Bug#595483: kde: KDE4 Crashes system

2011-02-07 Thread Leslie Rhorer
I believe this bug report can be closed.  I've upgraded two systems to the
stable release, and both have been up for more than 24 hours without a
failure.  One system has been up nearly 3 days.




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Bug#595483: kde: KDE4 Crashes system

2010-09-04 Thread lrhorer
Package: kde
Version: KDE4
Severity: critical
Justification: breaks the whole system

KDE4 invariably crashes the system.  This system is running on an AMD Athlon 64
x 2 processer under Debian Squeeze and kernel 2.6.32-3-amd64.  The same
symptoms (only worse) are also observed on a Pentium IV system running
2.6.32-trunk-686.  One can log in via kdm  and bring up KDE4, but sooner or
later - usually within an hour or two, the system will crash hard.  One then
cannot reach the system via telnet, XDMCP, or from the console.  Often, it will
not even reply to pings.  The only option is to hit the power switch.  If no
KDE session is active, both machines are 100% stable, up continuously for
months at a time without issues.  If a KDE4 session is active, then after
between 30 minutes and 24 hours, the system will crash.  No activity is
required on the KDE session for the failure to occur, but it seems that
changing window foocus often triggers an event.



-- System Information:
Debian Release: squeeze/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-3-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages kde depends on:
pn  kde-core  none (no description available)
pn  kdeaccessibility  none (no description available)
pn  kdeaddons none (no description available)
pn  kdeadmin  none (no description available)
pn  kdeartworknone (no description available)
pn  kdeedunone (no description available)
pn  kdegames  none (no description available)
pn  kdegraphics   none (no description available)
pn  kdemultimedia none (no description available)
pn  kdenetworknone (no description available)
pn  kdepimnone (no description available)
pn  kdetoys   none (no description available)
pn  kdeutils  none (no description available)
pn  kdewebdev none (no description available)

kde recommends no packages.

Versions of packages kde suggests:
pn  kde-i18n  none (no description available)
pn  x-window-system-core  none (no description available)



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Bug#595483: kde: KDE4 Crashes system

2010-09-04 Thread George Kiagiadakis
severity 595483 normal
thanks

On Sat, Sep 4, 2010 at 2:46 PM, lrhorer lrho...@fletchergeek.com wrote:
 Package: kde
 Version: KDE4
 Severity: critical
 Justification: breaks the whole system

 KDE4 invariably crashes the system.  This system is running on an AMD Athlon 
 64
 x 2 processer under Debian Squeeze and kernel 2.6.32-3-amd64.  The same
 symptoms (only worse) are also observed on a Pentium IV system running
 2.6.32-trunk-686.  One can log in via kdm  and bring up KDE4, but sooner or
 later - usually within an hour or two, the system will crash hard.  One then
 cannot reach the system via telnet, XDMCP, or from the console.  Often, it 
 will
 not even reply to pings.  The only option is to hit the power switch.  If no
 KDE session is active, both machines are 100% stable, up continuously for
 months at a time without issues.  If a KDE4 session is active, then after
 between 30 minutes and 24 hours, the system will crash.  No activity is
 required on the KDE session for the failure to occur, but it seems that
 changing window foocus often triggers an event.


This is most likely due to a faulty gpu driver. I guess you are using
amd's proprietary fglrx driver? I have seen such issues in the past
with this driver. KDE has no way to lock the system, if a system lock
happens this is a problem deep in the kernel or some of its modules.

Btw, both of these kernels that you are using are out-of-date. The
latest squeeze kernel is 2.6.32-5-amd64. I advise you to upgrade to
this kernel and uninstall any proprietary graphics drivers.



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Bug#595483: kde: KDE4 Crashes system

2010-09-04 Thread Leslie Rhorer
 -Original Message-
 From: George Kiagiadakis [mailto:kiagiadakis.geo...@gmail.com]
 Sent: Saturday, September 04, 2010 7:06 AM
 To: lrhorer; 595...@bugs.debian.org
 Cc: cont...@bugs.debian.org
 Subject: Re: Bug#595483: kde: KDE4 Crashes system
 
 severity 595483 normal
 thanks
 
 On Sat, Sep 4, 2010 at 2:46 PM, lrhorer lrho...@fletchergeek.com wrote:
  Package: kde
  Version: KDE4
  Severity: critical
  Justification: breaks the whole system
 
  KDE4 invariably crashes the system.  This system is running on an AMD
 Athlon 64
  x 2 processer under Debian Squeeze and kernel 2.6.32-3-amd64.  The
 same
  symptoms (only worse) are also observed on a Pentium IV system running
  2.6.32-trunk-686.  One can log in via kdm  and bring up KDE4, but sooner
 or
  later - usually within an hour or two, the system will crash hard.  One
 then
  cannot reach the system via telnet, XDMCP, or from the console.  Often,
 it will
  not even reply to pings.  The only option is to hit the power switch.
  If no
  KDE session is active, both machines are 100% stable, up continuously
 for
  months at a time without issues.  If a KDE4 session is active, then
 after
  between 30 minutes and 24 hours, the system will crash.  No activity is
  required on the KDE session for the failure to occur, but it seems that
  changing window foocus often triggers an event.
 
 
 This is most likely due to a faulty gpu driver. I guess you are using
 amd's proprietary fglrx driver? I have seen such issues in the past
 with this driver. KDE has no way to lock the system, if a system lock
 happens this is a problem deep in the kernel or some of its modules.
 
 Btw, both of these kernels that you are using are out-of-date. The
 latest squeeze kernel is 2.6.32-5-amd64. I advise you to upgrade to
 this kernel and uninstall any proprietary graphics drivers.

A normal severity for a bug that causes the system to be
completely unusable when the package is in use?  That locks up the system
like Fort Knox?  That causes data loss if any files are still open?  I'm
hard pressed to think of a more severe problem.

There are no proprietary gpu drivers, and please re-read the post.
One of the systems is Intel.  Both systems were upgraded from Debian Lenny
with no problems whatsoever running KDE3.  Neither has any problem running
gnome.  KDE4 was so unusable on the Pentium system I wiped the drive and
installed fresh from the Squeeze installer.  It didn't help.  Both use the
graphics processors embedded on the motherboard, with plain-vanilla Debian
installations straight from the Debian install CD.  The Pentium system is an
old Dell Optiplex GX-1 system, which is about as Plain Jane Intel as it
gets.  The AMD is over a year old.  All of the software on both machines -
other than that I have written myself - is straight from the Debian
repositories.

I'll try upgrading the kernel on the AMD system.  The Pentium is not
local to me, and an upgrade failure would probably be unrecoverable.




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Bug#595483: kde: KDE4 Crashes system

2010-09-04 Thread George Kiagiadakis
On Sat, Sep 4, 2010 at 3:32 PM, Leslie Rhorer lrho...@fletchergeek.com wrote:
        A normal severity for a bug that causes the system to be
 completely unusable when the package is in use?  That locks up the system
 like Fort Knox?  That causes data loss if any files are still open?  I'm
 hard pressed to think of a more severe problem.

It is a serious problem, but it is not related to the 'kde' package
where you reported it. The 'kde' package is a metapackage from lenny
and does not even exist in squeeze. The most likely cause of the bug
is the kernel, so this bug should eventually be reasigned there and
have its severity raised, however I cannot do that until the problem
has been fully identified.

        There are no proprietary gpu drivers, and please re-read the post.
 One of the systems is Intel.  Both systems were upgraded from Debian Lenny
 with no problems whatsoever running KDE3.  Neither has any problem running
 gnome.  KDE4 was so unusable on the Pentium system I wiped the drive and
 installed fresh from the Squeeze installer.  It didn't help.  Both use the
 graphics processors embedded on the motherboard, with plain-vanilla Debian
 installations straight from the Debian install CD.  The Pentium system is an
 old Dell Optiplex GX-1 system, which is about as Plain Jane Intel as it
 gets.  The AMD is over a year old.  All of the software on both machines -
 other than that I have written myself - is straight from the Debian
 repositories.

An intel system can have an amd graphics card, this is not uncommon. I
still believe the problem is in graphics drivers, though. Even if
these are the free intel or radeon drivers. Radeon drivers are known
to lock up if their non-free firmware is missing, perhaps you should
make sure to install firmware-linux-nonfree and I'm not sure about the
intel drivers (never had one of those). Anyway, the kernel upgrade may
help, since the -5- version of this kernel has all the graphics
drivers backported from 2.6.33.

PS: Do not keep cont...@bugs.debian.org in CC, it will just send you
back an email full of errors, since you are not following its syntax
in the email (it is a bot).



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Bug#595483: kde: KDE4 Crashes system

2010-09-04 Thread Leslie Rhorer
 -Original Message-
 From: George Kiagiadakis [mailto:kiagiadakis.geo...@gmail.com]
 Sent: Saturday, September 04, 2010 7:48 AM
 To: Leslie Rhorer
 Cc: 595...@bugs.debian.org
 Subject: Re: Bug#595483: kde: KDE4 Crashes system
 
 On Sat, Sep 4, 2010 at 3:32 PM, Leslie Rhorer lrho...@fletchergeek.com
 wrote:
         A normal severity for a bug that causes the system to be
  completely unusable when the package is in use?  That locks up the
 system
  like Fort Knox?  That causes data loss if any files are still open?  I'm
  hard pressed to think of a more severe problem.
 
 It is a serious problem, but it is not related to the 'kde' package
 where you reported it. The 'kde' package is a metapackage from lenny
 and does not even exist in squeeze. The most likely cause of the bug
 is the kernel, so this bug should eventually be reasigned there and
 have its severity raised, however I cannot do that until the problem
 has been fully identified.

OK.

         There are no proprietary gpu drivers, and please re-read the
 post.
  One of the systems is Intel.  Both systems were upgraded from Debian
 Lenny
  with no problems whatsoever running KDE3.  Neither has any problem
 running
  gnome.  KDE4 was so unusable on the Pentium system I wiped the drive and
  installed fresh from the Squeeze installer.  It didn't help.  Both use
 the
  graphics processors embedded on the motherboard, with plain-vanilla
 Debian
  installations straight from the Debian install CD.  The Pentium system
 is an
  old Dell Optiplex GX-1 system, which is about as Plain Jane Intel as it
  gets.  The AMD is over a year old.  All of the software on both machines
 -
  other than that I have written myself - is straight from the Debian
  repositories.
 
 An intel system can have an amd graphics card, this is not uncommon. I

As I said, neither has a graphics card, and I certainly have never
seen an Intel motherboard with an AMD GPU.  I would think the execs at Intel
would rather have their nards shredded than use an AMD product on one of
their motherboards.  Come to think of it, however, would the GPU or its
drivers even have any effect on XDMCP?  I'm not an expert on X11, but I
don't think X11 makes use of any local GPU resources - hardware or software
- when the X-server is remote, does it?  That, along with the fact the GPUs
are as different as can be would seem to tend to eliminate the GPUs or their
drivers as the source of the issue.

That said, on a note related to the Intel GPU, I did have to disable
the i915 modeset in /etc/modeprobe.d/i915-kms.conf on the Pentium system or
else it would not boot without a monitor.  As I recall, the video driver
installed by Debian is xserver-xorg-video-intel.  (Oh, BTW, I mis-spoke a
bit:  It's a GX-260, not a GX-1.)

On what I don't think is a related note - but could be - KDM does
not come up on the console of the AMD machine.  The console never switches
to the graphical interface.  I'm not sure why, but since I never use the
console, I really haven't worried about it.  I don't recall exactly when
this broke.  I don't think it was during the upgrade to Squeeze / KDE4,
but I could be mistaken.  It definitely worked under Lenny, however.

 still believe the problem is in graphics drivers, though. Even if
 these are the free intel or radeon drivers. Radeon drivers are known
 to lock up if their non-free firmware is missing, perhaps you should
 make sure to install firmware-linux-nonfree and I'm not sure about the

I don't follow.  The embedded controller on the Asus MB is a Radeon
HD 3200, though.




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