On Tue, Sep 04, 2012 at 08:39:25AM +0200, Wilhelm wrote: > Am 03.09.2012 21:28, schrieb Herbert Poetzl: >> On Fri, Aug 31, 2012 at 09:19:52AM +0200, Wilhelm wrote: >>> Hi all, >>> as a last resort to stop upstart-based vserver it tries to >>> modifiy sendsigs to issue a >>> kill -9 1 >>> But this doesn't work from inside a vserver. >>> From host a vkill ... is ok. >>> Looks like the syscall is somehow redirected. >> kernel, patch and util-vserver version? > root@kmux-host:~# vserver-info > Versions: > Kernel: 3.4.5-030405-kmux-pae still leaves the patch version unclear, probably one of vs2.3.3.4, vs2.3.3.5, vs2.3.3.6 or vs2.3.3.7, where my bet would be on vs2.3.3.5 what is the kmux and pae extension? > VS-API: 0x00020308 > VCI: 0x0000000013001f01 > util-vserver: 0.30.216-pre3004; Aug 30 2012, 14:00:04 > Features: > CC: gcc, gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3 > CPPFLAGS: '' > CFLAGS: '-g -O2 -std=c99 -Wall -pedantic -W > -funit-at-a-time' > build/host: i686-pc-linux-gnu/i686-pc-linux-gnu > Use dietlibc: yes > Build C++ programs: > Build C99 programs: yes > Available APIs: v13,net,v21,v22,v23,netv2 > ext2fs Source: e2fsprogs > syscall(2) invocation: alternative > vserver(2) syscall#: 273/glibc > crypto api: nss > python bindings: yes > use library versioning: yes > Paths: > prefix: /usr > sysconf-Directory: /etc > cfg-Directory: /etc/vservers > initrd-Directory: $(sysconfdir)/init.d > pkgstate-Directory: ${prefix}/var/run/vservers > vserver-Rootdir: /vservers > Assumed 'SYSINFO' as no other option given; try '--help' for more > information. > root@kmux-host:~# >> and what config has the guest regarding init? > plain okay, will do some tests with the latest kernels in this regard, but I assume the guest is behaving like the host would, because the init process is protected against such signals (on host and guest) best, Herbert >>> Any hints to enable this? >> really depends on the kernel implementation, >> but usually you need to override checks in >> kill_something_info() >> HTH, >> Herbert >>> -- >>> Wilhelm > -- > Wilhelm