linux-kernel - Re: linux-next: Tree for June 13: IO APIC breakage on HP nx6325

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20080618131409.GC11501@elte.hu>
Date:	Wed, 18 Jun 2008 15:14:09 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	"Maciej W. Rozycki" <macro@...ux-mips.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Len Brown <lenb@...nel.org>
Subject: Re: linux-next: Tree for June 13: IO APIC breakage on HP nx6325


* Rafael J. Wysocki <rjw@...k.pl> wrote:

> > Thanks, it eliminates the WARNING, but still the box doesn't work 
> > with the "x86: add C1E aware idle function" patch applied, even with 
> > 'highres=off'.
> > 
> > The main symptom is that CPU loads are computed incorrectly (I got X 
> > using 126% of CPU time from 'top', for example).  Apart from this, 
> > some processes (like gkrellm) seem to be 'frozen' and only change 
> > their state in 'jumps', as though they only got CPU from time to 
> > time at random.
> > 
> > Reverting the above-mentioned patch fixes those problems.
> 
> Ah.  If your fix is replaced with the appended one, the system happily 
> works with C1E and highres.

very nice! I have applied your fix to tip/x86/cpu.

does this resolve all problems on your box, or is the IO-APIC problem 
still open?

	Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/