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Bug 274121 - 'sleep -1' does not sleep
'sleep -1' does not sleep
Product: Fedora
Classification: Fedora
Component: mkinitrd (Show other bugs)
All All
medium Severity low
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Assigned To: Peter Jones
Fedora Extras Quality Assurance
Depends On:
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Reported: 2007-09-01 18:12 EDT by Felix Bellaby
Modified: 2007-11-30 17:12 EST (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2007-09-07 18:06:15 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Felix Bellaby 2007-09-01 18:12:25 EDT
mkinitrd produces init nash scripts ending with the 3 lines:

echo Booting has failed.
sleep -1

This is probably intended to leave the console in an infinite sleep should the
switchroot fail. However, nash does not sleep in response to 'sleep -1' and the
following returns immediately:

# echo 'nash-sleep -1' | nash --force

I suspect that nash interprets the '-1' as an invalid option. Replacing the
'sleep -1' with 'sleep 120' does produce the desired effect.
Comment 1 Peter Jones 2007-09-07 18:06:15 EDT
This should be fixed in current mkinitrd.
Comment 2 Felix Bellaby 2007-09-24 17:40:21 EDT
This has not been fixed as of mkinitrd-6.0.17-1.fc8.

mkinitrd continues to add 'sleep -1' onto the end of scripts
nash still does not sleep.

The failure of this sleep call allows the kernel to panic
immediately after the "Booting has failed" message. This can
prevent the user from reading any helpful information left
on the console following an initrd failure.

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