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#1 2018-09-30 07:51:14

Airon90
Member
From: Canegrate
Registered: 2012-12-11
Posts: 60
Website

Freeze on loading (soft lockup)

Some days ago my laptop froze and I had to turn it off by using the power button.
When I turned it on again, there were some problems so I decided to format my computer and reinstalling Arch Linux again.
Now, I have some problems: when loading it freezes and this message is shown

watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [wpa_supplicant:390]

I cannot do anything but turning it off. I found out that disabling daemons of NetworkManager and dhcpcd, my laptop works. If I try to enable them again, even one by one, it freezes. However, I don't have any internet connection. In order to use internet with my laptop I have to use wifi-menu utility and select the hotspot created with my smartphone. Sometimes the laptop freezes, sometimes no. If I try to connect to home wifi, it always freezes.
Could you help me? I fear my wireless card is broken. This is the result of lspci -v

01:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter
	DeviceName: SANJI
	Subsystem: Hewlett-Packard Company RTL8723BE PCIe Wireless Network Adapter
	Flags: bus master, fast devsel, latency 0, IRQ 37
	I/O ports at 3000 [size=256]
	Memory at f0a00000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: rtl8723be
	Kernel modules: rtl8723be

Thank you very much.

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#2 2018-09-30 13:00:24

tangram
Member
From: 3City, Poland
Registered: 2013-01-21
Posts: 55

Re: Freeze on loading (soft lockup)

Hi Airon90
Maybe it will help a bit:
check how you laptop behaves with cable internet connection only.
If ok, then try again with wifi, restart after it freezes and then
take a look into your logs (from previous boot) with journalctl command.

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#3 2018-09-30 15:40:01

Airon90
Member
From: Canegrate
Registered: 2012-12-11
Posts: 60
Website

Re: Freeze on loading (soft lockup)

I cannot connect with the cable. I followed the wiki but I couldn't succeed.

This is the journalctl from last reboot. I installed connman and tried to start it but after some seconds my laptop froze.

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#4 2018-09-30 19:29:08

tangram
Member
From: 3City, Poland
Registered: 2013-01-21
Posts: 55

Re: Freeze on loading (soft lockup)

Maybe you use wrong wifi device driver ?.
Please look at the logs where the error occurs:

set 30 16:52:34 aironpc kernel: RAS: Correctable Errors collector initialized.
set 30 16:52:38 aironpc kernel: cmi: probe of SMB0001:00 failed with error -5
set 30 16:52:39 aironpc kernel: platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
set 30 16:52:41 aironpc kernel: bluetooth hci0: Direct firmware load for rtl_bt/rtl8723b_config.bin failed with error -2
set 30 16:52:41 aironpc kernel: hp_wmi: query 0xd returned error 0x5
set 30 16:53:27 aironpc kernel: tracker-miner-a[866]: segfault at 20 ip 00007f68f8e8616b sp 00007ffc76dc0ca0 error 4 in libtracker-sparql-2.0.so.0[7f>
set 30 16:53:30 aironpc kernel: tracker-miner-f[857]: segfault at 20 ip 00007f3aca9c516b sp 00007ffcd67cccc0 error 4 in libtracker-sparql-2.0.so.0[7f>
set 30 16:53:33 aironpc kernel: tracker-extract[861]: segfault at 20 ip 00007f46e48bf16b sp 00007ffc4343bd80 error 4 in libtracker-sparql-2.0.so.0[7f>
set 30 16:59:49 aironpc kernel: RAS: Correctable Errors collector initialized.
set 30 16:59:53 aironpc kernel: cmi: probe of SMB0001:00 failed with error -5
set 30 16:59:54 aironpc kernel: platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
set 30 16:59:55 aironpc kernel: bluetooth hci0: Direct firmware load for rtl_bt/rtl8723b_config.bin failed with error -2
set 30 16:59:56 aironpc kernel: hp_wmi: query 0xd returned error 0x5
set 30 17:00:42 aironpc kernel: tracker-miner-a[863]: segfault at 20 ip 00007ff75ee4116b sp 00007ffce273f710 error 4 in libtracker-sparql-2.0.so.0[7f>
set 30 17:00:46 aironpc kernel: tracker-miner-f[852]: segfault at 20 ip 00007f220d5ce16b sp 00007ffdc96bb880 error 4 in libtracker-sparql-2.0.so.0[7f>
set 30 17:00:49 aironpc kernel: tracker-extract[854]: segfault at 20 ip 00007fa9e991f16b sp 00007ffdc326a680 error 4 in libtracker-sparql-2.0.so.0[7f>

Probably hp_wmi is wrong module for your wifi device, blacklist it and try another one, more appropriate for you hardware.
Try lspci -vvv to get more information about your hardware.

For other interested colleagues could you attach your lspci -vvv listing please.

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#5 2018-09-30 20:21:18

Airon90
Member
From: Canegrate
Registered: 2012-12-11
Posts: 60
Website

Re: Freeze on loading (soft lockup)

tangram wrote:

Maybe you use wrong wifi device driver ?.
Please look at the logs where the error occurs:

set 30 16:52:34 aironpc kernel: RAS: Correctable Errors collector initialized.
set 30 16:52:38 aironpc kernel: cmi: probe of SMB0001:00 failed with error -5
set 30 16:52:39 aironpc kernel: platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
set 30 16:52:41 aironpc kernel: bluetooth hci0: Direct firmware load for rtl_bt/rtl8723b_config.bin failed with error -2
set 30 16:52:41 aironpc kernel: hp_wmi: query 0xd returned error 0x5
set 30 16:53:27 aironpc kernel: tracker-miner-a[866]: segfault at 20 ip 00007f68f8e8616b sp 00007ffc76dc0ca0 error 4 in libtracker-sparql-2.0.so.0[7f>
set 30 16:53:30 aironpc kernel: tracker-miner-f[857]: segfault at 20 ip 00007f3aca9c516b sp 00007ffcd67cccc0 error 4 in libtracker-sparql-2.0.so.0[7f>
set 30 16:53:33 aironpc kernel: tracker-extract[861]: segfault at 20 ip 00007f46e48bf16b sp 00007ffc4343bd80 error 4 in libtracker-sparql-2.0.so.0[7f>
set 30 16:59:49 aironpc kernel: RAS: Correctable Errors collector initialized.
set 30 16:59:53 aironpc kernel: cmi: probe of SMB0001:00 failed with error -5
set 30 16:59:54 aironpc kernel: platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
set 30 16:59:55 aironpc kernel: bluetooth hci0: Direct firmware load for rtl_bt/rtl8723b_config.bin failed with error -2
set 30 16:59:56 aironpc kernel: hp_wmi: query 0xd returned error 0x5
set 30 17:00:42 aironpc kernel: tracker-miner-a[863]: segfault at 20 ip 00007ff75ee4116b sp 00007ffce273f710 error 4 in libtracker-sparql-2.0.so.0[7f>
set 30 17:00:46 aironpc kernel: tracker-miner-f[852]: segfault at 20 ip 00007f220d5ce16b sp 00007ffdc96bb880 error 4 in libtracker-sparql-2.0.so.0[7f>
set 30 17:00:49 aironpc kernel: tracker-extract[854]: segfault at 20 ip 00007fa9e991f16b sp 00007ffdc326a680 error 4 in libtracker-sparql-2.0.so.0[7f>

Probably hp_wmi is wrong module for your wifi device, blacklist it and try another one, more appropriate for you hardware.

Never heard of hp_wmi nor changed/added/removed drivers. Anyway, I rmmod'ed hp_wmi and reloaded rtl8723be. It seemed that dhcpcd's daemon worked but I tried NetworkManager's one, although I know that two daemons maybe could create conflicts, and it froze. Here is journalctl

tangram wrote:

Try lspci -vvv to get more information about your hardware.

For other interested colleagues could you attach your lspci -vvv listing please.

Here smile

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#6 2018-10-01 19:40:47

tangram
Member
From: 3City, Poland
Registered: 2013-01-21
Posts: 55

Re: Freeze on loading (soft lockup)

The work week has started and I do not know if I will have time to help you - sorry.
I think in your case it's always the same - pairing the device (wifi) with appropriate device driver.
If your wifi device is ...

01:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter
DeviceName: SANJI
Subsystem: Hewlett-Packard Company RTL8723BE PCIe Wireless Network Adapter

I found this I think useful post:
https://bbs.archlinux.org/viewtopic.php?id=208472

Good luck :-)

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