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: FilesystemSeverity: Major
Priority: 5 - NormalItem Group: Hardware-specific
Status: NonePrivacy: Public
Assigned to: NoneOriginator Name: 
Open/Closed: OpenRelease: 
Release: otherReproducibility: 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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  • -unavailable- added by phcoder (Posted a comment)
  • -unavailable- added by arvidjaar (Posted a comment)
  • -unavailable- added by jamescc (Submitted the item)

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    Follows 1 latest change.

    Date Changed By Updated Field Previous Value => Replaced By
    Tue 07 Mar 2017 07:18:24 PM UTCphcoderPlanned ReleaseNone=>2.03+

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