Hi Haines.

> A thread is running on comp.os.linux regarding a problem of system
> hang (no keyboard; no mouse; system clock stops) perhaps every other
> week or so.
>
> Three people so far have contributed to this recent thread which has
> just begun, and the common element seems to be one of the nVidia
> graphics cards, although otherwise the system differs.
>
> Although perhaps OT, could I ask if there are others on this list
> who have the same kind of hang and if they rely on the nVidia?

There have been a wide variety of problems reported on systems using
nVidea video cards. I don't use such cards myself, so have no direct
experience of them. However, from reading the messages I've seen that
refer to this problem, the following appear to be the relevant factors:

 1. The nVidea drivers are apparently binary-only drivers, if the
    various threads I've seen are correct. As stated above, none
    of my systems use nVidea cards so I have no direct experience
    to confirm this one way or the other.

 2. Most binary-only drivers are compiled for a particular set of
    kernel options, and are unusable with almost any change to the
    kernel options. This basically means that it is near enough
    impossible to make any change to one's setup without causing
    problems if one is using any binary-only driver whatsoever.

Because of the number of problems hidden in various binary-only drivers,
the kernel developers are usually unable to make constructive use of any
fault reports from systems using binary-only drivers, and are pretty
much forced to respond with "Send this bug report to the authors of the
XXXX module as it's a binary-only module that we can do nothing with."

Also, if the report relates to a system using two or more different
binary-only modules from different authors, then even that isn't
appropriate as the authors of the different binary-only modules will
just blame each other's modules for the problem.

Incidentally, the binary-only module with the biggest bug-ridden
reputation is VMWARE and its reputation is such that the developers
just ignore any bug report where it appears.

Best wishes from Riley.


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