From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?UTF-8?B?VG9yYWxmIEbDtnJzdGVy?= <toralf.foerster@gmx.de>
Subject: Re: trinity 1.1-677-g7bbde28 just hangs after creating fd and sockets
 in a user mode linux
Date: Fri, 30 Aug 2013 18:15:21 +0200
Message-ID: <5220C519.8080301@gmx.de>
References: <5220C024.3070503@gmx.de> <20130830155759.GA24496@redhat.com>
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To: Dave Jones <davej@redhat.com>
Cc: trinity@vger.kernel.org

On 08/30/2013 05:57 PM, Dave Jones wrote:
> On Fri, Aug 30, 2013 at 05:54:12PM +0200, Toralf F=C3=B6rster wrote:
>  > the last lines are :
>  >=20
>  > fd[376] =3D domain:1 (PF_LOCAL) type:0x5 protocol:1
>  > fd[377] =3D domain:2 (PF_INET) type:0x2 protocol:17
>  > fd[378] =3D domain:10 (PF_INET6) type:0x1 protocol:0
>  > fd[379] =3D domain:1 (PF_LOCAL) type:0x1 protocol:1
>  > fd[380] =3D domain:2 (PF_INET) type:0x1 protocol:0
>  > created 375 sockets
>  > fd[380] =3D domain:2 (PF_INET) type:0x1 protocol:0
>  > created 375 sockets
>  > fd[5] =3D pipe
>  > fd[381] =3D pipe
>  > fd[382] =3D pipe
>  > fd[383] =3D pipe
>  >=20
>  > thats' all,  a
>  > $> ps axf | grep trinity | grep -v grep
>  >=20
>  > just gives
>  >=20
>  > $ ssh tfoerste@trinity "ps axf | grep trinity | grep -v grep"
>  >  1072 ?        Ss     0:00  |       \_ bash -c cd ~; sudo su -c 'i=
f [[ -d ./t3 ]]; then chmod -R a+rwx ./t3; rm -rf ./t3; fi'; mkdir ./t3=
; cd ./t3; logger M=3D; if [[ -n "" ]]; then if [[ -d /victims/v1 ]]; t=
hen sudo chmod -R a+rwx /victims/v1; sudo rm -rf /victims/v1; fi; mkdir=
 -p /victims/v1/v2; for i in $(seq -w 1 100); do touch /victims/v1/v2/f=
$i 2>/dev/null; mkdir /victims/v1/v2/d$i 2>/dev/null; done; fi;  trinit=
y -C 1 -N 10000
>  >  1080 ?        S      0:00  |           \_ trinity -C 1 -N 10000
>  >  1081 ?        S      0:00  |               \_ trinity -C 1 -N 100=
00
>  >  1082 ?        R      2:37  |               \_ trinity -C 1 -N 100=
00
>  >=20
>  > $ ssh tfoerste@trinity "ls -l ~/t3/*log"
>  > -rw-r--r-- 1 tfoerste users     0 Aug 30 17:49 /home/tfoerste/t3/t=
rinity-child0.log
>  > -rw-r--r-- 1 tfoerste users 19610 Aug 30 17:49 /home/tfoerste/t3/t=
rinity.log
>  >=20
>  >=20
>  > Because I updated both trinity and the UML kernel I'm unsure were =
to start
>=20
> ah, I think I know what's up here. It's hanging just before it tries =
to create
> some 'perf' fds. I bet that either you have that config'd off in your=
 uml kernel,
> or uml doesn't support perf.
>=20
> I'll add some error handling later today.
>=20
> 	Dave
> =20
>=20
Thx - in deed I do not have PERF in UML (enabled).


--=20
MfG/Sincerely
Toralf F=C3=B6rster
pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3