> -----Original Message----- > From: Hollis Blanchard [mailto:[EMAIL PROTECTED] > Sent: Tuesday, August 19, 2008 12:07 AM > To: Liu Yu > Cc: [email protected] > Subject: RE: Serial stdio overwhelming interrupts > > > > > I found this. > > http://www.archivum.info/[EMAIL PROTECTED]/2008-02/msg00169.html > > I don’t know how it is going now. Because I still work on > the branch > > kvm-70rc1 of qemu Maybe it has been solved. > > AFAIK it has not been solved, and neither Linux nor qemu > developers plan to change their behavior. In the URL above, a > kernel developer suggests changing qemu's behavior. > > The problem is that the Linux driver reads serial data in a > loop but gives up after a fixed number (256) of iterations. > I'm not sure why the kernel does that, since I think > interrupts are enabled while that happens.
I agree. Although serial in qemu doesnt support burst transmission, kernel should be competent to handle any situation.
