From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Smolik Date: Fri, 09 Mar 2007 21:49:32 +0000 Subject: Re: Dead lock with 2.6.20 Message-Id: <45F1D66C.6030703@mydatex.cz> List-Id: References: <45F1C172.60103@systella.fr> In-Reply-To: <45F1C172.60103@systella.fr> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: sparclinux@vger.kernel.org BERTRAND Jo=EBl napsal(a): > Daniel Smolik a =E9crit : >=20 >> BERTRAND Jo=EBl napsal(a): >> >>> Hello, >>> >>> I have seen a very strange deadlock on a UltraSPARC 2 workstation=20 >>> (2 UltraSPARC-II/296 MHz, 2048 MB, framebuffer Creator3D on UPA slot,=20 >>> 2 73 GB SCA disks that form a raid1 array). >>> >>> Hardware sounds good and I have tested it with SUNvts during two=20 >>> days without any failure. >>> >>> This workstation is a mail server and runs with Debian/testing,=20 >>> kernel 2.6.20. It's a NIS and NFSv3/TCP clients. Its uptime was more=20 >>> than 9 days and it hangs without any message in the log, without=20 >>> panic and without oops. When it hangs, the queue of sendmail was=20 >>> about 3 GB due to a failure of a internet peering. I have rebooted=20 >>> the workstation (power button :-( ). You can find my .config at >>> >>> http://rayleigh.systella.fr/~bertrand/config-sun4u-2.6.20.gz >>> >>> I don't know how debug this bug... >> >> Hi, >> do you have attached console ? >=20 >=20 > No... I don't have any console. >=20 >> Do you try STOP-A ? >=20 >=20 > Stop+A doesn't help. I have tried, of course ;-) >=20 >> I have similar problem on E450 tomorrow. After each second reboot=20 >> system hang and I can't STOP-A. Only power-off helps. System hang=20 >> after udev insert sg module. I disable udev and this solve my problem. >=20 >=20 > Do you think that /etc/init.d/udev stop can solve this trouble ? I turn off udev now and it helps. Test if have or not inserted sg module. Dan