Nice, thanks for the update.
I checked a few recent logs and agree that the message is gone since 2.9
Some might still encounter slow guests (for other reasons) and trigger
the message, but the most common TCG emulation case is solved by this
since Artful and later.
I think we don't want to backport all the prereqs (I/O thread locking
changes) to Xenial that allow to add this change here.
** Also affects: qemu (Ubuntu)
Importance: Undecided
Status: New
** Also affects: qemu (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: qemu (Ubuntu Xenial)
Importance: Undecided
Status: New
** Also affects: qemu (Ubuntu Artful)
Importance: Undecided
Status: New
** Changed in: qemu (Ubuntu Xenial)
Status: New => Won't Fix
** Changed in: qemu (Ubuntu Artful)
Status: New => Fix Released
** Changed in: qemu (Ubuntu Bionic)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1481272
Title:
main-loop: WARNING: I/O thread spun for 1000 iterations
Status in QEMU:
New
Status in qemu package in Ubuntu:
Fix Released
Status in qemu source package in Xenial:
Won't Fix
Status in qemu source package in Artful:
Fix Released
Status in qemu source package in Bionic:
Fix Released
Bug description:
I compile the latest qemu to launch a VM but the monitor output the
"main-loop: WARNING: I/O thread spun for 1000 iterations".
# /usr/local/bin/qemu-system-x86_64 -name rhel6 -S -no-kvm -m 1024M -realtime
mlock=off -smp 1,sockets=1,cores=1,threads=1 -uuid
c9dd2a5c-40f2-fd3d-3c54-9cd84f8b9174 -rtc base=utc -drive
file=/home/samba-share/ubuntu.img,if=none,id=drive-virtio-disk0,format=qcow2,cache=none
-device
virtio-blk-pci,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=disk,serial=425618d4-871f-4021-bc5d-bcd7f1b5ca9c,bootindex=0
-vnc :1 -boot menu=on -monitor stdio
QEMU 2.3.93 monitor - type 'help' for more information
(qemu) c
(qemu) main-loop: WARNING: I/O thread spun for 1000 iterations
<-----------------------
qemu]# git branch -v
* master e95edef Merge remote-tracking branch
'remotes/sstabellini/tags/xen-migration-2.4-tag' into staging
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