On Tue, Jan 03, 2012 at 11:34:58AM +0100, Stanislaw Gruszka wrote: > On Tue, Dec 27, 2011 at 11:53:40AM +0100, Michal Hocko wrote: > > my laptop died (due to drained batteries) while it was suspended to > > RAM and the wireless didn't get back to life after I booted again. > > I wonder how we could kill hardware that way ... > > > Dmesg says: > > cfg80211: Calling CRDA to update world regulatory domain > > iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, in-tree:s > > iwl3945: Copyright(c) 2003-2011 Intel Corporation > > iwl3945 0000:05:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18 > > iwl3945 0000:05:00.0: setting latency timer to 64 > > iwl3945 0000:05:00.0: MAC is in deep sleep!. CSR_GP_CNTRL = 0xFFFFFFFF > > iwl3945 0000:05:00.0: MAC is in deep sleep!. CSR_GP_CNTRL = 0xFFFFFFFF > > iwl3945 0000:05:00.0: MAC is in deep sleep!. CSR_GP_CNTRL = 0xFFFFFFFF > > iwl3945 0000:05:00.0: MAC is in deep sleep!. CSR_GP_CNTRL = 0xFFFFFFFF > > iwl3945 0000:05:00.0: MAC is in deep sleep!. CSR_GP_CNTRL = 0xFFFFFFFF > > iwl3945 0000:05:00.0: MAC is in deep sleep!. CSR_GP_CNTRL = 0xFFFFFFFF > > iwl3945 0000:05:00.0: bad EEPROM signature,EEPROM_GP=0x00000007 > > iwl3945 0000:05:00.0: EEPROM not found, EEPROM_GP=0xffffffff > > iwl3945 0000:05:00.0: Unable to init EEPROM > > iwl3945 0000:05:00.0: PCI INT A disabled > > iwl3945: probe of 0000:05:00.0 failed with error -2 > > > > Is there anything I can do to resurrect it? > > No idea. Please provide logs with debug=0x47ffffff option. > > Did you try to totally power-off the laptop by removing > battery (and power cable of course) ? > > If anything other will not help, is possible to rewrite eeprom, I don't > know how to do this, but I know that tool for that exist: > http://code.google.com/p/iwleeprom/ Actually I do not think we overwrite eeprom, seems problem is at pci-e bus level. Simply we can not communicate with device through pci-e bus. That is kind a silly, but you can check if removing cart from slot and put it back again (assuring it correctly connected) helps. Stanislaw -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
