[bug #36572] unable to install bootloader on SAS storage

[Isao Shimizu]

URL:
  <http://savannah.gnu.org/bugs/?36572>

                 Summary: unable to install bootloader on SAS storage
                 Project: GNU GRUB
            Submitted by: isao
            Submitted on: 2012年06月01日 16時06分18秒
                Category: Configuration
                Severity: Major
                Priority: 5 - Normal
              Item Group: Software Error
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: Isao Shimizu
        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:

* I already posted https://bugzilla.redhat.com/show_bug.cgi?id=826833

unable to install bootloader on SAS storage.
anaconda stopped after install rpm packege from repository. and show error
message.

"There was an error installing the bootloader. The system may not be
bootable."

/tmp/program.log
19:14:37,207 INFO program: Running... grub2-install --no-floppy /dev/sda
19:14:39,134 ERR program: Installtion finished. No error reported.
19:14:39,295 INFO program: Running... grub2-set-default Fedora Linux, with
Linux 3.3.4-5.fc17.x86_64
19:14:39,385 INFO program: Running... grub2-mkconfig -o /boot/grub2/grub.cfg
19:14:39,552 ERR program: Generating grub.cfg ...
stopped.

grub2-mkconfig stopped at /usr/share/grub/grub-mkconfig_lib,
prepare_grub_to_access_device().

problem line:
hints="`"${grub_probe}" --device "${device}" --target=hints_string 2>
/dev/null`"

I executed this command on anaconda console.
but occured error "No such file or directory".

grub2-probe --device /dev/sda --target=hints_string
grub2-probe: error: cannot open
`/sys/devices/pci0000:00/0000:00:03.0/0000:02:00.0/host4/port-4:0/end_device-4:0/sas_device:end_device-4:0/phy_identifier':
No such file or directory.

the path is wrong. correct path is 
/sys/devices/pci0000:00/0000:00:03.0/0000:02:00.0/host4/port-4:0/end_device-4:0/sas_device/end_device-4:0/phy_identifier
(colon or slash)

and I found problem code in grub source. 

http://alpha.gnu.org/gnu/grub/grub-2.00~beta4.tar.gz
check_sas() util/ieee1275/ofpath.c

snprintf (path, path_size, "%s/sas_device:%s/phy_identifier", p, ed);

to 

snprintf (path, path_size, "%s/sas_device/%s/phy_identifier", p, ed);

Probably, this code is executed only machine attached SAS devices.

I fixed this code,and built rpm package. and include my rpm package by Fedora
17 anaconda.
And it works. (bootloader installation is successfully!)

I don't know who commit this patch. me or other commiter?




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