Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965002AbWILIME (ORCPT ); Tue, 12 Sep 2006 04:12:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965146AbWILIME (ORCPT ); Tue, 12 Sep 2006 04:12:04 -0400 Received: from relay.uni-heidelberg.de ([129.206.100.212]:63618 "EHLO relay.uni-heidelberg.de") by vger.kernel.org with ESMTP id S965002AbWILIA3 (ORCPT ); Tue, 12 Sep 2006 04:00:29 -0400 Message-ID: <450668F0.6060805@uni-hd.de> Date: Tue, 12 Sep 2006 09:59:44 +0200 From: Martin Braun Reply-To: mbraun@uni-hd.de User-Agent: Thunderbird 1.5.0.5 (X11/20060719) MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: BUG: Kernel 2.6.17.x in free_uid ? Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4081 Lines: 121 Hello, after several crashes with Kernel 2.6.17.11, we switched back to 2.6.16.28 which runs now for 2 weeks w/o problems. IMHO there seems to be a bug in 2.6.17 series of the kernel. Any ideas how to narrow the problem down ? Here is my problem description: since our kernel-update from 2.6.16 (which was runnig 100d w/o any probs) to 2.6.17.11 we had two crashes on our squid and samba server. the kernel gets only to this output than freezes totally ... Aug 31 13:05:08 serv4 kernel: BUG: unable to handle kernel paging request at virtual address 00100104 Aug 31 13:05:08 serv4 kernel: printing eip: Aug 31 13:05:08 serv4 kernel: c0127b19 in System.map I have these corresponding addresses c0127a50 T find_user c0127ad0 T free_uid c0127b60 T alloc_uid c0127ca0 T switch_uid c0127cd0 t sig_ignored System-data: uname -a Linux serv4 2.6.17.11 #1 SMP Sun Aug 27 13:39:34 CEST 2006 i686 i686 i386 GNU/Linux #### lspci 0000:00:00.0 Host bridge: Intel Corporation 82875P/E7210 Memory Controller Hub (rev 02) 0000:00:01.0 PCI bridge: Intel Corporation 82875P Processor to AGP Controller (rev 02) 0000:00:03.0 PCI bridge: Intel Corporation 82875P/E7210 Processor to PCI to CSA Bridge (rev 02) 0000:00:1d.0 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #1 (rev 02) 0000:00:1d.1 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #2 (rev 02) 0000:00:1d.2 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI #3 (rev 02) 0000:00:1d.3 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #4 (rev 02) 0000:00:1d.7 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB2 EHCI Controller (rev 02) 0000:00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev c2) 0000:00:1f.0 ISA bridge: Intel Corporation 82801EB/ER (ICH5/ICH5R) LPC Interface Bridge (rev 02) 0000:00:1f.1 IDE interface: Intel Corporation 82801EB/ER (ICH5/ICH5R) IDE Controller (rev 02) 0000:00:1f.3 SMBus: Intel Corporation 82801EB/ER (ICH5/ICH5R) SMBus Controller (rev 02) 0000:00:1f.5 Multimedia audio controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) AC'97 Audio Controller (rev 02) 0000:01:00.0 VGA compatible controller: ATI Technologies Inc Radeon RV100 QY [Radeon 7000/VE] 0000:02:01.0 Ethernet controller: Intel Corporation 82547EI Gigabit Ethernet Controller (LOM) 0000:03:03.0 FireWire (IEEE 1394): Texas Instruments TSB43AB22/A IEEE-1394a-2000 Controller (PHY/Link) 0000:03:04.0 RAID bus controller: Promise Technology, Inc. PDC20378 (FastTrak 378/SATA 378) (rev 02) 0000:03:0a.0 SCSI storage controller: Adaptec AIC-7892B U160/m (rev 02) ### cat /proc/cpuinfo processor : 3 vendor_id : GenuineIntel cpu family : 15 model : 2 model name : Intel(R) Xeon(TM) CPU 2.80GHz stepping : 5 cpu MHz : 2806.922 cache size : 512 KB physical id : 3 siblings : 2 core id : 0 cpu cores : 1 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid xtpr bogomips : 5613.24 ### cat /proc/scsi/scsi Attached devices: Host: scsi0 Channel: 00 Id: 01 Lun: 00 Vendor: Arena EX Model: Rev: Type: Direct-Access ANSI SCSI revision: 02 Host: scsi0 Channel: 00 Id: 06 Lun: 00 Vendor: FUJITSU Model: MAP3735NP Rev: 0108 Type: Direct-Access ANSI SCSI revision: 03 Host: scsi0 Channel: 00 Id: 08 Lun: 00 Vendor: FUJITSU Model: MAP3735NP Rev: 0108 Type: Direct-Access ANSI SCSI revision: 03 ### Filesystem: ext3 tia, martin - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/