On Fri, Dec 03, 2010 at 06:11:48PM +0100, Stanislaw Gruszka wrote: > On Fri, Dec 03, 2010 at 06:46:09PM +0300, Maxim Uvarov wrote: > > 2010/12/3 Stanislaw Gruszka <sgruszka at redhat.com>: > > > On my T-60 laptop, i686 system with 2.6.37-rc4 kernel, > > > "echo c > /proc/sysrq-trigger" just hung the system. Kdump > > > works on 2.6.36. Is this known issue? If not, what info > > > I should provide to solve it (I think the easiest way > > > to solve the problem would be bisect) ? > > > > > > Stanislaw > > > > > > > I tested x86 QEMU yesterday with the latest git. It worked. > > Might be something target specific.., What does console print? > > Here is the photo > http://people.redhat.com/sgruszka/20101203_005.jpg > > There are two BUGs, first "sleeping function called from invalid > context" and then "unable to handle null pointer dereference". > The warning about sleeping is an artifact of the fact that we panic the box with irqs disabled I think (although I would think the fault handler would have re-enabled them properly). Not sure what the NULL pointer is from Neil > Stanislaw > > _______________________________________________ > kexec mailing list > kexec at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/kexec