David S. Ahern wrote:
> I don't recall seeing a followup to this post.
>
> To put Michael's second suggestion into patch form, the following fixes
> the problem for me:
>
> --- kvm-81.orig/qemu/qemu-char.c 2008-12-14 06:16:27.000000000 -0700
> +++ kvm-81/qemu/qemu-char.c 2009-02-02 14:12:20.000000000 -0700
> @@ -1078,20 +1078,21 @@
> if (sarg | TIOCM_DTR)
> *targ |= CHR_TIOCM_DTR;
> if (sarg | TIOCM_RTS)
> *targ |= CHR_TIOCM_RTS;
> }
> break;
> case CHR_IOCTL_SERIAL_SET_TIOCM:
> {
> int sarg = *(int *)arg;
> int targ = 0;
> + ioctl(s->fd_in, TIOCMGET, &targ);
here, one more operation is necessary:
targ &= ~(TIOCM_DTR|TIOCM_RTS);
> if (sarg | CHR_TIOCM_DTR)
> targ |= TIOCM_DTR;
> if (sarg | CHR_TIOCM_RTS)
> targ |= TIOCM_RTS;
> ioctl(s->fd_in, TIOCMSET, &targ);
> }
> break;
> default:
> return -ENOTSUP;
> }
>
> Is this approach palatable to folks?
>
> david
/mjt
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