Intel Wireless 8260 on IdeaPad Laptop not functioning with Debian Jessie
Dear all at debian-laptop@lists.debian.org,
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communicate. I have been using Debian for about two and a half years, so I am not a complete beginner, but I am certainly no expert, and this is my first time posting to the mailing lists, so I do ask your pardon in advance if I do
something wrong. I am not subscribed to the mailing list, so I ask that you CC me in your reply if you think you can help. Thanks.
In January of 2016, I purchased a Lenovo IdeaPad Y700 laptop, which had Windows 10 pre-installed on it. Since that time I have been unable to get my Intel Wireless 8260 Wireless card to work, either with my Debian Jessie
stable distro, or with an LFS system that I tried to build from scratch on another disk partition. After several hours searching the internet for solutions, I have seen that this is a common problem with Lenovo computers. Here
are the solutions that I have tried:
1. I recompiled the kernel, using the stable 4.4.1 version that I obtained from www.kernel.org via wget. Using apt, I downloaded the package kernel-package. Using menuconfig, I selected the iwlwifi drivers in the wireless
options. I made the image using the make-kpkg command, and compiled it using the fakeroot make-kpkg --initrd --revision=1.0.custom kernel_image command. I rebooted, but the drivers seemed not to have been correct, and the wifi card
continued not to work.
2. I then downloaded the most recent backports package using wget https://www.kernel.org/pub/linux/kernel/projects/backports/2016/01/22/backports-20160122.tar.gz. I untarred the package, issued the commands make
defconfig-wifi && make && make install. The program seemed to compile without any errors. I then searched in the /lib/modules/4.4.1/build/drivers/net/wireless/iwlwifi/pcie/drv.c file, where on line 425 I read:
{IWL_PCI_DEVICE(0x24F3, 0x1010, iwl8260_2ac_cfg)},
This seemed to indicate to me that my device should be supported, based on the lspci -nnk | grep 0280 -A2 command, which gives the following output:
08:00.0 Network controller [0280]: Intel Corporation Wireless 8260 [8086:24f3] (rev 3a)
Subsystem: Intel Corporation Device [8086:1010]
Kernel driver in use: iwlwifi
However, upon rebooting my machine, my wifi card still did not work.
3. I then attempted to manage a problem with rfkill by searching in the file /lib/modules/4.4.1/build/drivers/platform/x86/ideapad-laptop.c, which states:
/*
* Some ideapads don't have a hardware rfkill switch, reading VPCCMD_R_RF
* always results in 0 on these models, causing ideapad_laptop to wrongly
* report all radios as hardware-blocked.
*/
At line 902, I added the following:
{
.ident = "Lenovo Yoga 700",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad Y700 Touch-15ISK"),
},
},
This was because the output of the command dmidecode | grep -A3 '^System Information' was:
System Information
Manufacturer: LENOVO
Product Name: 80NW
Version: Lenovo ideapad Y700 Touch-15ISK
I guessed based on this that DMI_PRODUCT_VERSION should therefore be set to "Lenovo ideapad Y700 Touch-15ISK". However, upon reboot, rkill list still showed the follwoing:
0: hci0: Bluetooth
Soft blocked: yes
Hard blocked: no
1: ideapad_wlan: Wireless LAN
Soft blocked: no
Hard blocked: yes
2: ideapad_bluetooth: Bluetooth
Soft blocked: no
Hard blocked: yes
3: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
I don't know why phy0 is showing up as a logical device, because that had not been showing up prior to my updating the kernel to 4.4.1. However, I don't think this is part of the problem. Since I am not a developer and I am
not really versed in C or any other language, I have no idea if I made some kind of a mistake in some of the fixes that I tried to apply. I believe I have exhausted my capacity to troubleshoot the problem using web searches, and I
therefore am seeking some help here. The outputs of some other commands appear below for further information:
dmesg | grep -i iwl
[ 2.477758] iwlwifi 0000:08:00.0: Direct firmware load for iwlwifi-8000C-20.ucode failed with error -2
[ 2.484820] iwlwifi 0000:08:00.0: loaded firmware version 16.242414.0 op_mode iwlmvm
[ 2.520860] iwlwifi 0000:08:00.0: Unsupported splx structure
[ 2.557772] iwlwifi 0000:08:00.0: Detected Intel(R) Dual Band Wireless AC 8260, REV=0x208
[ 2.558389] iwlwifi 0000:08:00.0: L1 Enabled - LTR Enabled
[ 2.559215] iwlwifi 0000:08:00.0: L1 Enabled - LTR Enabled
[ 2.567127] iwlwifi 0000:08:00.0: can't access the RSA semaphore it is write protected
[ 2.718970] ieee80211 phy0: Selected rate control algorithm 'iwl-mvm-rs'
lspci:
00:00.0 Host bridge: Intel Corporation Device 1910 (rev 07)
00:01.0 PCI bridge: Intel Corporation Device 1901 (rev 07)
00:02.0 VGA compatible controller: Intel Corporation Device 191b (rev 06)
00:14.0 USB controller: Intel Corporation Device a12f (rev 31)
00:16.0 Communication controller: Intel Corporation Device a13a (rev 31)
00:17.0 SATA controller: Intel Corporation Device a103 (rev 31)
00:1c.0 PCI bridge: Intel Corporation Device a111 (rev f1)
00:1c.2 PCI bridge: Intel Corporation Device a112 (rev f1)
00:1c.3 PCI bridge: Intel Corporation Device a113 (rev f1)
00:1f.0 ISA bridge: Intel Corporation Device a14e (rev 31)
00:1f.2 Memory controller: Intel Corporation Device a121 (rev 31)
00:1f.3 Audio device: Intel Corporation Device a170 (rev 31)
00:1f.4 SMBus: Intel Corporation Device a123 (rev 31)
01:00.0 3D controller: NVIDIA Corporation Device 139b (rev a2)
07:00.0 SD Host controller: O2 Micro, Inc. SD/MMC Card Reader Controller (rev 01)
08:00.0 Network controller: Intel Corporation Wireless 8260 (rev 3a)
09:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
part of lshw output:
*-pci:2
description: PCI bridge
product: Intel Corporation
vendor: Intel Corporation
physical id: 1c.2
bus info: pci@0000:00:1c.2
version: f1
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:124 memory:94100000-941fffff
*-network DISABLED
description: Wireless interface
product: Wireless 8260
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:08:00.0
logical name: wlan0
version: 3a
serial: a4:34:d9:2f:eb:21
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=4.4.1 firmware=16.242414.0 latency=0 link=no multicast=yes wireless=IEEE 802.11abgn
resources: irq:130 memory:94100000-94101fff
*-pci:3
description: PCI bridge
product: Intel Corporation
vendor: Intel Corporation
physical id: 1c.3
bus info: pci@0000:00:1c.3
version: f1
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:125 ioport:3000(size=4096) memory:94000000-940fffff
*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:09:00.0
logical name: eth0
version: 15
serial: 50:7b:9d:5c:a7:1f
size: 100Mbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full ip=192.168.1.100 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
resources: irq:126 ioport:3000(size=256) memory:94004000-94004fff memory:94000000-94003fff
lsmod | grep -i iwl:
iwlmvm 303104 0
mac80211 552960 1 iwlmvm
iwlwifi 176128 1 iwlmvm
cfg80211 466944 3 iwlwifi,mac80211,iwlmvm
compat 16384 4 cfg80211,iwlwifi,mac80211,iwlmvm
head -n7 /proc/cpuinfo:
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 94
model name : Intel(R) Core(TM) i7-6700HQ CPU @ 2.60GHz
stepping : 3
microcode : 0x39
Note that the ethernet card is working properly. Thank you.
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