From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?Tmljb2xhcyBkZSBQZXNsb8O8YW4=?= Subject: iwlagn: Random "Time out reading EEPROM". Date: Sat, 04 Jun 2011 15:14:41 +0200 Message-ID: <4DEA2FC1.2030104@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit To: "netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , wireless Return-path: Sender: linux-wireless-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org Hi, From time to time, my Intel Wifi adapter fail on cold boot, with the following in dmesg: [ 7.442634] iwlagn: Intel(R) Wireless WiFi Link AGN driver for Linux, 1.3.27ks [ 7.442636] iwlagn: Copyright(c) 2003-2009 Intel Corporation [ 7.442701] iwlagn 0000:05:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18 [ 7.442708] iwlagn 0000:05:00.0: setting latency timer to 64 [ 7.442788] iwlagn 0000:05:00.0: Detected Intel Wireless WiFi Link 5100AGN REV=0x54 [ 7.455547] iwlagn 0000:05:00.0: Time out reading EEPROM[0] [ 7.455611] iwlagn 0000:05:00.0: Unable to init EEPROM [ 7.455678] iwlagn 0000:05:00.0: PCI INT A disabled [ 7.455685] iwlagn: probe of 0000:05:00.0 failed with error -110 After "modprobe -r iwlagn ; modprobe iwlagn" or after a reboot, everything work fine: [ 346.332166] iwlagn: Intel(R) Wireless WiFi Link AGN driver for Linux, 1.3.27ks [ 346.332169] iwlagn: Copyright(c) 2003-2009 Intel Corporation [ 346.332225] iwlagn 0000:05:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18 [ 346.332234] iwlagn 0000:05:00.0: setting latency timer to 64 [ 346.332277] iwlagn 0000:05:00.0: Detected Intel Wireless WiFi Link 5100AGN REV=0x54 [ 346.365739] iwlagn 0000:05:00.0: Tunable channels: 13 802.11bg, 24 802.11a channels [ 346.365787] alloc irq_desc for 33 on node -1 [ 346.365788] alloc kstat_irqs on node -1 [ 346.365804] iwlagn 0000:05:00.0: irq 33 for MSI/MSI-X [ 346.449989] phy0: Selected rate control algorithm 'iwl-agn-rs' This happens using 2.6.32-5 from Debian. I didn't had the opportunity to reproduce it using recent kernel, but it occurs too rarely to conclude anything. I had a look at the git log, without finding something that seems related to this problem. Does this ring a bell for someone? Nicolas. 05:00.0 Network controller: Intel Corporation WiFi Link 5100 Subsystem: Intel Corporation WiFi Link 5100 AGN Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR-