Hi Christopher,
I've been running the A10 for few weeks now, and it doesn't fix the issue.
Your command output is:
A10
8/28/2013


On Sat, Nov 30, 2013 at 10:53 PM, Christopher M. Penalver <
<email address hidden>> wrote:

> Romuald, as per
> http://www.dell.com/support/drivers/us/en/19/Product/xps-13-l321x-mlk an
> update is available for your BIOS (A10). If you update to this following
> https://help.ubuntu.com/community/BiosUpdate , does it change anything?
> If it doesn't, could you please both specify what happened, and provide the
> output of the following terminal command:
> sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
>
> Please note your current BIOS is already in the Bug Description, so
> posting this on the old BIOS would not be helpful.
>
> For more on BIOS updates and linux, please see
> https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette
> .
>
> Thank you for your understanding.
>
> ** Description changed:
>
>   Test computer : Dell XPS 13 L322x with Intel Graphics HD4000.
>
>   I burnt a Live Ubuntu Gnome 13.10 USB, first with the Beta 1, and with
>   the 2013-09-30 daily image. This USB key has been created with Rufus
> - under Windows and is compliant for both UEFI and Bios mode.
> + under Windows and is compliant for both UEFI and Bios mode. If I boot
> + the key in UEFI mode (SecureBoot is disabled), I see the first screen.
> + After having chosen "test only", plymouth starts but the screen refresh
> + frequency is bad, so I have many footprints on the screen, etc.
> + Everything seems to run fine also, except this screen refresh frequency.
>
> - If I boot on the key in Bios mode, no problem, I see the first screen in
> - text mode (Install, test only...). After having chosen "test only", I
> - see the Gnome footprint and everything runs.
> -
> - If I boot the key in UEFI mode (SecureBoot is disabled), I see the first
> - screen. After having chosen "test only", plymouth starts but the screen
> - refresh frequency is bad, so I have many footprints on the screen, etc.
> -
> - Everything seems to run fine also, except this screen refresh frequency.
> + WORKAROUND: If I boot on the key in Bios mode, no problem, I see the
> + first screen in text mode (Install, test only...). After having chosen
> + "test only", I see the Gnome footprint and everything runs.
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 13.10
>   Package: plymouth 0.8.8-0ubuntu8
>   ProcVersionSignature: Ubuntu 3.11.0-9.16-generic 3.11.2
>   Uname: Linux 3.11.0-9-generic x86_64
>   ApportVersion: 2.12.5-0ubuntu1
>   Architecture: amd64
>   Date: Thu Oct  3 09:00:43 2013
>   DefaultPlymouth:
> /lib/plymouth/themes/ubuntu-gnome-logo/ubuntu-gnome-logo.plymouth
>   InstallationDate: Installed on 2013-09-22 (10 days ago)
>   InstallationMedia: Ubuntu-GNOME 13.10 "Saucy Salamander" - Alpha amd64
> (20130903)
>   MachineType: Dell Inc. Dell System XPS L322X
>   MarkForUpload: True
>   ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-9-generic.efi.signed
> root=UUID=529ee009-cfab-4b00-832d-5390f382f988 ro quiet splash vt.handoff=7
>   ProcFB: 0 inteldrmfb
>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-9-generic.efi.signed
> root=UUID=529ee009-cfab-4b00-832d-5390f382f988 ro quiet splash vt.handoff=7
>   SourcePackage: plymouth
>   TextPlymouth:
> /lib/plymouth/themes/ubuntu-gnome-text/ubuntu-gnome-text.plymouth
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   dmi.bios.date: 05/15/2013
>   dmi.bios.vendor: Dell Inc.
>   dmi.bios.version: A09
>   dmi.board.name: 0PJHXN
>   dmi.board.vendor: Dell Inc.
>   dmi.board.version: A00
>   dmi.chassis.type: 8
>   dmi.chassis.vendor: Dell Inc.
>   dmi.chassis.version: 0.1
>   dmi.modalias:
> dmi:bvnDellInc.:bvrA09:bd05/15/2013:svnDellInc.:pnDellSystemXPSL322X:pvr:rvnDellInc.:rn0PJHXN:rvrA00:cvnDellInc.:ct8:cvr0.1:
>   dmi.product.name: Dell System XPS L322X
>   dmi.sys.vendor: Dell Inc.
>
> ** Tags added: bios-outdated-a10
>
> ** Tags removed: kernel-bug-exists-upstream
> ** Tags added: kernel-bug-exists-upstream-v3.12-rc3
>
> ** Tags added: regression-release
>
> ** Summary changed:
>
> - Plymouth screen refresh is bad when Live USB is started in UEFI mode
> + [Dell XPS 13 L322X] Plymouth screen refresh is bad when Live USB is
> started in UEFI mode
>
> ** Summary changed:
>
> - [Dell XPS 13 L322X] Plymouth screen refresh is bad when Live USB is
> started in UEFI mode
> + 8086:0166 [Dell XPS 13 L322X] Plymouth screen refresh is bad when Live
> USB is started in UEFI mode
>
> ** Changed in: linux (Ubuntu)
>        Status: Confirmed => Incomplete
>
> ** Changed in: linux (Ubuntu)
>    Importance: Medium => Low
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1234546
>
> Title:
>   8086:0166 [Dell XPS 13 L322X] Plymouth screen refresh is bad when Live
>   USB is started in UEFI mode
>
> To manage notifications about this bug go to:
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>