Does the bug even happen without the vestigal -O0 ? I removed that and things seem to be going better in 2.2.3, 0 failures out of 4 runs :-) See https://launchpad.net/~dank/+archive/ubuntu/guile-2.2/+packages
On Thu, Dec 28, 2017 at 4:09 PM, Rob Browning <r...@defaultvalue.org> wrote: > Dan Kegel <d...@kegel.com> writes: > >> Building guile-2.2.2 seems fine on Ubuntu 17.04, but fails with >> >> Warning: Unwind-only `out-of-memory' exception; skipping pre-unwind handler. >> FAIL: test-out-of-memory >> ================================== >> 1 of 39 tests failed >> Please report to bug-guile@gnu.org > > I also see this with 2.2.3, and assuming it's the same issue, I think > I've figured out one thing that reliably triggers it: > > CFLAGS=...-fstack-protector-strong > > By default in Debian we build using the dpkg-buildpackage flags with a > (possibly vestigial) -O0 override on amd64, i.e. we have: > > $ DEB_CFLAGS_MAINT_APPEND=-O0 dpkg-buildflags > CFLAGS=-g -O2 -fdebug-prefix-map=/home/rlb/src/guile=. > -fstack-protector-strong -Wformat -Werror=format-security -O0 > CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2 > CXXFLAGS=-g -O2 -fdebug-prefix-map=/home/rlb/src/guile=. > -fstack-protector-strong -Wformat -Werror=format-security > FCFLAGS=-g -O2 -fdebug-prefix-map=/home/rlb/src/guile=. > -fstack-protector-strong > FFLAGS=-g -O2 -fdebug-prefix-map=/home/rlb/src/guile=. > -fstack-protector-strong > GCJFLAGS=-g -O2 -fdebug-prefix-map=/home/rlb/src/guile=. > -fstack-protector-strong > LDFLAGS=-Wl,-z,relro > OBJCFLAGS=-g -O2 -fdebug-prefix-map=/home/rlb/src/guile=. > -fstack-protector-strong -Wformat -Werror=format-security > OBJCXXFLAGS=-g -O2 -fdebug-prefix-map=/home/rlb/src/guile=. > -fstack-protector-strong -Wformat -Werror=format-security > > In current Debian unstable, this crashes in test-out-of-memory as above: > > PASS: test-smob-mark > PASS: test-smob-mark-race > wrote > `/<<BUILDDIR>>/guile-2.2-2.2.3+1/cache/guile/ccache/2.2-LE-8-3.A/<<BUILDDIR>>/guile-2.2-2.2.3+1/test-suite/standalone/test-stack-overflow.go' > allocate_stack failed: Cannot allocate memory > allocate_stack failed: Cannot allocate memory > allocate_stack failed: Cannot allocate memory > allocate_stack failed: Cannot allocate memory > allocate_stack failed: Cannot allocate memory > PASS: test-stack-overflow > wrote > `/<<BUILDDIR>>/guile-2.2-2.2.3+1/cache/guile/ccache/2.2-LE-8-3.A/<<BUILDDIR>>/guile-2.2-2.2.3+1/test-suite/standalone/test-out-of-memory.go' > GC Warning: Failed to expand heap by 134348800 bytes > GC Warning: Failed to expand heap by 134217728 bytes > GC Warning: Out of Memory! Heap size: 1 MiB. Returning NULL! > error creating finalization thread: Cannot allocate memory > GC Warning: Failed to expand heap by 1000132608 bytes > GC Warning: Failed to expand heap by 1000001536 bytes > GC Warning: Out of Memory! Heap size: 1 MiB. Returning NULL! > GC Warning: Failed to expand heap by 499712 bytes > GC Warning: Failed to expand heap by 65536 bytes > GC Warning: Out of Memory! Heap size: 1 MiB. Returning NULL! > GC Warning: Failed to expand heap by 499712 bytes > GC Warning: Failed to expand heap by 65536 bytes > GC Warning: Out of Memory! Heap size: 1 MiB. Returning NULL! > Warning: Unwind-only `out-of-memory' exception; skipping pre-unwind handler. > FAIL: test-out-of-memory > ================================== > 1 of 39 tests failed > Please report to bug-guile@gnu.org > ================================== > > After investigating for a while, I found that just this was enough to > cause the crash when building from the 2.2.3 release archive: > > CFLAGS='-fstack-protector-strong' ./configure > make check > > If that flag is the problem, I'm wondering whether for now I'd be better > off quashing it, or temporarily disabling the test. i.e. is the test > detecting that something's actually wrong, or does the flag just break > one of the test's assumptions? > > Thanks > -- > Rob Browning > rlb @defaultvalue.org and @debian.org > GPG as of 2011-07-10 E6A9 DA3C C9FD 1FF8 C676 D2C4 C0F0 39E9 ED1B 597A > GPG as of 2002-11-03 14DD 432F AE39 534D B592 F9A0 25C8 D377 8C7E 73A4
