Re: [Bug 230877] Re: dbus inherits parent filedescriptors

2008-10-15 Thread Martin Pitt
NoOp [2008-10-15 16:32 -]:
 This update doesn't play well with my Initio SCSI card. Immediately
 following these updated today:
 
 Upgraded the following (Proposed) packages:
 dbus (1.1.20-1ubuntu3) to 1.1.20-1ubuntu3.2
 [...]
 Reset SCSI Bus ... 
 BUG: soft lockup - CPU#0 stuck for 11s! [modprobe:1583]
 
 Pid: 1583, comm: modprobe Not tainted (2.6.24-21-generic #1)
 EIP: 0060:[f896b0a2] EFLAGS: 0206 CPU: 0
 EIP is at initio_reset_scsi+0x52/0x70 [initio]
 EAX: fffee992 EBX: f7f64e78 ECX: a400 EDX: fffee9a6
 ESI: 000a EDI: f7f64f7c EBP: f7f64e78 ESP: f7fd7dc8
 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
 CR0: 8005003b CR2: b7e16040 CR3: 37fdd000 CR4: 06d0
 DR0:  DR1:  DR2:  DR3: 
 DR6: 0ff0 DR7: 0400
 [f896dc1b] initio_probe_one+0x67b/0x6d0 [initio]

Are you sure you didn't get similar things before? It doesn't look
related to any change in dbus or exiv.

Does it actually cause harm? It isn't a kernel crash or anything
like that, I thought it would only be a warning.

If you get that again, can you please look for the affected Pid: and
use ps aux|grep 1234 (with the pid number instead of 1234, of
course) to see which process got locked up?

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Re: [Bug 230877] Re: dbus inherits parent filedescriptors

2008-10-15 Thread NoOp
Will do.

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Re: [Bug 230877] Re: dbus inherits parent filedescriptors

2008-10-15 Thread NoOp
It was the libexiv2-2 (0.16-3ubuntu1) to 0.16-3ubuntu1.1 update that
also installed libkexiv2-3 as part of the update that created the
problem. I'll file a bug on that - sorry for the spam.

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RE: [Bug 230877] Re: dbus inherits parent filedescriptors

2008-09-05 Thread Markus Rechberger

--- Erik Frisk [EMAIL PROTECTED] schrieb:

 I'd like to bump this, problem still exists here.
 

I think the problem still exists if an application
opens a memory mapping to a v4l device and dbus forks
off afterwards.
This is moreover a design bug in that case and
applications should be pinned somewhere in order to
rebase the dbus or alsa (-only has the memory mapping
problem) implementation in the corresponding
applications, forking off before setting up mappings
will work fine.

Markus

 -- 
 dbus inherits parent filedescriptors
 https://bugs.launchpad.net/bugs/230877
 You received this bug notification because you are a
 direct subscriber
 of the bug.
 
 Status in D-Bus: Fix Released
 Status in “dbus” source package in Ubuntu: Fix
 Committed
 
 Bug description:
 Binary package hint: dbus
 
 When running mplayer the dbus library forks out the
 dbus-launcher which inherits the filedescriptors of
 mplayer.
 If one of those filedescriptors accesses a
 video4linux or DVB device the filehandle will be
 kept open. In case of multistandard devices which
 support analog TV or digital TV (or other modes)
 this will lock the device in the corresponding mode
 until someone kills the dbus daemon.
 
 Attached you can find a patch against the ubuntu
 dbus package
 
 English:
 http://ubuntuforums.org/showthread.php?t=652941
 German:

http://www.ubuntu-forum.de/artikel/29814/dbus-blockiert-datei-nach-mplayer-aufruf.html


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