Re: [Xen-devel] [libvirt test] 58119: regressions - FAIL

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Mon, 2015-06-15 at 15:30 +0100, Anthony PERARD wrote:
> The "No response from client ..." appear only on armhf as far as I can
> tell.

Indeed, and I just noticed while developing osstest for arm64 that the
daemon is segfaulting, and we even managed to collect a core dump, not
this time but in:

http://logs.test-lab.xenproject.org/osstest/logs/58693/test-armhf-armhf-libvirt/info.html

Although the core and the build stuff is all there it was a bit easier
to just install gdb on the arm64 system in my hands, it reports:

Program terminated with signal SIGSEGV, Segmentation fault.
#0  malloc_consolidate (av=av@entry=0x7fa0000020) at malloc.c:4151
4151    malloc.c: No such file or directory.
(gdb) bt
#0  malloc_consolidate (av=av@entry=0x7fa0000020) at malloc.c:4151
#1  0x0000007faf2adc50 in _int_malloc (av=av@entry=0x7fa0000020, 
bytes=bytes@entry=1100) at malloc.c:3423
#2  0x0000007faf2afc20 in __GI___libc_malloc (bytes=bytes@entry=1100) at 
malloc.c:2891
#3  0x0000007faf2b0580 in __GI___libc_realloc (oldmem=0x0, bytes=1100) at 
malloc.c:2972
#4  0x0000007faf434d98 in virReallocN () from /usr/local/lib/libvirt.so.0
#5  0x0000007faf438f34 in virBufferGrow () from /usr/local/lib/libvirt.so.0
#6  0x0000007faf4397b8 in virBufferVasprintf () from /usr/local/lib/libvirt.so.0
#7  0x0000007faf439700 in virBufferAsprintf () from /usr/local/lib/libvirt.so.0
#8  0x0000007faf51b7f0 in virDomainObjFormat () from /usr/local/lib/libvirt.so.0
#9  0x0000007faf51c078 in virDomainSaveStatus () from 
/usr/local/lib/libvirt.so.0
#10 0x0000007fac510d88 in libxlDomainStart () from 
/usr/local/lib/libvirt/connection-driver/libvirt_driver_libxl.so
#11 0x0000007fac5136c4 in libxlDomainCreateXML () from 
/usr/local/lib/libvirt/connection-driver/libvirt_driver_libxl.so
#12 0x0000007faf5977c0 in virDomainCreateXML () from /usr/local/lib/libvirt.so.0
#13 0x00000055887730c8 in remoteDispatchDomainCreateXML ()
#14 0x0000005588772fb8 in remoteDispatchDomainCreateXMLHelper ()
#15 0x00000055887cb694 in virNetServerProgramDispatchCall ()
#16 0x00000055887cb220 in virNetServerProgramDispatch ()
#17 0x00000055887c2810 in virNetServerProcessMsg ()
#18 0x00000055887c2910 in virNetServerHandleJob ()
#19 0x0000007faf4ba738 in virThreadPoolWorker () from 
/usr/local/lib/libvirt.so.0
#20 0x0000007faf4b989c in virThreadHelper () from /usr/local/lib/libvirt.so.0
#21 0x0000007faf388e34 in start_thread (arg=0x7fae6540c0) at 
pthread_create.c:311
#22 0x0000007faf2ff7c0 in clone () at 
../ports/sysdeps/unix/sysv/linux/aarch64/nptl/../clone.S:96

Maybe that means something to someone, if not I'll try and make time to
look at it.

Ian.


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