Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.13 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.13-rc2 ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- 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/1706290 Title: Marvell 88W8897 wifi throughput Status in linux package in Ubuntu: Incomplete Bug description: recently when we use the chip 88w8897 ,we found that there were some probles abuot the wifi,the topo is as follows: 88w8897))))))))wirelessrouter))))))))88w8897 we have two devices which use the chip,when we test the throughput between the two devices, we found some probles: 1.the throughput of upload is much lower than the download,at the idel environment,the upload throughput is about 200Mbps but the download throughput is 350Mbps. 2.when we restart the device and test the throughput between the two devices,the upload throughput is very low at the first time,then it gos up to the normal value slowly,sometimes it can't, the value is between 1mbps to 10mbps. so i want to know how can i fix the two probles,can you help me. our platform is linux(arm64) ,kernel is 4.4.16 ,the motherboard is rk3399 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1706290/+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