On Tue, May 04, 2010 at 10:27:23PM +0200, David DEMELIER wrote: > 2010/5/4 Kostik Belousov <[email protected]>: > > On Tue, May 04, 2010 at 06:35:52PM +0200, David DEMELIER wrote: > >> Good news ! It worked, check the picture here : > >> > >> http://img63.imageshack.us/img63/4244/dsc00361g.jpg > > > > Please try adding code fragment like this: > > if (cx_next->p_lvlx == NULL) > > printf("Going to panic.\n"); > > to dev/acpi/acpi_cpu.c:acpi_cpu_idle() function, right before > > CPU_GET_REG(cx_next->p_lvlx, 1); > > line and see if it prints the message immediately before the panic. > > > > Yes it does at the beginning of the kernel panic.
Ok, so the point of panic is found, it is NULL cx_next->p_lvlx resource. With the data in hand, I recommend you to ask on acpi@ (added a Cc:) about the cause and possible solution.
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