forked from pool/kexec-tools
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66
kdump
66
kdump
@ -27,6 +27,7 @@
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. /etc/rc.status
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KEXEC=/sbin/kexec
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KDUMP_HELPER=/usr/sbin/kdump-helper
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BOOTDIR="/boot"
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@ -184,6 +185,11 @@ load_kdump()
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esac
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fi
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# add the dump device
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if [ -n "$KDUMP_DUMPDEV" ] ; then
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KDUMP_COMMANDLINE="dumpdev=$KDUMP_DUMPDEV $KDUMP_COMMANDLINE"
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fi
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echo 1 > /proc/sys/kernel/panic_on_oops
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$KEXEC -p $kdump_kernel \
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@ -208,20 +214,70 @@ is_crash_kernel ()
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return 0
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}
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# return success if we have a valid dump on the dump device
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have_valid_dump_in_dumpdev ()
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{
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if [ ! -b "$KDUMP_DUMPDEV" ] ; then
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return 1
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fi
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# return the return code from this command
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$KDUMP_HELPER -c "$KDUMP_DUMPDEV" >> /dev/null
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}
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# invalidate the dump device so that it's not read on next boot
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invalidate_dumpdev ()
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{
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dd if=/dev/zero of=$KDUMP_DUMPDEV bs=512 count=1
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}
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# copy the dump from the dumpdevice to the harddisk
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copy_dump_from_dumpdev ()
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{
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if [ $KDUMP_KEEP_OLD_DUMPS -gt 0 ]; then
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purge_old_dumps
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fi
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dumpsize=`$KDUMP_HELPER -l "$KDUMP_DUMPDEV" | sed -e 's/Length: //g'`
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dumpsize_mb=$(($dumpsize / 1024 / 1024))
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if [ $KDUMP_FREE_DISK_SIZE -gt 0 ]; then
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restsize=`parse_rest_size "$KDUMP_SAVEDIR"`
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needsize=`expr $dumpsize_mb + $KDUMP_FREE_DISK_SIZE`
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if [ $restsize -lt $needsize ]; then
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echo -n " No enough space left on dump device ($restsize MB)"
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rc_status -s
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rc_failed 6
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return
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fi
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fi
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coredir="${KDUMP_SAVEDIR}/`date +"%Y-%m-%d-%H:%M"`"
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mkdir -p $coredir
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echo -n "Saving crash dump to $coredir"
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dd if=$KDUMP_DUMPDEV of=$coredir/vmcore count=$dumpsize
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invalidate_dumpdev
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}
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case "$1" in
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start)
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if is_crash_kernel; then
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if [ -n "$KDUMP_TRANSFER" ]; then
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$KDUMP_TRANSFER
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else
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save_core
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fi
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if [ -z "$KDUMP_DUMPDEV" ] ; then
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if [ -n "$KDUMP_TRANSFER" ]; then
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$KDUMP_TRANSFER
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else
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save_core
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fi
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fi
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if test "$KDUMP_IMMEDIATE_REBOOT" = "yes"; then
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/sbin/reboot
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# sleep to avoid the conflict with script "single"
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sleep 600
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fi
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else
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if have_valid_dump_in_dumpdev ; then
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copy_dump_from_dumpdev
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fi
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load_kdump
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fi
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;;
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3
kdump-helper-0.1.0.tar.bz2
Normal file
3
kdump-helper-0.1.0.tar.bz2
Normal file
@ -0,0 +1,3 @@
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version https://git-lfs.github.com/spec/v1
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oid sha256:ca07cbc8d32fd9c6c90fe504d5db836dc61ff736fcd4fb76b52f38267144324f
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size 7769
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@ -1,3 +1,9 @@
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-------------------------------------------------------------------
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Wed Jan 17 14:32:02 CET 2007 - bwalle@suse.de
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- implemented Initrd based kdump saving
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(#301538)
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-------------------------------------------------------------------
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Wed Dec 20 10:59:26 CET 2006 - tiwai@suse.de
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@ -1,7 +1,7 @@
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#
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# spec file for package kexec-tools (Version 1.101)
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#
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# Copyright (c) 2006 SUSE LINUX Products GmbH, Nuernberg, Germany.
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# Copyright (c) 2007 SUSE LINUX Products GmbH, Nuernberg, Germany.
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# This file and all modifications and additions to the pristine
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# package are under the same license as the package itself.
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#
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@ -11,6 +11,7 @@
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# norootforbuild
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Name: kexec-tools
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%define helperversion 0.1.0
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%define package_version testing-20061219
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License: GNU General Public License (GPL)
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Group: System/Kernel
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@ -18,15 +19,17 @@ Requires: %insserv_prereq %fillup_prereq
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Autoreqprov: on
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Summary: Tools for fast kernel loading
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Version: 1.101
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Release: 59
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Release: 63
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Source: %{name}-%{package_version}.tar.bz2
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Source1: kdump
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Source2: sysconfig.kdump
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Source3: gdbinit.kdump
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Source4: gdb-kdump
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Source5: README.SUSE
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Source6: kdump-helper-%{helperversion}.tar.bz2
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URL: http://www.xmission.com/~ebiederm/files/kexec/
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BuildRoot: %{_tmppath}/%{name}-%{version}-build
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BuildRequires: libelf
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%description
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Kexec is a user space utiltity for loading another kernel and asking
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@ -46,6 +49,7 @@ Authors:
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Tim Deegan <tjd21@cl.cam.ac.uk>
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%prep
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%setup -b 6 -q -n kdump-helper-%{helperversion}
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%setup -q -n kexec-tools
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%{?suse_update_config -f}
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cp %{SOURCE5} .
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@ -54,6 +58,9 @@ cp %{SOURCE5} .
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autoreconf -fi
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./configure --prefix=/ --sbindir=/sbin --libdir=/%_lib
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make CPPFLAGS="$RPM_OPT_FLAGS"
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cd ../kdump-helper-%{helperversion}
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make CFLAGS="$RPM_OPT_FLAGS"
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cd -
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%install
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make DESTDIR=$RPM_BUILD_ROOT install
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@ -78,6 +85,9 @@ mkdir -p $RPM_BUILD_ROOT%{_datadir}
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mkdir -p $RPM_BUILD_ROOT%{_bindir}
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install -c -m 0644 %{SOURCE3} $RPM_BUILD_ROOT%{_datadir}
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install -c -m 0755 %{SOURCE4} $RPM_BUILD_ROOT%{_bindir}
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cd ../kdump-helper-%{helperversion}
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make DESTDIR=$RPM_BUILD_ROOT install
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cd -
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%post
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%{fillup_and_insserv -n kdump kdump}
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@ -105,8 +115,12 @@ install -c -m 0755 %{SOURCE4} $RPM_BUILD_ROOT%{_bindir}
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%endif
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/etc/init.d/kdump
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/var/adm/fillup-templates/sysconfig.kdump
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%{_sbindir}/kdump-helper
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%changelog -n kexec-tools
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* Wed Jan 17 2007 - bwalle@suse.de
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- implemented Initrd based kdump saving
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(#301538)
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* Wed Dec 20 2006 - tiwai@suse.de
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- take kexec-tools-testing snapshot-20061219.
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o ia64 support
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@ -97,3 +97,21 @@ KDUMP_KEEP_OLD_DUMPS=5
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# The default value is 64MB.
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#
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KDUMP_FREE_DISK_SIZE=64
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## Type: string
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## Default: ""
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#
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# Specifies the dump device that is used for saving the dump in the kdump
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# kernel. You don't need to specify a dump device here. Then the dump is
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# written to KDUMP_SAVEDIR when booting from the kdump kernel.
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#
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# If KDUMP_DUMPDEV points to a device file, the dump is written to that device
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# when booting from the kdump kernel. The advantage over is that you don't have to
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# mount the root file system (which may be corrupted!) just to write the
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# dump. On the first normal boot which is able to succesfully mount the
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# root file system, the dump is saved to KDUMP_SAVEDIR as usual.
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#
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# Important: The KDUMP_DUMPDEV is overwritten by kdump, so don't use it for
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# saving any data. Also don't use the currently used swap partition.
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#
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KDUMP_DUMPDEV=""
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