Re: Fwd: linux v4.14 causes firmware iwlwifi errors on Lenovo Thinkpad T440s
- Date: Mon, 13 Nov 2017 22:30:31 +0100
- From: Bartosz Golaszewski <brgl@xxxxxxxx>
- Subject: Re: Fwd: linux v4.14 causes firmware iwlwifi errors on Lenovo Thinkpad T440s
2017-11-13 21:45 GMT+01:00 Larry Finger <Larry.Finger@xxxxxxxxxxxx>:
> On 11/13/2017 02:22 PM, Bartosz Golaszewski wrote:
>> Forwarding here too as I messed up the address the last time.
>> I noticed my wireless interface can't get up with linux v4.14 and the
>> kernel log is flooded with firmware errors:
>> iwlwifi 0000:03:00.0: Firmware error during reconfiguration - reprobe!
>> iwlwifi 0000:03:00.0: FW error in SYNC CMD DQA_ENABLE_CMD
>> ieee80211 phy63: Hardware restart was requested.
>> The wireless controller is: Intel Corporation Wireless 7260 (rev 83)
>> Firmware used is: iwlwifi-7260-17
>> Everything works fine with v4.13.12.
>> I didn't have time today to bisect for the offending commit. Full log
>> Best regards,
>> Bartosz Golaszewski
>>  https://pastebin.com/jksqxvS6
> Your log shows "iwlwifi 0000:03:00.0: loaded firmware version 17.228510.0
> op_mode iwlmvm"
> Mine, where the 7260 works, shows "iwlwifi 0000:04:00.0: loaded firmware
> version 17.459231.0 op_mode iwlmvm".
> It seems as if you need newer firmware. A detailed file listing shows
> "-rw-r--r-- 1 root root 1049340 Oct 9 12:03
> /lib/firmware/iwlwifi-7260-17.ucode". That date is likely when I installed
> the updated kernel firmware package from my distro. The md5sum for the file
> is 73a217f55c47d3a70bb5dbbe1d676423.
Ok so it seems the version in linux-firmware is outdated. The file
you're using is available on github and fixed the issue for me.