GNU bug report logs - #21070
GPT backup corruption causes parted and linux installer to crash

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: CeDeROM <cederom <at> tlen.pl>
Subject: bug#21070: closed (Re: bug#21070: GPT backup corruption causes
 parted and linux installer to crash)
Date: Fri, 18 Sep 2015 18:27:02 +0000

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Your bug report

#21070: GPT backup corruption causes parted and linux installer to crash

which was filed against the parted package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 21070 <at> debbugs.gnu.org.

-- 
21070: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=21070
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Phil Susi <psusi <at> ubuntu.com>
To: CeDeROM <cederom <at> tlen.pl>, 21070-done <at> debbugs.gnu.org
Subject: Re: bug#21070: GPT backup corruption causes parted and linux
 installer to crash
Date: Fri, 18 Sep 2015 14:26:11 -0400

On 7/15/2015 3:34 PM, CeDeROM wrote:
> Hello,
> 
> I have bought 2x2TB disks and set it up for RAID0. I have installed
> Win7 first with UEFI that created GPT partitions. I want to install
> FreeBSD and Linux on it..
> 
> Using Lubuntu AMD64 14.04.02 ISO and UEFI boot I have problem with
> installation. Installer crashes, so I have tried gparted it crashes as
> well, and so parted, below are details.
> 
> Please advise :-)
> Tomek
> 
> root <at> lubuntu:~# parted
> GNU Parted 2.3
> Using /dev/sda

You must not access an individual disk when it is part of a fake raid
array; you must instead partition the array as a whole ( e.g.
/dev/mapper/somethingorther ).  It appears to be a disk that claims to
be larger than it actually is.  That old version of parted refuses to
handle it, so you could also use a more recent release ( Ubuntu 15.04
should do ).

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From: CeDeROM <cederom <at> tlen.pl>
To: bug-parted <at> gnu.org
Subject: GPT backup corruption causes parted and linux installer to crash
Date: Wed, 15 Jul 2015 19:34:04 +0000

Hello,

I have bought 2x2TB disks and set it up for RAID0. I have installed
Win7 first with UEFI that created GPT partitions. I want to install
FreeBSD and Linux on it..

Using Lubuntu AMD64 14.04.02 ISO and UEFI boot I have problem with
installation. Installer crashes, so I have tried gparted it crashes as
well, and so parted, below are details.

Please advise :-)
Tomek

root <at> lubuntu:~# parted
GNU Parted 2.3
Using /dev/sda
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) print
Error: Invalid argument during seek for read on /dev/sda
Retry/Ignore/Cancel? r
Error: Invalid argument during seek for read on /dev/sda
Retry/Ignore/Cancel? r
Error: Invalid argument during seek for read on /dev/sda
Retry/Ignore/Cancel? i
Error: The backup GPT table is corrupt, but the primary appears OK, so that will
be used.
OK/Cancel? y
parted: invalid token: y
OK/Cancel? o
Backtrace has 8 calls on stack:
  8: /lib/x86_64-linux-gnu/libparted.so.0(ped_assert+0x31) [0x7fbc7ebf04b1]
  7: /lib/x86_64-linux-gnu/libparted.so.0(+0x3f5f6) [0x7fbc7ec205f6]
  6: /lib/x86_64-linux-gnu/libparted.so.0(ped_disk_new+0x49) [0x7fbc7ebf5f99]
  5: parted() [0x406dff]
  4: parted(interactive_mode+0x101) [0x40db71]
  3: parted(main+0x153d) [0x4065bd]
  2: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7fbc7e3cdec5]
  1: parted() [0x406617]


You found a bug in GNU Parted! Here's what you have to do:

Don't panic! The bug has most likely not affected any of your data.
Help us to fix this bug by doing the following:

Check whether the bug has already been fixed by checking
the last version of GNU Parted that you can find at:

    http://ftp.gnu.org/gnu/parted/

Please check this version prior to bug reporting.

If this has not been fixed yet or if you don't know how to check,
please visit the GNU Parted website:

    http://www.gnu.org/software/parted

for further information.

Your report should contain the version of this release (2.3)
along with the error message below, the output of

    parted DEVICE unit co print unit s print

and the following history of commands you entered.
Also include any additional information about your setup you
consider important.

Assertion (last_usable <= disk->dev->length) at
../../../libparted/labels/gpt.c:994 in function _parse_header() failed.

Aborted (core dumped)

root <at> lubuntu:~# uname -a
Linux lubuntu 3.16.0-30-generic #40~14.04.1-Ubuntu SMP Thu Jan 15
17:43:14 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
root <at> lubuntu:~# parted --version
parted (GNU parted) 2.3
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written by <http://git.debian.org/?p=parted/parted.git;a=blob_plain;f=AUTHORS>.


-- 
CeDeROM, SQ7MHZ, http://www.tomek.cedro.info

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