<style>                    #mailBodyContentDiv { font-family : Dotum, Verdana, Arial, Helvetica ; background-color: #ffffff;font-size:10pt;}               #mailBodyContentDiv BODY { background-color: #ffffff;}            #mailBodyContentDiv BODY, TD, TH { color: black; font-family: Dotum, Verdana, Arial, Helvetica; font-size: 10pt; }            #mailBodyContentDiv P { margin: 0px; padding:2px;}     </style>    <div id="mailBodyContentDiv" style="width:100%"> <span style="font-family: Dotum; font-size: small;">Hi,</span><div><span style="font-family: Dotum; font-size: small;"><br></span></div><div><span style="font-family: Dotum; font-size: small;">I make simple network driver for RTEMS network.</span></div><div><span style="font-family: Dotum; font-size: small;"><br></span></div><div><span style="font-family: Dotum; font-size: small;">It works well on QEMU-KVM but doesn't work on VirtualBox.</span></div><div><span style="font-family: Dotum; font-size: small;"><br></span></div><div><span style="font-famil
 y: Dotum; font-size: small;">In VirtualBox, RTEMS doesn't receive any interrupt from network device.</span></div><div><span style="font-family: Dotum; font-size: small;"><br></span></div><div><span style="font-family: Dotum; font-size: small;">However, BSP_install_rtems_irq_handler returns success value on IRQ number 10.</span></div><div><span style="font-family: Dotum; font-size: small;"><br></span></div><div><span style="font-family: Dotum; font-size: small;">And RTEMS can access to PCI bus to read vendor id, irq number, etc...</span></div><div><span style="font-family: Dotum; font-size: small;"><br></span></div><div><span style="font-family: Dotum; font-size: small;">I think that there is some difference between QEMU-KVM and VIrtualBox but I can't find it.</span></div><div><span style="font-family: Dotum; font-size: small;"><br></span></div><div><span style="font-family: Dotum; font-size: small;">Can anyone give me any advice?</span></div><div><span style="font-family: Dotum; fon
 t-size: small;"><br></span></div><div><span style="font-family: Dotum; font-size: small;">Thanks,</span></div><div><span style="font-family: Dotum; font-size: small;"><br></span></div><div><span style="font-family: Dotum; font-size: small;">Jinhyun.</span></div>    </div>
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