Your message dated Tue, 1 Aug 2017 11:12:00 +0300 with message-id <[email protected]> and subject line Re: Bug#870329: qemu-user-static: please make it support a configuration file for QEMU_CPU etc has caused the Debian Bug report #870329, regarding qemu-user-static: please make it support a configuration file for QEMU_CPU etc to be marked as done.
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--- Begin Message ---Package: qemu-user-static Version: 1:2.8+dfsg-6 Severity: normal When /usr/bin/qemu-arm-static is run by default it emulates armv7l. I want to emulate armv5tel so I need to set QEMU_CPU=pxa250 before running /usr/bin/qemu-arm-static. This is OK when I want to run a single process or chroot shell. But when I want to have a full environment running with systemd-nspawn and ssh to it things don't work. I wrote the following wrapper to /usr/bin/qemu-arm-static as a hack to work around this, but it is annoying to deploy. It would be much easier if /usr/bin/qemu-arm-static would read /etc/qemu/arm.conf or something to get configuration for such things. #include <stdio.h> #include <unistd.h> #include <stdlib.h> int main(int argc, char **argv) { if(setenv("QEMU_CPU", "pxa250", 1)) { printf("Can't set $QEMU_CPU\n"); return 1; } execv("/usr/bin/qemu-arm-static.orig", argv); printf("Can't execute \"%s\" because of qemu failure\n", argv[0]); return 1; } -- System Information: Debian Release: buster/sid APT prefers unstable APT policy: (500, 'unstable') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.9.0-3-amd64 (SMP w/4 CPU cores) Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8), LANGUAGE= (charmap=UTF-8) Shell: /bin/sh linked to /bin/bash Init: systemd (via /run/systemd/system) qemu-user-static depends on no packages. Versions of packages qemu-user-static recommends: ii binfmt-support 2.1.7-1 Versions of packages qemu-user-static suggests: ii sudo 1.8.20p2-1 -- no debconf information
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--- Begin Message ---01.08.2017 09:42, Russell Coker wrote: > Package: qemu-user-static > Version: 1:2.8+dfsg-6 > Severity: normal > > When /usr/bin/qemu-arm-static is run by default it emulates armv7l. I want to > emulate armv5tel so I need to set QEMU_CPU=pxa250 before running > /usr/bin/qemu-arm-static. This is OK when I want to run a single process > or chroot shell. But when I want to have a full environment running with > systemd-nspawn and ssh to it things don't work. > > I wrote the following wrapper to /usr/bin/qemu-arm-static as a hack to work > around this, but it is annoying to deploy. It would be much easier if > /usr/bin/qemu-arm-static would read /etc/qemu/arm.conf or something to get > configuration for such things. I think using a conff file here is wrong, since it will also be global, but it smells like the cpu type should be per-instance, local to this environment. Can't systemd-nspawn systemd unit set environment variables? I dunno but I thought it can. At any rate, if you disagree, please bring this upstream. I definitely wont add this feature to be specific to debian, it should be either upstream or not implemented. I think, anyway. Thanks, /mjt
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