Re: xorg-x11-6.8.2-1.FC3.13 appears to not like multiprocessors

From: Seth Alford (setha_at_aracnet.com)
Date: 03/31/05

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    Date: Thu, 31 Mar 2005 00:34:27 -0800
To: For users of Fedora Core releases <fedora-list@redhat.com>

    On Wed, Mar 30, 2005 at 08:18:01PM -0800, Brian Gaynor wrote:
    > > -----Original Message-----
    > >
    > > I have a dual processor Dell Precision 650. As of today, X
    > > will freezes
    > > shortly after it starts, but, only with the second processor
    > > enabled. If
    > > I go into the BIOS, and disable the second processor, then X
    > > works. If I
    > > re-enable the second processor, X freezes again.
    > >
    >
    > [snip]
    >
    > > So here are my questions:
    > >
    > > 1. Anyone else running FC3 on a dual processor? Are you
    > > seeing this problem?
    > > 2. Would this be better reported here, or to xorg? Does
    > > xorg mind having
    > > bugs submitted against xorg packages with a "FC3" as part
    > > of the package
    > > name? Or are they going to tell me something like "Oh,
    > > those packages
    > > were modified by the Fedora project. We won't do
    > > anything about this
    > > problem until you show us that it happened with our
    > > unadulterated packages."
    > > 3. Does it matter that the bogomips on the second processor
    > > are not equal
    > > to the bogomips on the first processor? (I would include
    > > the 2 different
    > > numbers here, but /proc/cpuinfo is only telling me about the first
    > > processor, since the second processor is diabled in BIOS.)
    > > 4. How to go back to the previous xorg release? Get it from
    > > the fedora
    > > web page?
    > >
    >
    > I have FC3 running on a hyperthreaded P4 (Dell Inspiron 5160), so far today
    > no problems running with the new xorg (installed this morning). Obviously,
    > since my setup is a hyperthreaded P4 the bogomips for both "processors" are
    > equal.
    >
    > Brian
    >
    [snip]

    I downloaded the previous xorg rpm's, version 6.8.1-12.FC3.21, from the Fedora
    web page. I forced rpm to load the previous packages, then I erased the newer
    xorg packages (6.8.2-1.FC3.13.) I should probably have done that in the
    opposite order. But, I'm now running with 2 processors enabled, no
    hyperthreading, in a gnome-terminal under X11.

    So something about the newer xorg packages disagreed with my dual processor
    system.

    BTW, I tried enabling hyperthreading again with the second processor disabled.
    Inexplicably, this time, the system locked up once I brought up X. I could
    have sworn that that worked correctly with the 6.8.2-1.FC3.13 packages.

    Thanks for the responses.

    --Seth 

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