Hello, For the record I replicated the problem with the latest nix-1.6.1. From my reading of the man 2 mount page the first argument should be "/dev/shm" not "none".
Thanks, FDS From: Federico Sacerdoti Sent: Wednesday, February 26, 2014 5:53 PM To: '[email protected]' Subject: build-chroot-dirs mount problem Hello, I've been using NIX for years, and like it very much. I'm trying to build a package (R, one of my favorites) in a chroot environment. I'm using nix-1.5.3 and running with multiple build users, etc. $ cat /etc/nix/nix.conf build-users-group = nix-builders use-sqlite-wal = false # TODO: This disrupts any script with #!/bin/bash build-use-chroot = true # Try for building R build-chroot-dirs = /bin=/nix/store/7mjplwq1r0agngqj2058hl5z8kb3w15g-bash-4.2-p42/bin When I try to build I see on stderr: error: failed to set up the build environment for `/nix/store/hlll5ykl3dbfpmrkz6j64xh8a7ifz30k-R-3.0.1-7.drv' When I strace the nix-daemon I see a strange call to mount: 26146 lstat("/dev/shm", {st_mode=S_IFDIR|S_ISVTX|0777, st_size=200, ...}) = 0 26146 mount("none", "/nix/store/hlll5ykl3dbfpmrkz6j64xh8a7ifz30k-R-3.0.1-7.drv.chroot/dev/shm", "tmpfs", 0, NULL) = -1 ENOENT (No such file or directory) 26146 futex(0x7feca7bcd1a4, FUTEX_WAKE_PRIVATE, 2147483647) = 0 26146 write(2, "build error: mounting /dev/shm: No such file or directory\n", 58) = 58 Seems this fails because the source = "none", which doesn't exist (ENOENT). I must be doing something wrong. Thanks FDS ________________________________ Note: This email is for the confidential use of the named addressee(s) only and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you are hereby notified that any review, dissemination or copying of this email is strictly prohibited, and to please notify the sender immediately and destroy this email and any attachments. Email transmission cannot be guaranteed to be secure or error-free. The Company, therefore, does not make any guarantees as to the completeness or accuracy of this email or any attachments. This email is for informational purposes only and does not constitute a recommendation, offer, request or solicitation of any kind to buy, sell, subscribe, redeem or perform any type of transaction of a financial product.
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