From: Pavel Machek <pavel@ucw.cz>
To: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [Timers SMP] can this machine be helped?
Date: Sun, 2 Dec 2007 18:30:48 +0000 [thread overview]
Message-ID: <20071202183048.GC4721@ucw.cz> (raw)
In-Reply-To: <Pine.LNX.4.64.0711292144260.6673@axis700.grange>
Hi!
> I've got an old 2xP-II @ 400MHz Compaq AP400 system, which I'm still
> using. It has many peculiarities, so, I wouldn't be surprised if the
> answer to my questions would be "sorry, the patient is rather dead than
> alive".
>
> Some of the problems lie in ACPI area, I tried some time ago to fix the
> ACPI tables for these machine, but never got enough time for that. So I'm
> still booting with acpi=noirq
>
> Another problem is its battery is dead and it's hard soldered to the
> mainboard (Compaq)...
>
> It might also have some problems with one of its 3 SCSI busses.
>
> 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.
> 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...
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2007-12-02 19:00 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-29 21:00 [Timers SMP] can this machine be helped? Guennadi Liakhovetski
2007-12-02 18:30 ` Pavel Machek [this message]
2007-12-03 21:45 ` Guennadi Liakhovetski
2007-12-03 21:47 ` Pavel Machek
2007-12-03 21:56 ` Guennadi Liakhovetski
[not found] <fa./nzsMVb44+6c2x42WGfe04SPDrY@ifi.uio.no>
2007-12-05 2:19 ` Robert Hancock
2007-12-05 6:47 ` Guennadi Liakhovetski
2007-12-05 14:34 ` Robert Hancock
2007-12-05 15:05 ` Guennadi Liakhovetski
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20071202183048.GC4721@ucw.cz \
--to=pavel@ucw.cz \
--cc=g.liakhovetski@gmx.de \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.