thks for your input and post
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Description changed:
Ubuntu 8.10 > kernel 2.6.27-10-generic
The nvidia driver fails to load when the cx18 (cx23418)module is loaded.
The cx18 module has only first appeared in 2.6.27 from Hauppauge. It is
a beta driver for Hauppauge/Conexant TV tuner/radio cards. Anyone with
cards that use this driver cannot get the nvidia driver to initialize
because of a virtual memory conflict with the cx18 module. The two
modules cannot coexist normally. After installing the nvidia driver, the
user is greeted with bulletproofx in low res mode. The only solution so
far is to pass the vmalloc argument at boot to reallocate virtual
memory. I use vmalloc=256M, but some have reported success with
vmalloc=192M. I believe the cx18 module is in the v4l-dvb package.
+ WROKAROUND:
+
+ http://ubuntuforums.org/showthread.php?t=1004660&highlight=cx18+nvidia
+
[lspci -kvv]
01:05.0 Multimedia video controller: Conexant Systems, Inc. CX23418
Single-Chip MPEG-2 Encoder with Integrated Analog Video/Broadcast Audio Decoder
Subsystem: Hauppauge computer works Inc. Device 7400
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 64 (500ns min, 50000ns max), Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 16
Region 0: Memory at e8000000 (32-bit, non-prefetchable) [size=64M]
Capabilities: <access denied>
Kernel driver in use: cx18
Kernel modules: cx18
** Tags added: kernel-bug
--
Nvida driver fails to load when cx18 module is present
https://bugs.launchpad.net/bugs/306664
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