Moved this to the kernel package, as it's a kernel drm driver issue with
FDI link train failures on IvyBridge. I reset the priority to undecided,
as I'm not sure wishlist is appropriate, but not sure what other one is.
This is definitely a kernel bug, though.
** Package changed:
Daniel, is this the commit that fixes the issue?
http://cgit.freedesktop.org/~danvet/drm-
intel/commit/?id=248138b59880a3cc69e9b7f0e06fb0caedd58305
If not, can you please point at the commit which does? There have been a
few 3.5 kernel updates recently on Ubuntu 12.10 with several i915 fixes
Time for some testing on drm-intel-next-queued. Right, Daniel?
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https://bugs.launchpad.net/bugs/1021924
Title:
Multiple Displays not working on Core i7
drm-intel-fixes from http://cgit.freedesktop.org/~danvet/drm-intel has
fixes for all known fdi link issues. I'll lean out the window a bit here
and claim that this is fixed now, thanks for reporting this bug an
please reopen if you still have issues (I wouldn't be too surprised by
that ...).
--
** Changed in: xorg-server
Status: Confirmed = Fix Released
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https://bugs.launchpad.net/bugs/1021924
Title:
Multiple Displays not working on
Same issue on a Thinkpad T430s (with Intel HD4000 only, no Nvidia
Optimus).
Output from:
lspci -v -s 00:02.0
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor
Graphics Controller (rev 09) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device 21fb
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New = Confirmed
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Same issue on a Thinkpad W530 (with Nvidia Optimus + Intel HD4000). Uses
Intel driver by default. Second screen is not detected. On Quantal 12.10
x64. Also tested xorg-edgers (with no success and messy graphics as
mentioned in this thread) and ubuntu-x-swap/x-updates (which is
currently off-line
** Changed in: xorg-server
Status: Incomplete = Confirmed
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https://bugs.launchpad.net/bugs/1021924
Title:
Multiple Displays not working on Core
Daniel, is there any more information you need to be able to solve the
bug? Would like to be able to get this fixed soon. My monitor is getting
lonely without the twin working. :)
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Regarding the comment and time remaining before the quantal release,
putting this one the not fixing list for 12.10. But if Maarten has the
time to look at it, please go for it :)
** Tags removed: rls-q-incoming
** Tags added: rls-q-notfixing
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Sorry I haven't had more time to try and debug this. Just posted on G+
asking for anyone with the same CPU/Motherboard and multiple displays to
help out if possible.
That said, I tried switching crtc on the outputs just now, and I can get
the main screen to switch between the two, but the
Daniel, does having these messages from drm indicate this is likely a
kernel issue rather than an Xorg issue, at this point?
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Yep, this is an issue with the kernel modeset code in the drm/i915.ko
driver. But this bug is in the right bugzilla, we also handle the kernel
issues for the intel driver here.
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This appears in dmesg:
[ 21.891791] i915 :00:02.0: setting latency timer to 64
[ 21.892354] i915 :00:02.0: irq 50 for MSI/MSI-X
[ 21.892364] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
[ 21.892365] [drm] Driver supports precise vblank timestamp query.
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