Hi!
> Subject: [patch] suspend debugging: simulate suspend-to-RAM
> From: Ingo Molnar <[email protected]>
>
> most resume bugs are due to the kernel hanging or crashing while trying
> to resume a specific device. It is extremely hard to debug such hangs
> because often when the hang happens there's no console available
> yet.
While the functionality is useful, no I do not think this should be
configured by sysctl or kernel parameter.
Perhaps right interface is "echo fake-mem > /sys/power/state"?
Pavel
> Index: linux/kernel/sysctl.c
> ===================================================================
> --- linux.orig/kernel/sysctl.c
> +++ linux/kernel/sysctl.c
> @@ -329,6 +329,14 @@ static ctl_table kern_table[] = {
> .proc_handler = &proc_dointvec,
> },
> {
> + .ctl_name = CTL_UNNUMBERED,
> + .procname = "futex_performance_hack",
> + .data = &futex_performance_hack,
> + .maxlen = sizeof(int),
> + .mode = 0644,
> + .proc_handler = &proc_dointvec,
> + },
> + {
> .ctl_name = KERN_PANIC,
> .procname = "prof_pid",
> .data = &prof_pid,
Leftover hunk?
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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