I cannot confirm that 4.15.18-041518-generic works stable.
It did work for a while though..
Since a few days my boot is slow again and yesterday and today the system again
got stuck in emergency mode because of too slow boot.
Thus I think there is more to it than just the kernel.
The only explanat
This bug was fixed in the package linux - 4.18.0-14.15
---
linux (4.18.0-14.15) cosmic; urgency=medium
* linux: 4.18.0-14.15 -proposed tracker (LP: #1811406)
* CPU hard lockup with rigorous writes to NVMe drive (LP: #1810998)
- blk-wbt: Avoid lock contention and thundering he
Disco kernel receives this fix via stable update.
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Title:
ASPEED server console output extremely slow after upgrade to 18.04
Status
Have we established the bug was never in 19.04?
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Title:
ASPEED server console output extremely slow after upgrade to 18.04
Status i
It appears the fix for 18.04 was released into 'updates' 15 hours ago. See
comment #38 and:
https://launchpad.net/ubuntu/+source/linux/4.15.0-44.47
** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic
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OK, I installed the 4.15.0-44-generic kernel and my system is back to
normal.
Still I have 3 questions?
1. What made the boot become slow again when there was the kernel fix from
linux-image-unsigned-4.15.0-43-generic still in place?
2. Why does the system boot fast when I do a Ctrl-Alt-Del in
This bug was fixed in the package linux - 4.15.0-44.47
---
linux (4.15.0-44.47) bionic; urgency=medium
* linux: 4.15.0-44.47 -proposed tracker (LP: #1811419)
* Packaging resync (LP: #1786013)
- [Packaging] update helper scripts
* CPU hard lockup with rigorous writes to NVM
The -44-generic kernel is in -proposed.
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Title:
ASPEED server console output extremely slow after upgrade to 18.04
Status in linux
The system boot is so slow that two times it got stuck in emergency mode saying
that some configured disk drives were not found.
Strangely when I use a Ctrl-Alt-Del to reboot from emergency mode, the system
boots fast.
I used UKTools to upgrade to kernel 4.15.18-041518-generic but the problem is
In the last couple of days my system boots as slow again as before the fix.
I am currently on linux-image-unsigned-4.15.0-43-generic.
So there must have something changed along the way which brought back the bug.
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Encountered the same issue today. Updated from 16.04 to 18.04 on a
SuperMicro server with ASPEED AST 2400 VGA controller. The boot console
scrolling was very slow after the update and X11 performance was
unusable. Enabled the "proposed" apt feed and updated to
4.15.0-44-generic kernel. Can confirm
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag 'verifica
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
cosmic' to 'verification-done-cosmic'. If the problem still exists,
change the tag 'verifica
Hello Team,
May I know when can we expect the official release for this patch?
I tried to apply Seems like 4.15.0-43.46 version, on the machine, still
the issue persist.
Thanks
Jayaram
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** Changed in: linux (Ubuntu Cosmic)
Status: Fix Released => Fix Committed
** Changed in: linux (Ubuntu Cosmic)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Bionic)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Bionic)
Status: Fix Released => Fi
Seems like 4.15.0-43.46 is a CVE respin so the patch is not included.
Please wait for the next kernel release.
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Title:
ASPEED server
Mat,
This bug is about text console output only. Not the login screen or
graphical sessions.
Please log your own new bug by running:
ubuntu-bug mutter
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Mat,
This bug is about text console output only. Not the login screen or
graphical sessions.
Please log your own new bug bug running:
ubuntu-bug mutter
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I've just done a clean install of 18.04 and have the same issue where
running 18.04 off a boot usb stick works flawlessly, however after
installing on the hard drive the login screen is very laggy and once I
enter my password the screen resolution is all messed up and unreadable.
If I reboot and h
Assuming comment #23 is correct...
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Title:
ASPEED server console output extremely slow after upgrade to 18.04
Status in linux packa
The fix seems to have been released for both 18.04 and 18.10 already, a
couple of weeks ago.
I assume the fix was already in 19.04...?
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May i know when can we expect the official release for this issue?
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Title:
ASPEED server console output extremely slow after upgrade
^^^
It's not documented but I think that means to say the bug is fixed in:
18.04: https://launchpad.net/ubuntu/+source/linux/4.15.0-43.46
18.10: https://launchpad.net/ubuntu/+source/linux/4.18.0-13.14
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** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Fix Released
** Changed in: linux (Ubuntu Cosmic)
Status: In Progress => Fix Released
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** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Cosmic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Bionic)
Status: New => In Progress
** Changed in: linux (Ubuntu Cosmic)
Status: New =>
** Description changed:
+ ===SRU Justification===
+ [Impact]
+ Server console is extremely slow on ast, after the upgrade from 16.04 to
+ 18.04.
+
+ [Fix]
+ Remove firmware/bootloader configured framebuffer device before probing.
+
+ [Test]
+ User confirmed the patch fixes the issue.
+
+ [Regre
> Has there been a change in the VESA/AST mechanism from 16.04 to 18.04
?
I think the answer is "yes" there must have been a kernel change that
caused the regression. It's not yet clear where the regression occurred
between 16.04 and 18.04 (there's at least two years work between them)
but at leas
I have installed the kernel and rebooted the server 3 times.
All reboots were as fast as the previous ubuntu 16.04.
So I think your fix has solved the problem.
Thanks a lot.
I did get a warning during the update of the initramfs though
W: Possible missing firmware /lib/firmware/ast_dp501_fw.bin
Seems like this commit fixes the issue:
commit 5478ad10e7850ce3d8b7056db05ddfa3c9ddad9a
Author: Thomas Zimmermann
Date: Thu Nov 15 11:42:16 2018 +0100
drm/ast: Remove existing framebuffers before loading driver
If vesafb attaches to the AST device, it configures the framebuffer mem
apport information
** Tags added: apport-collected
** Description changed:
After the upgrade from 16.04 to 18.04 my server console is extremely slow.
It looks similar to the youtube clips mentioned in the problem described
here: https://ubuntuforums.org/showthread.php?t=2399941
My server
I finally managed to work my way through the text based apport-collect
and was able to send the data.
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Title:
ASPEED server console
You should be able to open the link required by apport-collect by
copying and pasting it to another machine.
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Title:
ASPEED server c
My server doesn't have a graphical UI and the apport-collect did not work.
The output of lsmod is attached.
** Attachment added: "lsmod.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1808183/+attachment/531/+files/lsmod.txt
** Changed in: linux (Ubuntu)
Status: Incomplet
Can you please also run 'lsmod' and send us the output?
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Title:
ASPEED server console output extremely slow after upgrade to 18.04
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