Date: Thu, 6 Jan 2011 14:26:32 +0200 From: Kostik Belousov <kostikbel@gmail.com> To: Lev Serebryakov <lev@freebsd.org> Cc: "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org> Subject: Re: FreeBSD 8.2-PRERELEASE hangs under load with "live" kernel Message-ID: <20110106122632.GO12599@deviant.kiev.zoral.com.ua> In-Reply-To: <1608571029.20110106133145@serebryakov.spb.ru> References: <1608571029.20110106133145@serebryakov.spb.ru>
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--lLR1BQqf7txDtYcF Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jan 06, 2011 at 01:31:45PM +0300, Lev Serebryakov wrote: > Hello, Freebsd-stable. >=20 > I've added torrent client (transmission) to software on my home > server and it starts to hang in very unusual way: kernel works but > userland doesn't. >=20 > I can ping it (and it answers). I can scroll console with > "scrolllock" button and keys. I can break into debugger with > Ctrl+SysReq and it shows, that one CPU is occupied by idle process and > other by "Giant tasq", but no userland processes answer: I can not > ssh to it, I cannot login on console, samba is dead, etc. >=20 > "ps" in kernel debugger shows, that many of processes in "pfault" > state, and noting more "special". >=20 > memtest86+ doesn't show any errors after 8 passes of tests (about > 10 hours), so RAM looks Ok. >=20 > What should I do in kdb to understand what happens? >=20 > Kernel config and /var/run/dmesg.boot is attached. http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kernel= debug-deadlocks.html --lLR1BQqf7txDtYcF Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (FreeBSD) iEYEARECAAYFAk0ltPgACgkQC3+MBN1Mb4hAWwCfR7NEV7956dk02hAdeZu2LjLu bNMAoMix6mFxq7lL3mQ0btSuGbMN1xmx =dEsS -----END PGP SIGNATURE----- --lLR1BQqf7txDtYcF--
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