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Date:      Tue, 8 Mar 2011 09:49:08 +0300
From:      Chagin Dmitry <dchagin@freebsd.org>
To:        Alexander Best <arundel@freebsd.org>
Cc:        freebsd-emulation@freebsd.org
Subject:   Re: regarding issues with futexes and multiple threads
Message-ID:  <20110308064908.GA4198@dchagin.static.corbina.ru>
In-Reply-To: <20110307153559.GA94499@freebsd.org>
References:  <20110303212051.GA54978@freebsd.org> <20110304061328.GA4073@dchagin.static.corbina.ru> <20110304110843.GA65337@freebsd.org> <20110304174637.GA8522@dchagin.static.corbina.ru> <20110307153559.GA94499@freebsd.org>

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On Mon, Mar 07, 2011 at 03:35:59PM +0000, Alexander Best wrote:
> On Fri Mar  4 11, Chagin Dmitry wrote:
>                 break;
> =20
>         case LINUX_FUTEX_LOCK_PI:
>=20
> ...then i ran chrome with some flash website. this was the dmesg output (=
well
> part of it):
>=20
> LINUX_FUTEX_WAIT_BITSET finished with error =3D 60
> LINUX_FUTEX_WAIT_BITSET finished with error =3D 60
> LINUX_FUTEX_WAIT_BITSET finished with error =3D 60
> LINUX_FUTEX_WAIT_BITSET finished with error =3D 60
> LINUX_FUTEX_WAIT_BITSET finished with error =3D 60
> LINUX_FUTEX_WAITL_IBNIUTXS_EFTU TfEiXn_iWsAhIeTd_ BwIiTtShE Te rfrionri s=
=3Dh ed6 0wi
> th error =3D 60
> LINUX_FUTEX_WAIT_BITSET finished with error =3D 60
> LINUX_FUTEX_WAIT_BITSET finished with error =3D 60
> LINUX_FUTEX_WAIT_BITSET finished with error =3D 60
> LINUX_FUTEX_WAIT_BITSET finished with error =3D 60
> LINUX_FUTEX_WAIT_BITSET finished with error =3D 60
> LINUX_FUTEX_WAIT_BITSET finished with error =3D 60
> LINUX_FUTEX_WAIT_BITSET finished with error =3D 60
> LINUX_FUTEX_WAIT_BITSET finished with error =3D 60

ETIMEDOUT, EINTR. it is expected.




> LINUX_FUTEX_WAIT_BITSET finished with error =3D 4
> LINUX_FUTEX_WAIT_BITSET finisLhIeNdU Xw_iFtUhT EeXr_rWoArI T=3D_ B4IT
> SET finished with erroLrI N=3DU X4_F
> UTEX_WAIT_BITSET finLiIsNhUeXd_ FwUiTtEhX _eWrArIoTr_ B=3DI T4SE
> T finished with errLoIrN U=3DX _4FU
> TEX_WAIT_BITSET finLiIsNhUeXd_ FwUiTtEhX _eWrArIoTr_ B=3DI T4SE
> T finished with erLrIoNrU X=3D_ F4UT
> EX_WAIT_BITSET finiLsIhNeUdX _wFiUtThE Xe_rWrAoIrT _=3DB I4TS
> ET finished with error =3D 4
>=20
> ... running the futex testsuite with #threads 1 and 32 showed no error =
=3D *
> output, but i'll try running the suite with more testcases in a minute.
>=20

--=20
Have fun!
chd

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