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xen-devel
Re: [Xen-devel] [PATCH] iommu-remote: Fix lost serial TX interrupts. Rep
On 3/3/2010 11:52 AM, Trolle Selander wrote:
> On Thu, Jan 28, 2010 at 6:26 PM, Justin T. Gibbs <gibbs@xxxxxxxxxxx> wrote:
>> This patch corrects emulation errors in QEMU's 16550 uart emulation,
>> which cause compatibility issues with FreeBSD's uart(9) driver.
...
> I'm assuming the overrun bugs were only triggered when the uart was
> put in loopback mode?
Yes. The FreeBSD driver puts the uart into loopback mode to probe the
size of the device's FIFO.
--
Justin
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