[Bug 76297] New: open source radeon drivers for old graphics cards crash the system while booting kernels 3.12+

[Bug 76297] New: open source radeon drivers for old graphics cards crash the system while booting kernels 3.12+

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https://bugs.freedesktop.org/show_bug.cgi?id=76297

          Priority: medium
            Bug ID: 76297
          Assignee: dri-devel@lists.freedesktop.org
           Summary: open source radeon drivers for old graphics cards
                    crash the system while booting kernels 3.12+
          Severity: critical
    Classification: Unclassified
                OS: Linux (All)
          Reporter: epp942@gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Radeon
           Product: DRI

Created attachment 95971
  --> https://bugs.freedesktop.org/attachment.cgi?id=95971&action=edit
Dmesg

There is no legacy driver for kernel 3.12+ for ati cards and now there is no
open source drivers that can be used with kernel 3.12+ , the issue is that
while it tries to load module radeon the whole system hangs on boot tried with
kernels 3.12 and 3.13 and 3.14 on 3.14 once every 5-10 boots it MAYBE boot with
radeon.dpm=0 but this is really random and may not happen for 1 day and may
happen 2 times in a row but only with 3.14 on 3.12 and 3.13 system freeze is
100%.
I put the dmesg as attachment hope i can help any other way you need me cause
there is no driver available for radeon 2-3-4k anymore open or not so we can
work with

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[Bug 76297] open source radeon drivers for old graphics cards crash the system while booting kernels 3.12+

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https://bugs.freedesktop.org/show_bug.cgi?id=76297

--- Comment #1 from John Bridgman <john.bridgman@amd.com> ---
Hi, when you say "and now there is no open source drivers..." do you mean "the
open source drivers worked on my hardware with earlier kernels than 3.12" or
"the first kernel I tried is 3.12 so I've never had open source drivers running
on this hardware" ?

Trying to understand if this is a regression or not.

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[Bug 76297] open source radeon drivers for old graphics cards crash the system while booting kernels 3.12+

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https://bugs.freedesktop.org/show_bug.cgi?id=76297

--- Comment #2 from Alex Deucher <agd5f@yahoo.com> ---
Does the driver work ok if you remove the UVD firmware?

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[Bug 76297] open source radeon drivers for old graphics cards crash the system while booting kernels 3.12+

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https://bugs.freedesktop.org/show_bug.cgi?id=76297

--- Comment #3 from epp942@gmail.com ---
(In reply to comment #1)
> Hi, when you say "and now there is no open source drivers..." do you mean
> "the open source drivers worked on my hardware with earlier kernels than
> 3.12" or "the first kernel I tried is 3.12 so I've never had open source
> drivers running on this hardware" ?
> 
> Trying to understand if this is a regression or not.

It used to work from kernel 3.2 since 3.11 that was the last one that i
personally have used and it worked so yes it used to work in many kernel before
3.2 , 3.4 , 3.9 , 3.11 for sure dont remember if there were more.

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[Bug 76297] open source radeon drivers for old graphics cards crash the system while booting kernels 3.12+

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https://bugs.freedesktop.org/show_bug.cgi?id=76297

--- Comment #4 from epp942@gmail.com ---
(In reply to comment #2)
> Does the driver work ok if you remove the UVD firmware?

Removing the UVD firmware kinda works.
What i mean is with ONLY kernel 3.14 i get a successful boot but i end up in
mouse pointer and black screen trying to force some graphics again and again
with no success , in kernels 3.12 and 3.13 same issue hang on boot , i found a
workaround as i was searching that is to remove the DM and start without
graphics then enter my creds and startx only then and only in kernel 3.14 i get
a successful boot with correct graphics running.
I dont know until when this is going to work or after the update of 3.14 etc
etc.
So issue still exists

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[Bug 76297] open source radeon drivers for old graphics cards crash the system while booting kernels 3.12+

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https://bugs.freedesktop.org/show_bug.cgi?id=76297

--- Comment #5 from Alex Deucher <agd5f@yahoo.com> ---
Can you use git to bisect and identify what commit broke your system?

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[Bug 76297] open source radeon drivers for old graphics cards crash the system while booting kernels 3.12+

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https://bugs.freedesktop.org/show_bug.cgi?id=76297

Martin Peres <martin.peres@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |MOVED
             Status|NEW                         |RESOLVED

--- Comment #6 from Martin Peres <martin.peres@free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/drm/amd/issues/477.

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