[openssl-dev] [openssl.org #4411] VIA C7-D processor: Hang in 30-test_afalg.t

noloader@gmail.com via RT rt at openssl.org
Sun Mar 13 06:29:14 UTC 2016


>> It looks like the hang is still present as of 603358d.
>>
>> When the following runs:
>>
>>     ../test/recipes/30-test_afalg.t
>>
>> What is actually running? How can I get it under a debugger?
>
>
> $ ./config -d
> $ make
> $ make test/afalgtest
> $ cd test
> $ OPENSSL_ENGINES=../engines/afalg gdb ./afalgtest

OK, I've got two hung processes from two attempts to debug this:

    $ ps -A | grep afalgtest
     1030 pts/0    00:00:00 afalgtest
     1196 pts/0    00:00:00 afalgtest

Both appear to be hanging in syscall 248:

    via:test$ sudo cat /proc/1030/syscall
    248 0xb7fd6000 0x1 0xbfff98d4 0xb7fb9270 0xbfff98e0 0xb7ec45f7
0xbfff986c 0xb7fdbbe8
    $ sudo cat /proc/1196/syscall
    248 0xb7fd6000 0x1 0xbfff98d4 0xb7fb9270 0xbfff98e0 0xb7ec45f7
0xbfff986c 0xb7fdbbe8

According to:

    $ lsb_release -a
    No LSB modules are available.
    Distributor ID:    Ubuntu
    Description:    Ubuntu 15.10
    Release:    15.10
    Codename:    wily

And:

    $ uname -a
    Linux via 4.2.0-30-generic #36-Ubuntu SMP Fri Feb 26 00:57:19 UTC
2016 i686 i686 i686 GNU/Linux

So I have a Lubuntu 15 machine (it supports the VIA PM400 graphics
chipset) with a 4.2.0 kernel. According to
http://lxr.free-electrons.com/source/include/linux/syscalls.h?v=4.2,
its hanging in `sys_acct`.

Any ideas why this would be hanging in sys_acct?

Jeff


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