search for: __poll_nocancel

...hat.com>: > On Mon, Aug 29, 2016 at 11:19:04PM +0800, Baochuan Wu wrote: > > Thanks Rich for you quick reply. I enabled logs and the program stuck > > again, here is the call stack and log: > > Thread 1 (Thread 0x7fac58edc8c0 (LWP 1271)): > > #0 0x00007fac578fac20 in __poll_nocancel () from /lib64/libc.so.6 > > #1 0x00007fac56df3c5a in virNetClientIOEventLoop () from > > /lib64/libvirt.so.0 > > #2 0x00007fac56df441b in virNetClientSendInternal () from > > /lib64/libvirt.so.0 > > #3 0x00007fac56df5843 in virNetClientSendWithReply () from > &g...

...###############################--------------------------------------------------------] 00:15 It has been stuck for about 10 minutes. I can see if is in guestfs_launch(): -bash-4.2# gdb -p `pidof guestfish` -ex "set confirm off" -ex "bt" -ex "q" 0x00007fe6f6b5a680 in __poll_nocancel () at ../sysdeps/unix/syscall-template.S:81 81 T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS) #0 0x00007fe6f6b5a680 in __poll_nocancel () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fe6f795eea4 in poll (__timeout=-1, __nfds=2, __fds=0x7ffe4c0537b0) at /usr/include/bits/poll2.h:41 #...

...annel type="unix"> <source mode="bind" path="/var/run/vm1.sock"/> <target type="virtio" name="org.guest_agent.0"/> </channel> </devices> </domain> i have this calls on stack 0 0x00007ffff48c1750 __poll_nocancel 1 0x00007ffff649e5ca virNetClientIOEventLoop 2 0x00007ffff649ed96 virNetClientSendInternal 3 0x00007ffff64a0443 virNetClientSendWithReply 4 0x00007ffff64a0daa virNetClientProgramCall 5 0x00007ffff6478566 callFull.isra.2 6 0x00007ffff6487fa2 remoteDomainDefineXML...

...; <target type="virtio" name="org.guest_agent.0"/> > > > > </channel> > > > > </devices> > > > > </domain> > > > > i have this calls on stack > > > > 0 0x00007ffff48c1750 __poll_nocancel > > 1 0x00007ffff649e5ca virNetClientIOEventLoop > > This is just probably a client waiting for the corresponding libvirtd to > provide a reply message. Are you able to get libvirtd debug logs so we > can see what's going on? > > http://wiki.libvirt.org/page/DebugLog...

...t; > >>> > >>> </channel> > >>> > >>> </devices> > >>> > >>> </domain> > >>> > >>> i have this calls on stack > >>> > >>> 0 0x00007ffff48c1750 __poll_nocancel > >>> 1 0x00007ffff649e5ca virNetClientIOEventLoop > >> > >> This is just probably a client waiting for the corresponding libvirtd to > >> provide a reply message. Are you able to get libvirtd debug logs so we > >> can see what's going on? >...

Thanks Rich for you quick reply. I enabled logs and the program stuck again, here is the call stack and log: Thread 1 (Thread 0x7fac58edc8c0 (LWP 1271)): #0 0x00007fac578fac20 in __poll_nocancel () from /lib64/libc.so.6 #1 0x00007fac56df3c5a in virNetClientIOEventLoop () from /lib64/libvirt.so.0 #2 0x00007fac56df441b in virNetClientSendInternal () from /lib64/libvirt.so.0 #3 0x00007fac56df5843 in virNetClientSendWithReply () from /lib64/libvirt.so.0 #4 0x00007fac56df6052 in virNetClien...

...devices> >>>>>>>>> >>>>>>>>> </domain> >>>>>>>>> >>>>>>>>> i have this calls on stack >>>>>>>>> >>>>>>>>> 0 0x00007ffff48c1750 __poll_nocancel >>>>>>>>> 1 0x00007ffff649e5ca virNetClientIOEventLoop >>>>>>>> This is just probably a client waiting for the corresponding >>>>>>>> libvirtd >>>>>>>> to >>>>>>>> provide a...

...gt;>>> </devices> >>>>>>>> >>>>>>>> </domain> >>>>>>>> >>>>>>>> i have this calls on stack >>>>>>>> >>>>>>>> 0 0x00007ffff48c1750 __poll_nocancel >>>>>>>> 1 0x00007ffff649e5ca virNetClientIOEventLoop >>>>>>> This is just probably a client waiting for the corresponding libvirtd >>>>>>> to >>>>>>> provide a reply message. Are you able to get libvirtd debug...

...>>>>> > >>>>>>>>> </domain> > >>>>>>>>> > >>>>>>>>> i have this calls on stack > >>>>>>>>> > >>>>>>>>> 0 0x00007ffff48c1750 __poll_nocancel > >>>>>>>>> 1 0x00007ffff649e5ca virNetClientIOEventLoop > >>>>>>>> > >>>>>>>> This is just probably a client waiting for the corresponding > >>>>>>>> libvirtd > >>>>>...

..., Baochuan Wu wrote: > Hello everyone, > > I am using libguestfs on CentOS 7.2. I am trying to modify Red Hat 5.4 > disks. I am using C/C++. I found the process gets stuck > inside guestfs_launch: > > Thread 1 (Thread 0x7fe3aa6148c0 (LWP 1265)): > #0 0x00007fe3a9032c20 in __poll_nocancel () from /lib64/libc.so.6 > #1 0x00007fe3aa1e5ea4 in read_data () from /lib64/libguestfs.so.0 > #2 0x00007fe3aa20af0c in guestfs_int_recv_from_daemon () from > /lib64/libguestfs.so.0 > #3 0x00007fe3aa204ae0 in launch_libvirt () from /lib64/libguestfs.so.0 > #4 0x00007fe3aa1fab2b i...

On Mon, Aug 29, 2016 at 11:19:04PM +0800, Baochuan Wu wrote: > Thanks Rich for you quick reply. I enabled logs and the program stuck > again, here is the call stack and log: > Thread 1 (Thread 0x7fac58edc8c0 (LWP 1271)): > #0 0x00007fac578fac20 in __poll_nocancel () from /lib64/libc.so.6 > #1 0x00007fac56df3c5a in virNetClientIOEventLoop () from > /lib64/libvirt.so.0 > #2 0x00007fac56df441b in virNetClientSendInternal () from > /lib64/libvirt.so.0 > #3 0x00007fac56df5843 in virNetClientSendWithReply () from > /lib64/libvirt.so.0 > #4...

...t;source mode="bind" path="/var/run/vm1.sock"/> > <target type="virtio" name="org.guest_agent.0"/> > </channel> > </devices> > </domain> > > i have this calls on stack > > 0 0x00007ffff48c1750 __poll_nocancel > 1 0x00007ffff649e5ca virNetClientIOEventLoop This is just probably a client waiting for the corresponding libvirtd to provide a reply message. Are you able to get libvirtd debug logs so we can see what's going on? http://wiki.libvirt.org/page/DebugLogs BTW, what's the libv...

...ot;virtio" name="org.guest_agent.0"/> >>> >>> </channel> >>> >>> </devices> >>> >>> </domain> >>> >>> i have this calls on stack >>> >>> 0 0x00007ffff48c1750 __poll_nocancel >>> 1 0x00007ffff649e5ca virNetClientIOEventLoop >> >> This is just probably a client waiting for the corresponding libvirtd to >> provide a reply message. Are you able to get libvirtd debug logs so we >> can see what's going on? >> >> http://wiki....

Hello everyone, I am using libguestfs on CentOS 7.2. I am trying to modify Red Hat 5.4 disks. I am using C/C++. I found the process gets stuck inside guestfs_launch: Thread 1 (Thread 0x7fe3aa6148c0 (LWP 1265)): #0 0x00007fe3a9032c20 in __poll_nocancel () from /lib64/libc.so.6 #1 0x00007fe3aa1e5ea4 in read_data () from /lib64/libguestfs.so.0 #2 0x00007fe3aa20af0c in guestfs_int_recv_from_daemon () from /lib64/libguestfs.so.0 #3 0x00007fe3aa204ae0 in launch_libvirt () from /lib64/libguestfs.so.0 #4 0x00007fe3aa1fab2b in guestfs_impl_launch ()...