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Little Nemo
l33t
Joined: 29 Mar 2004
Posts: 623
Location: Berlin, Germany
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 Posted: Sat Apr 03, 2004 7:45 pm Post subject: Firewire support and kernel preemption |
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According to the technotes, | Quote: | | Firewire support will break if you enable kernel preemption in newer kernels (>=2.6.4) |
. Does anyone know what "will break" means here, and if the origins of this problem are known and whether it is perhaps already being solved? |
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gebner
Tux's lil' helper
Joined: 01 Jan 2004
Posts: 100
Location: Wien, EU
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| Posted: Sat Apr 03, 2004 11:37 pm Post subject: Re: Firewire support and kernel preemption |
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| Little Nemo wrote: | | Does anyone know what "will break" means here, |
Won't compile here.
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Little Nemo
l33t
Joined: 29 Mar 2004
Posts: 623
Location: Berlin, Germany
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| Posted: Sun Apr 04, 2004 9:54 am Post subject: |
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| linux-2-6-4-gentoo-r1 from gentoo-dev-sources compiles w/o problems here. I cannot currently test firewire functionality, though, as I don't have physical access to my Athlon 64 machine over the weekend. |
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gebner
Tux's lil' helper
Joined: 01 Jan 2004
Posts: 100
Location: Wien, EU
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| Posted: Sun Apr 04, 2004 4:00 pm Post subject: |
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| Little Nemo wrote: | | linux-2-6-4-gentoo-r1 from gentoo-dev-sources compiles w/o problems here. |
Do you have SMP activated?
Is this with 64-bit or 32-bit?
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robnotts
Guru
Joined: 15 Mar 2004
Posts: 405
Location: Nottingham, UK
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| Posted: Sun Apr 04, 2004 6:34 pm Post subject: |
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According to the change logs for 2.6.5 on www.linuxhq.com, the problems with pre-empting are fixed...
Hopefully, we shall be given a nice stable 2.6.4, or even 2.6.5 soon via gentoo-dev-sources  .
Rob.
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Gentoo Phenom][ X4 955 on AMD790 + Geforce 220GT 8GB/1.75TB (Desktop)
+ MythTV (3xFreeview,1xFreesat HD) on 1080p
Gentoo Turion64 X2 Geforce 6150 2GB/120GB (Laptop) |
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alshain
Apprentice
Joined: 02 Aug 2002
Posts: 202
Location: London, UK
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| Posted: Sun Apr 04, 2004 7:36 pm Post subject: |
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| robnotts wrote: | According to the change logs for 2.6.5 on www.linuxhq.com, the problems with pre-empting are fixed...
Hopefully, we shall be given a nice stable 2.6.4, or even 2.6.5 soon via gentoo-dev-sources . |
Good - then maybe I can screw it up by combining CK and love patch sets into something utterly fantastic like I did with 2.6.4. 
Andrew |
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Little Nemo
l33t
Joined: 29 Mar 2004
Posts: 623
Location: Berlin, Germany
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| Posted: Sun Apr 04, 2004 8:46 pm Post subject: |
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| gebner wrote: |
Do you have SMP activated?
Is this with 64-bit or 32-bit? |
SMP is not activated, and the system is purely 64 bit.
The compilation went fine, but I did not even install the compiled kernel yet, as I have no physical access to that machine right now. The only thing I can say is that compiling the kernel did not produce any errors with kernel preemption = y and firewire support = m.
I'll update this tomorrow when I have a chance to install the kernel. But as 2.6.5 is out, I think I'll upgrade as soon as an ebuild is available |
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Little Nemo
l33t
Joined: 29 Mar 2004
Posts: 623
Location: Berlin, Germany
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| Posted: Tue Apr 06, 2004 3:33 pm Post subject: |
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In fact Firewire did compile as modules, but they did not load. A vanilla kernel 2.6.5 remedies this (but now I've got problems with lm-sensors  ) |
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Gentoo on AMD64
