Control: severity -1 normal martin f krafft <firstname.lastname@example.org> (07/04/2013): > Package: src:debian-installer-utils > Severity: serious > > For a reason unknown to me, helpers like in-target and apt-install, > by way of chroot_setup and chroot_cleanup, might actually cause > /target/proc to be unmounted. This then breaks grub-install. > Arguably, commit 795bfde of grub-installer hacks around this > problem, when actually I don't think there is any reason why > /target/proc (or /target/sys, etc.) should ever be unmounted before > it's time to unmount the /target tree. > > In my case, I was experimenting with preseeding when suddenly, > grub-install failed. The reason was a missing /target/proc. > > Thinking that /target/proc should not have been unmounted, I used > the console to chdir() to it, thereby causing umount to fail. Here > is what syslog documented: > […] > > The version of d-i I am using doesn't have Steve's commit yet, so > grub-install just fails. AFAICT you're the only one having such an issue with the mount/umount dance (it might be suboptimal as far as “performances” are concerned, but that's certainly not serious); having that issue with grub-installer, which already got a fix-or-workaround in the meanwhile, makes me think it's nowhere like a serious bug. Downgrading accordingly. Mraw, KiBi.
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