On Mon, 30 Dec 2013, Vi0L0 wrote: > Motherboard: MSI Z77A-GD65 > BIOS: 10.11 > CPU: intel i7 3770K (ivy) > > GNU/Linux: Arch Linux x86_64 (with systemd) > > Linux: mainline 3.13 rc <= 5, I will test rc6 later today > > > Problem: > Connecting most of the devices to USB 2.0 port is causing instabillity > of the whole system. > > > It's easiest to notice when connecting mouse and starting DM/X. > Keyborad seems to work fine so I'm able to login to tty and do > anything there, but whenever I start DM/X and trying to move mouse' > cursour the X freeze. Establishing the new ssh connection then is > impossible (so there's possibility of kernel panic in the background, > after getting back home I will recompile kernel with some tracers to > be sure). Fortunatelly ssh session established before DM/X start is > alive so I can trace whatever you need, still it's impossible to kill > X process and perform system' reboot. > > I've tested 2 mouses with same results: A4tech X750 and Razor DeathAdder > Also checked out 2 different DMs: KDM and GDM. > > Connecting mouse to USB 3.0 port is solving the mouse' problem, but > then other devices connected to USB 2.0 ports are causing problems - > ie. using Logitech webcam for some short time is making KDE 4.12.0 > freeze. > > There were no such problems with kernels < 3.13, fresh 3.12.6 works > perfectly fine. > > I'm sending some basic informations (with my kernel config) in the > attachments, if you need more just let me know. > > There are some warns/errors related to fglrx but feel free to skip it, > i've tested oss radeon and get same results. In fact, none of the error messages in the log seem to be related to USB. Since you know that the 3.12 kernel works okay, maybe you can use "git bisect" to find the change that introduced this problem. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
