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[Joshua Kugler <joshua@xxxxxxxxxxx>]

OK, Thanks for the update!

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https://bugs.launchpad.net/bugs/1242242

Title:
  linux-firmware 1.79.7 causes visual artifacts with nVidia displays

Status in “linux-firmware” package in Ubuntu:
  New

Bug description:
  After upgrading to 1.79.7, I began noticing visual artifacts on my
  screen.  Light blue or light green streaks, sometimes in patterns,
  sometimes somewhat random.  I also began getting environment lockups
  (especially during flash video play) with messages in the syslog like:

  Oct 19 20:03:27 hosanna kernel: [130892.932466] NVRM: Xid (0000:01:00): 8, Channel 00000001
  Oct 19 20:03:43 hosanna kernel: [130908.918695] NVRM: Xid (0000:01:00): 8, Channel 00000001

  By environment lockups, I mean the video would stop, and I couldn't
  click on any windows, or use the keyboard, but I could still move the
  mouse around.

  This behavior did not start until after I did a sleep and wake up
  after the upgrade.

  I forced a downgrade, slept the laptop, woke up, and so far I can play
  flash video without lockups, and have yet to see any visual artifacts.

  $ lsb_release -a
  No LSB modules are available.
  Distributor ID: Ubuntu
  Description:    Ubuntu 12.04.3 LTS
  Release:        12.04
  Codename:       precise

  lspci:

  00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
  00:01.0 PCI bridge: Intel Corporation Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port (rev 09)
  00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)
  00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 05)
  00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05)
  00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b5)
  00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b5)
  00:1c.2 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 3 (rev b5)
  00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b5)
  00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 05)
  00:1f.0 ISA bridge: Intel Corporation HM67 Express Chipset Family LPC Controller (rev 05)
  00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 05)
  00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 05)
  01:00.0 VGA compatible controller: NVIDIA Corporation GF116M [GeForce GT 560M] (rev a1)
  01:00.1 Audio device: NVIDIA Corporation GF116 High Definition Audio Controller (rev a1)
  02:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 04)
  03:00.0 Ethernet controller: JMicron Technology Corp. JMC250 PCI Express Gigabit Ethernet Controller (rev 05)
  03:00.1 System peripheral: JMicron Technology Corp. SD/MMC Host Controller (rev 90)
  03:00.2 SD Host controller: JMicron Technology Corp. Standard SD Host Controller (rev 90)
  03:00.3 System peripheral: JMicron Technology Corp. MS Host Controller (rev 90)
  04:00.0 Network controller: Intel Corporation Centrino Advanced-N 6230 [Rainbow Peak] (rev 34)
  05:00.0 FireWire (IEEE 1394): JMicron Technology Corp. IEEE 1394 Host Controller (rev 30)

  Marking as a security issue since the update was a security update,
  thus downgrading causes a security issue.

  Currently running nvidia-current 295.40-0ubuntu1 due to
  https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-
  drivers/+bug/1182674

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