linux-kernel - Re: [Timers SMP] can this machine be helped?

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Message-ID: <Pine.LNX.4.64.0712032242540.7783@axis700.grange>
Date:	Mon, 3 Dec 2007 22:45:06 +0100 (CET)
From:	Guennadi Liakhovetski <g.liakhovetski@....de>
To:	Pavel Machek <pavel@....cz>
cc:	linux-kernel@...r.kernel.org
Subject: Re: [Timers SMP] can this machine be helped?

On Sun, 2 Dec 2007, Pavel Machek wrote:

> > I compiled a .24-ish kernel for it with CONFIG_NO_HZ and 
> > CONFIG_HIGH_RES_TIMERS. To get the system boot at least sometimes I have 
> > to specify nohz=off. Then I get
> 
> Try highres=off, too... Hehe, and even idle=poll might help.

Ok, for now I've compiled a kernel with all "advanced" features off like 
hrt, nohz. Will see how it behaves. But thanks for the hints.

> > Pid: 0, comm: swapper Not tainted (2.6.24-rc2-g8c086340 #3)
> > EIP: 0060:[<c0233d33>] EFLAGS: 00000283 CPU: 0
> > EIP is at acpi_processor_idle+0x2ae/0x477
> > EAX: 00000000 EBX: fffffeab ECX: 00000001 EDX: 00000001
> > ESI: c7c5f2d0 EDI: 00122d9f EBP: c03ddfa8 ESP: c03ddf90
> >  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
> > CR0: 8005003b CR2: 081dcf88 CR3: 07e46000 CR4: 000002d0
> > DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
> > DR6: ffff0ff0 DR7: 00000400
> >  [<c01053fa>] show_trace_log_lvl+0x1a/0x30
> >  [<c0105f42>] show_trace+0x12/0x20
> 
> ...and disable softlockup watchdog, too...

So, you think those BUGs are bogus?

Thanks
Guennadi
---
Guennadi Liakhovetski
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