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#1 2005-12-27 19:05:09

honzor
Member
Registered: 2005-12-18
Posts: 42

[SOLVED]Boot Delay while loading modules

Im experiencing a quite long delay on the boot process, more exactly, while arch is loading the modules. Im using the MOD_AUTOLOAD option, and i wanted to know if someone knows of a way to track down the delay to a specific module...

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#2 2005-12-27 19:39:34

tomk
Forum Fellow
From: Ireland
Registered: 2004-07-21
Posts: 9,838

Re: [SOLVED]Boot Delay while loading modules

hwdetect --show-modules lists all the modules that hwdetect attempts to load, barring blacklisted ones. After booting up, modprobe -r all your modules, then modprobe them from the list, one by one.

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#3 2005-12-27 19:42:57

honzor
Member
Registered: 2005-12-18
Posts: 42

Re: [SOLVED]Boot Delay while loading modules

Ok, thats what ive been suspecting, just wanted to know if someone knew a faster solution big_smile thanx P.S.: But will i be able to remove every modules?? as i know you obviously cant remove modules which are in use...

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#4 2005-12-28 01:50:06

tomk
Forum Fellow
From: Ireland
Registered: 2004-07-21
Posts: 9,838

Re: [SOLVED]Boot Delay while loading modules

Boot into single-user mode, disconnect any peripherals, etc. Do lsmod to see what's been loaded, work out why, and go from there.

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#5 2005-12-28 11:26:20

honzor
Member
Registered: 2005-12-18
Posts: 42

Re: [SOLVED]Boot Delay while loading modules

Actually found the module causing the slowdown:
http://bbs.archlinux.org/viewtopic.php?t=17447

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#6 2005-12-28 14:59:32

lanrat
Member
From: Poland
Registered: 2003-10-28
Posts: 1,274

Re: [SOLVED]Boot Delay while loading modules

I don't know anything about this hardware but you can add module name to hwdetect blacklist in rc.conf. Reboot, and try to modprobe the module from command line. Check dmesg/logs for any errors produced by the module. Maybe this driver needs some parameters (modinfo says it has a few)?

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#7 2005-12-28 15:19:53

honzor
Member
Registered: 2005-12-18
Posts: 42

Re: [SOLVED]Boot Delay while loading modules

Actually, the only output modprobing the module is giving (dmesg) is the following:

ACPI: PCI Interrupt 0000:00:1b.0[A] -> GSI 16 (level, low) -> IRQ 16
PCI: Setting latency timer of device 0000:00:1b.0 to 64

but i really dont know what to do with it apart from googling it big_smile ...

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#8 2005-12-28 15:27:54

phrakture
Arch Overlord
From: behind you
Registered: 2003-10-29
Posts: 7,879
Website

Re: [SOLVED]Boot Delay while loading modules

Hmmm, maybe blacklist the module and add "modprobe snd-hda-intel &" in /etc/rc.local so it loads at the very end...

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#9 2005-12-28 15:39:34

honzor
Member
Registered: 2005-12-18
Posts: 42

Re: [SOLVED]Boot Delay while loading modules

Thanx for the advice, at least now the delay remains in background and doesnt affect boot up speed smile but would anyway like to know what is causing this...

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#10 2005-12-28 15:42:16

phrakture
Arch Overlord
From: behind you
Registered: 2003-10-29
Posts: 7,879
Website

Re: [SOLVED]Boot Delay while loading modules

honzor wrote:

Thanx for the advice, at least now the delay remains in background and doesnt affect boot up speed smile but would anyway like to know what is causing this...

Well, it'd be caused by the module itself not meshing well with your hardware - it might be best to contact whoever makes that module with the problem... or maybe see if the same thing happens under archie or knoppix or something...

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