I can confirm that it affect the latest upstream 3.13 kernel, too.
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https://bugs.launchpad.net/bugs/1318531
Title:
[Dell Inspiron 17R 5737] Video looks 1 byte shifted
** Changed in: linux (Ubuntu Trusty)
Status: Confirmed = Triaged
** Changed in: linux (Ubuntu)
Status: Confirmed = Triaged
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This issue does still affect the latest upstream 3.13 kernel.
It affects:
kernel.ubuntu.com/~kernel-ppa/mainline/v3.13.11.6-trusty/
It also affects:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.15.7-utopic/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.15.10-utopic/
Can you see if this issue still affects the latest upstream 3.13 kernel?
Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the
latest v3.13 stable kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline
Also sorry about the delay.
I can confirm that http://kernel.ubuntu.com/~jsalisbury/lp1318531/ fixes
the problem.
And, the bug has made it back into the upstream kernel. See
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1300349
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Hi Joseph and Christopher,
sorry for the delay, but I've been busy. I've installed all the packages you
provided me (linux-image-extra too) and I can confirm that it's working
properly (also screen resolution, wifi, ...)
So for me the bug has been fixed.
Thanks for the support and let me know
I built a 32 bit test kernel with a cherry-pick of
38aecea0ccbb909d635619cba22f1891e589b434. The test kernel can be
downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1318531/
Can you test this kernel and see if it resolves this bug?
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Also, you will need to install both the linux-image and linux-image-
extra .deb packages. That may be the cause of the missing modules for
you.
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Sorry for the delay, yes I'll build a 32 bit kernel.
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https://bugs.launchpad.net/bugs/1318531
Title:
[Dell Inspiron 17R 5737] Video looks 1 byte shifted
Status in “linux”
Hi Joseph,
as I wrote in the past comment, don't worry.
I had the time to format and install the 64bit version and it worked for what
concerns the colors, but it seems that your kernel misses several modules with
respect to the *buntu standard one.
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** Changed in: linux (Ubuntu)
Status: Triaged = Fix Committed
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Title:
[Dell Inspiron 17R 5737] Video looks 1 byte shifted
Sorry for the status change, I wrongly cliked and I couldn't put it back to
triaged.
Anyway finally I had the chance to test your x64 version and the screen seems
to work fine, anyway the screen doesn't have the proper resolution (it's not
listed at all, the only resolution present is
** Changed in: linux (Ubuntu)
Status: Fix Committed = Triaged
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Title:
[Dell Inspiron 17R 5737] Video looks 1 byte shifted
@Joseph: If you don't have time to build a 32bit or it's not possible for you,
just let me know if you have a repository I can clone or a place where I can
download the source and I'll build and test it.
Thanks.
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Sorry, can you build a 32bit image? I'm currently using the laptop and
formatting it to place a 64bit is not possible.
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Title:
** Tags removed: needs-reverse-bisect
** Tags added: cherry-pick reverse-bisect-done
** Changed in: linux (Ubuntu)
Status: Confirmed = Triaged
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@GortiZ, I'll build a Trusty test kernel with a cherry-pick of commit
38aecea0ccbb909d635619cba22f1891e589b434. I'll post a link to the test
kernel once it's built.
** Also affects: linux (Ubuntu Trusty)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Trusty)
I built a test kernel with a cherry-pick of
38aecea0ccbb909d635619cba22f1891e589b434. The test kernel can be
downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1318531/
Can you test this kernel and see if it resolves this bug?
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Ok, this is where the bisect ended, this should be the first working
commit (I can confirm that this commit works)
git bisect start
# good: [455c6fdbd219161bd09b1165f11699d6d73de11c] Linux 3.14
git bisect good 455c6fdbd219161bd09b1165f11699d6d73de11c
# bad:
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Title:
[Dell Inspiron 17R 5737] Video looks 1 byte shifted
The bisection shows that the issue has been fixed between 3.14.3-utopic and
3.15-rc1-trusty.
I'll go on with the guide bisecting the error in the torvald repository using
the ubuntu configuration as in this guide:
Changing the GRUB_CMDLINE_LINUX_DEFAULT=quiet splash option in the
/etc/default/grub file into
GRUB_CMDLINE_LINUX_DEFAULT=nomodeset acpi_backlight=vendor
seems to bring back the proper colors to the monitor.
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** Attachment added: 20140512_095615.jpg
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1318531/+attachment/4110373/+files/20140512_095615.jpg
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** Attachment added: version.log
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1318531/+attachment/4110371/+files/version.log
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** Attachment added: 20140512_095605.jpg
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1318531/+attachment/4110372/+files/20140512_095605.jpg
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** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Title:
[Dell Inspiron 17R 5737] Video looks 1 byte shifted
GortiZ, please boot into a Trusty live environment, and execute the following
in a terminal:
apport-collect 1318531
** Description changed:
- The video looks like it's shifted by 1byte or so.
- Red looks green, blue looks violet, green looks dark violet. (almost
everything looks between green
apport information
** Tags added: apport-collected staging trusty
** Description changed:
The video looks like it's shifted by 1byte or so. Red looks green, blue
looks violet, green looks dark violet. (almost everything looks between
green and violet as in the attached snapshot.
apport information
** Description changed:
The video looks like it's shifted by 1byte or so. Red looks green, blue
looks violet, green looks dark violet. (almost everything looks between
green and violet as in the attached snapshot.
WORKAROUND: Change GRUB_CMDLINE_LINUX_DEFAULT=quiet
I forgot to add that I can confirm that using kernel 3.15.0-rc2-trusty the
screen is behaving properly as in bug #1300349, thus the question:
Will it be fixed only on 3.15 once released or will it be backported to 3.13?
Thanks for your time.
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GortiZ, the next step is to fully reverse commit bisect in order to
identify the fix commit. Could you please do this following
https://wiki.ubuntu.com/Kernel/KernelBisection#How_do_I_reverse_bisect_the_upstream_kernel.3F
?
** Attachment removed: version.log
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