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Old 04-23-2006, 03:47 AM   #1
garfield1228
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Registered: Apr 2006
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Kernel warnings at boot


I have a HP dv5000 laptop and i have loaded FC5. My laptop comes with centrino core duo processor. By default it loads SMP kernel. and on boot i get this warnings ...

PCI: Cannot allocate resource region 7 of bridge 0000:00:1c.0
PCI: Cannot allocate resource region 8 of bridge 0000:00:1c.0
PCI: Cannot allocate resource region 7 of bridge 0000:00:1c.1
PCI: Cannot allocate resource region 8 of bridge 0000:00:1c.1
PCI: Cannot allocate resource region 7 of bridge 0000:00:1c.2
PCI: Cannot allocate resource region 8 of bridge 0000:00:1c.2
PCI: Cannot allocate resource region 0 of device 0000:06:00.0
PCI: Failed to allocate mem resource #6:20000@d0000000 for 0000:01:00.0

This is the warnings i get when i boot everytime with boot option acpi=off otherwise my system hangs forver after this.
it gives critical temperature reached(0C), device shutting down. and it freezes forever at starting udev ....

In the above warnings PCI: Cannot allocate resource region 0 of device 0000:06:00.0 belongs to my wireless card, i have found out.
I want the warnings to go away, any help on this. I am planning to download the latest vanilla kernel source and install it but i have a doubt all fedora distro's come with SMP kernel RPMs then if i intall this vanilla source how to make it compatible with SMP architecture.Do i need to apply any patch.
plzzz help.

Last edited by garfield1228; 04-23-2006 at 03:49 AM.
 
Old 04-24-2006, 04:26 PM   #2
sundialsvcs
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Okay, you neglected to tell us if this is the first time you have tried to install any sort of Linux upon this laptop!

Presuming that this is the first time, I will say that the first thing to try is to look for any sort of BIOS-upgrade that may be available from HP for this particular model.

A Google search on "hp dv5000 bios" produced about 400 hits which strongly suggest that you are not alone.

Here's the soap... ACPI, as you may know, is a very sophisticated technique that laptops use to describe themselves: what hardware they have, where the internal switches-and-buttons are located, and exactly how an operating-system should push them. (So to speak.) You have to use ACPI.

Anyway... the ACPI information is actually a program, written in an interpreted language that Linux (and Windows) knows how to interpret. By running this program, the OS can build up a very detailed picture of this computer, and can control it.

But sometimes, there are bugs in that information. Most of the time, "BIOS upgrades" actually consist of patches to it. There can also be the issue (now mostly historical) that manufacturers used Microsoft's compilers and those compilers had a few small bugs in them. When the Linux interpreter was written, they followed the latest specifications exactly. Microsoft was working on it before the specs were quite finalized, and there were a few glitches that "got by."

There are amazing things that you can do to bypass ACPI problems, including extracting the information out of the BIOS ROM, decompiling it, patching the source-code, recompiling it, and telling Linux to use that. But let's hope you don't actually have to do that. Let's hope that HP does have a BIOS upgrade.

If they do, it'll consist of a program you can run (uhh, on Windows, "natcherly" ) which will build a floppy-disk that you can then boot. Which will replace the BIOS in "flash ROM."



Been there, done this. Good... luck.
 
Old 04-25-2006, 01:25 PM   #3
garfield1228
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thanx, well i have the latest bios upgrade installed on my laptop... now how shud i proceed ... what should i do to remove the warnings and fix it plz help
 
  


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