Michael Holzheu wrote:
Hi Cliff
On Mon, 2007-08-13 at 11:33 -0500, Cliff Wickman wrote:
On Fri, Aug 10, 2007 at 05:19:10PM +0200, Bernhard Walle wrote:
The kerntypes file that crash can use is built by the LKCD dwarfexract
command. Types are extracted from a -g kernel and modules. And dwarfextract
writes a magic ELF e_version that crash uses to distinguish a kerntypes from
a vmlinux. So only such a kerntypes file will work.
Also the standard -g compiled lkcd Kerntypes file seems to work, if you
set the KERNTYPES flag. This can be useful, if you don't want to build a
full -g compiled vmlinux.
I used the following simple patch which adds the "-k" option to force
crash using the kerntypes code path.
diff -Naurp crash-4.0-4.5/main.c crash-4.0-4.5-kerntypes/main.c
--- crash-4.0-4.5/main.c 2007-08-13 15:07:20.000000000 +0200
+++ crash-4.0-4.5-kerntypes/main.c 2007-08-13 15:06:51.000000000 +0200
@@ -70,7 +70,7 @@ main(int argc, char **argv)
*/
opterr = 0;
optind = 0;
- while((c = getopt_long(argc, argv, "Lgh::e:i:sSvc:d:tfp:m:",
+ while((c = getopt_long(argc, argv, "Lkgh::e:i:sSvc:d:tfp:m:",
long_options, &option_index)) != -1) {
switch (c)
{
@@ -222,6 +222,9 @@ main(int argc, char **argv)
else
program_usage(LONG_FORM);
clean_exit(0);
+ case 'k':
+ pc->flags |= KERNTYPES;
+ break;
case 'e':
if (STREQ(optarg, "vi"))
This simple "-k" fix looks fine to me, presuming that there's
nothing else obvious in the lkcd kerntypes file that distinguishes
it -- i.e., like the unique ELF e_version that dwarfextract uses.
(EV_DWARFEXTRACT 101010101)
So unless anybody objects, or has a better idea, I'll put this -k
option in the next release.
Thanks,
Dave
I attached the kerntypes file, which works for s390:
------------------------------------------------------------------------
/*
* kerntypes.c
*
* Dummy module that includes headers for all kernel types of interest.
* The kernel type information is used by the lcrash utility when
* analyzing system crash dumps or the live system. Using the type
* information for the running system, rather than kernel header files,
* makes for a more flexible and robust analysis tool.
*
* This source code is released under the GNU GPL.
*/
/* generate version for this file */
typedef char *COMPILE_VERSION;
/* General linux types */
#include <linux/autoconf.h>
#include <linux/compile.h>
#include <linux/utsname.h>
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/slab_def.h>
#include <linux/slab.h>
#include <linux/bio.h>
#include <linux/bitmap.h>
#include <linux/bitops.h>
#include <linux/bitrev.h>
#include <linux/blkdev.h>
#include <linux/blkpg.h>
#include <linux/bootmem.h>
#include <linux/buffer_head.h>
#include <linux/cache.h>
#include <linux/cdev.h>
#include <linux/cpu.h>
#include <linux/cpumask.h>
#include <linux/cpuset.h>
#include <linux/dcache.h>
#include <linux/debugfs.h>
#include <linux/elevator.h>
#include <linux/fd.h>
#include <linux/file.h>
#include <linux/fs.h>
#include <linux/futex.h>
#include <linux/genhd.h>
#include <linux/highmem.h>
#include <linux/if.h>
#include <linux/if_addr.h>
#include <linux/if_arp.h>
#include <linux/if_bonding.h>
#include <linux/if_ether.h>
#include <linux/if_tr.h>
#include <linux/if_tun.h>
#include <linux/if_vlan.h>
#include <linux/in.h>
#include <linux/in6.h>
#include <linux/in_route.h>
#include <linux/inet.h>
#include <linux/inet_diag.h>
#include <linux/inetdevice.h>
#include <linux/init.h>
#include <linux/initrd.h>
#include <linux/inotify.h>
#include <linux/interrupt.h>
#include <linux/ioctl.h>
#include <linux/ip.h>
#include <linux/ipsec.h>
#include <linux/ipv6.h>
#include <linux/ipv6_route.h>
#include <linux/irq.h>
#include <linux/irqflags.h>
#include <linux/irqreturn.h>
#include <linux/jbd.h>
#include <linux/jbd2.h>
#include <linux/jffs2.h>
#include <linux/jhash.h>
#include <linux/jiffies.h>
#include <linux/kallsyms.h>
#include <linux/kernel.h>
#include <linux/kernel_stat.h>
#include <linux/kexec.h>
#include <linux/kobject.h>
#include <linux/kthread.h>
#include <linux/ktime.h>
#include <linux/list.h>
#include <linux/memory.h>
#include <linux/miscdevice.h>
#include <linux/mm.h>
#include <linux/mm_inline.h>
#include <linux/mm_types.h>
#include <linux/mman.h>
#include <linux/mmtimer.h>
#include <linux/mmzone.h>
#include <linux/mnt_namespace.h>
#include <linux/module.h>
#include <linux/moduleloader.h>
#include <linux/moduleparam.h>
#include <linux/mount.h>
#include <linux/mpage.h>
#include <linux/mqueue.h>
#include <linux/mtio.h>
#include <linux/mutex.h>
#include <linux/namei.h>
#include <linux/neighbour.h>
#include <linux/net.h>
#include <linux/netdevice.h>
#include <linux/netfilter.h>
#include <linux/netfilter_arp.h>
#include <linux/netfilter_bridge.h>
#include <linux/netfilter_decnet.h>
#include <linux/netfilter_ipv4.h>
#include <linux/netfilter_ipv6.h>
#include <linux/netlink.h>
#include <linux/netpoll.h>
#include <linux/pagemap.h>
#include <linux/param.h>
#include <linux/percpu.h>
#include <linux/percpu_counter.h>
#include <linux/pfn.h>
#include <linux/pid.h>
#include <linux/pid_namespace.h>
#include <linux/poll.h>
#include <linux/posix-timers.h>
#include <linux/posix_acl.h>
#include <linux/posix_acl_xattr.h>
#include <linux/posix_types.h>
#include <linux/preempt.h>
#include <linux/prio_tree.h>
#include <linux/proc_fs.h>
#include <linux/profile.h>
#include <linux/ptrace.h>
#include <linux/radix-tree.h>
#include <linux/ramfs.h>
#include <linux/raw.h>
#include <linux/rbtree.h>
#include <linux/rcupdate.h>
#include <linux/reboot.h>
#include <linux/relay.h>
#include <linux/resource.h>
#include <linux/romfs_fs.h>
#include <linux/root_dev.h>
#include <linux/route.h>
#include <linux/rwsem.h>
#include <linux/sched.h>
#include <linux/sem.h>
#include <linux/seq_file.h>
#include <linux/seqlock.h>
#include <linux/shm.h>
#include <linux/shmem_fs.h>
#include <linux/signal.h>
#include <linux/signalfd.h>
#include <linux/skbuff.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/socket.h>
#include <linux/sockios.h>
#include <linux/spinlock.h>
#include <linux/stat.h>
#include <linux/statfs.h>
#include <linux/stddef.h>
#include <linux/swap.h>
#include <linux/swapops.h>
#include <linux/sys.h>
#include <linux/syscalls.h>
#include <linux/sysctl.h>
#include <linux/sysdev.h>
#include <linux/sysfs.h>
#include <linux/sysrq.h>
#include <linux/tc.h>
#include <linux/tcp.h>
#include <linux/thread_info.h>
#include <linux/threads.h>
#include <linux/tick.h>
#include <linux/time.h>
#include <linux/timer.h>
#include <linux/timerfd.h>
#include <linux/times.h>
#include <linux/timex.h>
#include <linux/topology.h>
#include <linux/transport_class.h>
#include <linux/tty.h>
#include <linux/tty_driver.h>
#include <linux/tty_flip.h>
#include <linux/tty_ldisc.h>
#include <linux/types.h>
#include <linux/uaccess.h>
#include <linux/unistd.h>
#include <linux/utime.h>
#include <linux/uts.h>
#include <linux/utsname.h>
#include <linux/utsrelease.h>
#include <linux/version.h>
#include <linux/vfs.h>
#include <linux/vmalloc.h>
#include <linux/vmstat.h>
#include <linux/wait.h>
#include <linux/watchdog.h>
#include <linux/workqueue.h>
#include <linux/zconf.h>
#include <linux/zlib.h>
/*
* s390 specific includes
*/
#include <asm/lowcore.h>
#include <asm/debug.h>
#include <asm/ccwdev.h>
#include <asm/ccwgroup.h>
#include <asm/qdio.h>
#include <asm/zcrypt.h>
#include <asm/etr.h>
#include <asm/ipl.h>
#include <asm/setup.h>
/* channel subsystem driver */
#include "drivers/s390/cio/cio.h"
#include "drivers/s390/cio/chsc.h"
#include "drivers/s390/cio/css.h"
#include "drivers/s390/cio/device.h"
#include "drivers/s390/cio/qdio.h"
/* dasd device driver */
#include "drivers/s390/block/dasd_int.h"
#include "drivers/s390/block/dasd_diag.h"
#include "drivers/s390/block/dasd_eckd.h"
#include "drivers/s390/block/dasd_fba.h"
/* networking drivers */
#include "drivers/s390/net/fsm.h"
#include "include/net/iucv/iucv.h"
#include "drivers/s390/net/lcs.h"
#include "drivers/s390/net/qeth.h"
/* zfcp device driver */
#include "drivers/s390/scsi/zfcp_def.h"
#include "drivers/s390/scsi/zfcp_fsf.h"
/* crypto device driver */
#include "drivers/s390/crypto/ap_bus.h"
#include "drivers/s390/crypto/zcrypt_api.h"
#include "drivers/s390/crypto/zcrypt_cca_key.h"
#include "drivers/s390/crypto/zcrypt_pcica.h"
#include "drivers/s390/crypto/zcrypt_pcicc.h"
#include "drivers/s390/crypto/zcrypt_pcixcc.h"
#include "drivers/s390/crypto/zcrypt_cex2a.h"
/* sclp device driver */
#include "drivers/s390/char/sclp.h"
#include "drivers/s390/char/sclp_rw.h"
#include "drivers/s390/char/sclp_tty.h"
/* vmur device driver */
#include "drivers/s390/char/vmur.h"
/*
* include sched.c for types:
* - struct prio_array
* - struct runqueue
*/
#include "kernel/sched.c"
/*
* include slab.c for struct kmem_cache
*/
#include "mm/slab.c"
------------------------------------------------------------------------
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