Bug 492650 - plymouth-populate-initrd directly writes to /dev/stderr which corrupts output
plymouth-populate-initrd directly writes to /dev/stderr which corrupts output
Product: Fedora
Classification: Fedora
Component: plymouth (Show other bugs)
All Linux
low Severity medium
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Assigned To: Ray Strode [halfline]
Fedora Extras Quality Assurance
Depends On:
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Reported: 2009-03-27 17:00 EDT by Leo Bergolth
Modified: 2009-12-18 04:07 EST (History)
4 users (show)

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Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2009-12-18 04:07:34 EST
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Description Leo Bergolth 2009-03-27 17:00:18 EDT
Description of problem:
plymouth-populate-initrd directly writes error messages to /dev/stderr which corrupts the buffered output stream if stderr is redirected to a file.

This results in garbled output of its parent-process mkinitrd and further parent processes like rpm and yum.

Solution: plymouth-populate-initrd shouldn't write directly to /dev/stderr but use something like
echo "xxx" >&2

Steps to Reproduce:
1. remove the default plymouth plugin, so that plymouth-populate-initrd
   will print the following error:
  "The default plymouth plugin ... doesn't exist"
2. run mkinitrd and redirect its output with
   mkinitrd ... &> mkinitrd.txt
3. view the output e.g. with hexdump -c mkinitrd.txt
Actual results:
The first result will be 

Expected results:
The redirected output shouldn't be truncated and currupted with null characters.

Additional info:
A simplified test-case that does the same is:
-------------------- 8< --------------------

echo "This text will be buffered
and will get corrupted by writing directly to stderr" 1>&2

echo "Leo" >/dev/stderr

echo "The End." 1>&2 <<EOF
-------------------- 8< --------------------

Save it and do:

chmod 755 buffertest.sh
./buffertest.sh 2> stderr.txt
hexdump -c stderr.txt
Comment 1 Bug Zapper 2009-11-18 06:37:24 EST
This message is a reminder that Fedora 10 is nearing its end of life.
Approximately 30 (thirty) days from now Fedora will stop maintaining
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Comment 2 Bug Zapper 2009-12-18 04:07:34 EST
Fedora 10 changed to end-of-life (EOL) status on 2009-12-17. Fedora 10 is 
no longer maintained, which means that it will not receive any further 
security or bug fix updates. As a result we are closing this bug.

If you can reproduce this bug against a currently maintained version of 
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