Messages in this thread | | | Date | Thu, 12 Jul 2007 10:54:28 +0200 | From | Pavel Machek <> | Subject | Re: [PATCH 0/2] Kexec jump: The first step to kexec base hibernation |
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Hi!
> > Looks interesting... but I was feeling strange dejavu reading > > this... and that's because you pasted the changelog twice :-). > > > > Sorry, I should have re-checked the mail before sending out.
Were your patches enough to get hibernation working? I got kexec to work here, so I guess I'm one step closer...
...video does not work in the kexec-ed kernel, unless I boot with vga=1.
> > How fast can kexec boot secondary kernel? > > I measure it on my IBM T42 with CONFIG_PRINTK_TIME=y. The boot-up time > is about 4.35s from kexec is issued to root mounted in kexec kernel.
Not bad...
> > > 2. Compile the kexec-tools with kdump and kjump patches added, the > > > kdump patch can be found at: > > > > > > http://lse.sourceforge.net/kdump/patches/kexec-tools-1.101-dkump10.patch > > > > I got 404 error :-(. > > Sorry, typo problem. The URL should be: > http://lse.sourceforge.net/kdump/patches/kexec-tools-1.101-kdump10.patch
That works, thanks.
> > > 7. In the kexec booted kernel, trigger the jumping back with following > > > shell command. > > > > > > echo <a>:<b> > /sys/power/resume > > > > > > Where <a> and <b> is non-negative integer, at least one of them must > > > be non-zero. > > > > What does a and b mean?
> a and b has no meaning. They are only used to trigger the resume > process. This will be fixed in the future version.
Ok. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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