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	Mon, 13 Apr 2009 11:59:12 -0400
Subject: Re: A warning in latest -git 2.6.30-rc1
From: reinette chatre <reinette.chatre@intel.com>
To: Maxim Levitsky <maximlevitsky@gmail.com>
Cc: linux-wireless <linux-wireless@vger.kernel.org>,
	iwlwifi maling list <ipw3945-devel@lists.sourceforge.net>
In-Reply-To: <1239576236.3814.2.camel@maxim-laptop>
References: <1239576236.3814.2.camel@maxim-laptop>
Content-Type: text/plain
Date: Mon, 13 Apr 2009 09:05:05 -0700
Message-Id: <1239638705.10251.8.camel@rc-desk> (sfid-20090413_175915_345262_BAEC5960)
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Sender: linux-wireless-owner@vger.kernel.org
List-ID: <linux-wireless.vger.kernel.org>

Hi Maxim,

On Sun, 2009-04-12 at 15:43 -0700, Maxim Levitsky wrote:
> I have just noticed this, seems to be harmless, everything works fine:
> 
> 
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250121] ------------[ cut here ]------------
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250128] WARNING: at /home/maxim/software/kernel/linux-2.6/drivers/net/wireless/iwlwifi/iwl3945-base.c:496 iwl3945_mac_set_key+0x7e5/0x7f0 [iwl3945]()
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250134] Hardware name: Aspire 5720     
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250137] no space for a new keyModules linked in: uhci_hcd af_packet nfsd exportfs nfs lockd nfs_acl auth_rpcgss sunrpc cpufreq_powersave cpufreq_conservative cpufreq_userspace acpi_cpufreq coretemp uvcvideo videodev v4l1_compat v4l2_compat_ioctl32 sbp2 joydev iwl3945 iwlcore psmouse snd_hda_codec_realtek rfkill ehci_hcd tg3 snd_hda_intel snd_hda_codec iTCO_wdt mac80211 nvidia(P) ohci1394 ricoh_mmc sdhci_pci sdhci evdev serio_raw libphy snd_hwdep iTCO_vendor_support usbcore snd_pcm snd_timer snd_page_alloc ext3 jbd mbcache fuse
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250208] Pid: 8, comm: events/0 Tainted: P        W  2.6.30-rc1-vanilla #5
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250212] Call Trace:
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250224]  [<ffffffff802463f0>] warn_slowpath+0xd0/0x130
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250233]  [<ffffffff802c8bdf>] ? __slab_alloc+0xbf/0x760
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250241]  [<ffffffff802e60d1>] ? alloc_inode+0x51/0x60
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250247]  [<ffffffff802e3a1f>] ? __d_lookup+0xcf/0x150
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250255]  [<ffffffff8035988c>] ? security_inode_alloc+0x1c/0x20
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250262]  [<ffffffff802e5fbe>] ? inode_init_always+0x12e/0x1f0
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250277]  [<ffffffffa09dc100>] ? iwl3945_mac_set_key+0x0/0x7f0 [iwl3945]
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250284]  [<ffffffff8035a416>] ? security_d_instantiate+0x16/0x30
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250291]  [<ffffffff802e2d45>] ? d_instantiate+0x45/0x50
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250313]  [<ffffffffa09b97bd>] ? iwl_scan_cancel_timeout+0x2d/0xb0 [iwlcore]
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250328]  [<ffffffffa09dc8e5>] iwl3945_mac_set_key+0x7e5/0x7f0 [iwl3945]
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250357]  [<ffffffffa08d72fc>] __ieee80211_key_todo+0x16c/0x330 [mac80211]
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250383]  [<ffffffffa08d7630>] ? key_todo+0x0/0x10 [mac80211]
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250408]  [<ffffffffa08d7615>] ieee80211_key_todo+0x15/0x30 [mac80211]
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250433]  [<ffffffffa08d7639>] key_todo+0x9/0x10 [mac80211]
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250441]  [<ffffffff80259713>] worker_thread+0x1a3/0x2a0
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250448]  [<ffffffff8025e290>] ? autoremove_wake_function+0x0/0x40
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250455]  [<ffffffff80259570>] ? worker_thread+0x0/0x2a0
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250461]  [<ffffffff80259570>] ? worker_thread+0x0/0x2a0
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250467]  [<ffffffff8025dd96>] kthread+0x56/0x90
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250475]  [<ffffffff8020ceea>] child_rip+0xa/0x20
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250481]  [<ffffffff8025dd40>] ? kthread+0x0/0x90
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250487]  [<ffffffff8020cee0>] ? child_rip+0x0/0x20
> > Apr 13 00:35:22 maxim-laptop kernel: [ 3495.250492] ---[ end trace a941121475b47e49 ]---
> > 
> Happens often, usually after resume from disk. I have WPA2 network.
> 
> 
> This is vanilla kernel commit b0cbc861a3c05e634520b049b5cc27ad6febb51f

Sounds like you can easily reproduce it ... would it be possible to get
us some extra logs for this problem? Could you please run with debug
0x400002 ?

Thank you very much

Reinette