** No longer affects: linux (Ubuntu Vivid)
** No longer affects: linux (Ubuntu Utopic)
** Summary changed:
- No UMS support in radeon module
+ Unable to boot
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Xenial also impacted.
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https://bugs.launchpad.net/bugs/1407505
Title:
No UMS support in radeon module
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It's necessary to open a new bug report?
Because this report it's for Ubuntu Utopic (no longer supported) and
Ubuntu Vivid (that it's supported yet).
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Same problem for me upgrading from 15.10 to 16.04:
$ dmesg | egrep 'drm|radeon'
[1.293303] [drm] Initialized drm 1.1.0 20060810
[1.328085] [drm] VGACON disable radeon kernel modesetting.
[1.328109] [drm:radeon_init [radeon]] *ERROR* No UMS support in radeon
module!
[ 12.801460]
I'm was running: "apport-collect 1407505", all of my comments up there are
autogenerated by apport-collect, I'm sorry for the quantities.
I have updated from Ubuntu 15.10 to Ubuntu 16.04 LTS and now I'm affected from
this bug.
The kernel version is: 4.4.0-21-generic
Running: dmesg | egrep
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USERPID ACCESS COMMAND
/dev/snd/controlC3: marco 1976 F pulseaudio
/dev/snd/controlC0: marco 1976 F pulseaudio
/dev/snd/controlC1: marco 1976 F pulseaudio
/dev/snd/controlC2: marco
utopic has seen the end of its life and is no longer receiving any
updates. Marking the utopic task for this ticket as "Won't Fix".
** Changed in: linux (Ubuntu Utopic)
Status: Confirmed => Won't Fix
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Anything new?
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https://bugs.launchpad.net/bugs/1407505
Title:
No UMS support in radeon module
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Kernel #6 works.
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https://bugs.launchpad.net/bugs/1407505
Title:
No UMS support in radeon module
To manage notifications about this bug go to:
I built the next test kernel, up to the following commit:
fc065a4cecb9d4936afc5d1d083c061a56dc37b4
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1407505
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on
Kernel #5 works. :-)
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Title:
No UMS support in radeon module
To manage notifications about this bug go to:
I built the next test kernel, up to the following commit:
d5a1560b20bff6a1afadd68934617d630732b5d5
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1407505
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on
Fourth kernel fails.
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Title:
No UMS support in radeon module
To manage notifications about this bug go to:
I built the next test kernel, up to the following commit:
d528dcb9cac01b5ced231134e1efc7e88b4d9b20
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1407505
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on
Third kernel fails.
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Title:
No UMS support in radeon module
To manage notifications about this bug go to:
I built the next test kernel, up to the following commit:
1423ca3aa4335d5443dc4919ee089689750501cc
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1407505
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on
Second kernel fails.
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Title:
No UMS support in radeon module
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Unfortunately we can't build more that one kernel at a time during a
bisect. The bisect needs to be told whether the last kernel was 'good'
or 'bad', so it knows what commit to build up to next.
I built the first test kernel, up to the following commit:
907ed7ee43a3fee9759f99f163fe34754e49a006
I'd like to perform a bisect to figure out what commit caused this
regression. We need to identify the earliest kernel where the issue
started happening as well as the latest kernel that did not have this
issue.
Can you test the following kernels and post back? We are looking for the
first kernel
Looks like 3.16.4 is your baby.
Thanks for the speed! :-)
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Title:
No UMS support in radeon module
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** Also affects: linux (Ubuntu Utopic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Vivid)
Importance: Medium
Status: Incomplete
** Changed in: linux (Ubuntu Utopic)
Status: New = Confirmed
** Changed in: linux (Ubuntu Vivid)
Status:
The only thing I hate more than bugs is reporting them. :-)
OK! You build, I test.
But give me more than one kernel at a time.
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OK! I'll check that one out this evening.
I don't know what the constraints are, but if you must build kernels
based on my tests, then this is going to take a few days.
On the other hand, if I have a bunch of kernels, I can install them all
at once, boot one then boot the next until we find the
I see the CONFIG_DRM_RADEON_UMS kernel option was disabled in Utopic but
not Trusty. However, you did not see the bug until after 3.16.0-17, but
CONFIG_DRM_RADEON_UMS was also not set in 3.16.0-17.
I think our best bet is to bisect between v3.16.3 and v3.16.4. It will
require testing about 8 -
I started a kernel bisect between v3.16.3 and v3.16.4. The kernel bisect
will require testing of about 7-10 test kernels.
I built the first test kernel, up to the following commit:
be35ff0f45bf85f0390b3fda3c6df6fc55fa4117
The test kernel can be downloaded from:
First kernel fails!
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Title:
No UMS support in radeon module
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Side note:
I have been getting an error at boot since Trusty:
Error: Diskfilter writes are not supported.
I work around it by doing something else while the thing boots. Anyway,
I don't get that error with the kernel builds you had me testing.
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** Tags removed: kernel-key
** Tags added: kernel-da-key
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Title:
No UMS support in radeon module
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Tried v3.19-rc2-vivid as requested. It failed in the same manner. No
change.
Philippe
** Tags added: kernel-bug-exists-upstream
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Title:
No UMS
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.19 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix
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