libc6 and X11 seem not to work together

Dear maintainers,

since the last upgrade (debian-amd64/sid) it is not more possible to start X.
It seems, libc6 is incompatible to the xserver-packages in debiansid

Backtrace:
0: /usr/bin/X11/X(xorg_backtrace+0x26) [0x4edfe6]
1: /usr/bin/X11/X(xf86SigHandler+0x39) [0x483699]
2: /lib/libc.so.6 [0x7f7e17a41db0]              
3: /usr/bin/X11/X(DGAAvailable+0x39) [0x4823c9]  
4: /usr/bin/X11/X(xf86DiDGAInit+0x30) [0x4ae200]
5: /usr/bin/X11/X(xf86CrtcScreenInit+0x10d) [0x4aafad]
6: /usr/lib/xorg/modules/drivers//radeon_drv.so [0x7f7e15e26a49]
7: /usr/bin/X11/X(AddScreen+0x1c6) [0x432ac6]                  
8: /usr/bin/X11/X(InitOutput+0x241) [0x46d361]                  
9: /usr/bin/X11/X(main+0x200) [0x4331d0]                        
10: /lib/libc.so.6(__libc_start_main+0xe6) [0x7f7e17a2e5c6]    
11: /usr/bin/X11/X [0x432819]        


For me it looks like Xorg gets a problem with the latest libc6-version from
sid. Can someone confirm this ?

Another info: It might not appear on every computer. Mine is working fine
(amd64 + Nvidia-driver), but the one from a friend (amd64 + ati-driver) causes
the message above.

Should I file a bugreport?

Greets

Hans


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[Adam Stiles]

On Wednesday 30 Sep 2009, Hans-J. Ullrich wrote:

> Dear maintainers,
>
> since the last upgrade (debian-amd64/sid) it is not more possible to start
> X. It seems, libc6 is incompatible to the xserver-packages in debiansid
> ..... [stuff deleted] .....
> Another info: It might not appear on every computer. Mine is working fine
> (amd64 + Nvidia-driver), but the one from a friend (amd64 + ati-driver)
> causes the message above.
>
> Should I file a bugreport?

Only file a bug report if it fails with an "untainted" kernel, i.e. one with
only Open Source drivers in it.

You could file a bug report against the caged ATI driver, for all the good
it's going to do you .....

--
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[thunder7]

From: Hans-J. Ullrich <hans.ullrich@...>
Date: Wed, Sep 30, 2009 at 03:47:39PM +0200

> Dear maintainers,
>
> since the last upgrade (debian-amd64/sid) it is not more possible to start X.
> It seems, libc6 is incompatible to the xserver-packages in debiansid
>
> Backtrace:
> 0: /usr/bin/X11/X(xorg_backtrace+0x26) [0x4edfe6]
> 1: /usr/bin/X11/X(xf86SigHandler+0x39) [0x483699]
> 2: /lib/libc.so.6 [0x7f7e17a41db0]              
> 3: /usr/bin/X11/X(DGAAvailable+0x39) [0x4823c9]  
> 4: /usr/bin/X11/X(xf86DiDGAInit+0x30) [0x4ae200]
> 5: /usr/bin/X11/X(xf86CrtcScreenInit+0x10d) [0x4aafad]
> 6: /usr/lib/xorg/modules/drivers//radeon_drv.so [0x7f7e15e26a49]
> 7: /usr/bin/X11/X(AddScreen+0x1c6) [0x432ac6]                  
> 8: /usr/bin/X11/X(InitOutput+0x241) [0x46d361]                  
> 9: /usr/bin/X11/X(main+0x200) [0x4331d0]                        
> 10: /lib/libc.so.6(__libc_start_main+0xe6) [0x7f7e17a2e5c6]    
> 11: /usr/bin/X11/X [0x432819]        
>
>
> For me it looks like Xorg gets a problem with the latest libc6-version from
> sid. Can someone confirm this ?
>
> Another info: It might not appear on every computer. Mine is working fine
> (amd64 + Nvidia-driver), but the one from a friend (amd64 + ati-driver) causes
> the message above.
>
> Should I file a bugreport?
>

I'm not sure about the exact backtrace (I'm at work now) but I see the
same after an upgrade on my laptop, which runs Unstable/i386 2 days ago.
A signal-11 when starting X. I'm using a pretty default debian install,
with gnome, the default drivers (no binary drivers). It's not helping
that my laptop uses network-manager to get the wireless network running,
which won't work when X doesn't come up :-{

Jurriaan
--
It has a name, among the Voyani.
Lumina Arden. The light that burns.
You will feel its fire, Serra Diora.
        Michelle West - The Broken Crown


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Am Mittwoch 30 September 2009 schrieb Adam Stiles:

> Only file a bug report if it fails with an "untainted" kernel, i.e. one
>  with only Open Source drivers in it.
>
> You could file a bug report against the caged ATI driver, for all the good
> it's going to do you .....
>

The kernel is untainted, and are using the stock debian kernel. Although the
kernel seem not to cause the problem, as I also held back the older kernel
(which was running fine before) in case of problems, started with it and got
the same problem, too as with the new one.

Greets

Hans


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[Cédric Boutillier]

Hi,

The problem with the X server is due to a bug in the xserver-xorg-core
package in unstable (2:1.6.4-1). It has been reported several times (see
e.g.  #548716).

Downgrading to 2:1.6.3.901-1 from testing solves the problem
(temporarily).

Best,

        Cédric

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[ael-3]

Hans-J. Ullrich wrote:

> Dear maintainers,
>
> since the last upgrade (debian-amd64/sid) it is not more possible to start X.
> It seems, libc6 is incompatible to the xserver-packages in debiansid
>
> Backtrace:
> 0: /usr/bin/X11/X(xorg_backtrace+0x26) [0x4edfe6]
> 1: /usr/bin/X11/X(xf86SigHandler+0x39) [0x483699]
> 2: /lib/libc.so.6 [0x7f7e17a41db0]              
> 3: /usr/bin/X11/X(DGAAvailable+0x39) [0x4823c9]  
> 4: /usr/bin/X11/X(xf86DiDGAInit+0x30) [0x4ae200]
> 5: /usr/bin/X11/X(xf86CrtcScreenInit+0x10d) [0x4aafad]
> 6: /usr/lib/xorg/modules/drivers//radeon_drv.so [0x7f7e15e26a49]
> 7: /usr/bin/X11/X(AddScreen+0x1c6) [0x432ac6]                  
> 8: /usr/bin/X11/X(InitOutput+0x241) [0x46d361]                  
> 9: /usr/bin/X11/X(main+0x200) [0x4331d0]                        
> 10: /lib/libc.so.6(__libc_start_main+0xe6) [0x7f7e17a2e5c6]    
> 11: /usr/bin/X11/X [0x432819]        
>
>
> For me it looks like Xorg gets a problem with the latest libc6-version from
> sid. Can someone confirm this ?

I see something very similar on a testing/squeeze amd64 machine. But I
am seeing several problems on 2 i386 and amd64 testing machines which
all seem to be related to libc.so.6. On the i386 boxes this seems to
show up in very different circumstances. In "cdrom" which I have yet to
confirm is part of apt; & also in dd access to floppy discs. None of
these machines use a tainted kernel. Also it happens with both debian
kernels and also with the latest git stock kernels. So a kernel problem
is unlikely.

I have yet to investigate properly, partly because it was not obvious
how to track this down. I now have aptitude-dbg installed, and may find
time (very busy with other things) to see if I can use gdb to catch the
cdrom module and its segfault. Then I will have something useful to report.

In summary, I suspect a libc6 problem which is causing a variety of
programs to fail across a range of architectures and programs. Or a huge
coincidence. What mystified me was why I found no other reports of this
sort of thing. I am not sure when libc6 was updated in squeezew/testing,
but it was maybe over a month ago, and I have been seeing the cdrom
segfault for that sort of time. I didn't notice at first because it only
appeared in /var/log/messages.

The report from Hans gives me some assurance that I am not going mad :-)

ael


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[norv]

----- Original Message ----

> From: ael <law_ence.dev@...>
> To: debian-amd64@...
> Sent: Thursday, 1 October, 2009 8:29:47 PM
> Subject: Re: libc6 and X11 seem not to work together
>
> Hans-J. Ullrich wrote:
> > Dear maintainers,
> > since the last upgrade (debian-amd64/sid) it is not more possible to start X.
> It seems, libc6 is incompatible to the xserver-packages in debiansid
> >
> > Backtrace:
> > 0: /usr/bin/X11/X(xorg_backtrace+0x26) [0x4edfe6]
> > 1: /usr/bin/X11/X(xf86SigHandler+0x39) [0x483699]
> > 2: /lib/libc.so.6 [0x7f7e17a41db0]               3:
> /usr/bin/X11/X(DGAAvailable+0x39) [0x4823c9]  4:
> /usr/bin/X11/X(xf86DiDGAInit+0x30) [0x4ae200] 5:
> /usr/bin/X11/X(xf86CrtcScreenInit+0x10d) [0x4aafad]
> > 6: /usr/lib/xorg/modules/drivers//radeon_drv.so [0x7f7e15e26a49]
> > 7: /usr/bin/X11/X(AddScreen+0x1c6) [0x432ac6]                   8:
> /usr/bin/X11/X(InitOutput+0x241) [0x46d361]                  9:
> /usr/bin/X11/X(main+0x200) [0x4331d0]                        10:
> /lib/libc.so.6(__libc_start_main+0xe6) [0x7f7e17a2e5c6]     11: /usr/bin/X11/X
> [0x432819]        
> >
> > For me it looks like Xorg gets a problem with the latest libc6-version from
> sid. Can someone confirm this ?
>
> I see something very similar on a testing/squeeze amd64 machine. But I am seeing
> several problems on 2 i386 and amd64 testing machines which all seem to be
> related to libc.so.6. On the i386 boxes this seems to show up in very different
> circumstances. In "cdrom" which I have yet to confirm is part of apt; & also in
> dd access to floppy discs. None of these machines use a tainted kernel. Also it
> happens with both debian kernels and also with the latest git stock kernels. So
> a kernel problem is unlikely.
>
> I have yet to investigate properly, partly because it was not obvious how to
> track this down. I now have aptitude-dbg installed, and may find time (very busy
> with other things) to see if I can use gdb to catch the cdrom module and its
> segfault. Then I will have something useful to report.
>
> In summary, I suspect a libc6 problem which is causing a variety of programs to
> fail across a range of architectures and programs. Or a huge coincidence. What
> mystified me was why I found no other reports of this sort of thing. I am not
> sure when libc6 was updated in squeezew/testing, but it was maybe over a month
> ago, and I have been seeing the cdrom segfault for that sort of time. I didn't
> notice at first because it only appeared in /var/log/messages.
>
> The report from Hans gives me some assurance that I am not going mad :-)
>
> ael

I just upgraded my sid amd64 system yesterday and X is still working after reboot..

ii  libc6          2.9-26         GNU C Library: Shared libraries
ii  xserver-xorg-c 2:1.6.4-1      Xorg X server - core server

HTH
Norv



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[Timo-Tuomas Koivisto]

I tried twice to to install "testing". X failed to start the same
problems as mentioned in previous emails.

lib6 2.9-25
xserver-xorg-core 2:1.6.3.9.901-1

-Tipi


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[Michael-352]

From what Hans reported, it was my impression this is related to the Xorg Radeon (ati) drivers, not to NVidia or something else ?


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[norv]

 


>
> From what Hans reported, it was my impression this is related to the Xorg Radeon
> (ati) drivers, not to NVidia or something else ?
>
Yes, my system (working) runs Nvidia drivers, self-compiled 2.6.29 realtime kernel
Norv



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[ael-3]

Michael wrote:
> From what Hans reported, it was my impression this is related to the
> Xorg Radeon (ati) drivers, not to NVidia or something else ?

I used stock & debian kernels with no proprietary drivers. It failed
with just nv.

ael




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[Timo-Tuomas Koivisto]

On Fri, 2 Oct 2009, Norval Watson wrote:

>
>
>
>
>
>>
>> From what Hans reported, it was my impression this is related to the Xorg Radeon
>> (ati) drivers, not to NVidia or something else ?
>>
> Yes, my system (working) runs Nvidia drivers, self-compiled 2.6.29 realtime kernel
> Norv

I have Nvidia GeForce 7000M and it is not working.

I just installed Stable and everything works nicely. If I (just/only)
upgrade my system to Testing then the X does not work.

-Tipi

>
>
>
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[norv]

> >> From what Hans reported, it was my impression this is related to the Xorg
> Radeon
> >> (ati) drivers, not to NVidia or something else ?
> >>
> > Yes, my system (working) runs Nvidia drivers, self-compiled 2.6.29 realtime
> kernel
> > Norv
>
> I have Nvidia GeForce 7000M and it is not working.
>
> I just installed Stable and everything works nicely. If I (just/only)
> upgrade my system to Testing then the X does not work.
>

kernel 2.6.29.1-rt8-rt-200904211039 #1 SMP PREEMPT RT  x86_64 GNU/Linux
+++-==============-==============-============================================
ii  libc6          2.9-26         GNU C Library: Shared libraries
ii  nvidia-glx     180.44-2       NVIDIA binary Xorg driver
ii  xserver-xorg-c 2:1.6.4-1      Xorg X server - core server

I think the card is Nvidia 7600, system is current debian sid, but nvidia-glx might be one down from current
HTH
Norv


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[Mark Allums]

Norval Watson wrote:

>
>
>>>> From what Hans reported, it was my impression this is related to the Xorg
>> Radeon
>>>> (ati) drivers, not to NVidia or something else ?
>>>>
>>> Yes, my system (working) runs Nvidia drivers, self-compiled 2.6.29 realtime
>> kernel
>>> Norv
>> I have Nvidia GeForce 7000M and it is not working.
>>
>> I just installed Stable and everything works nicely. If I (just/only)
>> upgrade my system to Testing then the X does not work.
>>
>
> kernel 2.6.29.1-rt8-rt-200904211039 #1 SMP PREEMPT RT  x86_64 GNU/Linux
> +++-==============-==============-============================================
> ii  libc6          2.9-26         GNU C Library: Shared libraries
> ii  nvidia-glx     180.44-2       NVIDIA binary Xorg driver
> ii  xserver-xorg-c 2:1.6.4-1      Xorg X server - core server
>
> I think the card is Nvidia 7600, system is current debian sid, but nvidia-glx might be one down from current
> HTH
> Norv

The non-3D (default) nvidia drivers do not function properly with some
7600s, in particular, the 7600 GT.  I must use another driver with mine.
  I use the nvidia proprietary blob[0], it works fine.

Mark Allums

0. binary large object, packaged as a shell and perl script



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[Michael-352]

No problem here with stock kernel 2.6.30-1-amd64 and nvidia prop driver
ii  libc6               2.9-26              GNU C Library: Shared libraries
ii  nvidia-glx          185.18.36-2         NVIDIA binary Xorg driver
ii  nvidia-glx-ia32     185.18.36-2         NVIDIA binary driver 32bit libs
ii  xserver-xorg        1:7.4+4             the X.Org X server


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