Note: This bug is displayed in read-only format because the product is no longer active in Red Hat Bugzilla.
RHEL Engineering is moving the tracking of its product development work on RHEL 6 through RHEL 9 to Red Hat Jira (issues.redhat.com). If you're a Red Hat customer, please continue to file support cases via the Red Hat customer portal. If you're not, please head to the "RHEL project" in Red Hat Jira and file new tickets here. Individual Bugzilla bugs in the statuses "NEW", "ASSIGNED", and "POST" are being migrated throughout September 2023. Bugs of Red Hat partners with an assigned Engineering Partner Manager (EPM) are migrated in late September as per pre-agreed dates. Bugs against components "kernel", "kernel-rt", and "kpatch" are only migrated if still in "NEW" or "ASSIGNED". If you cannot log in to RH Jira, please consult article #7032570. That failing, please send an e-mail to the RH Jira admins at rh-issues@redhat.com to troubleshoot your issue as a user management inquiry. The email creates a ServiceNow ticket with Red Hat. Individual Bugzilla bugs that are migrated will be moved to status "CLOSED", resolution "MIGRATED", and set with "MigratedToJIRA" in "Keywords". The link to the successor Jira issue will be found under "Links", have a little "two-footprint" icon next to it, and direct you to the "RHEL project" in Red Hat Jira (issue links are of type "https://issues.redhat.com/browse/RHEL-XXXX", where "X" is a digit). This same link will be available in a blue banner at the top of the page informing you that that bug has been migrated.

Bug 1372723

Summary: grub2-mkconfig failed during processing of /etc/tuned/bootcmdline
Product: Red Hat Enterprise Linux 7 Reporter: Tereza Cerna <tcerna>
Component: tunedAssignee: Jaroslav Škarvada <jskarvad>
Status: CLOSED NOTABUG QA Contact: qe-baseos-daemons
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 7.3CC: jeder, jskarvad, olysonek
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2018-04-23 11:32:49 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:
Bug Depends On:    
Bug Blocks: 1400961, 1472751    

Description Tereza Cerna 2016-09-02 13:34:42 UTC
Description of problem:
  Command `grub2-mkconfig -o /boot/grub2/grub.cfg` failed with message "/etc/tuned/bootcmdline: line 27: $'\n': command not found"

Version-Release number of selected component (if applicable):
  tuned-2.5.1-4.el7_2.6.noarch

How reproducible:
  always

Steps to Reproduce:
1. Have machine with at least 8 cpu
2. Do these steps:
   # mkdir /etc/tuned/custom
   # echo "[bootloader]
   cmdline=isolcpus=\${f:cpulist_invert:1-3,6}" > /etc/tuned/custom/tuned.conf
   # tuned-adm profile custom
   # grub2-mkconfig -o /boot/grub2/grub.cfg
  
Actual results:
   # grub2-mkconfig -o /boot/grub2/grub.cfg
   Generating grub configuration file ...
   /etc/tuned/bootcmdline: line 27: $'\n': command not found
   # echo $?
   127

Expected results:
   End without error

Information for QA:
   Failed test case:
   /CoreOS/tuned/Sanity/built-in-support-for-unit-conversion

Comment 3 Jaroslav Škarvada 2017-04-01 12:42:40 UTC
I cannot reproduce, machine with 12 cores, the grub2-mkconfig didn't fail, resulting cores:
$ grep TUNED_BOOT_CMDLINE /etc/tuned/bootcmdline 
TUNED_BOOT_CMDLINE="isolcpus=0,4,5,7,8,9,10,11"

It seems good, tested with both:
tuned-2.7.1-3.el7
and the latest tuned git head (v2.7.1-112-gdf9aa2f).

Could you provide content of the /etc/tuned/bootcmdline?