Bug#250360: marked as done (Discover & hotplug issues)
Your message dated Sat, 16 Oct 2004 23:52:59 +0200
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and subject line Bug#250360: about your Debian installation report
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From: Frans Pop <aragorn@tiscali.nl>
To: submit@bugs.debian.org
Subject: Discover & hotplug issues
Date: Sat, 22 May 2004 14:55:19 +0200
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Package: installation-reports
Version: 20040513
INSTALL REPORT
Debian-installer-version: Netinst 100MB CD, build 20040513
Date: May 22, 2004
Method: Boot off CD, DEBCONF_PRIORITY=medium, both 2.4 and 2.6 installs
Machine: Toshiba Satellite A40
Processor: Mobile Intel Pentium 4, 2.80 GHz
Memory: 512 MB
Root Device: Hitachi Travelstar 80GN (60GB IDE)
Output of lspci and lspci -n:
http://home.tiscali.nl/isildur/toshiba/lspci.html
(has full lspci and discover info obtained under 2.5.6 kernel)
Base System Installation Checklist:
[O] = OK, [E] = Error (please elaborate below), [ ] = didn't try it
Initial boot worked: [O]
Configure network HW: [O]
Config network: [O]
Detect CD: [O]
Load installer modules: [O]
Detect hard drives: [O]
Partition hard drives: [O]
Create file systems: [O]
Mount partitions: [O]
Install base system: [O]
Install boot loader: [O]
Reboot: [O]
Comments/Problems:
General report
==============
I've bought me a new laptop, amongst others to demo Debian and to test d-i :-)
I've tried both 2.4 and 2.6 installations (with matching kernels selected for
base system installation). Both work, but it seems I'll stick to 2.6.5
machine because it supports the hardware somewhat better.
Installation went very well, I've X and KDE running with touchpad and sound
working. ACPI and basic powermanagement are also working, but the system does
not yet come up from 'standby'.
Discover issues
===============
- Discover apparently lists i810_rng for 8086:2448, but when I modprobe
the module I get "RNG not detected"; so this should be removed.
- Discover should list ehci-hcd for 8086:24cd.
- Why does discover not list my modem (8086:24c6)?
Also, if d-i is going to fully support 2.6 kernels, I think discover should
distinguish between 2.4 modules en 2.6 modules.
In some cases they are different. Examples:
- 2.4 has usb-uhci, but 2.6 has uhci_hcd
- 2.4 has ehci-hcd, but 2.6 has ehci_hcd (hyphen/underscore)
- 2.4 has i810_rng, but in 2.6 this is in hw_random
- 2.4 has OSS modules for soundcards, but for 2.6 ALSA is preferred
Because of these differences, with the 2.6.5 kernel some of my hardware is not
initialized by discover, but luckily hotplug does the job shortly afterwards.
There seems to be a lot of overlap between the two for 2.6.5.
(With the 2.6.5 kernel for my soundcard both OSS modules (by discover) _and_
ALSA modules (by hotplug) are loaded automatically; seems like overkill ;-)
Hotplug issues with 2.4.26 kernel
=================================
With the 2.4.26 kernel I get:
<snip>
Starting hotpug subsystem:
input
[failed] net
pci
** can't synthesize pci hotplug events
[failed] usb
** can't synthesize root hub events
done
</snip>
And nothing is actually done.
Hotplug issues with 2.6.5 kernel
=================================
With the 2.6.5 kernel, a lot of hardware is recognized, and only usb fails
with "** can't synthesize root hub events".
A full log from the console for the hotplug stage is available at:
http://home.tiscali.nl/isildur/toshiba/hotplug_log.html
There are several probes that are not valid for my system. I'm not sure if
hotplug has a 'try everything and see what fails' policy or that it should
specifically target the hardware.
- intel-mch-agp is not the correct module for my system but loads anyway
(with preceding error 'Unsupported Intel chipset (device id: 3580) ??? )
- modules pciehp and shpchp fail with errors
- hw_random fails with error "RNG not detected"
The end result with the 2.6.5 kernel is OK, as hotplug _does_ initialize all
hardware that is present correctly (even the stuff that is not handled
correctly by discover).
---------------------------------------
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From: Frans Pop <aragorn@tiscali.nl>
To: joey@kitenet.net (Joey Hess),
250360-done@bugs.debian.org
Subject: Re: Bug#250360: about your Debian installation report
Date: Sat, 16 Oct 2004 23:52:59 +0200
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On Wednesday 13 October 2004 22:54, Joey Hess wrote:
> Hello, I'm writing you because you filed an installation report a while ago
> on an old version of the debian installer. Your installation report was
> #250360 and can be viewed online at <http://bugs.debian.org/250360>.
Hi Joey,
I've done two more test installations (both 2.4.27 and 2.6.8).
The discover issues mentioned in the report are completely solved :-)
Most of the hotplug issues still exist (mostly with the 2.4.27 kernel), but I
will submit separate bug reports against hotplug for those.
Closing this report.
Cheers,
FJP
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