Messages in this thread | | | Date | Sun, 10 Jun 2018 08:58:24 +0200 | From | Greg Kroah-Hartman <> | Subject | Re: regression: "95cde3c59966 debugfs: inode: debugfs_create_dir uses mode permission from parent" terminally annoys libvirt |
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On Fri, Jun 08, 2018 at 02:13:57PM +0200, Thomas-Mich Richter wrote: > 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 <tmricht@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.
Can you send me the revert so I can queue it up once 4.18-rc1 is out?
thanks,
greg k-h
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