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Bug#720063: RFS: capnproto/0.2.0-1 [ITP] -- Tool for working with the Cap'n Proto data interchange format



 ❦ 18 août 2013 22:53 CEST, Tom Lee <debian@tomlee.co> :

> Ah, the Debug.Log hang seems like it might relate to a missing
> /proc/self/exe symlink -- probably because I didn't mount the /proc
> filesystem. Here's the relevant bit of strace output:
>
> [pid  7463] write(3, "[       OK ] Exception.Exception"..., 143 <unfinished ...>
> [pid 13045] readlink("/proc/self/exe",  <unfinished ...>
> [pid  7463] <... write resumed> )       = 143
> [pid 13045] <... readlink resumed> 0x7fff11d94460, 512) = -1 ENOENT
> (No such file or directory)
> [pid  7463] read(0, "[ RUN      ] Debug.Log\n", 8192) = 23
> [pid  7463] write(1, "[ RUN      ] Debug.Log\n", 23[ RUN      ] Debug.Log
> ) = 23
> [pid 13045] futex(0x2aaaabaa75e0, FUTEX_WAIT_PRIVATE, 2, NULL <unfinished ...>
> [pid  7463] write(3, "[ RUN      ] Debug.Log\n", 23) = 23
> [pid  7463] read(0,
>
> The last two futex(...) & read(...) calls wait around forever.
>
> Might be a silly question, but I'm guessing it's standard practice to
> mount /proc when doing these chrooted builds?
>
> And assuming the build servers are using a chroot, can I also assume
> they will mount procfs on /proc prior to executing a build?
>
> Either way, I'm going to mount /proc in my chroot & try again.

Yes, you can count on /proc being present. And you should really try
pbuilder or cowbuilder. This is just a matter of doing:

 cowbuilder --create
 cowbuilder --update
 cowbuilder --build your.dsc
-- 
panic("Oh boy, that early out of memory?");
	2.2.16 /usr/src/linux/arch/mips/mm/init.c

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