Hi.
On 08/04/10 20:25, Richard Zidlicky wrote:
On Thu, Apr 08, 2010 at 07:06:31PM +1000, Nigel Cunningham wrote:
On 08/04/10 05:52, Richard Zidlicky wrote:
Hi,
trying to fix this crash situation: /boot/vmlinuz-XXX exists and is the
currently
running kernel, I decide to reconfigure and recompile it, overwrite
/boot/vmlinuz-XXX
and hit pm-hibernate.
...
...
--- 01grub.rz 2010-04-07 19:52:02.000000000 +0200
+++ 01grub 2010-04-07 21:22:30.000000000 +0200
@@ -15,6 +15,7 @@
[ -x /sbin/grubby -a -x /sbin/grub ] || return $NA
[ -e "/boot/vmlinuz-$(uname -r)" ] || return 1
+ [ /var/log/boot.log -ot "/boot/vmlinuz-$(uname -r)" ]&& return $NA
out=$(/sbin/grubby --info /boot/vmlinuz-$(uname -r) |grep index)
[ -n "${out}" ] || return 1
current=${out#index=}
With anything relatively recent (post about 2.6.27 IIRC), this should be
unnecessary. Code has been added so that you can hibernate with one
kernel and resume with another.
definitely not the case - just triggered it with 2.6.33.2 yesterday:
Apr 7 16:23:45 localhost kernel: [ 23.188781] Freezing user space processes
... (elapsed 0.01 seconds) done.
Apr 7 16:23:45 localhost kernel: [ 23.199054] Freezing remaining freezable
tasks ... (elapsed 0.01 seconds) done.
Apr 7 16:23:45 localhost kernel: [ 23.222282] PM: Loading image data pages
(182231 pages) ...
Apr 7 16:23:45 localhost kernel: [ 23.222310] PM: Image mismatch: version
Apr 7 16:23:45 localhost kernel: [ 23.222355]
Apr 7 16:23:45 localhost kernel: [ 23.222378] PM: Read 728924 kbytes in 0.01
seconds (72892.40 MB/s)
Apr 7 16:23:45 localhost kernel: [ 23.222433] PM: Restore failed, recovering.
Apr 7 16:23:45 localhost kernel: [ 23.230013] Restarting tasks ... done.
Apr 7 16:23:45 localhost kernel: [ 24.047245] EXT3-fs (dm-6): recovery
required on readonly filesystem
it was exactly the same kernel release - only slightly reconfigured&
recompiled.
Hmm. My apologies; you're absolutely right.
I'll have to email Rafael (cc'd) - I'm not sure why that check is still
there. I know it is possible for you to hibernate one kernel and resume
from another - I've done it with TuxOnIce using the low-level code
Rafael put in. Perhaps he's discovered something that makes it
unreliable or such like.
Regards,
Nigel
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