Date: Wed, 21 Apr 2010 15:34:52 GMT From: Gennady Kudryashoff <gennady@gmx.com> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/145918: After spontaneous ae0 "watchdog timeout", "stray Tx interrupt(s)", "size mismatch" messages, interface hangs up Message-ID: <201004211534.o3LFYqGI032718@www.freebsd.org> Resent-Message-ID: <201004211540.o3LFe2Wa068643@freefall.freebsd.org>
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>Number: 145918 >Category: kern >Synopsis: After spontaneous ae0 "watchdog timeout", "stray Tx interrupt(s)", "size mismatch" messages, interface hangs up >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Apr 21 15:40:02 UTC 2010 >Closed-Date: >Last-Modified: >Originator: Gennady Kudryashoff >Release: FreeBSD 7.3 Release >Organization: Federal Migration Service, Russia, Moscow branch >Environment: FreeBSD morannon.home 7.3-RELEASE FreeBSD 7.3-RELEASE #0: Sun Mar 21 06:15:01 UTC 2010 root@walker.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386 >Description: The box works as test NAT+Router+Firewall machine (AsusEEE PC 701), ae0 is internal network interface (ext is axe0). There are spontaneous messages like that: ae0: Size mismatch: TxS:384 TxD:14900 ae0: Received stray Tx interrupt(s). ae0: Size mismatch: TxS:392 TxD:12336 ae0: Size mismatch: TxS:388 TxD:29285 ae0: Size mismatch: TxS:368 TxD:28270 ae0: Size mismatch: TxS:400 TxD:14896 ae0: Size mismatch: TxS:382 TxD:25445 ae0: watchdog timeout - resetting. or ae0: watchdog timeout - resetting. or ae0: Size mismatch: TxS:384 TxD:2573 ae0: Received stray Tx interrupt(s). ae0: watchdog timeout - resetting. After that messages appears on console and dmesg, interface doesn't respond. The only solution is ifconfig ae0 down && ifconfig ae0 up to make it work properly. This behaviour is unpredictable on time and appears both under mid-heavy load and in idle state (no internal connections). Also, according to message in http://forums.freebsd.org/showthread.php?s=3a2a2318a953d85109318a2ca26f24f0&t=11528 such behaviour seems to appear on FreeBSD 8. I believe that a problem in the driver, because OpenBSD with different driver implementation (lii) and ArchLinux with 2.6.33 kernel works well. >How-To-Repeat: Install FreeBSD 7.3 on AsusEEE 701, and just wait some time (from 2h to 48h). >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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