On 06/08/2018 09:16 AM, Mike Galbraith wrote:
> Greetings,
>
> $subject bisected and verified via revert. Box is garden variety
> i4790, distro is openSUSE Leap 15.0.
>
> Error starting domain: internal error: process exited while connecting to
> monitor: ioctl(KVM_CREATE_VM) failed: 12 Cannot allocate memory
> 2018-06-08T03:18:00.453006Z qemu-system-x86_64: failed to initialize KVM:
> Cannot allocate memory
>
> Traceback (most recent call last):
> File "/usr/share/virt-manager/virtManager/asyncjob.py", line 89, in
> cb_wrapper
> callback(asyncjob, *args, **kwargs)
> File "/usr/share/virt-manager/virtManager/asyncjob.py", line 125, in tmpcb
> callback(*args, **kwargs)
> File "/usr/share/virt-manager/virtManager/libvirtobject.py", line 82, in
> newfn
> ret = fn(self, *args, **kwargs)
> File "/usr/share/virt-manager/virtManager/domain.py", line 1508, in startup
> self._backend.create()
> File "/usr/lib64/python3.6/site-packages/libvirt.py", line 1069, in create
> if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self)
> libvirt.libvirtError: internal error: process exited while connecting to
> monitor: ioctl(KVM_CREATE_VM) failed: 12 Cannot allocate memory
> 2018-06-08T03:18:00.453006Z qemu-system-x86_64: failed to initialize KVM:
> Cannot allocate memory
>
> 95cde3c59966f6371b6bcd9e4e2da2ba64ee9775 is the first bad commit
> commit 95cde3c59966f6371b6bcd9e4e2da2ba64ee9775
> Author: Thomas Richter <tmri...@linux.ibm.com>
> Date: Fri Apr 27 14:35:47 2018 +0200
>
> debugfs: inode: debugfs_create_dir uses mode permission from parent
>
...
Hi,
that patch does not allocate any memory, it just sets permission on newly
created subdirectories in /sys/kernel/debug.
I do not know what ioctl(KVM_CREATE_VM) does, but maybe requires permissions
for group and others in that directory.
Best thing is to revert this patch.
--
Thomas Richter, Dept 3303, IBM s390 Linux Development, Boeblingen, Germany
--
Vorsitzende des Aufsichtsrats: Martina Koederitz
Geschäftsführung: Dirk Wittkopp
Sitz der Gesellschaft: Böblingen / Registergericht: Amtsgericht Stuttgart, HRB
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