After increasing dma_entry_limit limit no issue observed.
But ideal senario device is getting hung and recovery happening only
with host hard rebooting.
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qemu-system-x86_64 -name guest=fedora24 -machine
q35,accel=kvm,kernel-irqchip=split \
-enable-kvm \
-m 4G \
-smp 8,sockets=1,cores=8,threads=1 \
-device intel-iommu,intremap=on,caching-mode=on,aw-bits=48 \
-drive file=,format=raw \
-device ioh3420,i
Please find the above qemu command to lunch guest machine
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https://bugs.launchpad.net/bugs/1851664
Title:
qemu-system-x86_64: "VFIO_MAP_DMA : -28" error when we attache 6 VF's
to gue
OK, thank you very much.
GaLi
Juergen Keil wrote:
I'm trying to write an IDE driver with busmaster DMA support.
My problem is that I can't get the right controller registers addresses.
In the IDE BusMaster DMA specification :
"The control registers for the controller are al
write? for QEMU? or for a guest OS?
The IDE implementation of QEMU has few bugs (notice how the hack win2k
installation needs), so I would suggest to you to either try it with
BOCHS or with a trial version of VMWare.
Thanks,
Hetz
On 9/30/05, GaLi <[EMAIL PROTECTED]> wrote:
Hi,
I'm try
Hi,
I'm trying to write an IDE driver with busmaster DMA support.
My problem is that I can't get the right controller registers addresses.
In the IDE BusMaster DMA specification :
"The control registers for the controller are allocated via the
devices Base Address register at offset 0x20 in PC
