Using 2.6 kernel still unusably slow
David Cary Hart
Fedora at TQMcube.com
Tue Jan 25 19:55:22 UTC 2005
On Tue, 2005-01-25 at 14:35 -0500, Christopher Calzonetti wrote:
> Okay. So, I built me a kernel. I used the default options supplied by
> "make menuconfig" save for I selected a Pentium 4 processor. The "make
> bzimage modules" part of which took me three hours. :( At least I
> assume so. I went home and checked the timestamp on the last file it
> mentioned when I came back this morning.
>
make menuconfig
make all
make modules_install
make install
My GUESS is that the IDE looks weird with 0 latency and no I/O ports
assigned. Do you have an IDE RAID?
Anyone else?
> Hopefully I didn't miss anything:
> I did a make modules_install, which created a /lib/modules/2.6.10
> directory,
> copied System.map to /boot/System.map-2.6.10,
> ran mkinitrd /boot/initrd-2.6.10.img 2.6.10,
> copied arch/i386/boot/bzimage to /boot/bzimage-2.6.10
> edited grub.conf to add the following entry:
>
> title Self built 2.6.10
> root (hd0,0)
> kernel /bzimage-2.6.10 ro root=LABEL=/
> initrd /initrd-2.6.10.img
>
> Anyway, boot time was at best, marginally better. Which I suppose is
> information, though I don't know what to make of it. :(
>
> I don't have any unusual hardware that I'm aware of, but I've included
> the output from lspci -v, posted below.
>
> Thanks.
>
> 00:00.0 Host bridge: Intel Corp. 82865G/PE/P DRAM Controller/Host-Hub
> Interface (rev 02)
> Subsystem: ASUSTeK Computer Inc.: Unknown device 80a5
> Flags: bus master, fast devsel, latency 0
> Memory at fe800000 (32-bit, prefetchable) [size=4M]
> Capabilities: [e4] Vendor Specific Information
>
> 00:02.0 VGA compatible controller: Intel Corp. 82865G Integrated
> Graphics Device (rev 02) (prog-if 00 [VGA])
> Subsystem: ASUSTeK Computer Inc.: Unknown device 80a5
> Flags: bus master, fast devsel, latency 0, IRQ 201
> Memory at f0000000 (32-bit, prefetchable) [size=128M]
> Memory at fe780000 (32-bit, non-prefetchable) [size=512K]
> I/O ports at efe0 [size=8]
> Capabilities: [d0] Power Management version 1
>
> 00:1d.0 USB Controller: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB UHCI
> Controller #1 (rev 02) (prog-if 00 [UHCI])
> Subsystem: ASUSTeK Computer Inc. P4P800 Mainboard
> Flags: bus master, medium devsel, latency 0, IRQ 201
> I/O ports at ef00 [size=32]
>
> 00:1d.1 USB Controller: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB UHCI
> Controller #2 (rev 02) (prog-if 00 [UHCI])
> Subsystem: ASUSTeK Computer Inc. P4P800 Mainboard
> Flags: bus master, medium devsel, latency 0, IRQ 209
> I/O ports at ef20 [size=32]
>
> 00:1d.2 USB Controller: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB UHCI #3
> (rev 02) (prog-if 00 [UHCI])
> Subsystem: ASUSTeK Computer Inc. P4P800 Mainboard
> Flags: bus master, medium devsel, latency 0, IRQ 169
> I/O ports at ef40 [size=32]
>
> 00:1d.3 USB Controller: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB UHCI
> Controller #4 (rev 02) (prog-if 00 [UHCI])
> Subsystem: ASUSTeK Computer Inc. P4P800 Mainboard
> Flags: bus master, medium devsel, latency 0, IRQ 201
> I/O ports at ef80 [size=32]
>
> 00:1d.7 USB Controller: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB2 EHCI
> Controller (rev 02) (prog-if 20 [EHCI])
> Subsystem: ASUSTeK Computer Inc. P4P800 Mainboard
> Flags: bus master, medium devsel, latency 0, IRQ 193
> Memory at fe77bc00 (32-bit, non-prefetchable) [size=1K]
> Capabilities: [50] Power Management version 2
> Capabilities: [58] Debug port
>
> 00:1e.0 PCI bridge: Intel Corp. 82801 PCI Bridge (rev c2) (prog-if 00
> [Normal decode])
> Flags: bus master, fast devsel, latency 0
> Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
> I/O behind bridge: 0000d000-0000dfff
> Memory behind bridge: fe500000-fe5fffff
>
> 00:1f.0 ISA bridge: Intel Corp. 82801EB/ER (ICH5/ICH5R) LPC Interface
> Bridge (rev 02)
> Flags: bus master, medium devsel, latency 0
>
> 00:1f.1 IDE interface: Intel Corp. 82801EB/ER (ICH5/ICH5R) IDE
> Controller (rev 02) (prog-if 8a [Master SecP PriP])
> Subsystem: ASUSTeK Computer Inc. P4P800 Mainboard
> Flags: bus master, medium devsel, latency 0, IRQ 169
> I/O ports at <unassigned>
> I/O ports at <unassigned>
> I/O ports at <unassigned>
> I/O ports at <unassigned>
> I/O ports at fc00 [size=16]
> Memory at 3f800000 (32-bit, non-prefetchable) [size=1K]
>
> 00:1f.3 SMBus: Intel Corp. 82801EB/ER (ICH5/ICH5R) SMBus Controller (rev 02)
> Subsystem: ASUSTeK Computer Inc. P4P800 Mainboard
> Flags: medium devsel, IRQ 5
> I/O ports at 0400 [size=32]
>
> 00:1f.5 Multimedia audio controller: Intel Corp. 82801EB/ER (ICH5/ICH5R)
> AC'97 Audio Controller (rev 02)
> Subsystem: ASUSTeK Computer Inc.: Unknown device 80b0
> Flags: bus master, medium devsel, latency 0, IRQ 185
> I/O ports at e800 [size=256]
> I/O ports at ee80 [size=64]
> Memory at fe77b800 (32-bit, non-prefetchable) [size=512]
> Memory at fe77b400 (32-bit, non-prefetchable) [size=256]
> Capabilities: [50] Power Management version 2
>
> 01:08.0 Ethernet controller: Intel Corp. 82562EZ 10/100 Ethernet
> Controller (rev 02)
> Subsystem: ASUSTeK Computer Inc.: Unknown device 80f8
> Flags: bus master, medium devsel, latency 64, IRQ 177
> Memory at fe5ff000 (32-bit, non-prefetchable) [size=4K]
> I/O ports at df00 [size=64]
> Capabilities: [dc] Power Management version 2
>
>
>
> David Cary Hart wrote:
> > On Mon, 2005-01-24 at 15:47 -0500, Christopher Calzonetti wrote:
> >
> > You haven't indicated how or why you have determined that it's a kernel
> > issue.
> >
> > If you think that's the case, the first thing that I would do is to
> > custom compile a vanilla kernel 2.6.10 from kernel.org. If you are
> > unfamiliar with the process, it's really much simpler than it sounds.
> >
> > On your machine, the process (including setup) should be less than 30
> > minutes.
> >
> > Do you have any unusual hardware?
> >
> > Have you previously posted a lspci -v?
> >
> >
> > ________________________________________________________________________
> > Total Quality Management - A Commitment to Excellence
> > http://www.TQMcube.com
> >
>
> --
> Christopher Calzonetti, MFCF C&O Software Specialist
> mailto:ccalzone at math.uwaterloo,ca phone:+1 519 885-1211 x7516
________________________________________________________________________
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