Ben,
Please find attached a tar ball containing _debian/config.{h, log, status}
of my environment where I experienced this problem. I am running Ubuntu on
Vagrant atop MacBookPro. VM has 1 vCPU core and 512MB memory as shown below.
vagrant@precise64:~$ cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 70
model name : Intel(R) Core(TM) i7-4960HQ CPU @ 2.60GHz
stepping : 1
microcode : 0xf
cpu MHz : 2594.391
cache size : 6144 KB
fpu : yes
fpu_exception : yes
cpuid level : 13
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat
pse36 clflush dts mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm
constant_tsc up arch_perfmon pebs bts nopl xtopology tsc_reliable
nonstop_tsc aperfmperf pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2
x2apic movbe popcnt aes xsave avx f16c rdrand hypervisor lahf_lm ida arat
epb pln pts dtherm fsgsbase smep
bogomips : 5188.78
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
vagrant@precise64:~$ /proc/meminfo
-bash: /proc/meminfo: Permission denied
vagrant@precise64:~$ cat /proc/meminfo
MemTotal: 496348 kB
MemFree: 405844 kB
Buffers: 9268 kB
Cached: 36304 kB
SwapCached: 0 kB
Active: 23396 kB
Inactive: 31400 kB
Active(anon): 9244 kB
Inactive(anon): 508 kB
Active(file): 14152 kB
Inactive(file): 30892 kB
Unevictable: 0 kB
Mlocked: 0 kB
SwapTotal: 522236 kB
SwapFree: 522236 kB
Dirty: 32 kB
Writeback: 0 kB
AnonPages: 9220 kB
Mapped: 8504 kB
Shmem: 532 kB
Slab: 20780 kB
SReclaimable: 8556 kB
SUnreclaim: 12224 kB
KernelStack: 528 kB
PageTables: 1744 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 770408 kB
Committed_AS: 51888 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 141304 kB
VmallocChunk: 34359594528 kB
HardwareCorrupted: 0 kB
AnonHugePages: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 40960 kB
DirectMap2M: 483328 kB
DirectMap1G: 0 kB
vagrant@precise64:~$
---
Motonori Shindo
2015-01-07 2:03 GMT+09:00 Ben Pfaff <[email protected]>:
> On Mon, Jan 05, 2015 at 09:01:38PM +0900, Motonori Shindo wrote:
> > When building OVS (the latest master) under Ubuntu 12.04, it stuck at
> the unit test "test atomic operations” and never finishes (or it could just
> be unbearably slow). This problem doesn’t happen in Ubuntu 14.04, however.
> >
> > library unit tests
> >
> > 21: test flow extractor ok
> > 22: test TCP/IP checksumming ok
> > 23: test hash functions ok
> > 24: test hash map ok
> > 25: test hash index ok
> > 26: test cuckoo hash ok
> > 27: test atomic operations <stuck here forever>
> >
> > This could be because gcc in Ubuntu 12.04 is too old that it can’t
> > handle atomic operations very well. Please see more details below
> > about two environments I experimented. Is this a known issue?
>
> We've heard similar reports before but it's challenging to find the
> problem. I can't reproduce the problem on my 32-bit Debian system by
> just, for example, switching to GCC 4.6.
>
> What's in config.h and config.log?
>
> How many cores does the system running the build have?
>
> (It would be equally useful to have these answers from anyone
> experiencing this problem.)
>
> Thanks,
>
> Ben.
>
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