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Subject[bug kernel 2.6 / USB / SCSI] report
Date
Here is my bug report :

a) data of my system

Linux azun.home.fr 2.6.3-4mdk #1 Tue Mar 2 07:26:13 CET 2004 i686 unknown
unknown GNU/Linux

Gnu C 3.3.2
Gnu make 3.80
util-linux 2.12
mount 2.12
module-init-tools 3.0
e2fsprogs 1.34
quota-tools 3.09.
PPP 2.4.1
nfs-utils 1.0.6
Linux C Library 2.3.3
Dynamic linker (ldd) 2.3.3
Procps 3.1.15
Net-tools 1.60
Console-tools 0.2.3
Sh-utils 5.1.2
Modules Loaded sg autofs4 tdfx lp md5 ipv6 snd-seq-midi
snd-emu10k1-synth snd-emux-synth snd-seq-virmidi snd-seq-midi-emul
snd-seq-oss snd-seq-midi-event snd-seq snd-pcm-oss snd-mixer-oss snd-emu10k1
snd-rawmidi snd-pcm snd-timer snd-seq-device snd-ac97-codec snd-page-alloc
snd-util-mem snd-hwdep snd soundcore ppp_synctty ppp_async ppp_generic slhc
af_packet hid sr_mod raw ide-floppy ide-tape ide-cd cdrom floppy 8139too mii
supermount via-agp agpgart ppa parport_pc imm parport usblp ehci-hcd uhci-hcd
usbcore rtc ext3 jbd sd_mod dc395x scsi_mod

Other :
distribution : MDK 10.0 Community kernel 2.6.3-4mdk
Motherboard : MSI K7T Turbo 2 with CPU AMD Duron 1 GHz

b) problems :
2.4.x works fine.
2.6.x is much faster but shows some problems with USB and SCSI drives.

USB :

- the only way to get my USB printer recognized is to use the following
modules (from lsmod) :
usblp 12256 0
ehci-hcd 24196 0
uhci-hcd 29104 0
usbcore 99132 6 hid,usblp,ehci-hcd,uhci-hcd

and set the following "append" option in lilo :
append="devfs=mount noapic resume=/dev/hda5"
what is relevant here is obviously the "noapic" option ("apic=ht" works fine
for kernel 2.4.x)

- ohci does not work !

SCSI / CD drives :

- following some recommandations I removed the SCSI IDE mulation from both
"lilo.conf" and "modules.conf" files.

- both K3b and XCDroast cannot locate my SCSI CD drives : K3b gets stuck from
the very beginning when searching CD devices and XCDroast finds my IDE drive
but then gets stuck also.

- GCombust works fine

I am willing to answer your questions to pursue diagnosing the various
problems.
Regards.
--
Daniel Moyne (Nulix)----------------------------------------------------------
Software : Mandrake 10.0 Community \\|// kernel "2.6.3-4mdk"
KDE 3.2 / --- \
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