Bug 693015

Summary: mdadm: No arrays found in config file or automatically
Product: Red Hat Enterprise Linux 6 Reporter: Chao Ye <cye>
Component: kexec-toolsAssignee: Cong Wang <amwang>
Status: CLOSED ERRATA QA Contact: Kernel Dump QE <kernel-dump-qe>
Severity: urgent Docs Contact:
Priority: urgent    
Version: 6.1CC: czhang, phan, rkhan, syeghiay
Target Milestone: rc   
Target Release: 6.1   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: kexec-tools-2_0_0-184_el6 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2011-05-19 14:16:36 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Chao Ye 2011-04-02 01:47:45 UTC 
Description of problem:
When run kdump tier1 crasherpanic test, kdump failed to mount ext4 partition in second kernel:
========================================================================
Creating Block Devices 
Creating block device loop0 
Creating block device loop1 
Creating block device loop2 
Creating block device loop3 
Creating block device loop4 
Creating block device loop5 
Creating block device loop6 
Creating block device loop7 
Creating block device ram0 
Creating block device ram1 
Creating block device ram10 
Creating block device ram11 
Creating block device ram12 
Creating block device ram13 
Creating block device ram14 
Creating block device ram15 
Creating block device ram2 
Creating block device ram3 
Creating block device ram4 
Creating block device ram5 
Creating block device ram6 
Creating block device ram7 
Creating block device ram8 
Creating block device ram9 
Creating block device sda 
 sda: sda1 sda2 
Creating block device sdb 
 sdb: sdb1 
Creating block device sr0 
mdadm: No arrays found in config file or automatically 
Free memory/Total memory (free %): 90012 / 118608 ( 75.8903 ) 
Saving to the local filesystem UUID=2d8ba697-5c8f-467d-b248-0bdaf0c2106e 
Usage: fsck.ext4 [-panyrcdfvtDFV] [-b superblock] [-B blocksize] 
		[-I inode_buffer_blocks] [-P process_inode_size] 
		[-l|-L bad_blocks_file] [-C fd] [-j external_journal] 
		[-E extended-options] device 
 
Emergency help: 
 -p                   Automatic repair (no questions) 
 -n                   Make no changes to the filesystem 
 -y                   Assume "yes" to all questions 
 -c                   Check for bad blocks and add them to the badblock list 
 -f                   Force checking even if filesystem is marked clean 
 -v                   Be verbose 
 -b superblock        Use alternative superblock 
 -B blocksize         Force blocksize when looking for superblock 
 -j external_journal  Set location of the external journal 
 -l bad_blocks_file   Add to badblocks list 
 -L bad_blocks_file   Set badblocks list 
mount: can't find /mnt in /etc/fstab 
dropping to initramfs shell 
exiting this shell will reboot your system 
/ # [-- MARK -- Fri Apr  1 01:10:00 2011] 
[-- MARK -- Fri Apr  1 01:15:00 2011] 
[-- MARK -- Fri Apr  1 01:20:00 2011] 
[-- MARK -- Fri Apr  1 01:25:00 2011] 

Version-Release number of selected component (if applicable):
kernel-2.6.32-128
kexec-tools-2.0.0-179

How reproducible:
100%

Steps to Reproduce:
1.Install RHEL6.1-20110330.2
2.Upgrade kexec-tools to 2.0.0-179
3.Trigger crash via crasherpanic
  
Actual results:
kdump failed

Expected results:
vmcore saved

Additional info:
https://beaker.engineering.redhat.com/jobs/68688
https://beaker.engineering.redhat.com/jobs/68718
Comment 4 Cong Wang 2011-04-08 09:20:07 UTC 
Fixed:

Saving to the local filesystem UUID=49db2437-0c49-4d8e-ac08-db69c0cbea8e
e2fsck 1.41.12 (17-May-2010)
/dev/mapper/vg_intels3eb101-lv_root: recovering journal
/dev/mapper/vg_intels3eb101-lv_root: clean, 92643/3276800 files, 1103176/13107200 blocks
EXT4-fs (dm-0): mounted filesystem with ordered data mode
Free memory/Total memory (free %): 183484 / 241108 ( 76.1003 )
Loading SELINUX policy
type=1404 audit(1302254349.142:2): enforcing=1 old_enforcing=0 auid=4294967295 ses=4294967295
type=1403 audit(1302254349.554:3): policy loaded auid=4294967295 ses=4294967295
Copying data                       : [100 %] 
Saving core complete
Comment 8 errata-xmlrpc 2011-05-19 14:16:36 UTC 
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHBA-2011-0736.html