Neil Jerram <n...@ossau.uklinux.net> writes: > Neil Jerram <n...@ossau.uklinux.net> writes: > >> My nightly build of master, on a relatively slow old machine, is >> hanging, on most nights, in `make check'. > > FWIW, I realized that my backtraces are very similar to those reported > by Dale here: > http://www.mail-archive.com/bug-gu...@gnu.org/msg05066.html. > > So I'll try to answer Ludo's question: > >> The other thread should have call sem_post() to release this one. Can >> you print the value of ‘GC_suspend_ack_sem’?
0x4001d424 in __kernel_vsyscall () (gdb) p GC_suspend_ack_sem $1 = 0
