Commit b51f9b10 authored by Uwe Geuder's avatar Uwe Geuder Committed by Rafael J. Wysocki

PM / hibernate: clarify resume documentation

it was not the whole truth that kernel mode cannot be used with swap on LVM
Signed-off-by: default avatarUwe Geuder <>
Acked-by: Pavel Machek's avatarPavel Machek <>
Signed-off-by: default avatarRafael J. Wysocki <>
parent d770e558
......@@ -410,8 +410,17 @@ Documentation/usb/persist.txt.
Q: Can I suspend-to-disk using a swap partition under LVM?
A: No. You can suspend successfully, but you'll not be able to
resume. uswsusp should be able to work with LVM. See
A: Yes and No. You can suspend successfully, but the kernel will not be able
to resume on its own. You need an initramfs that can recognize the resume
situation, activate the logical volume containing the swap volume (but not
touch any filesystems!), and eventually call
echo -n "$major:$minor" > /sys/power/resume
where $major and $minor are the respective major and minor device numbers of
the swap volume.
uswsusp works with LVM, too. See
Q: I upgraded the kernel from 2.6.15 to 2.6.16. Both kernels were
compiled with the similar configuration files. Anyway I found that
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