Messages in this thread | | | From | Kumar Gala <> | Subject | Re: LTP 20080131 causes defunct processes w/2.6.30-rc1 (possible ptrace issue?) | Date | Thu, 9 Apr 2009 15:28:31 -0500 |
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On Apr 9, 2009, at 2:49 PM, Sukadev Bhattiprolu wrote:
> Kumar Gala [galak@kernel.crashing.org] wrote: >> >> On Apr 9, 2009, at 10:43 AM, Kumar Gala wrote: >> >>> I'm seeing some weird behavior in 2.6.30-rc1 that didn't exist in >>> 2.6.29. >>> We have a slightly older LTP version (20080131) that we run on some >>> embedded PPC boards. If I run the syscall tests on 2.6.29 things >>> pass as > > Will try to repro on a normal machine, but can you attach the /proc/ > pid/status > (and possibly the stack) of the parent of the 'recv01' ?
Name: recv01 State: Z (zombie) Tgid: 2449 Pid: 2449 PPid: 1 TracerPid: 0 Uid: 0 0 0 0 Gid: 0 0 0 0 FDSize: 0 Groups: 0 1 2 3 4 6 10 Threads: 1 SigQ: 8/16384 SigPnd: 0000000000000000 ShdPnd: 0000000000004100 SigBlk: 0000000000000000 SigIgn: 0000000000000000 SigCgt: 0000000000000000 CapInh: 0000000000000000 CapPrm: fffffffffffffeff CapEff: fffffffffffffeff CapBnd: fffffffffffffeff voluntary_ctxt_switches: 6 nonvoluntary_ctxt_switches: 0
If you have suggestion on how to dump the stack I can provide that as well.
> If the parent is 'init', is there anything special about the init on > your board > or on the simulator - like are you running the tests in a container ?
Its an old init from fedora 3 or something like that. Its not running in any special way (not container, no hypervisor, etc.)
- k
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