On Slackware 12.2 + 2.6.28 kernel hald segfaults while starting, on simple software raid 1. Without the following, on this test machine, hal doesn't work at all on software raid (0.5.11 or 0.5.12rc1). Jan 14 17:21:01 machinename kernel: hald[23198]: segfault at 0 ip 08077964 sp bffc1290 error 4 in hald[8048000+49000] Using 0.5.12rc1 (+ 2.6.28 compilation fix, or git from similar period) and reverting this patch solves the problem. http://cgit.freedesktop.org/hal/commit/?id=fd4305a59fd0f3b9e5a7a260707e11ffebc4926d So far, cant locate the patch for vanilla 0.5.11, as it seems this patch is not in that version anyway, but it still segfaults. on 0.5.11, helper utils do start (bad). on 0.5.12rc1, they dont because they realise hald crashed (good). relevant lines in my fstab: /dev/md0 / reiserfs defaults 1 1 /dev/md1 swap swap defaults 0 0 /dev/md2 /home reiserfs defaults 1 2 Also, patch in -stable would be awesome if possible. Don't know if this bug is specific to this machine (asus motherboard, 2x sata 1 tb samsung) or configuration. please contact me for any details and/or testing requests. gdb output run --daemon=no --verbose=yes 09:34:18.079 [D] hotplug.c:449: event held back: /sys/devices/pci0000:00/0000:00:1f.2/host2/target2:0:0/2:0:0:0/block/sda/sda3 09:34:18.079 [I] hotplug.c:435: checking event /sys/devices/pci0000:00/0000:00:1f.2/host3/target3:0:0/3:0:0:0/block/sdb/sdb1 09:34:18.079 [D] hotplug.c:399: event /sys/devices/pci0000:00/0000:00:1f.2/host3/target3:0:0/3:0:0:0/block/sdb/sdb1 dependant on /sys/devices/pci0000:00/0000:00:1f.2/host3/target3:0:0/3:0:0:0/block/sdb 09:34:18.079 [D] hotplug.c:449: event held back: /sys/devices/pci0000:00/0000:00:1f.2/host3/target3:0:0/3:0:0:0/block/sdb/sdb1 09:34:18.079 [I] hotplug.c:435: checking event /sys/devices/pci0000:00/0000:00:1f.2/host3/target3:0:0/3:0:0:0/block/sdb/sdb2 09:34:18.079 [D] hotplug.c:399: event /sys/devices/pci0000:00/0000:00:1f.2/host3/target3:0:0/3:0:0:0/block/sdb/sdb2 dependant on /sys/devices/pci0000:00/0000:00:1f.2/host3/target3:0:0/3:0:0:0/block/sdb 09:34:18.079 [D] hotplug.c:449: event held back: /sys/devices/pci0000:00/0000:00:1f.2/host3/target3:0:0/3:0:0:0/block/sdb/sdb2 09:34:18.079 [I] hotplug.c:435: checking event /sys/devices/pci0000:00/0000:00:1f.2/host3/target3:0:0/3:0:0:0/block/sdb/sdb3 09:34:18.079 [D] hotplug.c:399: event /sys/devices/pci0000:00/0000:00:1f.2/host3/target3:0:0/3:0:0:0/block/sdb/sdb3 dependant on /sys/devices/pci0000:00/0000:00:1f.2/host3/target3:0:0/3:0:0:0/block/sdb 09:34:18.079 [D] hotplug.c:449: event held back: /sys/devices/pci0000:00/0000:00:1f.2/host3/target3:0:0/3:0:0:0/block/sdb/sdb3 09:34:18.079 [I] hotplug.c:435: checking event /sys/devices/virtual/block/md1/md1p1 09:34:18.079 [I] blockdev.c:904: block_add: sysfs_path=/sys/devices/virtual/block/md1/md1p1 dev=/dev/md1p1 is_part=1, parent=0x00000000 09:34:18.079 [I] blockdev.c:916: Handling /dev/md1p1 as MD device Program received signal SIGSEGV, Segmentation fault. 0x0807c414 in hotplug_event_begin_add_blockdev () Current language: auto; currently asm (gdb) bt #0 0x0807c414 in hotplug_event_begin_add_blockdev () #1 0x0806ba06 in hotplug_event_process_queue () #2 0x0806c1ad in process_coldplug_events () #3 0x0806d116 in coldplug_synthesize_events () #4 0x08068d9c in computer_probing_helper_done () #5 0x0805006b in process_reply () #6 0x08050091 in call_notify () #7 0xb7e213a1 in ?? () from /usr/lib/libdbus-1.so.3 #8 0x087352d8 in ?? () #9 0x087417e8 in ?? () #10 0xbf89ad78 in ?? () #11 0xb7e3aff4 in ?? () from /usr/lib/libdbus-1.so.3 #12 0xb7e3aff4 in ?? () from /usr/lib/libdbus-1.so.3 #13 0x087352d8 in ?? () #14 0xbf89ad78 in ?? () #15 0xb7e11eb3 in ?? () from /usr/lib/libdbus-1.so.3 #16 0x087352d8 in ?? () #17 0x087364d8 in ?? () #18 0x00000000 in ?? () HAL 0.5.12rc1 ============== prefix: /usr libdir: ${exec_prefix}/lib libexecdir: ${exec_prefix}/libexec bindir: ${exec_prefix}/bin sbindir: ${exec_prefix}/sbin datadir: ${datarootdir} sysconfdir: /etc localstatedir: /var docdir: /usr/doc/hal-0.5.12rc1 dbus-1 system.d dir: /etc/dbus-1/system.d pci.ids dir: /usr/share usb.ids dir: /usr/share compiler: gcc cflags: -O2 -march=i486 -mtune=i686 -Wall -Wchar-subscripts -Wmissing-declarations -Wnested-externs -Wpointer-arith -Wcast-align -Wsign-compare ldflags: -Wl,--as-needed cppflags: xmlto: /usr/bin/xmlto xmllint: /usr/bin/xmllint User for HAL: haldaemon Group for HAL: haldaemon hald pidfile: /var/run/hald.pid hald socket dir: /var/run/hald eject program: /usr/bin/eject OS backend: linux use acpi kernel interface: yes use acpid interface: yes use libusb: yes use libpci: yes use libparted: yes use gperf: yes use PolicyKit: no use ConsoleKit: yes use ACL management: no use umount.hal helper: yes use ACPI: yes use PMU: yes use APM: yes use Sony PIC: yes Macbook backlight support: yes (Linux only, x86 only, requires libpci) Macbook Pro utils: yes (Linux only, x86 only, requires libpci) iMac backlight support: yes (Linux only, x86) OMAP utils: no (Linux only, arm only) CPU frequency scaling: yes (Linux only) Re-map multimedia keys: yes (Linux only, requires gperf) Forward IBM ACPI events: no (Linux only) Forward Toshiba ACPI events: no (Linux only) USB wireless mouse power: yes (Linux only, requires libusb) Dell Backlight: no (Linux only, requires libsmbios >= 0.13.4) Support deprecated(removed) keys: no (via a FDI-file) Maintainer mode: no Building verbose mode: yes Building api docs: yes Building docs: yes Building man pages: yes
I've the same problem. Yesterday I tried to setup new RAID10 array and hald (0.5.11) crashed immediately, however I'm not sure that it's caused by raid itself or because I used partitioned raid (I noticed that in your case it also crashed just after detecting /dev/md1p1). I suppose it's the latter since in other case this topic would be flooded right now. Anyway I'm going to confirm that later.
This should be fixed now by: http://cgit.freedesktop.org/hal/commit/?id=b35bf1fbfc000749010a27f3f35a95ddf6bb0b07
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