Hi AceLan, Thanks for your efforts. Here is the result of the running the command `lspci`:
$ lspci 00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 1422 00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Kaveri [Radeon R7 200 Series] 00:01.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Device 1308 00:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 1424 00:03.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 1424 00:03.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Device 1426 00:04.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 1424 00:10.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB XHCI Controller (rev 09) 00:10.1 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB XHCI Controller (rev 09) 00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] (rev 40) 00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 11) 00:12.2 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 11) 00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 11) 00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 11) 00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 16) 00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD] FCH Azalia Controller (rev 01) 00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 11) 00:14.4 PCI bridge: Advanced Micro Devices, Inc. [AMD] FCH PCI Bridge (rev 40) 00:14.5 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 11) 00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 141a 00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 141b 00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 141c 00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 141d 00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 141e 00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 141f 01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 0c) I would be happy to help you troubleshoot the problem. Let me know whatever info you require. Regards, -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1488426 Title: High CPU usage of kworker/ksoftirqd Status in HWE Next: New Status in linux package in Ubuntu: In Progress Bug description: kworker consuming 71.5% cpu resource ksoftirqd consuming 28.9% cpu resource It leads to power consumption issue and sometimes leads to BT does not work. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1488426/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp