From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rustam Afanasyev Subject: Kernel 2.6.38.3 panic and hangs on network traffic Date: Thu, 21 Jul 2011 19:20:30 +0400 Message-ID: <4E2843BE.608@yandex.ru> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------010507030300050309080304" To: netdev@vger.kernel.org Return-path: Received: from forward4.mail.yandex.net ([77.88.46.9]:40613 "EHLO forward4.mail.yandex.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751498Ab1GUPaP (ORCPT ); Thu, 21 Jul 2011 11:30:15 -0400 Received: from smtp4.mail.yandex.net (smtp4.mail.yandex.net [77.88.46.104]) by forward4.mail.yandex.net (Yandex) with ESMTP id 9B8035025DD for ; Thu, 21 Jul 2011 19:20:31 +0400 (MSD) Received: from my1.home.rybnet.ru (unknown [46.47.9.0]) by smtp4.mail.yandex.net (Yandex) with ESMTPA id 2A1756498069 for ; Thu, 21 Jul 2011 19:20:31 +0400 (MSD) Sender: netdev-owner@vger.kernel.org List-ID: This is a multi-part message in MIME format. --------------010507030300050309080304 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi! I starting up new server for the test. It's task is terminate L2TP&PPTP users. And when i have opened server (NAS) for users - its crush quickly :( What it's could be? Hardware is Intel Q6600 with 4GB, Intel nic (igb from inel, latest, RSS enabled 4 queue per RX,TX on both nic). Software is accel-ppp and openl2tpd, ppp redirects to ifb(no ip is up on it, just shaping), ipset, iptables. If need more info - i can give it. Strange is - sometimes (mostly) i see panic, but sometime it's just hangs. Only reset helps... All IF'ses are IPV4. What on the users side - must be ipv4, but i think not the only... --------------010507030300050309080304 Content-Type: text/plain; name="trap.txt" Content-Transfer-Encoding: base64 Content-Disposition: inline; filename="trap.txt" WyA2MDg5LjM1ODUwMl0gQlVHOiB1bmFibGUgdG8gaGFuZGxlIGtlcm5lbCBOVUxMIHBvaW50 ZXIgZGVyZWZlcmVuY2UgYXQgICAgICAgICAgIChudWxsKQpbIDYwODkuMzYyNDgyXSBJUDog WzxmZmZmZmZmZmEwMjY0ZTI0Pl0gX19uZl9jb25udHJhY2tfY29uZmlybSsweDJiNC8weDQ4 MCBbbmZfY29ubnRyYWNrXQpbIDYwODkuMzYyNDgyXSBQR0QgMTE3ODIyMDY3IFBVRCAxMTc4 MjMwNjcgUE1EIDAKWyA2MDg5LjM2MjQ4Ml0gT29wczogMDAwMiBbIzFdIFNNUApbIDYwODku MzYyNDgyXSBsYXN0IHN5c2ZzIGZpbGU6IC9zeXMvZGV2aWNlcy92aXJ0dWFsL25ldC9wcHA2 L3VldmVudApbIDYwODkuMzYyNDgyXSBDUFUgMQpbIDYwODkuMzYyNDgyXSBNb2R1bGVzIGxp bmtlZCBpbjogYWN0X21pcnJlZCBhY3Rfc2tiZWRpdCBjbHNfdTMyIHNjaF9pbmdyZXNzIGFy YzQgZWNiIHBwcF9tcHBlIGwydHBfcHBwIGwydHBfbmV0bGluayBsMnRwZApbIDYwODkuMzYy NDgyXQpbIDYwODkuMzYyNDgyXSBQaWQ6IDAsIGNvbW06IGt3b3JrZXIvMDowIE5vdCB0YWlu 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