From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
Subject: [Bug 39498] New: nouveau hangs on unresponsive black
screen at startup
Date: Sat, 23 Jul 2011 15:37:05 -0700 (PDT)
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List-Id: nouveau.vger.kernel.org
https://bugs.freedesktop.org/show_bug.cgi?id=39498
Summary: nouveau hangs on unresponsive black screen at startup
Product: xorg
Version: git
Platform: Other
OS/Version: Linux (All)
Status: NEW
Severity: blocker
Priority: medium
Component: Driver/nouveau
AssignedTo: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
ReportedBy: guido-D1bseh+SzQikhjTqA1DzBQ@public.gmane.org
QAContact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org
The Nouveau driver hangs on unresponsive black screen at startup (though it is
backlit).
None of ctrl-alt-del, ctrl-alt-fX works. The computer can only be rebooted by
pressing the power button.
I am using the Nouveau driver from git, libdrm from git and the nouveau kernel
module from version 2.6.39.3 (cannot try 3.0 yet, thus no out-of-tree git from
freedesktop either).
The card is an NVidia GeForce GT 330M. It should have Optmimus but with the
hardware mux (BIOS configured to "discrete" instead of "switchable").
The "nv" driver works fine. The binary NVidia driver also ends up with an
unresponsive black screen.
I have checked most (perhaps all) things on the Nouveau Troubleshooting page
without success.
I have tried with and without the "vga=775" option.
I am going to quote the output of lspci below and attach a few log files
(output of dmesg, Xorg.log and lsmod).
The log files collected without the vga=775 kernel option are divide the dmesg
output before and after starting X. The other two log files are obtained
without passing any "vga=" option at boot and should be similar.
01:00.0 VGA compatible controller: nVidia Corporation GT216 [GeForce GT 330M]
(rev a2) (prog-if 00 [VGA controller])
Subsystem: Acer Incorporated [ALI] Device 035a
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR-
Capabilities: [100 v1] Virtual Channel
Caps: LPEVC=0 RefClk=100ns PATEntryBits=1
Arb: Fixed- WRR32- WRR64- WRR128-
Ctrl: ArbSelect=Fixed
Status: InProgress-
VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans-
Arb: Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256-
Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=01
Status: NegoPending- InProgress-
Capabilities: [128 v1] Power Budgeting >
Capabilities: [600 v1] Vendor Specific Information: ID=0001 Rev=1
Len=024 >
Kernel modules: nouveau, nvidiafb
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