bugThe GNU Hurd - Bugs: bug #19425, fatfs can't handle QEMU's virtual...

 
 

bug #19425: fatfs can't handle QEMU's virtual fat block device

Submitted by:  Thomas Schwinge <tschwinge>
Submitted on:  Tue 27 Mar 2007 10:33:04 AM UTC  
 
Category: Hurd ServersSeverity: 1 - Wish
Priority: 3 - LowItem Group: Standard Compliance
Status: InvalidPrivacy: Public
Assigned to: NoneOriginator Name: 
Open/Closed: ClosedReproducibility: Every Time
Size (loc): NonePlanned Release: None
Effort: 0.00
Wiki-like text discussion box: 

A first fat image to work on -- ``Store is smaller then implied by metadata'' -- has been installed into `flubber:~tschwinge/tmp/fat-images/': `a.img'. Linux can mount that one without complaining.

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Fri 30 Mar 2007 06:35:55 PM UTC, comment #1:

This was a bug in QEMU, see <http://lists.gnu.org/archive/html/qemu-devel/2007-03/msg00701.html>.

This doesn't mean, however, that the (dynamically linked) fatfs translator would be in a working state now...

Thomas Schwinge <tschwinge>
Project Administrator
Tue 27 Mar 2007 10:33:04 AM UTC, original submission:

QEMU can -- on the fly -- create a virtual fat block device based on a directory hierarchy on the host system. (For example: ``-hdc fat:some/where''.)

The Hurd's fatfs translator, however, can't cope with that block device. It may be that it's simply too strict when checking the device for validity; it might also be that QEMU's emulation is not completely done according to the specification.

As GNU GRUB and other operating systems (I guess) are able to handle these block device, I suppose that it's a (probably minor) issue in our fatfs implementation.

Thomas Schwinge <tschwinge>
Project Administrator

 

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    Follow 3 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Fri 30 Mar 2007 06:35:55 PM UTCtschwingeStatusNone=>Invalid
      Open/ClosedOpen=>Closed
    Wed 28 Mar 2007 01:21:40 PM UTCtschwingeWiki-like text discussion box=>A first fat image to work on -- ``Store is smaller then implied by metadata'' -- has been installed into `flubber:~tschwinge/tmp/fat-images/': `a.img'. Linux can mount that one without complaining.

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