From: Andrew McGregor <andrew@indranet.co.nz>
To: Andrew Morton <akpm@digeo.com>, Roe Peterson <roe@petcom.com>,
linux-laptop@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: dell precision m50 _very_ slow paging/swapping
Date: Mon, 13 Jan 2003 00:09:15 +1300 [thread overview]
Message-ID: <19480000.1042369755@localhost.localdomain> (raw)
In-Reply-To: <200301111012.55150.akpm@digeo.com>
Have you tried hdparm to see if the disk is in a stupid mode and needs
something (DMA most likely) switched on to perform? Dell BIOSes often get
this wrong. idebus=66 on the kernel command line is appropriate too.
Andrew
--On Saturday, January 11, 2003 10:12:55 -0800 Andrew Morton
<akpm@digeo.com> wrote:
> On Sat January 11 2003 07:37, Roe Peterson wrote:
>>
>> Although Dell doesn't consider the precision M50 a laptop (it's a
>> "portable workstation"), this list
>> looks like a good place to start :-)
>>
>> I'm having a big problem with a brand-new M50. The symptoms persist
>> whether I try Redhat 7.3
>> or 8.0.
>>
>> Generally, everything is fine, right up to the time the machine starts
>> paging out to disk. Then, the
>> system essentially grinds to a halt.
>>
>
> You'd need to determine whether the CPU is busy or idle when this is
> happening.
>
> If it's busy, profile the kernel:
>
> - boot with "profile=1" on the kernel command line
>
> -
> readprofile -r
> <do something>
> readprofile -v -m /boot/System.map | sort -n +2 | tail -40
>
> It it's not busy, then:
>
> while true
> do
> ps axl | grep ' D '
> sleep 1
> done &
> <do something>
>
>
>
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
>
>
next prev parent reply other threads:[~2003-01-12 11:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-11 15:37 dell precision m50 _very_ slow paging/swapping Roe Peterson
2003-01-11 18:12 ` Andrew Morton
2003-01-12 11:09 ` Andrew McGregor [this message]
2003-01-11 19:15 ` Joel Jaeggli
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=19480000.1042369755@localhost.localdomain \
--to=andrew@indranet.co.nz \
--cc=akpm@digeo.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-laptop@vger.kernel.org \
--cc=roe@petcom.com \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).