2410e133ec
When it is zero, it causes segv. Using following command: "-drive file=//home/test/test1.img,if=none,id=id0 -device nvme,drive=id0,serial=test,num_queues=0" causes following Backtrack: Thread 4 "qemu-system-x86" received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fffe9735700 (LWP 30952)] 0x0000555555a7a77c in nvme_start_ctrl (n=0x5555577473f0) at hw/block/nvme.c:825 825 if (unlikely(n->cq[0])) { (gdb) bt 0 0x0000555555a7a77c in nvme_start_ctrl (n=0x5555577473f0) at hw/block/nvme.c:825 1 0x0000555555a7af7f in nvme_write_bar (n=0x5555577473f0, offset=20, data=4587521, size=4) at hw/block/nvme.c:969 2 0x0000555555a7b81a in nvme_mmio_write (opaque=0x5555577473f0, addr=20, data=4587521, size=4) at hw/block/nvme.c:1163 3 0x0000555555869236 in memory_region_write_accessor (mr=0x555557747cd0, addr=20, value=0x7fffe97320f8, size=4, shift=0, mask=4294967295, attrs=...) at /home/test/qemu1/qemu/memory.c:502 4 0x0000555555869446 in access_with_adjusted_size (addr=20, value=0x7fffe97320f8, size=4, access_size_min=2, access_size_max=8, access_fn=0x55555586914d <memory_region_write_accessor>, mr=0x555557747cd0, attrs=...) at /home/test/qemu1/qemu/memory.c:568 5 0x000055555586c479 in memory_region_dispatch_write (mr=0x555557747cd0, addr=20, data=4587521, size=4, attrs=...) at /home/test/qemu1/qemu/memory.c:1499 6 0x00005555558030af in flatview_write_continue (fv=0x7fffe0061130, addr=4273930260, attrs=..., buf=0x7ffff7ff0028 "\001", len=4, addr1=20, l=4, mr=0x555557747cd0) at /home/test/qemu1/qemu/exec.c:3234 7 0x00005555558031f9 in flatview_write (fv=0x7fffe0061130, addr=4273930260, attrs=..., buf=0x7ffff7ff0028 "\001", len=4) at /home/test/qemu1/qemu/exec.c:3273 8 0x00005555558034ff in address_space_write ( ---Type <return> to continue, or q <return> to quit--- as=0x555556758480 <address_space_memory>, addr=4273930260, attrs=..., buf=0x7ffff7ff0028 "\001", len=4) at /home/test/qemu1/qemu/exec.c:3363 9 0x0000555555803550 in address_space_rw ( as=0x555556758480 <address_space_memory>, addr=4273930260, attrs=..., buf=0x7ffff7ff0028 "\001", len=4, is_write=true) at /home/test/qemu1/qemu/exec.c:3374 10 0x00005555558884a1 in kvm_cpu_exec (cpu=0x555556920e40) at /home/test/qemu1/qemu/accel/kvm/kvm-all.c:2031 11 0x000055555584cd9d in qemu_kvm_cpu_thread_fn (arg=0x555556920e40) at /home/test/qemu1/qemu/cpus.c:1281 12 0x0000555555dbaf6d in qemu_thread_start (args=0x5555569438a0) at util/qemu-thread-posix.c:502 13 0x00007ffff5dc86db in start_thread (arg=0x7fffe9735700) at pthread_create.c:463 14 0x00007ffff5af188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Signed-off-by: Li Qiang <liq3ea@163.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20190120055558.32984-3-liq3ea@163.com Signed-off-by: Max Reitz <mreitz@redhat.com> |
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.. | ||
9pfs | ||
acpi | ||
adc | ||
alpha | ||
arm | ||
audio | ||
block | ||
bt | ||
char | ||
core | ||
cpu | ||
cris | ||
display | ||
dma | ||
gpio | ||
hppa | ||
hyperv | ||
i2c | ||
i386 | ||
ide | ||
input | ||
intc | ||
ipack | ||
ipmi | ||
isa | ||
lm32 | ||
m68k | ||
mem | ||
microblaze | ||
mips | ||
misc | ||
moxie | ||
net | ||
nios2 | ||
nvram | ||
openrisc | ||
pci | ||
pci-bridge | ||
pci-host | ||
pcmcia | ||
ppc | ||
rdma | ||
riscv | ||
s390x | ||
scsi | ||
sd | ||
sh4 | ||
smbios | ||
sparc | ||
sparc64 | ||
ssi | ||
timer | ||
tpm | ||
tricore | ||
unicore32 | ||
usb | ||
vfio | ||
virtio | ||
watchdog | ||
xen | ||
xenpv | ||
xtensa | ||
Makefile.objs |