Date: Tue, 9 Jan 2001 18:39:15 +0000 From: bobb@internet-ireland.ie To: freebsd-questions@freebsd.org Subject: Dump hanging on disk wait Message-ID: <20010109183915.A62156@dalom.internal>
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I have a machine which is doing some file shareing and amanda backup server for a few hosts, its running... root@asaheim (~) # uname -a FreeBSD asaheim.internal 4.1.1-STABLE FreeBSD 4.1.1-STABLE #0: Fri Oct 27 17:45:06 IST 2000 root@asaheim.internal:/usr/src/sys/compile/ASAHEIM i386 However, periodicly dump hangs on a disk wait (state 'D' under ps) and not always on the same partition or disk. Its not a tape problem as its dumping to STDOUT and being piped to amandad. Another strange thing is when I try to cat /dev/da0s1a or another partition on the disk I get an EAGAIN (Resource temporarily unavailable) error. Has anyone come across this sort of thing before, or could you direct me how I might identify what is causing this. Thank you kindly. dmesg ----- sym0: <895> port 0xb800-0xb8ff mem 0xe0000000-0xe0000fff,0xe0800000-0xe08000ff irq 10 at device 11.0 on pci0 sym0: Tekram NVRAM, ID 7, Fast-40, SE, parity checking ahc0: <Adaptec 19160B Ultra160 SCSI adapter> port 0xb400-0xb4ff mem 0xdf800000-0xdf800fff irq 12 at device 13.0 on pci0 aic7892: Wide Channel A, SCSI Id=7, 32/255 SCBs fdc0: <NEC 72065B or clone> 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 acd0: CDROM <ASUS CD-S400/A> at ata0-master using PIO4 Waiting 5 seconds for SCSI devices to settle (noperiph:sym0:0:-1:-1): SCSI BUS mode change from SE to SE. de0: enabling 100baseTX port sa0 at ahc0 bus 0 target 3 lun 0 sa0: <HP C5683A C908> Removable Sequential Access SCSI-2 device sa0: 40.000MB/s transfers (20.000MHz, offset 32, 16bit) Mounting root from ufs:/dev/da0s1a da0 at sym0 bus 0 target 0 lun 0 da0: <IBM DNES-309170W SAH0> Fixed Direct Access SCSI-3 device da0: 40.000MB/s transfers (20.000MHz, offset 31, 16bit), Tagged Queueing Enabled da0: 8748MB (17916240 512 byte sectors: 255H 63S/T 1115C) da1 at sym0 bus 0 target 1 lun 0 da1: <IBM DNES-318350W SAH0> Fixed Direct Access SCSI-3 device da1: 40.000MB/s transfers (20.000MHz, offset 31, 16bit), Tagged Queueing Enabled da1: 17501MB (35843670 512 byte sectors: 255H 63S/T 2231C) da2 at sym0 bus 0 target 5 lun 0 da2: <IBM OEM DCHS09U 2626> Fixed Direct Access SCSI-2 device da2: 40.000MB/s transfers (20.000MHz, offset 15, 16bit), Tagged Queueing Enabled da2: 8689MB (17796077 512 byte sectors: 255H 63S/T 1107C) -- Robert "bobb" Crosbie. System Administrator, Internet Ireland. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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