Hi, On Sat, Jun 22, 2019 at 08:15:06PM +0000, Debian Bug Tracking System wrote: > Your message dated Sat, 22 Jun 2019 22:10:34 +0200 > with message-id <20190622201034.ga4...@home.ouaza.com> > and subject line Re: Bug#930929: libvirt: is no longer able to use kvm > has caused the Debian Bug report #930929, > regarding libvirt: is no longer able to use kvm > to be marked as done. > > This means that you claim that the problem has been dealt with. > If this is not the case it is now your responsibility to reopen the > Bug report if necessary, and/or fix the problem forthwith. > > (NB: If you are a system administrator and have no idea what this > message is talking about, this may indicate a serious mail system > misconfiguration somewhere. Please contact ow...@bugs.debian.org > immediately.) > > > -- > 930929: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=930929 > Debian Bug Tracking System > Contact ow...@bugs.debian.org with problems
> From: Raphaël Hertzog <hert...@debian.org> > To: Debian Bug Tracking System <sub...@bugs.debian.org> > Date: Sat, 22 Jun 2019 19:17:15 +0200 > Subject: libvirt: is no longer able to use kvm > X-Spam-Level: > X-Spam-Status: No, score=-35.3 required=4.0 tests=BAYES_00,FOURLA, > FROMDEVELOPER,SPF_HELO_PASS,SPF_NONE,TXREP,XMAILER_REPORTBUG, X_DEBBUGS_CC > autolearn=ham autolearn_force=no version=3.4.2-bugs.debian.org_2005_01_02 > Message-ID: > <156122383595.4344.5739740357131736912.report...@x260-buxy.home.ouaza.com> > > Source: libvirt > Version: 5.0.0-4 > Severity: serious > > For a few days/weeks (I'm not sure when it started exactly), I can no > longer run my VM with virt-manager. > > On startup of libvirtd I have many messages like this one (one for each VM > I guess): > libvirtd[8281]: invalid argument: could not find capabilities for arch=x86_64 > domaintype=kvm > > When I try to start a VM I see this in the logs of libvirtd: > libvirtd[12569]: Unable to read from monitor: Connexion ré-initialisée par le > correspondant > libvirtd[12569]: internal error: qemu unexpectedly closed the monitor: Could > not access KVM kernel module: Permission denied > 2019-06-22T17:07:23.635870Z qemu-system-x86_64: failed to > initialize KVM: Permission denied > libvirtd[12569]: internal error: process exited while connecting to monitor: > Could not access KVM kernel module: Permission denied > 2019-06-22T17:07:23.635870Z qemu-system-x86_64: failed to > initialize KVM: Permission denied > > But I do have /dev/kvm and I have hardware virtualization enabled in the > BIOS. > > $ ls -al /dev/kvm > crw-rw----+ 1 root root 10, 232 juin 22 19:07 /dev/kvm > $ getfacl /dev/kvm > # file: dev/kvm > # owner: root > # group: root > user::rw- > user:rhertzog:rw- > group::--- > mask::rw- > other::--- > > And I do have the required kernel modules: > $ lsmod|grep kvm > kvm_intel 245760 0 > kvm 724992 1 kvm_intel > irqbypass 16384 1 kvm > > I also have qemu-kvm installed: > $ dpkg -l qemu*|grep ^ii > ii qemu-kvm 1:3.1+dfsg-8 amd64 QEMU Full virtualization on > x86 hardware > ii qemu-system-common 1:3.1+dfsg-8 amd64 QEMU full system emulation > binaries (common files) > ii qemu-system-data 1:3.1+dfsg-8 all QEMU full system emulation > (data files) > ii qemu-system-gui 1:3.1+dfsg-8 amd64 QEMU full system emulation > binaries (user interface and audio support) > ii qemu-system-x86 1:3.1+dfsg-8 amd64 QEMU full system emulation > binaries (x86) > ii qemu-user 1:3.1+dfsg-8 amd64 QEMU user mode emulation > binaries > ii qemu-user-static 1:3.1+dfsg-8 amd64 QEMU user mode emulation > binaries (static version) > ii qemu-utils 1:3.1+dfsg-8 amd64 QEMU utilities > > I removed virtualbox and rebooted to make sure it's not a bad interaction but > it did not help. > I don't know what else I should look into. > > -- System Information: > Debian Release: 10.0 > APT prefers unstable > APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable'), (500, > 'oldstable'), (1, 'experimental') > Architecture: amd64 (x86_64) > Foreign Architectures: i386 > > Kernel: Linux 4.19.0-5-amd64 (SMP w/4 CPU cores) > Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8), > LANGUAGE=fr_FR.UTF-8 (charmap=UTF-8) > Shell: /bin/sh linked to /bin/dash > Init: systemd (via /run/systemd/system) > LSM: AppArmor: enabled > From: Raphael Hertzog <hert...@debian.org> > To: 930929-d...@bugs.debian.org > Date: Sat, 22 Jun 2019 22:10:34 +0200 > Subject: Re: Bug#930929: libvirt: is no longer able to use kvm > X-Spam-Level: > X-Spam-Status: No, score=-19.8 required=4.0 tests=BAYES_00,FROMDEVELOPER, > HAS_BUG_NUMBER,HEADER_FROM_DIFFERENT_DOMAINS,SPF_HELO_PASS,SPF_PASS, TXREP > autolearn=ham autolearn_force=no version=3.4.2-bugs.debian.org_2005_01_02 > Message-ID: <20190622201034.ga4...@home.ouaza.com> > > On Sat, 22 Jun 2019, Raphael Hertzog wrote: > > Still I confirm that the libvirt-qemu user is not able to open /dev/kvm. > > But after a reboot with the good systemd, it began again to work... sorry > for the noise! Thanks for reporting all the details! Should we expect issues with newer systemd then or do you deem the problems related to the patches you tested? Cheers, -- Guido