From owner-freebsd-current Sun Nov 19 18:11:16 2000 Delivered-To: freebsd-current@freebsd.org Received: from blount.mail.mindspring.net (blount.mail.mindspring.net [207.69.200.226]) by hub.freebsd.org (Postfix) with ESMTP id 0717537B479 for ; Sun, 19 Nov 2000 18:11:10 -0800 (PST) Received: from ix.netcom.com (sil-wa17-10.ix.netcom.com [207.93.156.10]) by blount.mail.mindspring.net (8.9.3/8.8.5) with ESMTP id VAA22983 for ; Sun, 19 Nov 2000 21:11:06 -0500 (EST) Received: (from tomdean@localhost) by ix.netcom.com (8.11.1/8.9.3) id eAK2Cj500371; Sun, 19 Nov 2000 18:12:45 -0800 (PST) (envelope-from tomdean@ix.netcom.com) Date: Sun, 19 Nov 2000 18:12:45 -0800 (PST) Message-Id: <200011200212.eAK2Cj500371@ix.netcom.com> From: "Thomas D. Dean" To: current@FreeBSD.ORG Subject: Clock Strangeness in UP Kernel Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG The clock is strange in -current UP. # uname -a FreeBSD celebris 5.0-CURRENT FreeBSD 5.0-CURRENT #1: \ Sun Nov 19 17:53:38 PST 2000 \ root@celebris:/usr/src/sys/compile/CELEBRIS i386 dmesg is attached. Some of the garbage at the top of dmesg is from 2 kernels ago, 15 Nov., when I was running SMP and had silo overflows. Both timecounters are listed in dmesg: ... Timecounter "i8254" frequency 1193026 Hz Timecounter "TSC" frequency 121329898 Hz ... I have options CLK_USE_I8254_CALIBRATION in my config. Some recent output from ntpdate log: (I changed the server from 140.142.16.34 to xxxx). ... 18 Nov 16:29:41 ntpdate[10276]: step time server xxxx offset -443.428520 sec 18 Nov 20:29:41 ntpdate[10463]: step time server xxxx offset -443.462177 sec 19 Nov 00:29:41 ntpdate[10799]: step time server xxxx offset -443.474425 sec 19 Nov 04:29:42 ntpdate[11305]: step time server xxxx offset -443.515112 sec 19 Nov 08:29:41 ntpdate[11536]: step time server xxxx offset -443.437881 sec 19 Nov 12:29:42 ntpdate[11855]: step time server xxxx offset -443.461982 sec 19 Nov 16:29:41 ntpdate[12378]: step time server xxxx offset -443.430663 sec The step has a high std. dev. I see values of 115 to 2900 sec over the past few days. The machine was up for 3 days, 10 hours, before rebooting an hour ago. tomdean ===== dmesg ============ B/s transfers (10.000MHz, offset 8), Tagged Queueing Enabled da2: 3090MB (6328861 512 byte sectors: 255H 63S/T 393C) da0 at ncr0 bus 0 target 0 lun 0 da0: Fixed Direct Access SCSI-2 device da0: 10.000MB/s transfers (10.000MHz, offset 8) da0: 1042MB (2134305 512 byte sectors: 255H 63S/T 132C) Mounting root from ufs:/dev/da1s1a da1 at ncr0 bus 0 target 1 lun 0 da1: Fixed Direct Access SCSI-3 device da1: 10.000MB/s transfers (10.000MHz, offset 8), Tagged Queueing Enabled da1: 8748MB (17916240 512 byte sectors: 255H 63S/T 1115C) SMP: AP CPU #1 Launched! de0: enabling BNC port sio0: 1 more silo overflow (total 1) sio0: 1 more silo overflow (total 2) sio0: 1 more silo overflow (total 3) sio0: 2 more silo overflows (total 5) boot() called on cpu#1 Waiting (max 60 seconds) for system process `bufdaemon' to stop...stopped Waiting (max 60 seconds) for system process `syncer' to stop...stopped syncing disks... done Uptime: 6m6s RebooCopyright (c) 1992-2000 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD 5.0-CURRENT #1: Sun Nov 19 17:53:38 PST 2000 root@celebris:/usr/src/sys/compile/CELEBRIS Timecounter "i8254" frequency 1193026 Hz Timecounter "TSC" frequency 121329898 Hz CPU: Pentium/P54C (121.33-MHz 586-class CPU) Origin = "GenuineIntel" Id = 0x525 Stepping = 5 Features=0x3bf real memory = 100663296 (98304K bytes) avail memory = 94822400 (92600K bytes) Preloaded elf kernel "kernel" at 0xc0302000. Preloaded userconfig_script "/boot/kernel.conf" at 0xc030209c. Intel Pentium detected, installing workaround for F00F bug npx0: on motherboard npx0: INT 16 interface pcib0: at pcibus 0 on motherboard pci0: on pcib0 ncr0: port 0xec00-0xecff mem 0xfedfbf00-0xfedfbfff irq 11 at device 1.0 on pci0 isab0: at device 2.0 on pci0 isa0: on isab0 pci0: at 6.0 irq 9 de0: port 0xe880-0xe8ff mem 0xfedfbe80-0xfedfbeff irq 10 at device 8.0 on pci0 de0: DEC DE450-CA 21041 [10Mb/s] pass 1.1 de0: address 00:00:f8:02:76:db atkbdc0: at port 0x60,0x64 on isa0 atkbd0: irq 1 on atkbdc0 psm0: irq 12 on atkbdc0 psm0: model Generic PS/2 mouse, device ID 0 fdc0: at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0 fdc0: FIFO enabled, 8 bytes threshold fd0: <1440-KB 3.5" drive> on fdc0 drive 0 ppc0: at port 0x378-0x37f irq 7 on isa0 ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode lpt0: on ppbus0 lpt0: Interrupt-driven port sc0: on isa0 sc0: VGA <16 virtual consoles, flags=0x200> sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0 sio0: type 16550A sio1 at port 0x2f8-0x2ff irq 3 on isa0 sio1: type 16550A vga0: at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0 unknown: can't assign resources unknown: can't assign resources unknown: <16550 compatible COM device> can't assign resources unknown: <16550 compatible COM device> can't assign resources unknown: can't assign resources unknown: can't assign resources Waiting 10 seconds for SCSI devices to settle Mounting root from ufs:/dev/da1s1a cd0 at ncr0 bus 0 target 5 lun 0 cd0: Removable CD-ROM SCSI-2 device cd0: 4.237MB/s transfers (4.237MHz, offset 8) cd0: cd present [329507 x 2048 byte records] da0 at ncr0 bus 0 target 0 lun 0 da0: Fixed Direct Access SCSI-2 device da0: 10.000MB/s transfers (10.000MHz, offset 8) da0: 1042MB (2134305 512 byte sectors: 255H 63S/T 132C) da2 at ncr0 bus 0 target 2 lun 0 da2: Fixed Direct Access SCSI-2 device da2: 10.000MB/s transfers (10.000MHz, offset 8), Tagged Queueing Enabled da2: 3090MB (6328861 512 byte sectors: 255H 63S/T 393C) da1 at ncr0 bus 0 target 1 lun 0 da1: Fixed Direct Access SCSI-3 device da1: 10.000MB/s transfers (10.000MHz, offset 8), Tagged Queueing Enabled da1: 8748MB (17916240 512 byte sectors: 255H 63S/T 1115C) de0: enabling BNC port To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message