Bug 91711 - PCI bus and mga BIOS patch (from Ivan Kokshaysky)
PCI bus and mga BIOS patch (from Ivan Kokshaysky)
Product: Red Hat Raw Hide
Classification: Retired
Component: XFree86 (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Mike A. Harris
David Lawrence
Depends On:
  Show dependency treegraph
Reported: 2003-05-27 11:01 EDT by Michal Jaegermann
Modified: 2007-04-18 12:54 EDT (History)
0 users

See Also:
Fixed In Version: 4.3.0-15
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2003-06-06 13:21:35 EDT
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Verified Versions:
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
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Attachments (Terms of Use)
patch for issues in X 4.0.3 (1.41 KB, patch)
2003-05-27 11:02 EDT, Michal Jaegermann
no flags Details | Diff

  None (edit)
Description Michal Jaegermann 2003-05-27 11:01:13 EDT
Description of problem:

This is a quote from a description by Ivan posted on axp-list:

I had couple of problems with 4.3.0:
- Detection of the primary adapter is broken. You have to
  set explicit PCI id in XF86Config to get the card detected
  as *secondary*. However, switching to VGA text console won't work then
  (most drivers don't save/restore VGA state for secondary adapters).
- Rather old bug in mga driver (since 4.1.0, IIRC) - the driver
  attempts to read the video ROM *before* enabling it. Naturally,
  this causes annoying machine check on certain platforms.

Nominally on Alpha but it looks from the code that it will really affect
all platforms.  His patch attached.
Comment 1 Michal Jaegermann 2003-05-27 11:02:51 EDT
Created attachment 91995 [details]
patch for issues in X 4.0.3
Comment 2 Mike A. Harris 2003-06-06 13:21:35 EDT
Applied to 4.3.0-15 on all-arches.

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