On Thu, Nov 27, 2014 at 06:04:46PM +0100, David Unric wrote: > Bellow are relevant rows of dmesg output:
And here is the relevant part of a solution: What do you think? Helpful, huh? Next time please provide a complete dmesg. There is a reason he didn't ask you to parse it yourself. There are other things we look for. Without the full report, we can't see if you have conflicts, etc. -ml > > ---- snip > -------------------------------------------------------------------------- > OpenBSD 5.6 (GENERIC.MP) #333: Fri Aug 8 00:20:21 MDT 2014 > [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP > mpath0 at root > scsibus0 at mpath0: 256 targets > mainbus0 at root > bios0 at mainbus0: SMBIOS rev. 2.7 @ 0xea450 (94 entries) > bios0: vendor American Megatrends Inc. version "13HX.M038.20110729.SSH" > date 07/29/2011 > bios0: SAMSUNG ELECTRONICS CO., LTD. RF511/RF411/RF711 > ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins > pci0 at mainbus0 bus 0 > pchb0 at pci0 dev 0 function 0 "Intel Core 2G Host" rev 0x09 > pcib0 at pci0 dev 31 function 0 "Intel HM65 LPC" rev 0x04 > ahci0 at pci0 dev 31 function 2 "Intel 6 Series AHCI" rev 0x04: msi, AHCI > 1.3 > scsibus1 at ahci0: 32 targets > sd0 at scsibus1 targ 0 lun 0: <ATA, Hitachi HTS54757, JE4O> SCSI3 0/direct > fixed naa.5000cca63fc2c8ee > sd0: 715404MB, 512 bytes/sector, 1465149168 sectors > cd0 at scsibus1 targ 2 lun 0: <TSSTcorp, CDDVDW SN-208BB, SC00> ATAPI > 5/cdrom removable > ichiic0 at pci0 dev 31 function 3 "Intel 6 Series SMBus" rev 0x04: apic 2 > int 18 > iic0 at ichiic0 > spdmem0 at iic0 addr 0x50: 2GB DDR3 SDRAM PC3-10600 SO-DIMM > spdmem1 at iic0 addr 0x52: 4GB DDR3 SDRAM PC3-10600 SO-DIMM > isa0 at pcib0 > isadma0 at isa0 > vscsi0 at root > scsibus2 at vscsi0: 256 targets > softraid0 at root > scsibus3 at softraid0: 256 targets > root on sd0a (60b75564032edafa.a) swap on sd0b dump on sd0b > ---- snip > -------------------------------------------------------------------------- > > Thanks. > > On Thu, Nov 27, 2014 at 5:01 PM, Brad Smith <[email protected]> wrote: > > > On 11/27/14 10:57, David Unric wrote: > > > >> Hello, > >> > >> I'd like to figure out what causes very low performance of disk operations > >> on my laptop. > >> > >> I've tested it by unpacking gzipped tar archive ( > >> http://ftp.heanet.ie/pub/OpenBSD/5.6/src.tar.gz) about 125 MiB big. > >> On the same machine, not cached, various results by operating system: > >> > >> NetBSD 6.1.5 22 secs > >> Linux 3.14.22 8 secs > >> OpenBSD 5.6 aborted after 10 minutes as still not finished > >> > >> Unpacking was done with `tar xzf src.tar.gz', even tried on uncompressed > >> src.tar but roughly same results. > >> > >> By comparing with more similar NetBSD I've found the SATA disk is attached > >> differently: > >> - in OpenBSD detected as SCSI, `sd' driver used, no sign of Ultra-DMA > >> access > >> - in NetBSD detected as (SATA) IDE, `wd' driver used, UDMA/133 > >> activated > >> > >> I've tried mount the partition with softdeps and noatime options, but > >> that's only a slight improvement. > >> > >> Any idea how to fix this issue (like forcing use of wd?) or I'm out of > >> luck > >> and my 750GB Hitachi SATA IDE is unsupported in OpenBSD and no generic > >> driver can be used ? > >> > > > > Reply with the output of dmesg to the list as a start. > > > > -- > > This message has been scanned for viruses and > > dangerous content by MailScanner, and is > > believed to be clean.
