iwlwifi 0000:04:00.0: Detected Intel(R) Dual Band Wireless AC 7265, REV=0x210 3.19.8-200 kernel, firmware version 25.15.12.0 Possibly related to https://bugzilla.redhat.com/show_bug.cgi?id=1202930 though the original report is about 40MHz operation, and my APs are both 20MHz only. Emmanuel requested the original bug be only about 40MHz issues. Every so often the device will stop TX, and a couple minutes later will come back to life. I have debug logs with 0xCFB77FFF debugging that I am happy to share, but cannot post to the bug due to size. Please email me for a link. new-iwlwifi-details.txt: May 20 09:20:29 - hang starts soon after this point May 20 09:21:02 - hang has occurred by this point new-iwlwifi-details2.txt May 20 09:29:42 - rfkilled due to previous hang May 20 09:29:51 - reconnected May 20 09:30:34 - hang occurs sometime after this point In both cases, the hangs seem to coincide with the last occurrence of iwl_mvm_tx_skb() being called. I'm happy to try newer firmware versions or attempt to get firmware debug logs, if somebody can tell me how to do that.
Note that the new 7265D firmware from the iwlwifi firmware repo (https://bugzilla.redhat.com/show_bug.cgi?id=1202930#c53) doesn't work with Fedora 3.19/4.0 kernels because the iwlwifi driver doesn't support -13 ucode API. [33243.714904] iwlwifi 0000:04:00.0: Driver unable to support your firmware API. Driver supports v12, firmware is v13. [33243.714969] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-7265D-11.ucode failed with error -2 (I copied iwlwifi-7265D-13.ucode over top of iwlwifi-7265D-12.ucode)
RH folks - please use ilw.com for support. I agree that in the end, I am the one who help, but I'd really want you to use the mailing list. After all, I am not always at office... Like now where I shouldn't be looking at this bug ;) If you referred to bug 120930, please look at comment 36 there. You should take latest -12.ucode which is 25.17.12.0. It is now merged in mainline, and I *strongly* recommend RH to roll it out ASAP. -13 is supported starting from 4.1. 4.1-rc4 is the first mainline version that supports it. 4.1-rc3 will not work.
I'm building updated firmware packages today. Testing the linux-firmware-20150521 update when it is filed would be a good idea.
Dan, did you have a chance to test the latest firmware? Can I remove myself from this bug?
3 weeks have passed. Removing Intel from this bug. Please re-add us if you still need us.
Bug #1213673 and bug #1244018 seem similar to this one. I'm having similar issues on an ASUS UX305FA with Fedora 23 beta connecting to an 802.11n network. > $ ethtool -i wlp2s0 > driver: iwlwifi > version: 4.2.1-300.fc23.x86_64 > firmware-version: 25.30.13.0 > .. > $ lspci | grep Wireless > 02:00.0 Network controller: Intel Corporation Wireless 7265 (rev 59) This was also happening on Fedora 22 with various kernels. Should I open a new bug for this against F23? There's a 4.2.2 kernel I've just noticed that's been released and I've also downloaded the 25.30.14.0 firmware to try.
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I've tried the version 14 and 15 variants of the 7265 firmware from here: http://git.kernel.org/cgit/linux/kernel/git/iwlwifi/linux-firmware.git/tree/ .. both still drop out with no errors. 16 and 17 don't seem to want to load in my kernel (Fedora 23) I'm going to try a different 802.11n network to check if it happens on that. If there's a newer bug to report this against please let me know and I'll do so there.
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This may well be: https://bugzilla.kernel.org/show_bug.cgi?id=203315 They are disabling TX_AMSDU Also see: https://patchwork.kernel.org/patch/11029027/ https://bugzilla.redhat.com/show_bug.cgi?id=1213673