Re: Terrible F25 WiFi Performance

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$ ethtool -i wlo1
driver: iwlwifi
version: 4.8.17-200.fc24.x86_64
firmware-version: 22.361476.0
expansion-rom-version:
bus-info: 0000:6c:00.0
supports-statistics: yes
supports-test: no
supports-eeprom-access: no
supports-register-dump: no
supports-priv-flags: no

$ lspci
6c:00.0 Network controller [0280]: Intel Corporation Wireless 8260
[8086:24f3] (rev 3a)

$ dmesg | grep firmware
[    5.036668] iwlwifi 0000:6c:00.0: Direct firmware load for
iwlwifi-8000C-24.ucode failed with error -2
[    5.037902] iwlwifi 0000:6c:00.0: Direct firmware load for
iwlwifi-8000C-23.ucode failed with error -2
[    5.043887] iwlwifi 0000:6c:00.0: loaded firmware version
22.361476.0 op_mode iwlmvm


$ dnf provides /usr/lib/firmware/iwlwifi-8000C-22.ucode
Last metadata expiration check: 1:14:21 ago on Wed Jan 11 16:01:02 2017.
iwl7260-firmware-1:25.30.13.0-68.fc25.noarch : Firmware for Intel(R)
Wireless WiFi Link 7260 Series Adapters

$ rpm -q linux-firmware
linux-firmware-20160923-68.git42ad5367.fc25.noarch

In koji, I'm finding the current version of that is
linux-firmware-20161205-69.git91ddce49.fc25 from over a month ago, has
not been submitted as an update. Inside is
iwl7260-firmware-25.30.13.0-69.fc25.noarch.rpm so then I do:

$ koji download-build --arch=noarch 822926
$ sudo dnf update *rpm
$ sudo ls -l /lib/firmware | grep 8000C
-rw-r--r--. 1 root root 1745176 Dec  5 09:39 iwlwifi-8000C-13.ucode
-rw-r--r--. 1 root root 2351636 Dec  5 09:39 iwlwifi-8000C-16.ucode
-rw-r--r--. 1 root root 2394060 Dec  5 09:39 iwlwifi-8000C-21.ucode
-rw-r--r--. 1 root root 2120860 Dec  5 09:39 iwlwifi-8000C-22.ucode

Those are the same as I had before (different date, same versions and
lengths). The kernel either wants -24 or -23 or those are just place
holder versions *in-case* they get released; I'm not sure how that
works.



Chris Murphy
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