Date: Thu, 02 Oct 2003 11:17:56 +0200 From: Christoph Sold <cs@cheasy.de> To: Alex Wilkinson <alex.wilkinson@dsto.defence.gov.au> Cc: current@freebsd.org Subject: Re: kernel: psmintr: out of sync Message-ID: <3F7BED44.70308@cheasy.de> In-Reply-To: <20031002090134.GC39545@squirm.dsto.defence.gov.au> References: <20031002090134.GC39545@squirm.dsto.defence.gov.au>
next in thread | previous in thread | raw e-mail | index | archive | help
Alex Wilkinson wrote: > Hi all, > > I am switching between several OS's with a Cybex KVW switch. > I now seem to have a problem with my mouse (after build world/kernel). > FreeBSD 5.1-CURRENT #2: Wed Aug 20 13:28:54 CST 2003 > > I am getting these messages on the console when I move my mouse, the cursor moves in a very > choppy motion (painfully slow). > > Oct 1 09:46:17 squirm kernel: psmintr: out of sync (0000 != 0008). > Oct 1 09:46:17 squirm kernel: psmintr: discard a byte (1). > Oct 1 09:46:17 squirm kernel: psmintr: out of sync (0000 != 0008). > Oct 1 09:46:17 squirm kernel: psmintr: discard a byte (2). > Oct 1 09:46:18 squirm kernel: psmintr: out of sync (0000 != 0008). > Oct 1 09:46:18 squirm kernel: psmintr: discard a byte (3). > Oct 1 09:46:18 squirm kernel: psmintr: out of sync (0000 != 0008). > Oct 1 09:46:18 squirm kernel: psmintr: re-enable the mouse. > Oct 1 09:46:18 squirm kernel: psm: DISABLE_DEV return code:00fa > Oct 1 09:46:18 squirm kernel: psm: ENABLE_DEV return code:00fa > Oct 1 09:46:20 squirm kernel: psmintr: out of sync (0000 != 0008). > [snip] Switching the KVM while the mouse is sending data can cause this behaviour. Better KVMs interpret the data sent by the mouse and delay switches until a complete mouse output has been sent to the computer. HTH -Christoph Sold
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?3F7BED44.70308>