From: Ethan Weinstein <lists@stinkfoot.org>
To: linux-kernel@vger.kernel.org
Cc: William Lee Irwin III <wli@holomorphy.com>
Subject: Re: HT apparently not detected properly on 2.4.23
Date: Wed, 03 Dec 2003 19:18:03 -0500 [thread overview]
Message-ID: <3FCE7D3B.5040206@stinkfoot.org> (raw)
In-Reply-To: <20031203235837.GW8039@holomorphy.com>
William Lee Irwin III wrote:
>
> On Wed, Dec 03, 2003 at 06:41:36PM -0500, Ethan Weinstein wrote:
>
>>But we're still only interrupting on CPU0 with this kernel.
>
>
> That's P-IV retardation. Not really fixable, but irqbalance daemons
> etc. can help mitigate the severity of the erratum. I'm not sure if
> 2.4 has the interfaces for the userspace solutions to work or the
> kernel solutions either.
>
I somehow suspected that, and appreciate the clarification. I'll see if
I can't get that patch I found to apply to 2.4.23, it seems to solve
this a bit more elegantly than the irqbalance program.
CPU0 CPU1 CPU2 CPU3
0: 67962 69066 68010 68954 IO-APIC-edge timer
1: 1 0 0 1 IO-APIC-edge keyboard
2: 0 0 0 0 XT-PIC cascade
3: 10027 10944 9904 11063 IO-APIC-edge serial
8: 2 0 0 0 IO-APIC-edge rtc
16: 9 7 7 18 IO-APIC-level sym53c8xx
22: 6842 7336 7166 7429 IO-APIC-level eth0
48: 6429 6370 6202 6268 IO-APIC-level aic79xx
49: 1939 2018 2067 1949 IO-APIC-level aic79xx
54: 340 345 340 352 IO-APIC-level eth1
NMI: 0 0 0 0
LOC: 273824 273846 273844 273845
ERR: 0
MIS: 0
-Ethan
next prev parent reply other threads:[~2003-12-04 0:18 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-03 18:46 HT apparently not detected properly on 2.4.23 Ethan Weinstein
2003-12-03 19:40 ` Andre Tomt
2003-12-03 19:56 ` Mike Fedyk
2003-12-03 20:30 ` Ethan Weinstein
2003-12-03 22:40 ` William Lee Irwin III
2003-12-03 23:41 ` Ethan Weinstein
2003-12-03 23:58 ` William Lee Irwin III
2003-12-04 0:18 ` Ethan Weinstein [this message]
2003-12-05 17:12 ` Marcelo Tosatti
2003-12-05 17:48 ` William Lee Irwin III
2003-12-05 18:07 ` Re[2]: " Russell "Elik" Rademacher
[not found] ` <3FD0CD65.5080307@stinkfoot.org>
2003-12-05 23:02 ` Russell "Elik" Rademacher
2003-12-05 23:28 ` Ethan Weinstein
2003-12-05 23:31 ` Re[2]: " Russell "Elik" Rademacher
2003-12-05 23:38 ` William Lee Irwin III
2003-12-04 0:46 ` William Lee Irwin III
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