[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1877388
I thought I might have to get into Grub to select mainline kernel (do
I?), but either way right now the machine boots up fine with the DVD
drive in.
Although when booting I get the messages shown in the attached
screenshot about 'bootconfig' being found on the command line, but no
bootconfig
The next step is to boot with the mainline kernel.
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Title:
If DVD drive is present system very often fails to start-up
To manage notifications
OK, I've installed those (at first I kept trying and failing to install
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.7-rc5/linux-image-
unsigned-5.7.0-050700rc5-generic_5.7.0-050700rc5.202005101931_amd64.deb
, but it worked once I installed https://kernel.ubuntu.com/~kernel-
Download the following deb and install them:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.7-rc5/linux-image-unsigned-5.7.0-050700rc5-generic_5.7.0-050700rc5.202005101931_amd64.deb
Happy to give that a try but not sure exactly sure what to do?
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Title:
If DVD drive is present system very often fails to start-up
To manage
Let's start from testing mainline kernel like Daniel instructed in
comment #10.
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Title:
If DVD drive is present system very often fails to
> Are kernels from 18.04 are still installed?
Only if 20.04 installs them? I didn't upgrade, I did a clean install on
a new hard drive. But I was running 18.04 on this machine fine for
years.
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Are kernels from 18.04 are still installed? Please boot those older
kernels from grub menu.
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Title:
If DVD drive is present system very often
> It sounds like a hardware fault.
Could well be I guess.
However, whilst booted I just whacked the DVD drive in and am now
listening to a CD on it fine. So it certainly works.
Also, this issue only started once I starting using 20.04. It never
happened with 18.04. These facts would seem to
It sounds like a hardware fault. I'm not sure what else to recommend
other than:
* Don't ever plug the drive in; or
* Get a new drive; or
* Get a new motherboard; or
* Try a newer or older kernel version and see if there are any that
work:
OK, so last night I shut down, inserted the DVD drive and then switched
on again. Then I left it overnight. Was still stuck in the morning.
Then I powered off using Alt+Fn+PrtSc, s, u, o, took the drive out and
powered on again. It still got stuck. But then rebooted with
Alt+Fn+PrtSc, s, u, b,
Thanks. Assuming the steps in comment #6 were followed then that shows
the kernel could not detect the DVD drive being connected at all:
May 08 14:32:07 josef-ThinkPad-T510 kernel: ata2: SATA link down
(SStatus 0 SControl 300)
Please try again booting with the drive connected and leave it for
OK, attached.
** Attachment added: "prevboot.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1877388/+attachment/5368398/+files/prevboot.txt
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Yes the attached log 'CurrentDmesg.txt' shows the CD-ROM drive was
reconnected after the machine had been running for about 27 minutes. But
that might not be the real issue...
Can you please:
1. Reinstall the drive and reproduce the boot failure again.
2. Turn the machine off and remove the
The drive was empty
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Title:
If DVD drive is present system very often fails to start-up
To manage notifications about this bug go to:
what's in the dvd rom? is it empty or does it have some CD that has a
package pool which apt-cdrom tries to mount (and has mounted)?
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Title:
If
** Package changed: plymouth (Ubuntu) => linux (Ubuntu)
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Title:
If DVD drive is present system very often fails to start-up
To manage
It occurred to me as I was filing this that perhaps I should've searched
existing bugs for "failed to unmount /cdrom" - none of these sound the
same, but perhaps related?
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