我下载了固件并将其复制到 /lib/firmware，但仍然不断出现错误。
/lib/firmware 的内容：
-rw-r--r-- 1 root root 337520 Jun 16 2014 iwlwifi-1000-5.ucode
-rw-r--r-- 1 root root 337572 Jun 16 2014 iwlwifi-100-5.ucode
-rw-r--r-- 1 root root 689680 Jun 16 2014 iwlwifi-105-6.ucode
-rw-r--r-- 1 root root 701228 Jun 16 2014 iwlwifi-135-6.ucode
-rw-r--r-- 1 root root 695876 Jun 16 2014 iwlwifi-2000-6.ucode
-rw-r--r-- 1 root root 707392 Jun 16 2014 iwlwifi-2030-6.ucode
-rw-r--r-- 1 root root 670484 Jun 16 2014 iwlwifi-3160-7.ucode
-rw-r--r-- 1 root root 667284 Jun 16 2014 iwlwifi-3160-8.ucode
-rw-r--r-- 1 root root 666792 Jun 16 2014 iwlwifi-3160-9.ucode
-rw-r--r-- 1 root root 1180356 Jul 15 12:13 iwlwifi-3165-15.ucode
-rw-r--r-- 1 root root 150100 Jun 16 2014 iwlwifi-3945-2.ucode
-rw-r--r-- 1 root root 187972 Jun 16 2014 iwlwifi-4965-2.ucode
-rw-r--r-- 1 root root 353240 Jun 16 2014 iwlwifi-5000-2.ucode
-rw-r--r-- 1 root root 340696 Jun 16 2014 iwlwifi-5000-5.ucode
-rw-r--r-- 1 root root 337400 Jun 16 2014 iwlwifi-5150-2.ucode
-rw-r--r-- 1 root root 454608 Jun 16 2014 iwlwifi-6000-4.ucode
-rw-r--r-- 1 root root 444128 Jun 16 2014 iwlwifi-6000g2a-5.ucode
-rw-r--r-- 1 root root 677296 Jun 16 2014 iwlwifi-6000g2a-6.ucode
-rw-r--r-- 1 root root 679436 Jun 16 2014 iwlwifi-6000g2b-6.ucode
-rw-r--r-- 1 root root 463692 Jun 16 2014 iwlwifi-6050-4.ucode
-rw-r--r-- 1 root root 469780 Jun 16 2014 iwlwifi-6050-5.ucode
-rw-r--r-- 1 root root 683236 Jun 16 2014 iwlwifi-7260-7.ucode
-rw-r--r-- 1 root root 679780 Jun 16 2014 iwlwifi-7260-8.ucode
-rw-r--r-- 1 root root 679380 Jun 16 2014 iwlwifi-7260-9.ucode
-rw-rw-r-- 1 root root 885224 Jun 18 2015 iwlwifi-7265-13.ucode
-rw-r--r-- 1 root root 1180224 Jul 15 15:46 iwlwifi-7265-14.ucode
-rw-r--r-- 1 root root 1180356 Jul 15 12:13 iwlwifi-7265-15.ucode
-rw-r--r-- 1 root root 690452 Jun 16 2014 iwlwifi-7265-8.ucode
-rw-r--r-- 1 root root 691960 Jun 16 2014 iwlwifi-7265-9.ucode
-rw-rw-r-- 1 root root 1008692 Jun 18 2015 iwlwifi-7265D-13.ucode
-rw-r--r-- 1 root root 1384256 Jul 15 15:46 iwlwifi-7265D-14.ucode
消息输出：
[ 8.549314] iwlwifi 0000:03:00.0: firmware: failed to load iwlwifi-7265D-26.ucode (-2)
[ 8.549420] iwlwifi 0000:03:00.0: Direct firmware load for iwlwifi-7265D-26.ucode failed with error -2
[ 8.549447] iwlwifi 0000:03:00.0: firmware: failed to load iwlwifi-7265D-25.ucode (-2)
[ 8.549546] iwlwifi 0000:03:00.0: Direct firmware load for iwlwifi-7265D-25.ucode failed with error -2
[ 8.549569] iwlwifi 0000:03:00.0: firmware: failed to load iwlwifi-7265D-24.ucode (-2)
[ 8.549667] iwlwifi 0000:03:00.0: Direct firmware load for iwlwifi-7265D-24.ucode failed with error -2
[ 8.549689] iwlwifi 0000:03:00.0: firmware: failed to load iwlwifi-7265D-23.ucode (-2)
[ 8.549786] iwlwifi 0000:03:00.0: Direct firmware load for iwlwifi-7265D-23.ucode failed with error -2
[ 8.549807] iwlwifi 0000:03:00.0: firmware: failed to load iwlwifi-7265D-22.ucode (-2)
[ 8.549905] iwlwifi 0000:03:00.0: Direct firmware load for iwlwifi-7265D-22.ucode failed with error -2
[ 8.549925] iwlwifi 0000:03:00.0: firmware: failed to load iwlwifi-7265D-21.ucode (-2)
[ 8.550093] iwlwifi 0000:03:00.0: Direct firmware load for iwlwifi-7265D-21.ucode failed with error -2
[ 8.550114] iwlwifi 0000:03:00.0: firmware: failed to load iwlwifi-7265D-20.ucode (-2)
[ 8.550280] iwlwifi 0000:03:00.0: Direct firmware load for iwlwifi-7265D-20.ucode failed with error -2
[ 8.550301] iwlwifi 0000:03:00.0: firmware: failed to load iwlwifi-7265D-19.ucode (-2)
[ 8.550467] iwlwifi 0000:03:00.0: Direct firmware load for iwlwifi-7265D-19.ucode failed with error -2
[ 8.550488] iwlwifi 0000:03:00.0: firmware: failed to load iwlwifi-7265D-18.ucode (-2)
[ 8.550654] iwlwifi 0000:03:00.0: Direct firmware load for iwlwifi-7265D-18.ucode failed with error -2
[ 8.550674] iwlwifi 0000:03:00.0: firmware: failed to load iwlwifi-7265D-17.ucode (-2)
[ 8.550839] iwlwifi 0000:03:00.0: Direct firmware load for iwlwifi-7265D-17.ucode failed with error -2
答案1
通过安装固件修复：
root@server:~# apt-get install -t jessie-backports firmware-iwlwifi