Hi, We (Fedora) have been getting bugreports that brcmfmac wifi drops out and needs a rmmod + modprobe to restore functionality starting with kernel 4.19: https://bugzilla.redhat.com/show_bug.cgi?id=1658178 Disabling powersaving reportedly helps, but leads to an oops (which might be a hint?) : https://bugzilla.redhat.com/show_bug.cgi?id=1661768 Regards Hans