[Kernel-packages] [Bug 1861338] Re: RPI4 wifi unreliable when usb3 storage is attached

2020-03-15 Thread Zihang Ye
I tried with my external drive, which has a long usb cable, and it worked well. For the other link you've mentioned, I think you could suggest him to put it away from raspberry pi. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-rasp

[Kernel-packages] [Bug 1861338] Re: RPI4 wifi unreliable when usb3 storage is attached

2020-03-15 Thread Zihang Ye
I strongly suspect if there's any.As far as I've seen, all suggestions are physical solutions. I would suggest to put it in the known issue somewhere so that people may be aware of this fact. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to

[Kernel-packages] [Bug 1861338] Re: RPI4 wifi unreliable when usb3 storage is attached

2020-03-15 Thread Zihang Ye
By the way, when I plugged in the usb, the iwconfig commmand suggests that the signal quality dropped from -30dBm to -40dBm, before I lost the connection (my raspberry pi is headless) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-r

[Kernel-packages] [Bug 1861338] Re: RPI4 wifi unreliable when usb3 storage is attached

2020-03-15 Thread Zihang Ye
I'm using Ubuntu 18.04.2 LTS and it seems there's no upgrade I can fetch. I'm at 1.173.16 for linux-firmware, 1.20190819-0ubuntu0.18.04.1 for linux-firmware-raspi2, 5.3.0-1018-raspi2 for kernel. -- You received this bug notification because you are a member of Kernel Packages, which is subscribe

[Kernel-packages] [Bug 1861338] Re: RPI4 wifi unreliable when usb3 storage is attached

2020-03-14 Thread Zihang Ye
I found this on the internet: https://www.intel.com/content/dam/www/public/us/en/documents/white- papers/usb3-frequency-interference-paper.pdf When I pinged my router, I've seen some packets had a greater latency then others, so that could have been an interference. I couldn't test 5GHz as I don'

[Kernel-packages] [Bug 1861338] Re: RPI4 wifi unreliable when usb3 storage is attached

2020-03-14 Thread Zihang Ye
Sorry to reply to an inactive thread, but I've experienced the same issue I really want to solve this issue, so any idea how I can help? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-raspi2 in Ubuntu. https://bugs.launchpad.net/bu