On Monday 28 May 2007 16:09:46 Maximilian Engelhardt wrote:
> On Monday 28 May 2007, Michael Buesch wrote:
> > Can you give 2.6.16 a try? The diff is not that big and we might
> > be able to find out what broke if you find out 2.6.16 works.
> > You can also try later kernels like .17, .18, .19 to further
> > reduce the patch. (You could also git-bisect, if you have the time).
> >
> I did some testing and compiled some kernels and here are the results:
>
> I was able to find out what causes the problems for me. I did build two
> 2.6.21.3 kernels, and one does work fine and the other doesn't.
>
> This is a diff of the kernel configs I used:
>
> --- /usr/src/linux-2.6.21.3-oldconfig1/.config 2007-05-28 13:41:15.000000000
> +0200
> +++ /usr/src/linux-2.6.21.3/.config 2007-05-28 14:46:08.000000000 +0200
> @@ -1,7 +1,7 @@
> #
> # Automatically generated make config: don't edit
> # Linux kernel version: 2.6.21.3
> -# Mon May 28 13:41:15 2007
> +# Mon May 28 14:46:09 2007
> #
> CONFIG_X86_32=y
> CONFIG_GENERIC_TIME=y
> @@ -32,7 +32,7 @@
> #
> # General setup
> #
> -CONFIG_LOCALVERSION="-oldconfig1"
> +CONFIG_LOCALVERSION=""
> CONFIG_LOCALVERSION_AUTO=y
> CONFIG_SWAP=y
> CONFIG_SYSVIPC=y
> @@ -108,9 +108,9 @@
> #
> # Processor type and features
> #
> -# CONFIG_TICK_ONESHOT is not set
> +CONFIG_TICK_ONESHOT=y
> # CONFIG_NO_HZ is not set
> -# CONFIG_HIGH_RES_TIMERS is not set
> +CONFIG_HIGH_RES_TIMERS=y
> # CONFIG_SMP is not set
> CONFIG_X86_PC=y
> # CONFIG_X86_ELAN is not set
>
> The -oldconfig1 is the kernel that had no problems and the other shows the b44
> problem. So if High Resolution Timer Support is disabled everything works
> fine and if I enable it the problems do appear again.
>
> I didn't test this on my 2.6.22-rc3 kernel yet, but I guess disabling High
> Resolution Timer Support will also solve the problem there.
>
> The older kernels I tried also work perfectly fine and they didn't have the
> High Resolution Timer Support yet.
So, that's interesting, indeed.
Any idea what's going on, someone? Thomas?
--
Greetings Michael.
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