Date: Sun, 7 May 1995 03:30:03 -0700 From: Peter Dufault <dufault@hda.com> To: freebsd-bugs Subject: kern/387: scsistrategy doesn't use bounce buffers Message-ID: <199505071030.DAA14446@freefall.cdrom.com> In-Reply-To: Your message of Sun, 7 May 1995 06:25:53 -0400 <199505071025.GAA17670@hda.com>
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>Number: 387 >Category: kern >Synopsis: scsistrategy doesn't use bounce buffers >Confidential: no >Severity: serious >Priority: low >Responsible: freebsd-bugs (FreeBSD bugs mailing list) >State: open >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun May 7 03:30:01 1995 >Originator: Peter & >Organization: Peter Dufault Real Time Machine Control and Simulation HD Associates, Inc. Voice: 508 433 6936 dufault@hda.com Fax: 508 433 5267 >Release: FreeBSD 2.1.0-Development i386 >Environment: >Description: The scsistrategy function used by the user ioctl doesn't allocate bounce buffers. I don't understand what the BOUNCE code in scsi_scsi_cmd is doing, so I'm not just going to add in a call to vm_bounce_alloc until I have the time to look at it. >How-To-Repeat: >Fix: Probably add /* * Use a bounce buffer if necessary */ #ifdef BOUNCE_BUFFERS if (sc_link->flags & SDEV_BOUNCE) vm_bounce_alloc(bp); #endif before scsi_scsi_cmd in scsi_ioctl.c >Audit-Trail: >Unformatted:
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