Jan Kiszka wrote:
Jan Kiszka wrote:
Hi,
I'm currently facing problems to get kvm working with -no-kvm-irqchip.
It used to be fine up to kvm-71, but with latest git my Linux guest
stalls during early boot:
[ 22.631200] Freeing unused kernel memory: 324k freed
[ 22.857098] SCSI subsystem initialized
[ 22.892601] scsi0 : ata_piix
[ 22.903604] scsi1 : ata_piix
[ 22.904473] ata1: PATA max MWDMA2 cmd 0x00000000000101f0 ctl
0x00000000000103f6 bmdma 0x000000000001c000 irq 14
[ 22.917692] ata2: PATA max MWDMA2 cmd 0x0000000000010170 ctl
0x0000000000010376 bmdma 0x000000000001c008 irq 15
This seems to be a kernel-side issue, replacing the module set with the
one that came with -71 fixes the issue. Maybe due to
vmx_complete_interrupts refactoring?
Looks like my suspect was right: Kicking vmx_complete_interrupts out of
vmx_vcpu_run makes -no-kvm-irqchip work again.
Avi, could it be that 1c0f4f5011829dac96347b5f84ba37c2252e1e08 left
do_interrupt_requests outdated behind? Or is vmx_complete_interrupts
incorrectly queuing interrupts in the -no-kvm-irqchip case?
I thought I tested out -no-kvm-irqchip, but apprently not well enough.
I'll try to see what went wrong.
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
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