I noticed version 2.7.0.668 in the nightly builds directory. However I can only find the exe files. Is there a build for linux? We are having issues where when Spark is launched, the launch/login screen is greyed out. An strace of the process shows timeouts for futex_wait. If need be, I can provide a core file.
[pid 15503] futex(0x7f2a280baa28, FUTEX_WAKE_PRIVATE, 1) = 0
[pid 15503] futex(0x7f2a280baa54, FUTEX_WAIT_BITSET_PRIVATE, 1, {2246571, 12504833}, ffffffff <unfinished ...>
[pid 15509] <... futex resumed> ) = -1 ETIMEDOUT (Connection timed out)
[pid 15509] futex(0x7f2a2826f128, FUTEX_WAKE_PRIVATE, 1) = 0
[pid 15509] futex(0x7f2a2826f154, FUTEX_WAIT_BITSET_PRIVATE, 1, {2246572, 5753242}, ffffffff <unfinished ...>
[pid 15503] <... futex resumed> ) = -1 ETIMEDOUT (Connection timed out)
[pid 15503] futex(0x7f2a280baa28, FUTEX_WAKE_PRIVATE, 1) = 0
[pid 15503] futex(0x7f2a280baa54, FUTEX_WAIT_BITSET_PRIVATE, 1, {2246571, 62916456}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
[pid 15503] futex(0x7f2a280baa28, FUTEX_WAKE_PRIVATE, 1) = 0
[pid 15503] futex(0x7f2a280baa54, FUTEX_WAIT_BITSET_PRIVATE, 1, {2246571, 113219113}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
[pid 15503] futex(0x7f2a280baa28, FUTEX_WAKE_PRIVATE, 1) = 0
[pid 15503] futex(0x7f2a280baa54, FUTEX_WAIT_BITSET_PRIVATE, 1, {2246571, 163550684}, ffffffff <unfinished ...>
[pid 15496] <... futex resumed> ) = -1 ETIMEDOUT (Connection timed out)
[pid 15496] futex(0x7f2a28078a28, FUTEX_WAKE_PRIVATE, 1) = 0
[pid 15496] futex(0x7f2a28078a54, FUTEX_WAIT_BITSET_PRIVATE, 1, {2246572, 141531727}, ffffffff <unfinished ...>
[pid 15503] <... futex resumed> ) = -1 ETIMEDOUT (Connection timed out)
[pid 15503] futex(0x7f2a280baa28, FUTEX_WAKE_PRIVATE, 1) = 0
[pid 15503] futex(0x7f2a280baa54, FUTEX_WAIT_BITSET_PRIVATE, 1, {2246571, 213864279}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
[pid 15503] futex(0x7f2a280baa28, FUTEX_WAKE_PRIVATE, 1) = 0
[pid 15503] futex(0x7f2a280baa54, FUTEX_WAIT_BITSET_PRIVATE, 1, {2246571, 264177211}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
[pid 15503] futex(0x7f2a280baa28, FUTEX_WAKE_PRIVATE, 1) = 0
[pid 15503] futex(0x7f2a280baa54, FUTEX_WAIT_BITSET_PRIVATE, 1, {2246571, 314481180}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
[pid 15503] futex(0x7f2a280baa28, FUTEX_WAKE_PRIVATE, 1) = 0
[pid 15503] futex(0x7f2a280baa54, FUTEX_WAIT_BITSET_PRIVATE, 1, {2246571, 364744685}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
[pid 15503] futex(0x7f2a280baa28, FUTEX_WAKE_PRIVATE, 1) = 0
[pid 15503] futex(0x7f2a280baa54, FUTEX_WAIT_BITSET_PRIVATE, 1, {2246571, 415052175}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
[pid 15503] futex(0x7f2a280baa28, FUTEX_WAKE_PRIVATE, 1) = 0
[pid 15503] futex(0x7f2a280baa54, FUTEX_WAIT_BITSET_PRIVATE, 1, {2246571, 465355548}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
[pid 15503] futex(0x7f2a280baa28, FUTEX_WAKE_PRIVATE, 1) = 0
[pid 15503] futex(0x7f2a280baa54, FUTEX_WAIT_BITSET_PRIVATE, 1, {2246571, 515667984}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
[pid 15503] futex(0x7f2a280baa28, FUTEX_WAKE_PRIVATE, 1) = 0
[pid 15503] futex(0x7f2a280baa54, FUTEX_WAIT_BITSET_PRIVATE, 1, {2246571, 565998531}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
[pid 15503] futex(0x7f2a280baa28, FUTEX_WAKE_PRIVATE, 1) = 0
[pid 15503] futex(0x7f2a280baa54, FUTEX_WAIT_BITSET_PRIVATE, 1, {2246571, 616270226}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
[pid 15503] futex(0x7f2a280baa28, FUTEX_WAKE_PRIVATE, 1) = 0
[pid 15503] futex(0x7f2a280baa54, FUTEX_WAIT_BITSET_PRIVATE, 1, {2246571, 666599866}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
[pid 15503] futex(0x7f2a280baa28, FUTEX_WAKE_PRIVATE, 1) = 0
[pid 15503] futex(0x7f2a280baa54, FUTEX_WAIT_BITSET_PRIVATE, 1, {2246571, 716934561}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
[pid 15503] futex(0x7f2a280baa28, FUTEX_WAKE_PRIVATE, 1) = 0
[pid 15503] futex(0x7f2a280baa54, FUTEX_WAIT_BITSET_PRIVATE, 1, {2246571, 767268950}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
[pid 15503] futex(0x7f2a280baa28, FUTEX_WAKE_PRIVATE, 1) = 0
[pid 15503] futex(0x7f2a280baa54, FUTEX_WAIT_BITSET_PRIVATE, 1, {2246571, 817576812}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
[pid 15503] futex(0x7f2a280baa28, FUTEX_WAKE_PRIVATE, 1) = 0
[pid 15503] futex(0x7f2a280baa54, FUTEX_WAIT_BITSET_PRIVATE, 1, {2246571, 867895477}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
[pid 15503] futex(0x7f2a280baa28, FUTEX_WAKE_PRIVATE, 1) = 0
[pid 15503] futex(0x7f2a280baa54, FUTEX_WAIT_BITSET_PRIVATE, 1, {2246571, 918251366}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
[pid 15503] futex(0x7f2a280baa28, FUTEX_WAKE_PRIVATE, 1) = 0
[pid 15503] futex(0x7f2a280baa54, FUTEX_WAIT_BITSET_PRIVATE, 1, {2246571, 968570380}, ffffffff) = -1 ETIMEDOUT (Connection timed out)