeX Live & Debian Developer
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