bugGNU GRUB - Bugs: bug #49657, Lenovo x200 grub ls hangs, only...


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bug #49657: Lenovo x200 grub ls hangs, only with DVD drive installed and empty

Submitted by:  James C <jamescc>
Submitted on:  Mon 21 Nov 2016 08:55:35 AM UTC  
Category:  Filesystem Severity:  Major
Priority:  5 - Normal Item Group:  Hardware-specific
Status:  None Privacy:  Public
Assigned to:  None Originator Name: 
Open/Closed:  Open Release: 
Release:  other Reproducibility:  Every Time
Planned Release:  2.03+

Tue 07 Mar 2017 07:18:04 PM UTC, comment #2:

Platform is coreboot. I don't have anything with a CD to reproduce now so I think it shouldn't be a release blocker

Vladimir Serbinenko <phcoder>
Project Administrator
Mon 21 Nov 2016 02:14:15 PM UTC, comment #1:

What platform - legacy BIOS or EFI? 32 or 64 bit? As usual, testing with current GIT snapshot would be helpful.

Andrei Borzenkov <arvidjaar>
Project Member
Mon 21 Nov 2016 08:55:35 AM UTC, original submission:

Grub release: 2.02~beta2-9ubuntu1.12+7.0trisquel5 (but the pre-build rom image could be different)

Libreboot release: 20160907 (coreboot 377rc98)

May be related to bug #47374.

Test procedure:
- power off
- power on
- mash down key until menu timeout cancels
- c for command line
- ls

If the DVD drive is full, this spins it up twice, then returns a list of devices, including partitions on the DVD.

If the DVD drive is empty, this hangs, apparently indefinitely.

Hold the power button, for a disgraceful shutdown, to recover the machine.

I wonder if the syntax for discovering the existence of a DVD drive should be different from the syntax for discovering the set of partitions on the disk, because they take very different amounts of time.


James C <jamescc>


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    Follows 1 latest change.

    Date Changed by Updated Field Previous Value => Replaced by
    2017-03-07 phcoder Planned ReleaseNone => 2.03+

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