On Thursday 26 January 2006 05:54, Vitaliy Skakun wrote: > Hi everybody! > > One problem arised: > > when doing in the shell > echo "~WS" > /dev/cuaR00 > > for several times as quick as I can, I get panic with the following > message: panic: device_unbusy: called for non-busy device rp0 > > same thing when trying to send data to /dev/cuaR00 via JDK File streams ... > > :((( > > (Some kind of barcode printers are attached to this multiport card) > > Any help will be kindly accepted. > > Cheers > Vit
Try the attached patch. tty's don't use D_TRACKCLOSE but rp(4) was expecting that rpclose() was called on every close, not just the last close. -- John Baldwin <[EMAIL PROTECTED]> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
Index: rp.c =================================================================== RCS file: /usr/cvs/src/sys/dev/rp/rp.c,v retrieving revision 1.71 diff -u -r1.71 rp.c --- rp.c 4 Dec 2005 10:06:04 -0000 1.71 +++ rp.c 26 Jan 2006 16:32:48 -0000 @@ -929,7 +929,9 @@ rp_callout_handle = timeout(rp_do_poll, (void *)NULL, POLL_INTERVAL); - device_busy(rp->rp_ctlp->dev); + if (rp->rp_open_count == 0) + device_busy(rp->rp_ctlp->dev); + rp->rp_open_count++; return(0); } @@ -960,6 +962,7 @@ tp->t_actout = FALSE; wakeup(&tp->t_actout); wakeup(TSA_CARR_ON(tp)); + rp->rp_open_count = 0; device_unbusy(rp->rp_ctlp->dev); } Index: rpvar.h =================================================================== RCS file: /usr/cvs/src/sys/dev/rp/rpvar.h,v retrieving revision 1.9 diff -u -r1.9 rpvar.h --- rpvar.h 4 Dec 2005 10:06:04 -0000 1.9 +++ rpvar.h 26 Jan 2006 16:31:59 -0000 @@ -47,6 +47,7 @@ unsigned char state; /* state of dtr */ int rp_port; + int rp_open_count; int rp_flags; int rp_unit:2; int rp_aiop:2;
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