Stuck in software rendering mode. [Solved]

[clancybird]

For me, the fix was to reinstall bumblebee with all required packages.

Linux Mint 17 Cinnamon (64-bit)

This afternoon I came home from work, turned on my laptop, and was presented with a large notification informing me that Cinnamon is running in software rendering mode, which may be due to a driver error. Now my matlab and netflix are driving up cpu usage and I ended up shutting them down. The only precursor that I can think of is that last night and this morning my wireless card was refusing to cooperate (intermittent), but I doubt that effected whatever caused this. I had previously encountered this error when initially installing, but it was resolved by using proprietary drivers and bumblebee.

Here is the output from inxi -Fxi for reference:

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vawalker@TerraRex ~ $ inxi -Fxz
System:    Host: TerraRex Kernel: 3.13.0-24-generic x86_64 (64 bit, gcc: 4.8.2) 
           Desktop: Gnome  (Gtk 2.24.23) Distro: Linux Mint 17 Qiana
Machine:   System: LENOVO product: 20217 version: Lenovo IdeaPad Y510P
           Mobo: LENOVO model: VIQY0Y1 version: 31900058STD Bios: LENOVO version: 74CN44WW(V3.05) date: 09/18/2013
CPU:       Quad core Intel Core i7-4700MQ CPU (-HT-MCP-) cache: 6144 KB flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 19157.4 
           Clock Speeds: 1: 800.00 MHz 2: 800.00 MHz 3: 2401.00 MHz 4: 800.00 MHz 5: 2401.00 MHz 6: 800.00 MHz 7: 800.00 MHz 8: 800.00 MHz
Graphics:  Card-1: Intel 4th Gen Core Processor Integrated Graphics Controller bus-ID: 00:02.0 
           Card-2: NVIDIA GK107M [GeForce GT 755M] bus-ID: 01:00.0 
           X.Org: 1.15.1 drivers: fbdev,intel (unloaded: vesa) Resolution: 1920x1080@77.0hz 
           GLX Renderer: Gallium 0.4 on llvmpipe (LLVM 3.4, 256 bits) GLX Version: 2.1 Mesa 10.1.0 Direct Rendering: Yes
Audio:     Card-1: Intel Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller driver: snd_hda_intel bus-ID: 00:03.0
           Card-2: Intel 8 Series/C220 Series Chipset High Definition Audio Controller driver: snd_hda_intel bus-ID: 00:1b.0
           Sound: Advanced Linux Sound Architecture ver: k3.13.0-24-generic
Network:   Card-1: Intel Wireless 7260 driver: iwlwifi ver: in-tree: bus-ID: 08:00.0
           IF: wlan0 state: up mac: <filter>
           Card-2: Qualcomm Atheros QCA8171 Gigabit Ethernet driver: alx port: 3000 bus-ID: 07:00.0
           IF: eth0 state: down mac: <filter>
Drives:    HDD Total Size: 1024.2GB (12.1% used) 1: id: /dev/sda model: LITEONIT_LSS size: 24.0GB 
           2: id: /dev/sdb model: ST1000LM024_HN size: 1000.2GB 
Partition: ID: / size: 69G used: 28G (43%) fs: ext4 ID: /home size: 138G used: 41G (32%) fs: ext4 
           ID: swap-1 size: 4.00GB used: 0.00GB (0%) fs: swap 
RAID:      No RAID devices detected - /proc/mdstat and md_mod kernel raid module present
Sensors:   System Temperatures: cpu: 0.0C mobo: N/A 
           Fan Speeds (in rpm): cpu: 0 
Info:      Processes: 197 Uptime: 16 min Memory: 958.6/7897.5MB Runlevel: 2 Gcc sys: 4.8.2 Client: Shell inxi: 1.8.4 

[jahid]

see this thread, if it helps:
http://forums.linuxmint.com/viewtopic.php?t=170927

[clancybird]

see this thread, if it helps:
http://forums.linuxmint.com/viewtopic.php?t=170927

The grub options that helped in the article wouldn't allow my laptop to boot, I would presume due to differences between the Lenovo/macbook hardware(?). I did run lspci -vv to see how mine compares, and I noticed an abnormaility under the NVIDIA header.

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01:00.0 VGA compatible controller: NVIDIA Corporation GK107M [GeForce GT 755M] (rev ff) (prog-if ff)
	!!! Unknown header type 7f

I looked up that sequence, and most articles talk about the proper installation of nvidia driver and blacklist of the nouveau - but I've already done that once before and the blacklist files are still there.

[eugeniotgn]

i don know if is the same error that affected me, but is similar. I think is compatibility between integrated graphic card and nvidia
see this, in last post i can find solution (for me works all right, i'm not sure if is the best option)
http://forums.linuxmint.com/viewtopic.php?f=49&t=175926

[clancybird]

i don know if is the same error that affected me, but is similar. I think is compatibility between integrated graphic card and nvidia see this, in last post i can find solution (for me works all right, i'm not sure if is the best option)
viewtopic.php?f=49&t=175926

After reading this, I realized that I missing one of the packages in my bumblebee install. I re-did it and everything works now.