From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264705AbUEORFs (ORCPT ); Sat, 15 May 2004 13:05:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264711AbUEORFr (ORCPT ); Sat, 15 May 2004 13:05:47 -0400 Received: from zeus.kernel.org ([204.152.189.113]:53477 "EHLO zeus.kernel.org") by vger.kernel.org with ESMTP id S264705AbUEORFh (ORCPT ); Sat, 15 May 2004 13:05:37 -0400 X-T2-Posting-ID: /1y25pRTbS0SjMQpHVTImbM1UsgcS8ZvodPmtYWBEWE= From: snagg To: linux-kernel@vger.kernel.org Subject: schedule() problem Date: Sat, 15 May 2004 16:13:37 +0200 User-Agent: KMail/1.6.2 MIME-Version: 1.0 Content-Disposition: inline Message-Id: <200405151613.41880.snagg@openssl.it> Content-Type: Text/Plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 [1.] schedule() freeze [2.]because of a failed control the system crashs , maybe the problem is that the active_mm of a task is NULL . [3.]scheduler [4.]Linux version 2.4.22 (root@midas) (gcc version 3.2.3) #6 Tue Sep 2 17:43:01 PDT 2003 [5.]I only have a photo alternauts.altervista.org/schedfault.jpg because after that the system crashs [6.]Cannot recreate the problem , sorry [7.1] sh scripts/ver_linux If some fields are empty or look unusual you may have an old version. Compare to the current minimal requirements in Documentation/Changes. Linux aVaTaR 2.4.22 #6 Tue Sep 2 17:43:01 PDT 2003 i686 unknown unknown GNU/Linux Gnu C 3.3.3 Gnu make 3.80 util-linux 2.12 mount 2.12 modutils 2.4.25 e2fsprogs 1.35 jfsutils 1.1.6 xfsprogs 2.6.10 pcmcia-cs 3.2.7 quota-tools 3.09. PPP 2.4.2 Linux C Library 2.3.2 Dynamic linker (ldd) 2.3.2 Linux C++ Library 5.0.5 Procps 2.0.18 Net-tools 1.60 Kbd 1.12 Sh-utils 5.2.1 Modules Loaded soundcore appletalk ipx usb-ohci usbcore 8139too mii crc32 pcmcia_core ide-scsi agpgart [7.2] processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 1 model name : Intel(R) Pentium(R) 4 CPU 1.70GHz stepping : 2 cpu MHz : 1716.928 cache size : 256 KB 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 bogomips : 3420.97 [7.3] soundcore 3332 0 (autoclean) appletalk 21540 1 (autoclean) ipx 17348 1 (autoclean) usb-ohci 18888 0 (unused) usbcore 58400 1 [usb-ohci] 8139too 15240 1 mii 2304 0 [8139too] crc32 2880 0 [8139too] pcmcia_core 40032 0 ide-scsi 9424 0 agpgart 39576 0 (unused) [7.4] cat /proc/ioports 0000-001f : dma1 0020-003f : pic1 0040-005f : timer 0060-006f : keyboard 0070-007f : rtc 0080-008f : dma page reg 00a0-00bf : pic2 00c0-00df : dma2 00f0-00ff : fpu 0170-0177 : ide1 01f0-01f7 : ide0 02f8-02ff : serial(auto) 0376-0376 : ide1 03c0-03df : vesafb 03f6-03f6 : ide0 03f8-03ff : serial(auto) 0cf8-0cff : PCI conf1 c000-cfff : PCI Bus #01 c000-c07f : Silicon Integrated Systems [SiS] SiS65x/M650/740 PCI/AGP VGA Display Adapter d800-d8ff : Silicon Integrated Systems [SiS] Sound Controller dc00-dc7f : Silicon Integrated Systems [SiS] Sound Controller e000-e0ff : Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ e000-e0ff : 8139too f000-f00f : Silicon Integrated Systems [SiS] 5513 [IDE] f000-f007 : ide0 f008-f00f : ide1 cat /proc/iomem 00000000-0009fbff : System RAM 0009fc00-0009ffff : reserved 000a0000-000bffff : Video RAM area 000c0000-000c7fff : Video ROM 000f0000-000fffff : System ROM 00100000-0dfeffff : System RAM 00100000-002c5635 : Kernel code 002c5636-0035f063 : Kernel data 0dff0000-0dff2fff : ACPI Non-volatile Storage 0dff3000-0dffffff : ACPI Tables e0000000-e7ffffff : PCI Bus #01 e0000000-e7ffffff : Silicon Integrated Systems [SiS] SiS65x/M650/740 PCI/AGP VGA Display Adapter e0000000-e017ffff : vesafb e8000000-ebffffff : Silicon Integrated Systems [SiS] 650 Host ec000000-ec0fffff : PCI Bus #01 ec000000-ec01ffff : Silicon Integrated Systems [SiS] SiS65x/M650/740 PCI/AGP VGA Display Adapter ec100000-ec100fff : Silicon Integrated Systems [SiS] USB 1.0 Controller ec100000-ec100fff : usb-ohci ec101000-ec101fff : Silicon Integrated Systems [SiS] USB 1.0 Controller (#2) ec101000-ec101fff : usb-ohci ec102000-ec1020ff : Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ ec102000-ec1020ff : 8139too fec00000-fec00fff : reserved fee00000-fee00fff : reserved ffff0000-ffffffff : reserved [7.5] 00:00.0 Host bridge: Silicon Integrated Systems [SiS] 650/M650 Host (rev 01) Subsystem: Silicon Integrated Systems [SiS] 650/M650 Host Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- SERR- 00:01.0 PCI bridge: Silicon Integrated Systems [SiS] Virtual PCI-to-PCI bridge (AGP) (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- Reset- FastB2B- 00:02.0 ISA bridge: Silicon Integrated Systems [SiS] SiS85C503/5513 (LPC Bridge) (rev 10) Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- [7.6] Attached devices: Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: HL-DT-ST Model: CD-RW GCE-8240B Rev: 1.07 Type: CD-ROM ANSI SCSI revision: 02 [X] I read the code of sched.c in kernel 2.4.26 and it seems not to be changed in the section in wich the problem occurs, however I cannot exploit again the scedule() so I'm not sure that the error is still there.The kernel is the official slackware ones. - -- You can download my public key from : http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xAF03412D Per me si va tra la perduta gente -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) iQCVAwUBQKYllcRZnwcjHpecAQJurgP/RW+kAGHqf9oERBbcqp9epvRlgyK1gCTO EA0NrQhqeLDLV40ZblP0R+jH/A93EAq3x3xQiZcP4Ck92hbd3HgrUSUFQPbcDYhT yJO6Y7WusY6ZTW77gM2IJQqppP6r9QZSwv/ZaagZVDjteAfI6V7Qavh4RUYizvUG poF6mmm5KpA= =GGlT -----END PGP SIGNATURE-----