[Vserver] warning: 2.6.15 and newer have static context issues

From: Martin Koniczek <martin_at_koniczek.de>
Date: Fri 27 Jan 2006 - 11:36:33 GMT
Message-ID: <43DA05C1.10809@koniczek.de>

hi,

the following was recently observed at least on the following
x86 platforms:

2.6.15-vs2.1.0.5 (gcc 3.4.4)
2.6.16-rc1-vs2.1.0.7 (gcc 4.0.3)

it does NOT happen under
2.6.14-vs2.1.0 (gcc 3.4.4)
patchlevels in between not tested yet.

symptons: context names stored in the kernel get corrupted,
rendering the vserver tools almost unusable, at least when not using any
legacy (tried 0.30.209 and 0.30.210)
vuname and vserver-info ... CONTEXT false simply fail

Bertl pinned it down to some kernel level issue:

Jan 27 12:03:32 moon kernel: vxD: __lookup_vx_info(#101):
ffff81007cb7f000[#101] /etc/vservers/test101
[cut]
Jan 27 12:03:32 moon kernel: vxD: __lookup_vx_info(#101):
ffff81007cb7f000[#101] /etc/vservers/tevt101
[cut]
Jan 27 12:03:32 moon kernel: vxD: __lookup_vx_info(#101):
ffff81007cb7f000[#101] /etc/vservers/tee}101

more info at:
http://vserver.13thfloor.at/Stuff/BUGHUNT/cohan-0001/klog.txt
http://vserver.13thfloor.at/Stuff/BUGHUNT/cohan-0001/klog2.txt

cu,
        cohan

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Received on Fri Jan 27 11:51:48 2006
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