On Tue, 2018-04-10 at 10:55 +0900, Hideki Yamane wrote: > Hi, > > On Mon, 26 Feb 2018 23:19:43 +0900 Hideki Yamane <henr...@iijmio-mail.jp> > wrote: > > > debootstrap could perhaps warn about the need to enable vsyscalls for > > > old amd64 distributions. (Annoyingly, there's no easy way to detect > > > whether they are currently enabled.) > > > > Just showing some errors about it is fine, IMO. > > And here's a proposed patch. Could you check it, please? > > > diff --git a/scripts/debian-common b/scripts/debian-common > index 4ab1fe8..830a99e 100644 > --- a/scripts/debian-common > +++ b/scripts/debian-common > @@ -59,6 +59,17 @@ first_stage_install () { > } > > second_stage_install () { > + case "$CODENAME" in > + > etch|etch-m68k|jessie|jessie-kfreebsd|lenny|squeeze|wheezy|hoary|breezy|dapper|edgy|feisty|gusty|hardy|interpid|jaunty|karmic)
"gutsy" and "intrepid" are typo'd here. > + if [ "$ARCH" = amd64 ] && [ "$HOST_ARCH" = amd64 ] && > \ > + [ $(uname -r | awk > 'BEGIN{FS="."}{printf("%d%03d", $1, $2)}') -gt 4009 ]; then I don't think you should include the kernel version check here, because this is a configuration change made in Debian that may be made in different versions (or not at all) in kernel packages for Debian derivatives or custom kernels. > + warning VIRTUALSYSCALL "You're trying to > create an old amd64 release on newer one, and it may cause segfault due to > incompatibility.\n If you'd face such case, you should add > 'vsyscall=emulate' to your kernel parametar.\n For detail, see > /usr/share/doc/linux-image-amd64/NEWS.Debian.gz" This is slightly strange wording. And that documentation file might not be installed. Can I suggest the following instead: You're trying to create an old amd64 release, which may segfault on later kernel versions. You may need to add 'vsyscall=emulate' to the kernel parameters to avoid this. Ben. -- Ben Hutchings All the simple programs have been written, and all the good names taken
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