| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <556C99D8.1030801@redhat.com> Date: Mon, 01 Jun 2015 13:43:52 -0400 From: Prarit Bhargava <prarit@...hat.com> To: John Stultz <john.stultz@...aro.org> CC: lkml <linux-kernel@...r.kernel.org>, Daniel Bristot de Oliveira <bristot@...hat.com>, Richard Cochran <richardcochran@...il.com>, Jan Kara <jack@...e.cz>, Jiri Bohac <jbohac@...e.cz>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Shuah Khan <shuahkh@....samsung.com> Subject: Re: [RFC][PATCH 0/4] Fixes for leapsecond expiring early ABS_TIME CLOCK_REALTIME timers On 06/01/2015 01:02 PM, John Stultz wrote: > On Mon, Jun 1, 2015 at 4:57 AM, Prarit Bhargava <prarit@...hat.com> wrote: >> >> John, native testing went well across many 32-bit and 64-bit AMD and Intel >> boxes. However, virtual (specifically KVM) guests failed with some sort of >> corruption: >> >> [ 1546.038479] Clock: inserting leap second 23:59:60 UTC >> [ 1559.774700] Clock: inserting leap second 23:59:60 UTC >> [ 1573.502989] Clock: inserting leap second 23:59:60 UTC >> [ 1587.235917] Clock: inserting leap second 23:59:60 UTC >> [ 7. X] Clock: inserting leap second 23:59:60 UTC >> [ 7. X] Clock: inserting leap second 23:59:60 UTC >> [ 7. X] Clock: inserting leap second 23:59:60 UTC >> [ 7. X] Clock: inserting leap second 23:59:60 UTC >> >> I'm going to see if I can figure out a way to kdump a guest with this problem. >> The issue is that it seems like all input to the console is ignored when this >> happens. > > Hrm. Can you send me the qemu version and command line you're using? The qemu version is 1.5.3. The command line is: /usr/libexec/qemu-kvm -name prarit_fedora_21 -S -machine pc-i440fx-rhel7.0.0,accel=kvm,usb=off -m 4096 -realtime mlock=off -smp 4,sockets=4,cores=1,threads=1 -uuid a387ab20-1b19-4519-95dd-15805d40dfa0 -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/prarit_fedora_21.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown -boot strict=on -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x5 -drive file=/var/lib/libvirt/images/prarit_fedora_21.img,if=none,id=drive-virtio-disk0,format=raw,cache=none -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -drive if=none,id=drive-ide0-1-0,readonly=on,format=raw -device ide-cd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 -netdev tap,fd=23,id=hostnet0,vhost=on,vhostfd=25 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:4f:4f:db,bus=pci.0,addr=0x3 -chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -chardev spicevmc,id=charchannel0,name=vdagent -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=com.redhat.spice.0 -device usb-tablet,id=input0 -spice port=5902,addr=127.0.0.1,disable-ticketing,seamless-migration=on -vga qxl -global qxl-vga.ram_size=67108864 -global qxl-vga.vram_size=67108864 -global qxl-vga.vgamem_mb=16 -device intel-hda,id=sound0,bus=pci.0,addr=0x4 -device hda-duplex,id=sound0-codec0,bus=sound0.0,cad=0 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x7 -msg timestamp=on P. > > thanks > -john > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists