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#1 2018-03-26 15:41:59

huohuo
Member
Registered: 2016-04-20
Posts: 28

[SLOVED]could not connect to network

Hi all,

i forced shutdown the computer when it got stuck and could not connect to the network again. following are some info maybe useful for you,

➜ ~lspci

00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Host Bridge/DRAM Registers (rev 07)
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor PCIe Controller (x16) (rev 07)
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 530 (rev 06)
00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 07)
00:14.0 USB controller: Intel Corporation Sunrise Point-H USB 3.0 xHCI Controller (rev 31)
00:14.2 Signal processing controller: Intel Corporation Sunrise Point-H Thermal subsystem (rev 31)
00:15.0 Signal processing controller: Intel Corporation Sunrise Point-H Serial IO I2C Controller #0 (rev 31)
00:15.1 Signal processing controller: Intel Corporation Sunrise Point-H Serial IO I2C Controller #1 (rev 31)
00:16.0 Communication controller: Intel Corporation Sunrise Point-H CSME HECI #1 (rev 31)
00:17.0 SATA controller: Intel Corporation Sunrise Point-H SATA Controller [AHCI mode] (rev 31)
00:1c.0 PCI bridge: Intel Corporation Sunrise Point-H PCI Express Root Port #1 (rev f1)
00:1c.1 PCI bridge: Intel Corporation Sunrise Point-H PCI Express Root Port #2 (rev f1)
00:1d.0 PCI bridge: Intel Corporation Sunrise Point-H PCI Express Root Port #9 (rev f1)
00:1d.4 PCI bridge: Intel Corporation Sunrise Point-H PCI Express Root Port #13 (rev f1)
00:1d.6 PCI bridge: Intel Corporation Sunrise Point-H PCI Express Root Port #15 (rev f1)
00:1f.0 ISA bridge: Intel Corporation Sunrise Point-H LPC Controller (rev 31)
00:1f.2 Memory controller: Intel Corporation Sunrise Point-H PMC (rev 31)
00:1f.3 Audio device: Intel Corporation Sunrise Point-H HD Audio (rev 31)
00:1f.4 SMBus: Intel Corporation Sunrise Point-H SMBus (rev 31)
01:00.0 3D controller: NVIDIA Corporation GM107M [GeForce GTX 960M] (rev ff)
02:00.0 Network controller: Broadcom Limited BCM43602 802.11ac Wireless LAN SoC (rev 01)
03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS525A PCI Express Card Reader (rev 01)
➜ ~ ip addr

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: bnep0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 1000
    link/ether 48:e2:44:f5:b9:46 brd ff:ff:ff:ff:ff:ff
    inet 192.168.44.128/24 brd 192.168.44.255 scope global dynamic noprefixroute bnep0
       valid_lft 2467sec preferred_lft 2467sec
    inet6 fe80::bcc8:7322:2d63:14df/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
➜ ~ uname -a
Linux archlinux 4.15.12-1-ARCH #1 SMP PREEMPT Wed Mar 21 15:14:56 UTC 2018 x86_64 GNU/Linux

thanks in advance.

Best,
Meng

Last edited by huohuo (2018-03-27 11:02:09)

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#2 2018-03-26 16:13:51

seth
Member
Registered: 2012-09-03
Posts: 49,951

Re: [SLOVED]could not connect to network

What does this mean?

could not connect to the network again

You've got an interface which is up and has an IP assigned, so maybe start with *HOW* you attempt to "connect to the network" - and how you determine the failure.
Also read up https://wiki.archlinux.org/index.php/Wi … nual_setup to produce some usable output for various connection steps.

Sidenote: please wrap output in "code" tags, also edit your initial post itr.

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#3 2018-03-27 11:00:59

huohuo
Member
Registered: 2016-04-20
Posts: 28

Re: [SLOVED]could not connect to network

thank very much, i found the problem. files under /var/lib/pacman/local/linux-firmware-20180314.4c0bf11-1 were lost because of the forced shutdown, then there was problem with the driver...

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