[gentoo-laptop] kernel panic

[gentoo-laptop] kernel panic

[Gavin Seddon]

hi i cannot mount hd0,0, which i thought was root, i googled and read it
may be on 0,1 how do i verify?
Gavin.

i also get a fd0 error, is this normal?
-- 
Dr Gavin Seddon
Pharmacy and Pharmaceutical Sciences
University of Manchester
Oxford Road
M13 9PL
UK




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[Jörg Vorher]

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Re: [gentoo-laptop] kernel panic

[Neil Isaac]

On 8/15/06, Gavin Seddon <gavin.m.seddon@manchester.ac.uk> wrote:
> hi i cannot mount hd0,0, which i thought was root, i googled and read it
> may be on 0,1 how do i verify?

grub's (hd0,0) == /dev/hda1 or sda1; (hd0,1) == hda2...
you *should* know what you partitioned for what, if you forgot, you
can boot a live cd and check what you wrote in /etc/fstab. the
recommended install from the gentoo handbook is hda1 for /boot - so my
grub configuration looks like this:

title Gentoo
root (hd0,0)
kernel /vmlinuz-2.6.17-gentoo-r4 root=/dev/sda3

replace root=/dev/sda3 with your root file system (maybe something
like /dev/hda2 or whatever)

> Gavin.
>
> i also get a fd0 error, is this normal?

error from what? grub? lilo? at what point?
if you need more help with any of this, you need to provide more info.

> --
> Dr Gavin Seddon
> Pharmacy and Pharmaceutical Sciences
> University of Manchester
> Oxford Road
> M13 9PL
> UK
>
>
>
>
> --
> gentoo-laptop@gentoo.org mailing list
>
>


-- 
Neil Isaac
isaac.neil@gmail.com
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[Jörg Vorher]

----- Original Message -----
From: "Neil Isaac" <isaac.neil@gmail.com>
To: <gentoo-laptop@lists.gentoo.org>
Sent: Tuesday, August 15, 2006 9:06 PM
Subject: Re: [gentoo-laptop] kernel panic


> On 8/15/06, Gavin Seddon <gavin.m.seddon@manchester.ac.uk> wrote:
> > hi i cannot mount hd0,0, which i thought was root, i googled and read it
> > may be on 0,1 how do i verify?
>
> grub's (hd0,0) == /dev/hda1 or sda1; (hd0,1) == hda2...
> you *should* know what you partitioned for what, if you forgot, you
> can boot a live cd and check what you wrote in /etc/fstab. the
> recommended install from the gentoo handbook is hda1 for /boot - so my
> grub configuration looks like this:
>
> title Gentoo
> root (hd0,0)
> kernel /vmlinuz-2.6.17-gentoo-r4 root=/dev/sda3
>
> replace root=/dev/sda3 with your root file system (maybe something
> like /dev/hda2 or whatever)
>
> > Gavin.
> >
> > i also get a fd0 error, is this normal?
>
> error from what? grub? lilo? at what point?
> if you need more help with any of this, you need to provide more info.
>
> > --
> > Dr Gavin Seddon
> > Pharmacy and Pharmaceutical Sciences
> > University of Manchester
> > Oxford Road
> > M13 9PL
> > UK
> >
> >
> >
> >
> > --
> > gentoo-laptop@gentoo.org mailing list
> >
> >
>
>
> --
> Neil Isaac
> isaac.neil@gmail.com
> --
> gentoo-laptop@gentoo.org mailing list
>

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[Jörg Vorher]

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[Neil Isaac]

On 8/15/06, Jörg Vorher <info@vorher.de> wrote:
> unsubscribe
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ok here's how its done: just send a message to
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-- 
Neil Isaac
isaac.neil@gmail.com

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Re: [gentoo-laptop] kernel panic

[Gavin Seddon]

Yes,
I know what partitions made.  However, I have 2 other Gentoo machines
and I always use root to be on hda3.  But I thought (and it has never
caused a prob) hd0,0 was root.  Lesson noted.
Thanks.



On Tue, 2006-08-15 at 19:06 +0000, Neil Isaac wrote:
> On 8/15/06, Gavin Seddon <gavin.m.seddon@manchester.ac.uk> wrote:
> > hi i cannot mount hd0,0, which i thought was root, i googled and read it
> > may be on 0,1 how do i verify?
> 
> grub's (hd0,0) == /dev/hda1 or sda1; (hd0,1) == hda2...
> you *should* know what you partitioned for what, if you forgot, you
> can boot a live cd and check what you wrote in /etc/fstab. the
> recommended install from the gentoo handbook is hda1 for /boot - so my
> grub configuration looks like this:
> 
> title Gentoo
> root (hd0,0)
> kernel /vmlinuz-2.6.17-gentoo-r4 root=/dev/sda3
> 
> replace root=/dev/sda3 with your root file system (maybe something
> like /dev/hda2 or whatever)
> 
> > Gavin.
> >
> > i also get a fd0 error, is this normal?
> 
> error from what? grub? lilo? at what point?
> if you need more help with any of this, you need to provide more info.
> 
> > --
> > Dr Gavin Seddon
> > Pharmacy and Pharmaceutical Sciences
> > University of Manchester
> > Oxford Road
> > M13 9PL
> > UK
> >
> >
> >
> >
> > --
> > gentoo-laptop@gentoo.org mailing list
> >
> >
> 
> 
> -- 
> Neil Isaac
> isaac.neil@gmail.com
-- 
Dr Gavin Seddon
Pharmacy and Pharmaceutical Sciences
University of Manchester
Oxford Road
M13 9PL
UK




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To: gentoo-laptop@lists.gentoo.org
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[Pongracz Istvan]

Hi,

>From my side, accepted :)

Cheers,
IStván

- Fujitsu Amilo Pi1505 -

2008. 08. 6, szerda keltezéssel 07.48-kor Jared Jacobson ezt írta:
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> -----Original Message-----
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> Sent: Tue 05/08/2008 12:40
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> Subject: [gentoo-laptop] unsubscribe
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[gentoo-laptop] mounts options on a laptop

[Stéphane Guedon]

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I have a laptop, it works quite good, but I would like to improve battery 
length.

The fact is that, out of the classical options (kernel custom, KDE battery 
management...), there's no information about disk mount options, whereas it 
eat a lot of power.

my current mount :

rootfs on / type rootfs (rw)
/dev/root on / type ext3 (rw,commit=0)
/dev/shm on /tmp type tmpfs (rw,nosuid,nodev)
/dev/sda7 on /var type reiserfs (rw)
/dev/sda8 on /media/musique type vfat (rw,uid=0,gid=18,umask=007)
/dev/sda2 on /windows type fuseblk (rw,nosuid,nodev,allow_other,blksize=4096)
/dev/sda6 on /home type ext4 (rw,user_xattr,commit=0)

and sda5 as swap.

how to make it better ? (I know reiserfs is not a good idea, but at the moment 
of building the system, it seamed good for little files/DB...)

I have read of mounting part of /var as tmpfs... ?

-- 
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page web : http://www.22decembre.eu/
carte de visite : http://www.22decembre.eu/downloads/Stephane-Guedon.vcf
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Re: [gentoo-laptop] mounts options on a laptop

[Kent Hagebrand]

<snip>
> how to make it better ? (I know reiserfs is not a good idea, but at the moment
> of building the system, it seamed good for little files/DB...)
>
> I have read of mounting part of /var as tmpfs... ?
>
<snip>

Yes, I use tmpfs on /vat/tmp/portage to reduce the disk i/o on my laptop.
Here is the line I use in the /etc/fstab:

none       /var/tmp/portage       tmpfs       nr_inodes=1M,size=2G     0 0

This will allow the directory  /var/tmp/portage to use at most 2GB of
memory (I have 4GB).
It is enough to compile most of the packages in portage.

Re: [gentoo-laptop] mounts options on a laptop

[Stéphane Guedon]

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On Saturday 05 March 2011 12:47:39 Kent Hagebrand wrote:
> Yes, I use tmpfs on /vat/tmp/portage to reduce the disk i/o on my laptop.
> Here is the line I use in the /etc/fstab:
> 
> none       /var/tmp/portage       tmpfs       nr_inodes=1M,size=2G     0 0
> 
> This will allow the directory  /var/tmp/portage to use at most 2GB of
> memory (I have 4GB).
> It is enough to compile most of the packages in portage.

I compile in /tmp which is tmpfs, and I was thinking of /var/run as tmpfs

On Saturday 05 March 2011 12:29:19 Florian Philipp wrote:
> /var as tmpfs is not a good idea. There are lots of persistent files in
> there. If you want to be standard-conformant, you cannot even mount
> /var/tmp as tmpfs because its content is also meant to survive reboots.
> You can still do it though and mounting /tmp as tmpfs is completely okay.
> 
> Your choice of filesystem has little or no effect. You could proably
> argue that JFS needs less CPU resources than for example ReiserFS but
> that really doesn't matter.
> 
> What you really want is app-laptop/laptop-mode-tools.
> 
> Hope this helps,
> Florian Philipp

with reiserfs, the disk is said to run all over the time !

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Re: [gentoo-laptop] mounts options on a laptop

[Pavel Říha]

Stéphane Guedon napsal(a):
> On Saturday 05 March 2011 12:29:19 Florian Philipp wrote:
>> /var as tmpfs is not a good idea. There are lots of persistent files in
>> there. If you want to be standard-conformant, you cannot even mount
>> /var/tmp as tmpfs because its content is also meant to survive reboots.
>> You can still do it though and mounting /tmp as tmpfs is completely okay.
>>
>> Your choice of filesystem has little or no effect. You could proably
>> argue that JFS needs less CPU resources than for example ReiserFS but
>> that really doesn't matter.
>>
>> What you really want is app-laptop/laptop-mode-tools.
>>
>> Hope this helps,
>> Florian Philipp
> 
> with reiserfs, the disk is said to run all over the time !

bullshit. Florian is right.
really doesn't (much) matter witch FS you use.

I'm using only reiserfs and on backup disks I set hdparm -S .. and the disks are 
sleeping whole day

Pavel
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