Messages in this thread | | | Date | Sat, 16 Mar 2002 11:40:25 -0800 | From | Greg KH <> | Subject | Re: IBM x360 2.2.x boot failure, 2.4.9 works fine |
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On Sat, Mar 16, 2002 at 12:53:23PM -0500, Gordon J Lee wrote: > > > 2.4.18 shows two processors > > > 2.4.19-pre3 shows two processors > > > 2.4.19-pre3-ac1 shows four processors > > > > Great, thanks for testing. I'd recommend using this hardware :)
Sorry, I meant to say, "I'd recommend using this kernel version".
> From your earlier post, I presume that the bug here was simply a presentation > layer bug in /proc/cpuinfo, and that kernel versions previous to 2.4.19-pre3-ac1 > can actually use all of the logical processors. Is this correct ?
No, the other processors are not recognized by Linux at all. You need that kernel version to properly use all of the logical processors.
> If so, at which 2.4.x kernel did support for hyperthreading show up?
In one of the 2.4.19-ac kernels from what I remember, sorry I don't know the exact version.
Hope this helps,
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