[DragonFlyBSD - Bug #3225] nfsd freeze when using qemu

bugtracker-admin at leaf.dragonflybsd.org bugtracker-admin at leaf.dragonflybsd.org
Tue Mar 17 11:52:47 PDT 2020

Issue #3225 has been updated by tse.

See #3170 #3208

Bug #3225: nfsd freeze when using qemu

* Author: tse
* Status: New
* Priority: Normal
* Assignee: 
* Category: 
* Target version: 
Similar to previous freezes, but now is immediately reproducable on 5.8 with:

pgrep rpcbind || doas rpcbind
pgrep nfsd    || doas nfsd -u -t -n 1
pgrep mountd  || doas mountd -r -n
export QEMU_AUDIO_DRV=oss
qemu-system-x86_64 \
  -cpu max -smp 2 -m 2048 \
  -drive file=snapshot.qcow2,format=qcow2 \
	-M q35 -device intel-iommu,intremap=on \
  -netdev user,id=net0,net=,hostfwd=tcp::2222-:22 \
  -device e1000,netdev=net0 \
  -device virtio-rng-pci \
  -soundhw hda

/share/linux -mapall=tse -alldirs

Once the qemu os boots and connects to the nfs share, then the whole system freezes

core.txt.10 (188 KB)

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