[Qemu-devel] Re: DMA transfer failing most of the time

2006-09-22 Thread Jérôme Arbez-Gindre
[EMAIL PROTECTED] (Jérôme Arbez-Gindre) writes: Hi, I'm writing a PCI board emulation in Qemu 0.8.1. (i386) I'm also writing the corresponding Linux 2.6 driver. In the emulation, I'm performing DMA transfers by calls to cpu_physical_memory_rw() and then, I'm generating a interrupt

[Qemu-devel] DMA transfer failing most of the time

2006-09-21 Thread Jérôme Arbez-Gindre
Hi, I'm writing a PCI board emulation in Qemu 0.8.1. (i386) I'm also writing the corresponding Linux 2.6 driver. In the emulation, I'm performing DMA transfers by calls to cpu_physical_memory_rw() and then, I'm generating a interrupt. In the Linux driver, in the interrupt handler, when I