Re: [Bug 1848901] [NEW] kvm_mem_ioeventfd_add: error adding ioeventfd: No space left on device (28)

[John Snow]

On 10/19/19 9:50 PM, P.O. wrote:
> Public bug reported:
> 
> => QEMU process has stopped, return code: -6
> 
> Start QEMU with /usr/bin/qemu-system-x86_64 -name CiscoASAv9.8.1-1 -m
> 2048M -smp cpus=1 -enable-kvm -machine smm=off -boot order=c -drive
> 'file=/home/deemon/GNS3/projects/ASAv my ass/project-files/qemu
> /7725cdea-5e66-4777-b4dd-
> c3905f258394/hda_disk.qcow2,if=virtio,index=0,media=disk,id=drive0'
> -uuid 7725cdea-5e66-4777-b4dd-c3905f258394 -serial
> telnet:127.0.0.1:5000,server,nowait -monitor
> tcp:127.0.0.1:44629,server,nowait -net none -device
> e1000,mac=0c:7a:1d:83:94:00,netdev=gns3-0 -netdev
> socket,id=gns3-0,udp=127.0.0.1:10001,localaddr=127.0.0.1:10000 -device
> e1000,mac=0c:7a:1d:83:94:01,netdev=gns3-1 -netdev
> socket,id=gns3-1,udp=127.0.0.1:10003,localaddr=127.0.0.1:10002 -device
> e1000,mac=0c:7a:1d:83:94:02,netdev=gns3-2 -netdev
> socket,id=gns3-2,udp=127.0.0.1:10005,localaddr=127.0.0.1:10004 -device
> e1000,mac=0c:7a:1d:83:94:03,netdev=gns3-3 -netdev
> socket,id=gns3-3,udp=127.0.0.1:10007,localaddr=127.0.0.1:10006 -device
> e1000,mac=0c:7a:1d:83:94:04,netdev=gns3-4 -netdev
> socket,id=gns3-4,udp=127.0.0.1:10009,localaddr=127.0.0.1:10008 -device
> e1000,mac=0c:7a:1d:83:94:05,netdev=gns3-5 -netdev
> socket,id=gns3-5,udp=127.0.0.1:10011,localaddr=127.0.0.1:10010 -device
> e1000,mac=0c:7a:1d:83:94:06,netdev=gns3-6 -netdev
> socket,id=gns3-6,udp=127.0.0.1:10013,localaddr=127.0.0.1:10012 -device
> e1000,mac=0c:7a:1d:83:94:07,netdev=gns3-7 -netdev
> socket,id=gns3-7,udp=127.0.0.1:10015,localaddr=127.0.0.1:10014
> -nographic
> 

Reminds me of #1813940 https://bugs.launchpad.net/qemu/+bug/1813940

but that fix was in v4.1.0.

>  
> Execution log:
> kvm_mem_ioeventfd_add: error adding ioeventfd: No space left on device (28)
> 
> and then it just closes...
> 
> 
> [deemon@Zen ~]$ coredumpctl info 8638
>            PID: 8638 (qemu-system-x86)
>            UID: 1000 (deemon)
>            GID: 1000 (deemon)
>         Signal: 6 (ABRT)
>      Timestamp: Sun 2019-10-20 04:27:29 EEST (5min ago)
>   Command Line: /usr/bin/qemu-system-x86_64 -name CiscoASAv9.8.1-1 -m 2048M 
> -smp cpus=1 -enable-kvm -machine smm=off -boot order=c -drive 
> file=/home/deemon/GNS3/projects/ASAv my ass/project-files/qemu>
>     Executable: /usr/bin/qemu-system-x86_64
>  Control Group: /user.slice/user-1000.slice/session-2.scope
>           Unit: session-2.scope
>          Slice: user-1000.slice
>        Session: 2
>      Owner UID: 1000 (deemon)
>        Boot ID: cd30f69a8d194359a31889dc7b6b026c
>     Machine ID: d0a2d74a5cd9430797d902f5237c448d
>       Hostname: Zen
>        Storage: 
> /var/lib/systemd/coredump/core.qemu-system-x86.1000.cd30f69a8d194359a31889dc7b6b026c.8638.1571534849000000.lz4
>  (truncated)
>        Message: Process 8638 (qemu-system-x86) of user 1000 dumped core.
>                 
>                 Stack trace of thread 8642:
>                 #0  0x00007f1a33609f25 n/a (n/a)
> 
> ** Affects: qemu
>      Importance: Undecided
>          Status: New
>