On Thu, Jul 25, 2019 at 3:30 AM Enrico Weigelt, metux IT consult <lkml@xxxxxxxxx> wrote: > > On 24.07.19 16:17, Gilberto Nunes wrote: > > Hi, > > crossposting to dri-devel, as it smells like a problem w/ amdgpu driver. > > > CPU - AMD A12-9720P RADEON R7, 12 COMPUTE CORES 4C+8G > > GPU - Wani [Radeon R5/R6/R7 Graphics] (amdgpu) > > Network Interface card: > > 01:00.1 Ethernet controller: Realtek Semiconductor Co., Ltd. > > RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 12) > > > > When I install kernel 4.18.x or 5.x, the network doesn't work anymore... > > What about other versions (eg. v4.19) ? > Which is the last working version ? > > > I can loaded the modulo r8169 andr8168. > > I saw enp1s0f1 as well but there's no link at all! > > Even when I fixed the IP none link! > > I cannot ping the network gateway or any other IP inside LAN! > > Right now, I booted my laptop with kernel > > Linux version 5.2.2-050202-generic (kernel@kathleen) (gcc version > > 9.1.0 (Ubuntu 9.1.0-9ubuntu2)) #201907231250 SMP Tue Jul 23 12:53:21 > > UTC 2019 > > Could you also try 5.3 ? > > > The system boot slowly, and I have a SSD Samsung, which in kernel > > 4.15, boot quickly. > > And there's many errors in dmesg command, like you can see in this pastbin > > > > https://paste.ubuntu.com/p/YhbjnzYYYh/ > > looks like something's wrong w/ reading gpu registers (more precisely > waiting for some changing), that's causing the soft lockup. (maybe too > big timeout ?) It looks like the dGPU fails to power up properly when you attempt to use it. You can append amdgpu.runpm=0 to the kernel command line in grub to disable dynamically powering down the dGPU. Alex > > > Oh! By the way, the network card r8169 are work wonderful! > > Didn't you say (above) that it does not work ? > Or is it just an immediate fail and later comes back ? > > > --mtx > > > -- > Enrico Weigelt, metux IT consult > Free software and Linux embedded engineering > info@xxxxxxxxx -- +49-151-27565287 > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel