Re: libc6 and X11 seem not to work together
----- Original Message ----
> From: ael <email@example.com>
> To: firstname.lastname@example.org
> 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
> > 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 :-)
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
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