Messages in this thread | | | Date | Mon, 1 Jun 2009 20:19:51 -0400 | From | Chuck Ebbert <> | Subject | Re: Kernel locks up when idle on VIA-nano U2300 with VIA VX800 on Jetway JNF76-N1GL-LF mainboard |
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On Sun, 26 Apr 2009 19:06:02 +0200 Martin Mueller <mm@sig21.net> wrote:
> Hi Jeffrey, > > On Sun, Apr 26, 2009 at 12:25:51PM +0000, Jeffrey Cao wrote: > > On 2009-04-26, Martin Mueller <mm@sig21.net> wrote: > > > > Next, I downloaded linux-2.6.30-rc3, compiled a minimal version with > > > just initrd. I left out PCI-support, ACPI and almost everything else > > > menuconfig allowed me to unselect except the VGA text console. This > > > kernel locked up after giving me the initial prompt from busybox in > > > the initrd. > > > > > > When adding the following lines in the script executed by the kernel > > > after booting in the initrd, the system actually works: > > > > > > while true; do true; done & > > > /bin/sh > > > > > > As soon as I kill the shell loop, the system freezes again. > > > > > > So my conclusion is: the kernel locks up the first time the CPU > > > is idle. > > > This seems something to do with the board and the hard disk drive. > > Thanks for your suggestion, but it has nothing to do with the hardisk. > As I wrote above, the problem is reproducible with only an initrd, vga > text console, keyboard and no other driver loaded or compiled in. > > The kernel freezes as soon as it get's idle the first time. >
Adding idle=halt to the boot options works. idle=nomwait should work too but it doesn't.
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