On Mon, 2015-11-23 at 20:26 +0100, Christoph Anton Mitterer wrote: > Package: src:linux > Version: 4.2.6-1 > Severity: normal > > > Hey. > > This is originall from http://article.gmane.org/gmane.linux.kernel/2090843: > > I bough a USB3.0 ExpressCard from StarTech[0] which is apparently[1] > based on the NEC uPD720200. I have an ExpressCard with the same chip. > Using a kernel 4.2.6 on amd64, the System is Debian sid, the following > happens when I plug the card: [...] > Now the problem is that immediately when I attach the card, a kworker > process starts to utilise the CPU to always around 72%. > And it never stops again until I shutdown; removing the card doesn't > help. I can't reproduce this, running 4.2.6-3. Maybe it depends on the computer you plug it into? > Any ideas? Use 'perf top' to find out what the kworker is actually doing. Send your bug report to the linux-usb@vger.kernel.org list. Ben. -- Ben Hutchings Knowledge is power. France is bacon.
Attachment:
signature.asc
Description: This is a digitally signed message part