On Sat, Mar 19, 2016 at 09:18:55AM +0100, Xaver Gerster wrote: > > on my laptop, with Intel Corporation Wireless 7260 wifi chip on a > Haswell platform with openSuse 13.1 and kernel 3.12.53-40-desktop I > have recently experienced severe problems using wifi. > > More info can be found in my (sorry, German speaking) posts at > http://linux-club.de/forum/viewtopic.php?f=86&t=121058 > http://linux-club.de/forum/viewtopic.php?f=86&t=121061 > > The bottom line is, that instead of the proper v7 firmware for > kernels less than or equal to 3.12 (see also > https://wireless.wiki.kernel.org/en/users/drivers/iwlwifi#firmware), > at least, on my system, firmware v8 was loaded.
These suggested versions are meant for mainline kernel, evergreen-13.1 kernel has some later driver updates backported so that it may need different firmware version. I tried to look at the code a bit and I suspect your issue may have something to with UAPSD. From what I have seen, it's broken in firmware versions before 9 but some firmware versions declare its support. That's why it was disabled globally first and later enabled if firmware version 9 or higher was loaded. > Renaming the iwlwifi-7260-8.ucode firmware to blablabla and setting > a soft link of the iwlwifi-7260-7.ucode firmware to a dummy > iwlwifi-7260-8.ucode firmware solved the issues for me. The link shouldn't be needed. The iwlwifi driver in evergreen-13.1 kernel declares firmware versions for 7260 chipsets as min=7, ok=7, max=8. This means the driver will try version 8 first and if it can't be found or fails to load, version 7 will be tried (and warning won't be issued if it succeeds to load). Anyway, please open a bug in bugzilla for this issue and assign it to me (bugzilla account is mkube...@suse.com) so that problem description, findings and resolution can be tracked in one place. And please provide output of "lspci -nnk" (at least the part showing the wireless device), output of dmesg after the system fully boots (both in good (fw version 7 loaded) and bad (fw version 8 loaded) case). Michal Kubeček _______________________________________________ Evergreen mailing list Evergreen@lists.rosenauer.org http://lists.rosenauer.org/mailman/listinfo/evergreen