Public bug reported:
Binary package hint: kexec-tools
[EMAIL PROTECTED]:~$ lsb_release -rd
Description: Ubuntu 7.10
Release: 7.10
kexec-tools:
Installed: 20070330-1ubuntu2
Candidate: 20070330-1ubuntu2
Version table:
*** 20070330-1ubuntu2 0
500 ftp://ftp.free.fr gutsy/main Packages
100 /var/lib/dpkg/status
What happens:
- when forcing a crash the (crash) kernel is indeed started
- but it fails to copy /dev/vmcore to /var/log/crash
Reason:
the cp version in initramfs does not support the flag --sparse=always which is
used in /usr/share/initramfs-tools/scripts/init-bottom/0_kdump
Fix: removing the flag does solve the issue (but a better solution might
be to update the cp version present in initramfs.)
I also put the patch below
Cedric
[EMAIL PROTECTED]:~$ diff -Naur
/usr/share/initramfs-tools/scripts/init-bottom/0_kdump.orig
/usr/share/initramfs-tools/scripts/init-bottom/0_kdump
--- /usr/share/initramfs-tools/scripts/init-bottom/0_kdump.orig 2008-03-26
15:44:47.000000000 +0100
+++ /usr/share/initramfs-tools/scripts/init-bottom/0_kdump 2008-03-26
15:45:02.000000000 +0100
@@ -20,7 +20,8 @@
mount $rootmnt -o remount,rw
# Delete it if the copy fails, mainly to keep from filling up filesystems
# by accident.
-cp --sparse=always /proc/vmcore $rootmnt/var/crash/vmcore || rm -f \
+#cp --sparse=always /proc/vmcore $rootmnt/var/crash/vmcore || rm -f \
+cp /proc/vmcore $rootmnt/var/crash/vmcore || rm -f \
$rootmnt/var/crash/vmcore
umount $rootmnt
reboot
** Affects: kexec-tools (Ubuntu)
Importance: Undecided
Status: New
** Tags: crashdump kdump kexec kexec-tools
--
dumping a kernel crash dump to a file does not work
https://bugs.launchpad.net/bugs/207134
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