Yes, it is! After reverting this commit (i used debian 5.2 kernel sources + patched rt2800lib.ko mod) i see my home 5Ghz network with -45dBm tnx for quick help чт, 29 авг. 2019 г. в 13:03, Stanislaw Gruszka <sgruszka@xxxxxxxxxx>: > > On Thu, Aug 29, 2019 at 12:42:44PM +0300, Sergey Maranchuk wrote: > > I got some problem after upgrade kernel to 5.2 version (debian testing > > linux-image-5.2.0-2-amd64). 5Ghz client stopped to see AP. > > Some tests with 1metre distance between client-AP: 2.4Ghz -22dBm, for > > 5Ghz - 53dBm !, for longer distance (8m + walls) 2.4 - 61dBm, 5Ghz not > > visible. > > All works fine with kernel 4.19 and on windows 10, other devices also > > see AP without any problems with same distance. > > After looking on the changlog most possible cause of it seems to be > commit 9ad3b55654455258a9463384edb40077439d879f: > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9ad3b55654455258a9463384edb40077439d879f > > Please try to revert it, and see if that improve rx signal level. > > It that would not help, please try to narrow regression to two > consecutive kernel versions - it is: 4.19 -> 5.0 or 5.0 -> 5.1 > or 5.1 -> 5.2 ? > > Stanislaw