[Bug 55784] [Ubuntu 12.04.1 LTS 32-bit] Unity GUI will hang during bootup with ATI Technologies Radeon X600 (RV380) and VIA Technologies PT880 Ultra chipset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=55784

--- Comment #43 from mypersonalmailbox1 at mail.com ---
(In reply to comment #41)

Hi Alex,

More updates on the Ubuntu 12.04 LTS 32-bit, XFX Radeon HD 5450 512 MB PCIe
graphics card, and ASUS P5VD1-X mainboard.
After I created a 4 partition hard drive for testing purposes, and updating the
Ubuntu 12.04's kernel to 3.2.0-34-generic-pae via Update Manager, I decided to
run Ubuntu 12.04 in recovery mode.
When recovery mode prompts the user to select various options to do, I chose
'resume.'
Voila, now if I enter my User ID and password at the initial entry screen, it
will get past where it used to get hung up (i.e., As previously mentioned,
Ubuntu 12.04's default reddish wallpaper was rendered on the background, but it
won't get to Ubuntu desktop.), it will display the Ubuntu desktop correctly.
Now the behavior of the OS is identical to my other systems where this bug
doesn't exist.
ACPI S3 State resume seems to work reliably when I tested it.
It seems like this bug is specific to Ubuntu 12.04 and/or Unity GUI, and not
that of the x.org ATI Technologies/AMD display device driver to which you are
one of the authors.
This bug probably didn't get caught during beta testing of Ubuntu 12.04 because
VIA Technologies has been very minor during the PCI Express chipset era (They
actually still design chipsets for their Nano x86 processor product line, but
stopped doing it for Intel/AMD platforms years ago.), and I assume very few
people used it or complained about it.
I will try to contact Canonical's developers via launchpad.net to try to get
them to fix this bug since it looks like it is specific to Ubuntu 12.04, and
not necessarily the fault of x.org ATI Technologies/AMD display device driver.
I will also try to install Linux kernel 3.7-rc7 to one of the experimental hard
drive partitions (as discussed previously) that has Ubuntu 12.04 to see if it
makes any difference.

Regards,

fpgahardwareengineer

P.S. Take a look at Bug 54583 since I updated it with more Linux kernel
messages.

> 
> Depending on what version of the driver was included with 10.04, it may have
> not had acceleration enabled which would explain why it works ok.  I'd
> suggest trying the things I suggested in comment 37 before you try anything
> else.

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