From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268064AbUIBSzo (ORCPT ); Thu, 2 Sep 2004 14:55:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268213AbUIBSzo (ORCPT ); Thu, 2 Sep 2004 14:55:44 -0400 Received: from spark.combustionlabs.com ([66.165.42.10]:46742 "EHLO spark.combustionlabs.com") by vger.kernel.org with ESMTP id S268064AbUIBSzS (ORCPT ); Thu, 2 Sep 2004 14:55:18 -0400 From: Piotr Banasik To: linux-kernel@vger.kernel.org Subject: kernel bug: 2.6.8.1 Date: Thu, 2 Sep 2004 11:58:11 -0700 User-Agent: KMail/1.7 MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart7024180.ke407RY7vc"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200409021158.15192.piotr@t-p-l.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --nextPart7024180.ke407RY7vc Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline [1.] One line summary of the problem: =20 abnormaly slow download speeds (~10k/s) [2.] Full description of the problem/report:=20 any download .. for example:=20 http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.8.1.tar.bz2 .. is throttl= ed=20 down to 10k/s [3.] Keywords (i.e., modules, networking, kernel): networking, kernel [4.] Kernel version (from /proc/version): Linux version 2.6.8.1 (root@ember) (gcc version 3.3.3 20040412 (Gentoo Linu= x=20 3.3.3-r6, ssp-3.3.2-2, pie-8.7.6)) #2 SMP Thu Sep 2 22:42:42 PDT 2004 [6.] A small shell script or example program which triggers the problem (if possible) # wget http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.8.1.tar.bz2 [7.1.] Software (add the output of the ver_linux script here) Linux ember 2.6.8.1 #2 SMP Thu Sep 2 22:42:42 PDT 2004 i686 Intel(R) Xeon(T= M)=20 CPU 2.80GHz GenuineIntel GNU/Linux Gnu C 3.3.3 Gnu make 3.80 binutils 2.14.90.0.8 util-linux 2.12 mount 2.12 module-init-tools 3.0 e2fsprogs 1.35 quota-tools 3.06. Linux C Library 2.3.3 Dynamic linker (ldd) 2.3.3 Procps 3.1.15 Net-tools 1.60 Kbd 1.12 Sh-utils 5.2.1 Modules Loaded usbcore [7.2.] Processor information (from /proc/cpuinfo): processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 2 model name : Intel(R) Xeon(TM) CPU 2.80GHz stepping : 5 cpu MHz : 2800.448 cache size : 512 KB physical id : 0 siblings : 2 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= =20 cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid bogomips : 5521.40 processor : 1 vendor_id : GenuineIntel cpu family : 15 model : 2 model name : Intel(R) Xeon(TM) CPU 2.80GHz stepping : 5 cpu MHz : 2800.448 cache size : 512 KB physical id : 0 siblings : 2 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= =20 cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid bogomips : 5586.94 processor : 2 vendor_id : GenuineIntel cpu family : 15 model : 2 model name : Intel(R) Xeon(TM) CPU 2.80GHz stepping : 9 cpu MHz : 2800.448 cache size : 512 KB physical id : 3 siblings : 2 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= =20 cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid bogomips : 5586.94 processor : 3 vendor_id : GenuineIntel cpu family : 15 model : 2 model name : Intel(R) Xeon(TM) CPU 2.80GHz stepping : 9 cpu MHz : 2800.448 cache size : 512 KB physical id : 3 siblings : 2 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= =20 cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid bogomips : 5586.94 [7.3.] Module information (from /proc/modules): usbcore 102628 1 - Live 0xf899d000 [7.4.] Loaded driver and hardware information (/proc/ioports, /proc/iomem) # cat /proc/ioports 0000-001f : dma1 0020-0021 : pic1 0040-005f : timer 0060-006f : keyboard 0070-0077 : rtc 0080-008f : dma page reg 00a0-00a1 : pic2 00c0-00df : dma2 00f0-00ff : fpu 0170-0177 : ide1 02f8-02ff : serial 0376-0376 : ide1 0378-037a : parport0 03c0-03df : vga+ 03f8-03ff : serial 0400-047f : 0000:00:1f.0 0408-040b : ACPI timer 0410-0415 : ACPI CPU throttle 0500-053f : 0000:00:1f.0 0540-055f : 0000:00:1f.3 0cf8-0cff : PCI conf1 a000-a0ff : 0000:01:04.0 b000-cfff : PCI Bus #02 b000-bfff : PCI Bus #03 b400-b43f : 0000:03:01.0 b400-b43f : e1000 b800-b83f : 0000:03:02.0 b800-b83f : e1000 c000-cfff : PCI Bus #04 c800-c8ff : 0000:04:01.0 c800-c8ff : 3w-9xxx e000-e01f : 0000:00:1d.0 e400-e41f : 0000:00:1d.1 e800-e81f : 0000:00:1d.2 ffa0-ffaf : 0000:00:1f.1 # cat /proc/iomem 00000000-0009fbff : System RAM 0009fc00-0009ffff : reserved 000a0000-000bffff : Video RAM area 000c0000-000c7fff : Video ROM 000c9800-000cafff : Adapter ROM 000cb000-000cc7ff : Adapter ROM 000f0000-000fffff : System ROM 00100000-7ffeffff : System RAM 00100000-003226f2 : Kernel code 003226f3-0041027f : Kernel data 7fff0000-7fffefff : ACPI Tables 7ffff000-7fffffff : ACPI Non-volatile Storage 80000000-800003ff : 0000:00:1f.1 fb300000-fc5fffff : PCI Bus #02 fb300000-fb3fffff : PCI Bus #03 fb400000-fc4fffff : PCI Bus #04 fb800000-fbffffff : 0000:04:01.0 fb800000-fbffffff : 3w-9xxx fd000000-fdffffff : 0000:01:04.0 fe6ff000-fe6fffff : 0000:01:04.0 fe800000-feafffff : PCI Bus #02 fe800000-fe8fffff : PCI Bus #03 fe8a0000-fe8bffff : 0000:03:01.0 fe8a0000-fe8bffff : e1000 fe8e0000-fe8fffff : 0000:03:02.0 fe8e0000-fe8fffff : e1000 fe900000-fe9fffff : PCI Bus #04 fe9ffc00-fe9ffcff : 0000:04:01.0 fe9ffc00-fe9ffcff : 3w-9xxx feafe000-feafefff : 0000:02:1c.0 feaff000-feafffff : 0000:02:1e.0 fec00000-fecfffff : reserved fee00000-fee00fff : reserved fff80000-ffffffff : reserved [7.5.] PCI information ('lspci -vvv' as root) # lspci -vvv 0000:00:00.0 Host bridge: Intel Corp. E7501 Memory Controller Hub (rev 01) Subsystem: Super Micro Computer Inc: Unknown device 4880 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-= =20 Stepping- SERR+ FastB2B- Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=3Dfast >TAbort-=20 SERR- TAbort-=20 SERR- Reset- FastB2B- 0000:00:1d.0 USB Controller: Intel Corp. 82801CA/CAM USB (Hub #1) (rev 02)= =20 (prog-if 00 [UHCI]) Subsystem: Super Micro Computer Inc: Unknown device 4880 Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-= =20 Stepping- SERR- FastB2B- Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=3Dmedium >TAbort-= =20 SERR- TAbort-= =20 SERR- TAbort-= =20 SERR- TAbort-=20 SERR- Reset- FastB2B- 0000:00:1f.0 ISA bridge: Intel Corp. 82801CA LPC Interface Controller (rev = 02) Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop- ParErr-= =20 Stepping- SERR- FastB2B- Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=3Dmedium >TAbort-= =20 SERR- TAbort-= =20 SERR- Region 1: I/O ports at Region 2: I/O ports at Region 3: I/O ports at Region 4: I/O ports at ffa0 [size=3D16] Region 5: Memory at 80000000 (32-bit, non-prefetchable) [disabled]= =20 [size=3D1K] 0000:00:1f.3 SMBus: Intel Corp. 82801CA/CAM SMBus Controller (rev 02) Subsystem: Super Micro Computer Inc: Unknown device 4880 Control: I/O+ Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr-= =20 Stepping- SERR- FastB2B- Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=3Dmedium >TAbort-= =20 SERR- TAbort-= =20 SERR- TAbort-=20 SERR- TAbort-=20 SERR- Reset- FastB2B- Capabilities: [50] PCI-X bridge device. Secondary Status: 64bit+, 133MHz+, SCD-, USC-, SCO-, SRD-=20 =46req=3D0 Status: Bus=3D0 Dev=3D0 Func=3D0 64bit- 133MHz- SCD- USC-, = SCO-,=20 SRD- : Upstream: Capacity=3D0, Commitment Limit=3D0 : Downstream: Capacity=3D0, Commitment Limit=3D0 0000:02:1e.0 PIC: Intel Corp. 82870P2 P64H2 I/OxAPIC (rev 04) (prog-if 20=20 [IO(X)-APIC]) Subsystem: Intel Corp. 82870P2 P64H2 I/OxAPIC Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-= =20 Stepping- SERR+ FastB2B- Status: Cap+ 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=3Dfast >TAbort-=20 SERR- TAbort-=20 SERR- Reset- FastB2B- Capabilities: [50] PCI-X bridge device. Secondary Status: 64bit+, 133MHz+, SCD-, USC-, SCO-, SRD-=20 =46req=3D0 Status: Bus=3D0 Dev=3D0 Func=3D0 64bit- 133MHz- SCD- USC-, = SCO-,=20 SRD- : Upstream: Capacity=3D0, Commitment Limit=3D0 : Downstream: Capacity=3D0, Commitment Limit=3D0 0000:03:01.0 Ethernet controller: Intel Corp. 82541EI Gigabit Ethernet=20 Controller (Copper) Subsystem: Intel Corp. PRO/1000 MT Desktop Adapter Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr-= =20 Stepping- SERR+ FastB2B- Status: Cap+ 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=3Dmedium >TAbort-= =20 SERR- TAbort-= =20 SERR- TAbort-= =20 SERR-