Nouveau errors (MMIO write FAULT) and usb string descriptor malformed
Here's a bit of system information that's useful:
- My laptop uses Optimus between the CPU (4700MQ) and the GPU (NVIDIA 770M)
- I'm currently running Manjaro (blasphemy, I know) using the non-free NVIDIA drivers with bumblebee for Optimus (which works very well)
I'm going to move to Arch from Manjaro, but there seem to be a few issues with my boot process (even on the USB drive).
I get these errors on boot of Arch (taken from dmesg --level=err):
[ 2.586251] nouveau E[ PBUS][0000:01:00.0] MMIO write of 0x00000000 FAULT at 0x418880 [ IBUS ]
[ 2.586435] nouveau E[ PIBUS][0000:01:00.0] GPC1: 0x419eb4 0xbadf1000 (0x3800820c)
[ 2.586468] nouveau E[ PIBUS][0000:01:00.0] GPC2: 0x419eb4 0xbadf1000 (0x3800820c)
[ 3.223169] usb 3-11: string descriptor 0 malformed (err = -61), defaulting to 0x0409
[ 4.588456] nouveau E[ PGRAPH][0000:01:00.0] HUB_INIT timed out
[ 4.588474] nouveau E[ PGRAPH][0000:01:00.0] 409000 - done 0x00000244
[ 4.588493] nouveau E[ PGRAPH][0000:01:00.0] 409000 - stat 0x00000000 0x00000000 0x00000000 0x00000000
[ 4.588517] nouveau E[ PGRAPH][0000:01:00.0] 409000 - stat 0x00000000 0x00000000 0x00000002 0x00000009
[ 4.588539] nouveau E[ PGRAPH][0000:01:00.0] 502000 - done 0x00000300
[ 4.588560] nouveau E[ PGRAPH][0000:01:00.0] 502000 - stat 0x00000000 0x00000000 0x00000000 0x00000000
[ 4.588585] nouveau E[ PGRAPH][0000:01:00.0] 502000 - stat 0x00000000 0x00000000 0x00000000 0x00000000
[ 4.588608] nouveau E[ PGRAPH][0000:01:00.0] 50a000 - done 0x00000300
[ 4.588627] nouveau E[ PGRAPH][0000:01:00.0] 50a000 - stat 0x00000000 0x00000000 0x00000000 0x00000000
[ 4.588653] nouveau E[ PGRAPH][0000:01:00.0] 50a000 - stat 0x00000000 0x00000000 0x00000000 0x00000000
[ 4.588675] nouveau E[ PGRAPH][0000:01:00.0] 512000 - done 0x00000300
[ 4.588695] nouveau E[ PGRAPH][0000:01:00.0] 512000 - stat 0x00000000 0x00000000 0x00000000 0x00000000
[ 4.588721] nouveau E[ PGRAPH][0000:01:00.0] 512000 - stat 0x00000000 0x00000000 0x00000000 0x00000000
[ 4.588742] nouveau E[ PGRAPH][0000:01:00.0] init failed, -16
Also in the warnings (only the nouveau entry):
[ 2.522096] nouveau W[ DRM] voltage table 0x50 unknown
Clearly, the nouveau errors come from the open source drivers, but I'm not sure what's causing them. The warning about the voltage table comes before the errors, which is interesting. On my Manjaro installation, I couldn't get the open source drivers to work with bumblebee, so switched to the non-free NVIDIA drivers which ended the errors (since nouveau isn't loaded), and then I could run processes on the GPU with Optimus. Clearly, my reference here is Manjaro, but the errors persist between both.
As for the string descriptor 0 malformed, I have no clue. This happens both on Arch and Manjaro, however it hasn't cause any specific issue, but it is something I have to look at on my boot up, which isn't nice.
Can anyone guess as to the source of the errors?
EDIT: Here is the output of "dmesg | grep nouveau" which gives all the nouveau output during boot: http://pastebin.com/wQiuwApk
Last edited by zikaeroh (2014-01-16 05:46:52)
same problem here.
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Attachments:
ATML_StandardUnit2.vi 10 KB
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