search for: no_timer_check

Add a way to disable the timer IRQ routing check via a boot option. The VMI timer code uses this to avoid triggering the pester Mingo code, which probes for some very unusual and broken motherboard routings. It fires 100% of the time when using a paravirtual delay mechanism instead of using a realtime delay, since there is no elapsed real time, and the 4 timer IRQs have not yet been delivered.

Add a way to disable the timer IRQ routing check via a boot option. The VMI timer code uses this to avoid triggering the pester Mingo code, which probes for some very unusual and broken motherboard routings. It fires 100% of the time when using a paravirtual delay mechanism instead of using a realtime delay, since there is no elapsed real time, and the 4 timer IRQs have not yet been delivered.

The variable no_timer_check does not exist in UP builds; don't try to set it in the vmi init code. Signed-off-by: Zachary Amsden <zach@vmware.com> diff -r 21d7686ee318 arch/i386/kernel/vmi.c --- a/arch/i386/kernel/vmi.c Thu Jan 04 15:23:30 2007 -0800 +++ b/arch/i386/kernel/vmi.c Thu Jan 04 15:55:39 2007 -0800 @@ -...

The variable no_timer_check does not exist in UP builds; don't try to set it in the vmi init code. Signed-off-by: Zachary Amsden <zach@vmware.com> diff -r 21d7686ee318 arch/i386/kernel/vmi.c --- a/arch/i386/kernel/vmi.c Thu Jan 04 15:23:30 2007 -0800 +++ b/arch/i386/kernel/vmi.c Thu Jan 04 15:55:39 2007 -0800 @@ -...

...ne just hung at: $ ./run libguestfs-test-tool [. . .] -chardev socket,path=/home/tuser1/src/libguestfs/tmp/libguestfspCGc1F/guestfsd.sock,id=channel0 \ -device virtserialport,chardev=channel0,name=org.libguestfs.channel.0 \ -append 'panic=1 console=ttyS0 udevtimeout=600 no_timer_check lpj=2294686 acpi=off printk.time=1 cgroup_disable=memory root=/dev/sdb selinux=0 guestfs_verbose=1 TERM=screen' Let's try with TCG ------------------ $ guestfish get_backend direct $ export LIBGUESTFS_BACKEND_SETTINGS=force_tcg $ guestfish get_backend_settings force_t...

...rive=appliance \ > -device virtio-serial-pci \ > -serial stdio \ > -chardev socket,path=/tmp/libguestfskHPB9d/guestfsd.sock,id=channel0 \ > -device virtserialport,chardev=channel0,name=org.libguestfs.channel.0 \ > -append 'panic=1 console=ttyS0 udevtimeout=600 no_timer_check acpi=off > printk.time=1 cgroup_disable=memory root=/dev/sda selinux=0 > guestfs_verbose=1 TERM=xterm' > Using QEMU e500 machine description > MMU: Supported page sizes > 4 KB as direct > 1024 KB as direct > 2048 KB as direct > 4096 KB as direc...

...e to nested lock acquisition. Drop this. We don't need to check for wallclock time at every tick, it can be done in userspace instead. 3) Add a bypass to disable noidle operation. This is useful as a last minute workaround, or testing measure. 4) The code to skip the IO_APIC timer testing (no_timer_check) should be conditional on IO_APIC, not SMP, since UP kernels can have this configured in as well. Signed-off-by: Dan Hecht <dhecht@vmware.com> Signed-off-by: Zachary Amsden <zach@vmware.com> diff -r f62ebe3ba01c arch/i386/kernel/vmi.c --- a/arch/i386/kernel/vmi.c Tue Feb 27 14:01:28 2...

...e to nested lock acquisition. Drop this. We don't need to check for wallclock time at every tick, it can be done in userspace instead. 3) Add a bypass to disable noidle operation. This is useful as a last minute workaround, or testing measure. 4) The code to skip the IO_APIC timer testing (no_timer_check) should be conditional on IO_APIC, not SMP, since UP kernels can have this configured in as well. Signed-off-by: Dan Hecht <dhecht@vmware.com> Signed-off-by: Zachary Amsden <zach@vmware.com> diff -r f62ebe3ba01c arch/i386/kernel/vmi.c --- a/arch/i386/kernel/vmi.c Tue Feb 27 14:01:28 2...

Hi Rich I'm able to solve the problem regarding PAPR in libguestfs on my powerpc ubuntu.By default the libguestfs was configuring pseries machine and afterwards I changed it to my original machine i.e ppce500 .The changes are performed in ./src/guestfs-internal.h file. Thanks On Tue, Jun 10, 2014 at 7:58 PM, Richard W.M. Jones <rjones@redhat.com> wrote: > On Wed, Jun 04, 2014 at

...-chardev socket,path=/tmp/libguestfssaaw6T/guestfsd.sock,id=channel0 \ -device virtserialport,chardev=channel0,name=org.libguestfs.channel.0 \ -kernel /var/tmp/.guestfs-501/kernel.30285 \ -initrd /var/tmp/.guestfs-501/initrd.30285 \ -append 'panic=1 console=ttyS0 udevtimeout=300 no_timer_check acpi=off printk.time=1 cgroup_disable=memory selinux=0 guestfs_verbose=1 TERM=screen-bce ' \ -drive file=/var/tmp/.guestfs-501/root.30285,snapshot=on,if=virtio,cache=unsafeqemu-kvm: -drive file=/dev/xenvg/123,cache=off,format=qcow2,if=virtio: could not open disk image /dev/xenvg/123: Invali...

...-chardev socket,path=/tmp/libguestfsKr0x6j/guestfsd.sock,id=channel0 \ -device virtserialport,chardev=channel0,name=org.libguestfs.channel.0 \ -netdev user,id=usernet,net=169.254.0.0/16 \ -device virtio-net-pci,netdev=usernet \ -append 'panic=1 console=ttyS0 udevtimeout=600 no_timer_check acpi=off printk.time=1 cgroup_disable=memory root=/dev/sdc selinux=0 guestfs_verbose=1 TERM=dumb' \x1b[1;256r\x1b[256;256H\x1b[6n Google, Inc. Serial Graphics Adapter 02/18/13 SGABIOS $Id: sgabios.S 8 2010-04-22 00:03:40Z nlaredo $ (mockbuild@) Mon Feb 18 08:29:02 UTC 2013 Term: 80x24 4 0 SeaBI...

Hi, I have a KVM host running ubuntu 18.04 with libguestfs-tools version 1.36.13-1ubuntu3.3 installed from the Ubuntu's repo and when I try to use virt-cat for example on a VM it fails with: libguestfs: error: appliance closed the connection unexpectedly. > libguestfs: error: guestfs_launch failed. After doing "export LIBGUESTFS_DEBUG=1 LIBGUESTFS_TRACE=1" and running the

...ot;/>\n </clock>\n <os>\n <type>hvm</type>\n <kernel>/var/tmp/.guestfs-0/appliance.d/kernel</kernel>\n <initrd>/var/tmp/.guestfs-0/appliance.d/initrd</initrd>\n <cmdline>panic=1 console=ttyS0 edd=off udevtimeout=6000 udev.event-timeout=6000 no_timer_check printk.time=1 cgroup_disable=memory usbcore.nousb cryptomgr.notests tsc=reliable 8250.nr_uarts=1 root=/dev/sdb selinux=0 guestfs_verbose=1 TERM=vt220</cmdline>\n <bios useserial="yes"/>\n </os>\n <on_reboot>destroy</on_reboot>\n <devices>\n &lt...

Hi, I have some issues with libguestfs. I download the libguestfs-0.18.3 source code and read the README file. it requested qemu >= 0.13, my qemu version is qemu-1.0.1 requested kernel version >= 2.6.34, my kernel version is 3.1.4 the most of requirement for compiling I reached. but I completed compiltion and executed command. the guestfish hang there. the following was my operating steps:

...t; -serial stdio \ > -device sga \ > -chardev socket,path=/tmp/libguestfsRFgWd6/guestfsd.sock,id=channel0 \ > -device virtserialport,chardev=channel0,name=org.libguestfs.channel.0 \ > -append 'panic=1 console=ttyS0 edd=off udevtimeout=6000 udev.event-timeout=6000 no_timer_check printk.time=1 cgroup_disable=memory usbcore.nousb cryptomgr.notests tsc=reliable 8250.nr_uarts=1 root=/dev/sdb selinux=0 guestfs_verbose=1 TERM=xterm-256color' > libguestfs: responding to serial console Device Status Report > \x1b[1;256r\x1b[256;256H\x1b[6n > Google, Inc. > Serial G...

...-device sga \ > > -chardev socket,path=/tmp/libguestfsRFgWd6/guestfsd.sock,id=channel0 > \ > > -device > virtserialport,chardev=channel0,name=org.libguestfs.channel.0 \ > > -append 'panic=1 console=ttyS0 edd=off udevtimeout=6000 > udev.event-timeout=6000 no_timer_check printk.time=1 cgroup_disable=memory > usbcore.nousb cryptomgr.notests tsc=reliable 8250.nr_uarts=1 root=/dev/sdb > selinux=0 guestfs_verbose=1 TERM=xterm-256color' > > libguestfs: responding to serial console Device Status Report > > \x1b[1;256r\x1b[256;256H\x1b[6n > > G...

...tmp/libguestfsH1o0hZ/guestfsd.sock,id=channel0 \ >> -device virtserialport,chardev=channel0,name=org.libguestfs.channel.0 \ >> -kernel /var/tmp/.guestfs-0/kernel.2492 \ >> -initrd /var/tmp/.guestfs-0/initrd.2492 \ >> -append 'panic=1 console=ttyS0 udevtimeout=600 no_timer_check acpi=off >> printk.time=1 cgroup_disable=memory root=/dev/sdb selinux=0 >> guestfs_verbose=1 TERM=xterm'\x1b[1;256r\x1b[256;256H\x1b[6n >> Google, Inc. >> Serial Graphics Adapter 06/09/13 >> SGABIOS $Id: sgabios.S 8 2010-04-22 00:03:40Z nlaredo $ (buildd@allspice)...

...cg \ -m 500 \ -no-reboot \ -no-hpet \ -serial stdio \ -net user,vlan=0,net=10.0.2.0/24 \ -net nic,model=virtio,vlan=0 \ -kernel /var/tmp/.guestfs-0/kernel.27302 \ -initrd /var/tmp/.guestfs-0/initrd.27302 \ -append 'panic=1 noapic console=ttyS0 udevtimeout=600 no_timer_check acpi=off printk.time=1 cgroup_disable=memory root=/dev/vdb selinux=0 guestfs_vmchannel=tcp:10.0.2.2:33186 guestfs_verbose=1 TERM=vt100'Could not access KVM kernel module: No such file or directory failed to initialize KVM: No such file or directory Back to tcg accelerator. Linux version 2.6.18-...

...-machine accel=kvm:tcg -m 500 -no-reboot -no-hpet -serial stdio -net user,vlan=0,net=10.0.2.0/24 -net nic,model=virtio,vlan=0 -kernel /var/tmp/.guestfs-0/kernel.28754 -initrd /var/tmp/.guestfs-0/initrd.28754 -append 'panic=1 noapic console=ttyS0 udevtimeout=600 no_timer_check acpi=off printk.time=1 cgroup_disable=memory root=/dev/vdc selinux=0 guestfs_vmchannel=tcp:10.0.2.2:45041 guestfs_verbose=1 TERM=vt100' Could not access KVM kernel module: No such file or directory failed to initialize KVM: No such file or directory Back to tcg accelerator. Linux version 2.6.18...

...-chardev socket,path=/tmp/libguestfsKr0x6j/guestfsd.sock,id=channel0 \ -device virtserialport,chardev=channel0,name=org.libguestfs.channel.0 \ -netdev user,id=usernet,net=169.254.0.0/16 \ -device virtio-net-pci,netdev=usernet \ -append 'panic=1 console=ttyS0 udevtimeout=600 no_timer_check acpi=off printk.time=1 cgroup_disable=memory root=/dev/sdc selinux=0 guestfs_verbose=1 TERM=dumb' \x1b[1;256r\x1b[256;256H\x1b[6n Google, Inc. Serial Graphics Adapter 02/18/13 SGABIOS $Id: sgabios.S 8 2010-04-22 00:03:40Z nlaredo $ (mockbuild@) Mon Feb 18 08:29:02 UTC 2013 Term: 80x24 4 0 SeaBI...