Re: Some doubts about hotplug

Re: Some doubts about hotplug

[Piter Punk]

Hi,

     First all, sorry for my bad english, i hope you can understand
this mail. I really like hotplug, but i am got problems with boot time.

     I am telling that things to you, because you are the "name" in
many hotplug talks. Measuring the time i got some weird results:

     poseidon - 0m12.587s
     janus    - 0m33.949s
     rachael  - 0m19.529s

     It's only the time probing PCI devices. USB and PnP devices
are very faster. I really don't know why it looses so many seconds.
My "alternative" approach is to swaps /etc/hotplug/pci.rc with:

     for i in `pcimodules`; do
         grep -q "^$i" /etc/hotplug/blacklist || modprobe $i
     done

     And only this. Is a lot faster. But i don't know if it causes
new problems. I don't want fix "time" and lost funcionality.

     Do you had any tip?

     Thanks for all

     Piter PUNK
-- 
   ____________
  / Piter PUNK \_____________________________________________________
|                                                                   |
|      |        E-Mail: piterpk@terra.com.br         (personal)     |
|     .|.               roberto.freires@gds-corp.com (professional) |
|     /V\                                                           |
|    // \\      UIN:116043354 Homepage:www.openslack.org/~piterpk   |
|   /(   )\                                                         |
|    ^`~'^         ----> Slackware Linux - The Best One! <----      |
|   #105432                                                         |
`-------------------------------------------------------------------'


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Re: Some doubts about hotplug

[Greg KH]

On Wed, Apr 27, 2005 at 03:00:39PM -0300, Piter Punk wrote:
> Hi,
> 
>     First all, sorry for my bad english, i hope you can understand
> this mail. I really like hotplug, but i am got problems with boot time.
> 
>     I am telling that things to you, because you are the "name" in
> many hotplug talks. Measuring the time i got some weird results:
> 
>     poseidon - 0m12.587s
>     janus    - 0m33.949s
>     rachael  - 0m19.529s
> 
>     It's only the time probing PCI devices. USB and PnP devices
> are very faster. I really don't know why it looses so many seconds.
> My "alternative" approach is to swaps /etc/hotplug/pci.rc with:
> 
>     for i in `pcimodules`; do
>         grep -q "^$i" /etc/hotplug/blacklist || modprobe $i
>     done
> 
>     And only this. Is a lot faster. But i don't know if it causes
> new problems. I don't want fix "time" and lost funcionality.

Sorry for the delay.

I don't really understand what the problem is.  What are you measuring?
What do you feel is slow?

thanks,

greg k-h


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