Comment 27 for bug 361689

When assembling certain MD raid devices, hald crashes:

#0 0x0000000000435b05 in hotplug_event_begin_add_blockdev (sysfs_path=0x26c0130 "/sys/devices/virtual/block/md0/md0p1", device_file=<value optimized out>, is_partition=<value optimized out>, parent=0x260bca0, end_token=0x26c0020) at blockdev.c:1501
 sysfs_path_len = <value optimized out>
 is_physical_partition = <value optimized out>
 volume_label = 0x2681390 ""
 buf = "Volume\000\0009\001l\002\000\000\000\0001\n\000\000\000\000\000\000Ù\202\\\005Ê\177\000\000\000Þ\202\005Ê\177\000\000\037^Y\005Ê\177\000\000\000\206`\002\000\000\000\000 \000l\002\000\000\000"
 major_minor = <value optimized out>
 d = (HalDevice *) 0x267de80
 major = 259
 minor = 0
 is_fakevolume = 0
 sysfs_path_real = 0x2693670 "/sys/devices/virtual/block/md0/md0p1"
 floppy_num = <value optimized out>
 is_device_mapper = 0
 is_md_device = 1
 is_cciss_device = 0
 md_number = 0
 __func__ = "hotplug_event_begin_add_blockdev"
#1 0x0000000000425d72 in hotplug_event_begin_sysfs (hotplug_event=0x26c0020) at hotplug.c:220
 parent = (HalDevice *) 0x0
 range = 1
 is_partition = 1
 d = (HalDevice *) 0x0
 subsystem = "0Rë\rÿ\177\000\000S£D\000\000\000\000\0000\001l\002\000\000\000\0008\227Á\004Ê\177\000\000\001\200­û\000\000\000\0000\001l\002\000\000\000\0000\001l\002\000\000\000\0000\001l\002\000\000\000\0000\001l\002\000\000\000\000T\001l\002\000\000\000\000/\003l\002\000\000\000\0000\001l\002\000\000\000\000/\003l\002", '\0' <repeats 44 times>, " \000\000\000\004\000\000\000 \020\000\000\000\000\000\000\000\000è\004Ê\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\000ªè\004Ê\177\000\0000\020", '\0' <repeats 14 times>, "\b\000\000\000\000\000\000\000pªè\004Ê\177\000\000ÿÿÿÿ\000\000\000\000Tl\\\005Ê\177"...
 subsystem_target = <value optimized out>
 __func__ = "hotplug_event_begin_sysfs"
#2 0x00000000004261c8 in hotplug_event_process_queue () at hotplug.c:295
 hotplug_event = (HotplugEvent *) 0x26c0020
 lp = (GList *) 0x2683da0
 lp2 = (GList *) 0x0
 processing = 1
 __func__ = "hotplug_event_process_queue"
#3 0x0000000000424f82 in hald_udev_data (source=<value optimized out>, condition=<value optimized out>, user_data=<value optimized out>) at osspec.c:259
 fd = <value optimized out>
 smsg = {msg_name = 0x0, msg_namelen = 0, msg_iov = 0x7fff0deb53d0, msg_iovlen = 1, msg_control = 0x7fff0deb63e0, msg_controllen = 32, msg_flags = 0}
 cmsg = <value optimized out>
 iov = {iov_base = 0x7fff0deb53e0, iov_len = 4096}
 cred = <value optimized out>
 cred_msg = "\034\000\000\000\000\000\000\000\001\000\000\000\002\000\000\000Í\034", '\0' <repeats 13 times>
 buf = "add@/devices/virtual/block/md0/md0p1\000UDEV_LOG=3\000ACTION=add\000DEVPATH=/devices/virtual/block/md0/md0p1\000SUBSYSTEM=block\000DEVTYPE=partition\000SEQNUM=1723\000MAJOR=259\000MINOR=0\000DEVLINKS=/dev/block/259:0\000DEVNAME=/d"...
 bufpos = 209
 action = 0x7fff0deb5417 "add"
 __func__ = "hald_udev_data"
#4 0x00007fca055a420a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#5 0x00007fca055a78e0 in ?? () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#6 0x00007fca055a7dad in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#7 0x0000000000414005 in main (argc=233531616, argv=<value optimized out>) at hald.c:821
 loop = (GMainLoop *) 0x260b2c0
 path = <value optimized out>
 newpath = "/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/lib/hal:/usr/lib/hal/scripts\000\000t\t²\004Ê\177\000\000.\000\000\000ÿ\177\000\0008õØ\003\000\000\000\000pgë\rÿ\177\000\000\030ië\rÿ\177\000\000h\v²\004Ê\177\000\000\000\000\000\000\000\000\000\000\220\233é\005Ê\177\000\000¸¤é\005Ê\177\000\000~E@\000\000\000\000\000\020Ò²\004Ê\177\000\000è\024@\000\000\000\000\000\000\000\000\000\001\000\000\000"...
 opt_child_timeout = 250
 p_error = (PolKitError *) 0x0
 __func__ = "main"
 long_options = {{name = 0x43e3e3 "exit-after-probing", has_arg = 0, flag = 0x0, val = 0}, {name = 0x43e466 "daemon", has_arg = 1, flag = 0x0, val = 0}, {name = 0x43e404 "verbose", has_arg = 1, flag = 0x0, val = 0}, {name = 0x43e40c "retain-privileges", has_arg = 0, flag = 0x0, val = 0}, {name = 0x43e3f6 "child-timeout", has_arg = 1, flag = 0x0, val = 0}, {name = 0x43e41e "use-syslog", has_arg = 0, flag = 0x0, val = 0}, {name = 0x43e3c1 "help", has_arg = 0, flag = 0x0, val = 0}, {name = 0x44c958 "version", has_arg = 0, flag = 0x0, val = 0}, {name = 0x0, has_arg = 0, flag = 0x0, val = 0}}

Here is the output of hald --verbose=yes --daemon=no when adding the device:

19:58:32.177 [I] osspec.c:251: SEQNUM=1883, ACTION=change, SUBSYSTEM=block, DEVPATH=/sys/devices/virtual/block/md0, DEVNAME=/dev/md0, IFINDEX=0
19:58:32.177 [I] hotplug.c:435: checking event /sys/devices/virtual/block/md0
19:58:32.177 [I] blockdev.c:903: block_add: sysfs_path=/sys/devices/virtual/block/md0 dev=/dev/md0 is_part=0, parent=0x00000000
19:58:32.177 [I] blockdev.c:915: Handling /dev/md0 as MD device
19:58:32.177 [I] blockdev.c:727: In refresh_md_state() for '/sys/devices/virtual/block/md0'
19:58:32.177 [I] blockdev.c:729: MD Level is 'raid0'
19:58:32.177 [W] blockdev.c:735: Cannot get sync_action for /sys/devices/virtual/block/md0
19:58:32.177 [W] blockdev.c:1577: Not adding device object
19:58:32.177 [D] hotplug.c:453: events queued = 0, events in progress = 0
19:58:32.177 [D] hotplug.c:458: Hotplug-queue empty now ... no hotplug events in progress
19:58:32.201 [I] osspec.c:251: SEQNUM=1884, ACTION=add, SUBSYSTEM=block, DEVPATH=/sys/devices/virtual/block/md0/md0p1, DEVNAME=/dev/md0p1, IFINDEX=0
19:58:32.201 [I] hotplug.c:435: checking event /sys/devices/virtual/block/md0/md0p1
19:58:32.201 [I] blockdev.c:903: block_add: sysfs_path=/sys/devices/virtual/block/md0/md0p1 dev=/dev/md0p1 is_part=1, parent=0x00000000
19:58:32.201 [I] blockdev.c:915: Handling /dev/md0p1 as MD device
Segmentation fault