From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxim Uvarov Subject: !CONFIG_PREEMPT_RT + CONFIG_PREEMPT_HARDIRQ Date: Fri, 22 Oct 2010 14:01:12 +0400 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Cc: mingo To: linux-rt-users@vger.kernel.org Return-path: Received: from mail-gx0-f174.google.com ([209.85.161.174]:56585 "EHLO mail-gx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753890Ab0JVKBN (ORCPT ); Fri, 22 Oct 2010 06:01:13 -0400 Received: by gxk23 with SMTP id 23so240399gxk.19 for ; Fri, 22 Oct 2010 03:01:13 -0700 (PDT) Sender: linux-rt-users-owner@vger.kernel.org List-ID: Hello everybody, Can you please write few words about !CONFIG_PREEMPT_RT + CONFIG_PREEMPT_HARDIRQ configuration. Is it valid kernel configuration or supposed to be valid? Right now there is hung up in network: [ 2.339582] Sending BOOTP requests . [ 3.049748] ------------[ cut here ]------------ [ 3.050422] WARNING: at net/sched/sch_generic.c:259 dev_watchdog+0xb2/0x103() [ 3.050842] Hardware name: [ 3.051027] NETDEV WATCHDOG: eth0 (ne2k-pci): transmit queue 0 timed out [ 3.051423] Modules linked in: [ 3.051791] Pid: 4, comm: sirq-timer/0 Not tainted 2.6.33.7-rt29 #3 [ 3.052169] Call Trace: [ 3.052557] [] warn_slowpath_common+0x65/0x7c [ 3.052903] [] ? dev_watchdog+0xb2/0x103 [ 3.053200] [] warn_slowpath_fmt+0x24/0x27 [ 3.053507] [] dev_watchdog+0xb2/0x103 [ 3.053800] [] ? insert_work+0x41/0x49 [ 3.054093] [] ? spin_unlock_irqrestore+0xf/0x23 [ 3.054424] [] ? __queue_work+0x2f/0x34 [ 3.054715] [] run_timer_softirq+0x189/0x219 [ 3.055034] [] ? dev_watchdog+0x0/0x103 [ 3.055327] [] run_ksoftirqd+0xfa/0x1c8 [ 3.055619] [] ? run_ksoftirqd+0x0/0x1c8 [ 3.055913] [] kthread+0x5e/0x63 [ 3.056172] [] ? kthread+0x0/0x63 [ 3.056434] [] kernel_thread_helper+0x6/0x10 [ 3.056800] ---[ end trace f1189a061379ccfb ]--- [ 5.040078] . If it's not valid why not to fix Kconfig? -- Best regards, Maxim Uvarov