Gentoo Forums
Gentoo Forums
Gentoo Forums
Quick Search: in
undefined symbol: __explicit_bzero_chk
View unanswered posts
View posts from last 24 hours

 
Reply to topic    Gentoo Forums Forum Index Gentoo on Alternative Architectures
View previous topic :: View next topic  
Author Message
NeddySeagoon
Administrator
Administrator


Joined: 05 Jul 2003
Posts: 39048
Location: 56N 3W

PostPosted: Sun Sep 24, 2017 4:27 pm    Post subject: undefined symbol: __explicit_bzero_chk Reply with quote

Team,

Both mate and xfrc4 used to work on arm64 but no more.
They both fail for undefined symbol: __explicit_bzero_ch. To put that into context ...

Code:
X.Org X Server 1.19.3
Release Date: 2017-03-15
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.9.41-v8+ aarch64 Gentoo
Current Operating System: Linux Pi3_64 4.12.11-v8+ #4 SMP PREEMPT Mon Sep 11 17:31:20 BST 2017 aarch64
Kernel command line: 8250.nr_uarts=0 bcm2708_fb.fbwidth=1920 bcm2708_fb.fbheight=1080 bcm2708_fb.fbdepth=16 bcm2708_fb.fbswap=1 vc_mem.mem_base=0x3f000000 vc_mem.mem_size=0x3f600000  dwc_otg.lpm_enable=0 console=tty root=/dev/sda1 rootfstype=ext4 rootwait
Build Date: 27 August 2017  10:08:59PM
 
Current version of pixman: 0.34.0
        Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
        (++) from command line, (!!) notice, (II) informational,
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Sun Sep 24 17:13:51 2017
(==) Using config file: "/etc/X11/xorg.conf"
(==) Using config directory: "/etc/X11/xorg.conf.d"
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
xfce4-session: symbol lookup error: /usr/lib64/libbsd.so.0: undefined symbol: __explicit_bzero_chk
xinit: connection to X server lost

waiting for X server to shut down (II) Server terminated successfully (0). Closing log file.

Xorg starts and shuts down but there is no desktop shown.

__explicit_bzero_chk appears to be provided by glibc. My current glibc says
Code:
Pi3_64 ~ # /lib64/libc.so.6
GNU C Library (Gentoo 2.23-r3 p6) stable release version 2.23, by Roland McGrath et al.
Copyright (C) 2016 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
Compiled by GNU CC version 6.2.0.
Available extensions:
   C stubs add-on version 2.1.2
   crypt add-on version 2.1 by Michael Glad and others
   GNU Libidn by Simon Josefsson
   Native POSIX Threads Library by Ulrich Drepper et al
   BIND-8.2.3-T5B
libc ABIs: UNIQUE
For bug reporting instructions, please see:
<http://bugs.gentoo.org/>.


I've tried several versions.
Code:
# ls -l /packages/sys-libs/glibc-2.2*
-rw-r--r-- 1 root root 12278539 Apr  9  2016 /packages/sys-libs/glibc-2.22-r4.tbz2
-rw-r--r-- 1 root root 12367495 Nov 16  2016 /packages/sys-libs/glibc-2.23-r3.tbz2
-rw-r--r-- 1 root root 12452685 Jun 24 15:46 /packages/sys-libs/glibc-2.24-r3.tbz2
-rw-r--r-- 1 root root 12523558 Sep 14 16:13 /packages/sys-libs/glibc-2.24-r4.tbz2
-rw-r--r-- 1 root root 12957575 Aug 25 21:24 /packages/sys-libs/glibc-2.25-r3.tbz2
-rw-r--r-- 1 root root 12902548 Sep 13 17:58 /packages/sys-libs/glibc-2.25-r4.tbz2
-rw-r--r-- 1 root root 12809493 Sep 13 19:57 /packages/sys-libs/glibc-2.26.tbz2
including downgrading glibc (which I know is not supported) and rebuilding the libbsd package.

What am I missing?

-- edit --

The linker is
Code:
# ld -V
GNU gold (Gentoo 2.28 p1.2 2.28) 1.14

_________________
Regards,

NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
Back to top
View user's profile Send private message
NeddySeagoon
Administrator
Administrator


Joined: 05 Jul 2003
Posts: 39048
Location: 56N 3W

PostPosted: Sun Sep 24, 2017 5:34 pm    Post subject: Reply with quote

Team,

I'm being silly.
Code:
 __explicit_bzero_ch
was added in glibc-2.25, so its not in the glibc I downgraded to. Oops.
Sorry for the noise on that one. Going back to sys-libs/glibc-2.25-r4 has fixed that issue.

Now the Pi won't boot, which is much harder to diagnose.
_________________
Regards,

NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
Back to top
View user's profile Send private message
Jaglover
Watchman
Watchman


Joined: 29 May 2005
Posts: 5914
Location: Saint Amant, Acadiana

PostPosted: Sun Sep 24, 2017 5:39 pm    Post subject: Reply with quote

Last time my Pi didn't boot it was too weak PS. My 2¢.
_________________
Please learn how to denote units correctly!

Political Correctness is all about replacing imaginary injustice with real injustice.
Back to top
View user's profile Send private message
NeddySeagoon
Administrator
Administrator


Joined: 05 Jul 2003
Posts: 39048
Location: 56N 3W

PostPosted: Sun Sep 24, 2017 5:50 pm    Post subject: Reply with quote

Jaglover,

If I downgrade glibc it works ... but then I get the missing symbol :(

The last line on the screen is Mounting /dev/shm. ...
It seems to really stop the boot process too, as it will not respond over ssh.
_________________
Regards,

NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
Back to top
View user's profile Send private message
Jaglover
Watchman
Watchman


Joined: 29 May 2005
Posts: 5914
Location: Saint Amant, Acadiana

PostPosted: Sun Sep 24, 2017 5:56 pm    Post subject: Reply with quote

I'm not much Pi-ist, but what is the next thing supposed to be after mounting shm?
_________________
Please learn how to denote units correctly!

Political Correctness is all about replacing imaginary injustice with real injustice.
Back to top
View user's profile Send private message
NeddySeagoon
Administrator
Administrator


Joined: 05 Jul 2003
Posts: 39048
Location: 56N 3W

PostPosted: Sun Sep 24, 2017 7:41 pm    Post subject: Reply with quote

Jaglover,

I don't think mounting shm returns. If I downgrade glibc, it boots but won't run any desktops.
I've just tried reverting openrc-0.30 to openrc-0.22 (using tar) to no effect.
Making the kernel static /dev nodes is next in a working boot.

Next, I suppose I can chroot in from Sakakis image and poke about but I can't start my services then.
_________________
Regards,

NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
Back to top
View user's profile Send private message
mDup
Tux's lil' helper
Tux's lil' helper


Joined: 14 Apr 2006
Posts: 129

PostPosted: Sun Sep 24, 2017 10:10 pm    Post subject: Reply with quote

NeddySeagoon wrote:
Next, I suppose I can chroot in from Sakakis image and poke about but I can't start my services then.

maybe, indeed in a chroot, you will need to build some packages to fix the issues, only, it may not be so easy to find the necessary and sufficient ones.
good luck!
Back to top
View user's profile Send private message
Display posts from previous:   
Reply to topic    Gentoo Forums Forum Index Gentoo on Alternative Architectures All times are GMT
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum