Gentoo Archives: gentoo-user

From: Martins <mar@××.lv>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] 2.6.13 is 10x slower than 2.6.12!
Date: Wed, 28 Sep 2005 13:24:32
Message-Id: 6.1.2.0.2.20050928161059.01ce68e8@pop.ml.lv
In Reply to: [gentoo-user] 2.6.13 is 10x slower than 2.6.12! by Iain Buchanan
1 some time ago i had issue like yours that was caused by broken fonts
2 configuration
3
4 try this:
5
6 boot without X
7 launch top
8 see anything taking resources
9 launch X
10 see anything taking resources
11
12 look in logs
13
14
15
16
17 m
18
19 At 05:41 2005.09.27., you wrote:
20 >I just compiled 2.6.13-gentoo-r2 with mostly the same options as
21 >2.6.12-gentoo-r7 (my reference point). The first time I booted, it took
22 >about 10-15 minutes on my 3GHz P4 laptop! I watched the gdm background
23 >slowly display over about 30 seconds.
24 >
25 >I thought it might have something to do with the new default timer
26 >frequency, which I set to 250Hz instead of 1000Hz (which is the default
27 >for pre 2.6.13 kernels). According to various online sites, 250Hz
28 >should still be just as usable, and may even use less power, increasing
29 >my battery performance...
30 >
31 >So I changed the timer frequency back to 1000Hz, recompiled and now it
32 >seems a little faster, but no where near 2.6.12. It now boots in maybe
33 >5 minutes, and the gdm theme takes about 5s to display.
34 >
35 >glxgears (not maximised) gives me about 30 fps with a radeon 9700!
36 >
37 >I checked the frequency governor, and the default is still
38 >'performance'. /proc/acpi/processor/CPU0/throttling shows the maximum
39 >frequency is active as per normal.
40 >
41 >Other kernel options I changed are:
42 >- support for software suspend added (could this be it? I definitely saw
43 >the message that no valid suspend was found in my swapfile,
44 >and /proc/swaps shows that I have swap enabled as per usual)
45 >- removed unnecessary SCSI drivers (I don't have anything SCSI)
46 >- removed SATA support (I definitely don't have SATA)
47 >
48 >Info:
49 >Dell Ispiron 9100, 3 GHz HT Pentium 4
50 >2.6.12 and 2.6.13: SMP support for 2 processors included
51 >
52 >I've seen 1 post online about the same thing - slow running 2.6.13, so
53 >surely there must be some people in the world running it ok! Any help
54 >on this would be appreciated.
55 >
56 >TIA,
57 >
58 >--
59 >Iain Buchanan <iaindb@××××××××××××.au>
60 >
61 >--
62 >gentoo-user@g.o mailing list
63
64 --
65 gentoo-user@g.o mailing list

Replies

Subject Author
Re: [gentoo-user] 2.6.13 is 10x slower than 2.6.12! Iain Buchanan <iaindb@××××××××××××.au>