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Dmitry Safonov acfd9a3ebe vdso: suppress not ELF vDSO error 
When mapping compatible vDSO in restorer blob (with vdso_map_compat),
we don't know if the kernel will map firstly vvar pages or vdso pages.
So we attempt search by checking ELF header magic on those pages.
Which leads to following "errors", which this patch hides:
pie: 1: Error (pie/util-vdso-elf32.c:87): vdso: Elf header magic misma>
pie: 1: Error (pie/util-vdso-elf32.c:87): vdso: Elf header magic misma>
pie: 7: Error (pie/util-vdso-elf32.c:87): vdso: Elf header magic misma>
pie: 7: Error (pie/util-vdso-elf32.c:87): vdso: Elf header magic misma>
pie: 6: Error (pie/util-vdso-elf32.c:87): vdso: Elf header magic misma>
pie: 6: Error (pie/util-vdso-elf32.c:87): vdso: Elf header magic misma>
pie: 4: Error (pie/util-vdso-elf32.c:87): vdso: Elf header magic misma>
pie: 5: Error (pie/util-vdso-elf32.c:87): vdso: Elf header magic misma>
pie: 4: Error (pie/util-vdso-elf32.c:87): vdso: Elf header magic misma>
pie: 5: Error (pie/util-vdso-elf32.c:87): vdso: Elf header magic misma>
(for two vvar pages and 5 processes being restored).

Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-14 23:58:07 +03:00
compel compel: print nr of unsupported relocation 2017-03-14 21:03:30 +03:00
contrib scripts/install-debian-packages: add libnet-dev 2017-01-16 11:04:49 +03:00
coredump coredump: Rename dir to coredump 2016-06-28 13:04:58 +03:00
crit crit/decode: set default opts['nopl'] to False 2016-05-30 13:47:54 +03:00
criu vdso: suppress not ELF vDSO error 2017-03-14 23:58:07 +03:00
Documentation .gitignore: update to recent changes 2017-03-14 21:03:22 +03:00
images restore/x86: call int80 for compat sigaction restore 2017-03-14 23:58:06 +03:00
include/common files: Fix test and set endianess problem 2017-02-06 14:09:15 +03:00
lib lib Makefiles: integrate 2017-03-06 20:44:07 +03:00
scripts travis-ci: run compel tests on build stage 2017-03-14 21:03:30 +03:00
soccr soccr: add one more test to check libsoccr_save/libsoccr_restore 2017-02-01 18:41:29 +03:00
test zdtm: add compatible tests building 2017-03-14 23:58:06 +03:00
.gitignore .gitignore: update to recent changes 2017-03-14 21:03:22 +03:00
.mailmap repo: Add mailmap file 2012-03-25 23:31:20 +04:00
.travis.yml travis: execute tests on Alpine 2017-03-02 00:19:03 +03:00
COPYING COPYING: fix a typo in a preamble 2016-08-11 16:18:43 +03:00
CREDITS Add the CREDITS file 2012-07-30 13:52:37 +04:00
INSTALL.md Makefile.install: rm unused vars/target 2017-02-06 13:48:49 +03:00
Makefile Makefile: add .FORCE target 2017-03-14 21:03:30 +03:00
Makefile.config make: Add .config file processing (v3) 2016-11-03 20:49:13 +03:00
Makefile.install Makefile.install: fix uninstall target 2017-03-06 20:44:08 +03:00
Makefile.versions compel: Initial commit for standalone tool 2017-03-14 21:03:20 +03:00
README.md Add ascciinema tour on basic criu features. 2016-06-16 16:37:06 +03:00

README.md

CRIU (Checkpoint and Restore in Userspace)

An utility to checkpoint/restore tasks. Using this tool, you can freeze a running application (or part of it) and checkpoint it to a hard drive as a collection of files. You can then use the files to restore and run the application from the point it was frozen at. The distinctive feature of the CRIU project is that it is mainly implemented in user space.

The project home is at http://criu.org.

Pages worth starting with are:

A video tour on basic CRIU features

CRIU introduction

How to contribute