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Bug 1151239

Summary: Systemd segfaults on start up with custom kernel (no CONFIG_SWAP)
Product: Red Hat Enterprise Linux 7 Reporter: Artem S. Tashkinov <aros>
Component: systemdAssignee: Lukáš Nykrýn <lnykryn>
Status: CLOSED ERRATA QA Contact: Branislav Blaškovič <bblaskov>
Severity: urgent Docs Contact:
Priority: unspecified    
Version: 7.2CC: bblaskov, jscotka, lmiksik, lnykryn, rhel, systemd-maint-list
Target Milestone: rc   
Target Release: 7.2   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: systemd-208-15.el7 Doc Type: Bug Fix
Doc Text:
This dose not need a doc text. It is a fix for very unsupported case, but the fix was easy so we have decided to put it in rhel7 anyway.
 Story Points: ---
Clone Of: Environment:
Last Closed: 2015-03-05 11:10:27 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
.config for linux kernel 3.17
none
Screen
none
systemd core dump none

Description Artem S. Tashkinov 2014-10-09 21:07:57 UTC 
Description of problem: with my vanilla 3.17 kernel and NO initrd systemd crashes on start up.


Version-Release number of selected component (if applicable): systemd-208-11.el7_0.2.x86_64


How reproducible: always


Steps to Reproduce:
1. Boot
2.
3.

Actual results: segfault


Expected results: a working system


Additional info:
Comment 1 Artem S. Tashkinov 2014-10-09 21:08:34 UTC 
Created attachment 945438 [details]
.config for linux kernel 3.17
Comment 2 Artem S. Tashkinov 2014-10-09 21:12:10 UTC 
Created attachment 945439 [details]
Screen
Comment 3 Artem S. Tashkinov 2014-10-09 21:13:54 UTC 
Created attachment 945440 [details]
systemd core dump
Comment 4 Artem S. Tashkinov 2014-10-09 21:15:48 UTC 
Grub configuration:

title RHEL 7 64 (3.17)
        root (hd0,0)
        kernel /boot/bzImage-3.17-64 root=/dev/sda1 ro vga=0x346 5 video=vesafb:mtrr:3,ywrap rootfstype=ext4 nomodeset

(no initrd, /dev has several necessary files prepopulated)
Comment 6 Artem S. Tashkinov 2014-10-09 21:25:42 UTC 
Please, include the patch from bug 1069393 ASAP.

Some people actually run their PCs without swap support in the kernel.
Comment 7 Lukáš Nykrýn 2014-10-10 07:29:39 UTC 
You are running a setup which is quite different from the supported scenario, so I am sorry but the fix can't be included ASAP.

I will try to get it to 7.2
Comment 8 Lukáš Nykrýn 2014-10-10 08:00:23 UTC 
For testing here is our current systemd for 7.2 (mostly untested) with that patch.

https://lnykryn.fedorapeople.org/systemd/systemd-208-14.el7.0.1/
Comment 9 Lukáš Nykrýn 2014-10-10 10:10:07 UTC 
s/7.2/7.1/ in my previous comments
Comment 10 Artem S. Tashkinov 2014-10-11 16:59:58 UTC 
This release fixes this problem. Thanks!
Comment 14 Branislav Blaškovič 2014-12-18 13:38:07 UTC 
Patch available in systemd-208-18.el7:
0362-core-do-not-segfault-if-proc-swaps-cannot-be-opened.patch
And is correctly applied.

Artem S. Tashkinov verified it in comment 10. Thank you.

Marking as SanityOnly.
Comment 16 errata-xmlrpc 2015-03-05 11:10:27 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2015-0509.html