Hi,
[sorry for the large cross-post, but I don't really know where the
problem could be; please keep me in Cc: since I'm not debian-powerpc@
not on deity@]
The Campinas IBM team has generously made a few VMs available to run the
Debian CI (https://ci.debian.net) on ppc64el. I am having some trouble
to get it working properly due to an issue with LXC. I have done this
countless times on amd64 and arm64, and never had any issues like this
one, so that is why I suspect it's ppc64el-specific.
`apt update` inside a LXC container hangs forever like this:
# apt update
0% [Waiting for headers]^C
Running `apt update` under strace shows this infinite loop at the end:
_newselect(6, [5], [], NULL, {tv_sec=0, tv_usec=500000}) = 0 (Timeout)
rt_sigprocmask(SIG_BLOCK, [WINCH], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
0% [Waiting for headers]) = 25aders]", 25
_newselect(6, [5], [], NULL, {tv_sec=0, tv_usec=500000}) = 0 (Timeout)
rt_sigprocmask(SIG_BLOCK, [WINCH], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
0% [Waiting for headers]) = 25aders]", 25
_newselect(6, [5], [], NULL, {tv_sec=0, tv_usec=500000}) = 0 (Timeout)
rt_sigprocmask(SIG_BLOCK, [WINCH], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
0% [Waiting for headers]) = 25aders]", 25
_newselect(6, [5], [], NULL, {tv_sec=0, tv_usec=500000}) = 0 (Timeout)
rt_sigprocmask(SIG_BLOCK, [WINCH], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
0% [Waiting for headers]) = 25aders]", 25
_newselect(6, [5], [], NULL, {tv_sec=0, tv_usec=500000}) = 0 (Timeout)
rt_sigprocmask(SIG_BLOCK, [WINCH], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
0% [Waiting for headers]) = 25aders]", 25
_newselect(6, [5], [], NULL, {tv_sec=0, tv_usec=500000}^Cstrace: Process 127 detached
<detached ...>
The host is a ppc64el VM running jessie. I tried LXC guests running both
jessie and sid, and I get the same result on both.
I have also tried all of the following:
- running `apt update` from the host, when chroot'ed to the container
rootfs; just works normally
- upgrading the kernel on the host to the latest one in jessie-backports
(4.8); did not help
- upgrading LXC to the latest version from jessie-backports (2.0), and
starting the container with it; did not help
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