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SubjectRe: Realtime Preemption, 2.6.12, Beginners Guide?
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On Wed, 2005-07-06 at 15:15, Alistair John Strachan wrote:
> On Wednesday 06 Jul 2005 22:02, Ingo Molnar wrote:
> > * Alistair John Strachan <s0348365@sms.ed.ac.uk> wrote:
> > > This is a completely unrelated question, but now we've got everything
> > > under control.. how do I make "quiet" actually do something on the RT
> > > patchset?
> > >
> > > Currently I flag it on the kernel cmdline, but I still get everything
> > > spewed to my primary VT.
> >
> > do you have CONFIG_PRINTK_IGNORE_LOGLEVEL enabled perhaps?
>
> Good idea, but nope. Find attached the config I'm using, and here's the output
> from /proc/cmdline:
>
> [alistair] 23:07 [~] cat /proc/cmdline
> BOOT_IMAGE=2.6.12rt ro root=301 acpi_sleep=s3_bios lapic quiet
>
> [alistair] 23:07 [~] uname -r
> 2.6.12-RT-V0.7.51-06
>
> What I see are the kernel messages pre-init not suppressed (like I think they
> should be with quiet) and spurious noise from usb, etc. as the system boots
> up. sysklogd starts up but the messages are still duplicated on the console.
>
> Maybe my configuration is subtlely broken. Is anybody else experiencing this?

I see the same thing. "CONFIG_PRINTK_IGNORE_LOGLEVEL is not set" but
still printk ignores the loglevel (I commented out the #ifdef in
kernel/printk.c to make the spurious messages go away).

-- Fernando


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