Hello, I've initialisation problem with my iwl3945 network card in Dell XPS M1530 laptop. The issue is known and described in couple of bug reports (eg. http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=2143). There are workarounds but I'd like to solve the problem permanently. Basically when initializing I get: iwl3945 0000:0b:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ iwl3945 0000:0b:00.0: setting latency timer to 64 iwl3945 0000:0b:00.0: MAC is in deep sleep!. CSR_GP_CNTRL = 0xFFFFFFFF iwl3945 0000:0b:00.0: MAC is in deep sleep!. CSR_GP_CNTRL = 0xFFFFFFFF .... iwl3945 0000:0b:00.0: MAC is in deep sleep!. CSR_GP_CNTRL = 0xFFFFFFFF iwl3945 0000:0b:00.0: bad EEPROM signature,EEPROM_GP=0x00000007 iwl3945 0000:0b:00.0: EEPROM not found, EEPROM_GP=0xffffffff Currently I'm working on Fedora 16 with 3.1.5-6.fc16.i686 kernel. I did some investigation/debugging on iwlegacy driver and found out few things. 1. Driver can't initialize card as all ioread32/iowrite32 seems to not do their job. All reads finalize with 0xffffffff. However I can see that: - pci_iomap(pdev, 0, 0) doesn't return error, - pci_resource_start(pdev, 0) seems gives correct address (I can compare it with the one I can see in /proc/iomem). If I access the memory directly, not by mapping, I can write and read pci memory but driver load fails anyway. I don't understand why can't access using mapped memory. 2. If I check BASE_ADDRESS with setpci it doesn't give correct values: # setpci -v -s 0b:00.0 BASE_ADDRESS_0 BASE_ADDRESS_1 0000:0b:00.0 @10 = 00000000 0000:0b:00.0 @14 = 00000000 Not sure if it's done by driver itself or it should point correct values even if the driver wasn't fully loaded. Have you got any idea of: - why IO memory isn't accessible? what could cause that? - how APIC could change the load process in this particular case? (if I boot with noapic kernel option it usually works fine) - is there a way to check the status or rescan the device from driver itself? This issue is reproducible in 100% on my system when I turn on the machine. It doesn't occur after some work on it. I'd be very happy to get rid of the issue. Could you point some ideas that might be worth checking in driver or kernel please? I've tried couple of ideas but none worked for me. Regards, Kamil Grzebien -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
