Date: Tue, 07 Sep 2004 11:53:38 +0200 From: Radim Kolar <hsn@netmag.cz> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/71455: Slow USB umass performance of 5.3 Message-ID: <E1C4cfS-000CGA-4U@sanatana.dharma> Resent-Message-ID: <200409071030.i87AUMgL090688@freefall.freebsd.org>
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>Number: 71455 >Category: kern >Synopsis: Slow USB umass performance of 5.3 >Confidential: no >Severity: non-critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Sep 07 10:30:22 GMT 2004 >Closed-Date: >Last-Modified: >Originator: Radim Kolar >Release: FreeBSD 5.3-BETA3 i386 >Organization: lamers interacionals >Environment: System: FreeBSD sanatana.dharma 5.3-BETA3 FreeBSD 5.3-BETA3 #7: Sun Sep 5 18:40:24 CEST 2004 root@sanatana.dharma:/usr/obj/usr/src/sys/UP i386 >Description: One of my USB flash disks works very slowly in FreeBSD. It is a quite old device. This applies to both freebsd versions 5.2 and 5.3. His transfer speed is around 90kB/sec. The same disk works in Windoze or Linux at 600kB/sec. Controller /dev/usb0: addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), Intel(0x0000), rev 1.00 port 1 addr 2: full speed, power 100 mA, config 1, USB Disk(0x0100), PNY(0x0d7d), rev 1.00 port 2 powered Aug 29 21:11:38 sanatana kernel: umass0: PNY USB Disk, rev 1.10/1.00, addr 2 Aug 29 21:11:38 sanatana kernel: umass0:0:0:-1: Attached to scbus0 Aug 29 21:11:39 sanatana kernel: pass0 at umass-sim0 bus 0 target 0 lun 0 Aug 29 21:11:39 sanatana kernel: pass0: < USB DISK 2.0B> Removable Direct Access SCSI-0 device Aug 29 21:11:39 sanatana kernel: pass0: Serial Number Aug 29 21:11:39 sanatana kernel: pass0: 1.000MB/s transfers >How-To-Repeat: It can be reproduced anytime by using device mentioned above. >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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