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Date: Sat, 18 Jul 2015 22:07:24 +0300 From: Emmanuel Grumbach <egrumbach@...il.com> To: Toralf Förster <toralf.foerster@....de> Cc: linux-wireless <linux-wireless@...r.kernel.org>, Linux Kernel <linux-kernel@...r.kernel.org> Subject: Re: iwlwifi: Microcode SW error detected. Restarting 0x2000000. Emmanuel Grumbach egrumbach@...il.com On Fri, Jul 17, 2015 at 5:06 PM, Toralf Förster <toralf.foerster@....de> wrote: > On 07/14/2015 08:43 AM, Emmanuel Grumbach wrote: >> You are not using the latest firmware. Please upgrade to 25.17.12.0. > > At least with this firmware the issue is self-healing after a short while - I do not need to restart the interface. > Thanks for the feedback. > FWIW it worked flawlessly since Dec last year so far - no software upgrade at the fritz box nor any hardware change. > So the current kernel uncovered then an (existing hidden ?) issue, right ? The current kernel might just be loading a newer firmware that has a regression. It may very well be a regression in iwlwifi (kernel or firmware). What you can try is to use an older firmware. kernel 4.0 can still load -9.ucode and up. So you can just try to downgrade the firmware. Please use: ethtool -i wlan0 to check the version of the firmware. Don't rely on the information in modinfo. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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