I can try to bisect, but do you think it makes sense to bisect even though kernel version 2.6.38-11-generic is failing as well? I think that kernel version was installed with Kubuntu 11.04, and I don't remember I ever encountered issues until 12.04.
I can try to bisect, but do you think it makes sense to bisect even though kernel version 2.6.38-11-generic is failing as well? I think that kernel version was installed with Kubuntu 11.04, and I don't remember I ever encountered issues until 12.04.