Strange problem of dbus in my arm system

[Trilok Soni]

Hi Joao,

On Wed, Mar 19, 2008 at 3:39 PM, João Ramos <joao.ramos at inov.pt> wrote:
> Trilok Soni escreveu:
>
>
> > Hi
>  >
>  > On Mon, Mar 17, 2008 at 11:22 PM, João Ramos <joao.ramos at inov.pt> wrote:
>  >
>  >> Hi,
>  >>
>  >>  I'm new to this mailing list, as I have come across an issue that was already reported in this mailing list. The following message is the original request.
>  >>  I'm trying to compile DBus and Bluez for an EP9315 ARM920t processor, and I'm having the same problem. I've enabled verbose mode on Dbus and all I see, after a dump of messages, is that DBus segfaults when hcid process is launched...
>  >>  Has anyone figured out this problem?
>  >>
>  >>
>  >>  Original message:
>  >>
>  >>
>  >>  Hello.I have compiled dbus for arm in scratchbox.But when I ran command dbus-daemon --system,error appeared
>  >>  [root@(none) /]# dbus--daemon --system
>  >>  [root@(none) /]# dbus-monitor --system
>  >>  Failed to open connection to system message bus: Did not receive a reply. Possib
>  >>  le causes include: the remote application did not send a reply, the message bus
>  >>  security policy blocked the reply, the reply timeout expired, or the network con
>  >>  nection was broken
>  >>  I added messagebus user manually in /etc/passwd and /etc/group.
>  >>  In /etc/group,I added these
>  >>  messagebus:*:502:root
>  >>  haldaemon:x:68:
>  >>  avahi:x:70:
>  >>  In /etc/group,I added these
>  >>  messagebus:*:501:502:messagebus:/:/sbin/nologin
>  >>  haldaemon:x:68:68:HAL daemon:/:/sbin/nologin
>  >>  avahi:x:70:70:Avahi daemon:/:/sbin/nologin
>  >>  I copied dbus-cleanup-sockets, dbus-monitor dbus-daemon, dbus-send dbus-launch, and dbus-uuidgen
>  >>  to /usr/bin and copied libdbus-1.so ,libdbus-1.so.3  and libdbus-1.so.3.2.0 in /usr/lib in my target file
>  >>  system.Because I use scram file system and files can be read only in flash,I created a link to /var/bdus-1 in /etc and
>  >>  var was mount point in form of ramfs therefore only it could be changed in my file system.
>  >>  I want to embed bluez in arm which uses dbus.After I ran dbus-daemon --system ,I ran hcid -n and error message appeared as
>  >>  well.
>  >>  hcid[481]: Bluetooth HCI daemon
>  >>  hcid[481]: Can't connect to system message bus: Did not receive a reply. Possibl
>  >>  e causes include: the remote application did not send a reply, the message bus s
>  >>  ecurity policy blocked the reply, the reply timeout expired, or the network conn
>  >>  ection was broken.
>  >>  hcid[481]: Unable to get on D-Bus
>  >>  Can I anyonet help me to figure out the problem? I will be very grateful for your help.
>  >>
>  >>
>  >
>  > Could you please disable the optimization while compiling dbus
>  > library, make it -O0?
>  >
>  > It worked for me on ARM9 based TI DaVinci board.
>  >
>  >
>  Thank you, I had already seen that solution in another forum, and I have
>  just finished testing it. It works!
>  Thanks anyway.

Good to see that disabling optimization make it work on your platform.
Happy Hacking !!!

-- 
---Trilok Soni
http://triloksoni.wordpress.com