Linus Torvalds wrote:
On Tue, 14 Nov 2006, Jeff Garzik wrote:
:( Like AHCI, PCI MSI has -always- worked wonderfully for HD audio AFAIK.
That "AFAIK" is shorthand for "As Far As I haven't read any of the
bug-reports but Know", right?
None of the bug reports indicate Intel, thus following the well
established pattern of "it works great on Intel, but not elsewhere"
Is a whitelist patch forthcoming?
Probably not. The advantages of MSI aren't all that obvious, and the
disadvantages seem to be that it just doesn't work all that well for some
people.
The fact that it works for MOST people has absolutely zero relevance.
We've had too many frigging patches that have apparently been of the "this
works for me, I don't care if some other motherboard has problems" kind.
See for example:
http://lkml.org/lkml/2006/10/7/164
and yes, that HDA MSI _does_ seem to be causing problems.
But not on Intel, hence the obvious whitelist question.
So don't blather about "MSI never causes problems". It's broken. Please
stop living in denial.
When somebody can actually say what the huge advantages to MSI are that
it's worth using when
(a) several motherboards are apparently known broken
several non-Intel motherboards
(b) microsoft apparently is of the same opinion and _also_ doesn't use it
Yeah well, that's sage advice only when it's sage advice. MS lags us by
years. We do some bleeding, on the bleeding edge.
(c) the old non-MSI code works fine
(d) there is apparently no fool-proof way to tell when it works and when
it doesn't.
then please holler. Btw, I'm not even _interested_ in any advantages
unless you also have a solution for (d). Not a "it should work". I want to
hear something that is _guaranteed_ to work.
if (intel) ...
That has a track record of working.
It's nice not to have to deal with shared interrupts.
Jeff
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