[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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Packages, which is subscribed to linux in Ubuntu.
Scott Testerman, the next step is to fully commit bisect from kernel
4.7.10 to 4.8 in order to identify the last good kernel commit, followed
immediately by the first bad one. This will allow for a more expedited
analysis of the root cause of your issue. Could you please do this
following
Kernel 4.7.10 is the most recent kernel that boots successfully, without
delays.
** Attachment added: "dmesg from mainline kernel 4.7.10"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1769421/+attachment/5136567/+files/dmesg-4.7.10-040710-generic.txt
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You received this bug
apport information
** Description changed:
System upgraded from 16.04 to 18.04 experiences long delays at boot --
generally 4-5 minutes. The same system experienced no significant
delays prior to the upgrade. dmesg reports problems with
drm_kms_helper.
Description: Ubuntu 18.04
The problem first appeared in kernel 4.8.0. It is worth noting that the
boot delays are not particularly excessive with this kernel version, but
increase with each subsequent version to the point of several minutes
delay using 4.15.0.20.23 (18.04LTS default kernel).
** Attachment added: "dmesg
apport information
** Description changed:
System upgraded from 16.04 to 18.04 experiences long delays at boot --
generally 4-5 minutes. The same system experienced no significant
delays prior to the upgrade. dmesg reports problems with
drm_kms_helper.
Description: Ubuntu 18.04
apport information
** Tags added: apport-collected
** Description changed:
System upgraded from 16.04 to 18.04 experiences long delays at boot --
generally 4-5 minutes. The same system experienced no significant
delays prior to the upgrade. dmesg reports problems with
drm_kms_helper.
With mainline kernel 4.17rc4, flip_done is still timing out, so it's
exactly the same behavior as the 18.04LTS kernel.
** Attachment added: "dmesg from mainline kernel 4.17.0-041700rc4"
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.17 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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