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Old 12-05-2005, 03:32 PM   #1
ph0b0s
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Added Mandriva2005 kernel to 2006 install to fix hibernate problem. Usb fails now...


Hi all,

I installed a Mandriva 2005 kernel to my 2006 install (trough official rpm file), to fix a problem where the synaptics device would stop after suspending to ram... Now, when i boot this kernel, the synaptics/hibernate issue is solved, but now i have another problem... the system doesn't recognise usb-drives anymore... When i boot the 2006 kernel, usb works but hibernate/synaptics is broken again... Any clues?

Thanks in advance
 
Old 12-06-2005, 03:42 PM   #2
Electro
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Suspend to RAM is not broken. It is still experimental by the kernel. I recommend keeping the computer on 100% instead of putting the computer in standby.
 
Old 12-07-2005, 02:38 PM   #3
ph0b0s
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Quote:
Originally Posted by Electro
Suspend to RAM is not broken. It is still experimental by the kernel. I recommend keeping the computer on 100% instead of putting the computer in standby.
That would be no problem if it were a desktop pc, but it's a laptop,
and i travel by train a lot, and not having a standby on a laptop is
very annoying...

The suspend to ram works though, but it disables my synaptics TP on
resume, this doesn't happen on the 2005 kernel but usb doesn't work
in it... probably some modules missing or something but i can't
really figure out what to do next...

thanks for replying
 
Old 12-08-2005, 02:23 AM   #4
Electro
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Suspend to RAM and stand-by are two different things. Suspend to RAM in Linux is experimental because after the system comes out of it, the partitions have to be re-mounted as read-only to do fsck. Also swap partitions need to be re-created using mkswap. Third from doing all this hopefully any data that you created or opened is not effected during the process. Again suspend to RAM is experimental. You are better off slowing the processor down, changing the acoustic level management of the hard drive to a low level using hdparm (do not power down the hard drive or it will use more power to power it up), dimming the brightness of the display to a low level, and removing USB/Firewire/PCMCIA modules. You can also re-compile the kernel to change the govenor to userspace, so you can use a program to handle the modes. Unfortunately, Linux does not support power management as well as Windows and MAC.
 
Old 12-09-2005, 12:50 PM   #5
ph0b0s
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Registered: Aug 2005
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Distribution: Debian, after testing all the others!
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Quote:
Originally Posted by Electro
Suspend to RAM and stand-by are two different things. Suspend to RAM in Linux is experimental because after the system comes out of it, the partitions have to be re-mounted as read-only to do fsck. Also swap partitions need to be re-created using mkswap. Third from doing all this hopefully any data that you created or opened is not effected during the process. Again suspend to RAM is experimental. You are better off slowing the processor down, changing the acoustic level management of the hard drive to a low level using hdparm (do not power down the hard drive or it will use more power to power it up), dimming the brightness of the display to a low level, and removing USB/Firewire/PCMCIA modules. You can also re-compile the kernel to change the govenor to userspace, so you can use a program to handle the modes. Unfortunately, Linux does not support power management as well as Windows and MAC.
I can live with that... The suspend2ram offered by the Mandriva
2005 kernel works well enough for me... but i just can't figure out
why USB doesn't work... it works when i boot the 2006 kernel...
This is not only when resuming from suspend... but also on a clean
boot... I can work around the problem by booting 2006 kernel when i
need USB, and booting 2005 when i need suspend, but it would be nicer if i just get USB to work in 2005 kernel

Also... when i had mandriva 2005 installed, suspend AND usb worked...

Strange
 
  


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