[bug #26237] multiple problems with usb devices

[Oliver Henshaw]

URL:
  <http://savannah.gnu.org/bugs/?26237>

                 Summary: multiple problems with usb devices
                 Project: GNU GRUB
            Submitted by: oliverhenshaw
            Submitted on: Sun 19 Apr 2009 13:12:34 GMT
                Category: None
                Severity: Major
                Priority: 5 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: r2127
         Reproducibility: Every Time
         Planned Release: 

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Details:

I'm trying to use grub2 to boot from usb on a legacy system where the bios
can't see the usb drive. The machine has (via) usb 1.1 ports attached to the
motherboard and usb 2.0 ports on a (nec) pci card.

However, 'insmod uhci' hangs grub if any devices are attached to the usb 1.1
ports, and 'insmod ohci' always hangs grub. Grub survives if I 'set
debug=uhci', and recognises devices on the usb 1.1 ports (but does not on the
usb 2.0 ports). With 'set debug=ohci', the output seems to carry on forever.

I captured the output from a serial console, it can be found attached in the
following comment(s). Attached here are the results of 'lspci -v' for the usb
controllers and 'lsusb -v' on i686 Fedora 10.

I encountered this problem when I first tried grub2 from svn, around April
1st, and it persists with svn r2127.



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File Attachments:


-------------------------------------------------------
Date: Sun 19 Apr 2009 13:12:34 GMT  Name: my_pci.txt  Size: 2kB   By:
oliverhenshaw
output of 'lsusb -v' and selected 'lspci -v' on fedora 10. 
<http://savannah.gnu.org/bugs/download.php?file_id=17954>
-------------------------------------------------------
Date: Sun 19 Apr 2009 13:12:34 GMT  Name: my_usb.txt  Size: 15kB   By:
oliverhenshaw
output of 'lsusb -v' and selected 'lspci -v' on fedora 10. 
<http://savannah.gnu.org/bugs/download.php?file_id=17955>

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