[bug #33133] grub-probe can't find device (regression)

[Ian Dall]

URL:
  <http://savannah.gnu.org/bugs/?33133>

                 Summary: grub-probe can't find device (regression)
                 Project: GNU GRUB
            Submitted by: iandall
            Submitted on: Wed 20 Apr 2011 10:38:47 PM GMT
                Category: Installation
                Severity: Major
                Priority: 5 - Normal
              Item Group: Software Error
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: Ian Dall
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 
                 Release: Bazaar - trunk
         Reproducibility: Every Time
         Planned Release: None

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Details:

With current trunk, grub-probe can't determine the device for the following
use case:

I have a usb stick mounted on /tmp/root I am using the command

   grub-probe -v --target=device /tmp/root/boot

which returns:

   cannot find a device for /tmp/root/boot (is /dev mounted?)

This works in version 1.98 where it returns /dev/sdd1.

The issue appears to have been introduced by  be in
grub/grub-core/kern/emu/getroot.c:grub_guess_root_device().

This seems to be a regression introduced by revision 3214.




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