On Thu, Feb 16, 2017 at 2:09 PM, Vladimir 'phcoder' Serbinenko <phco...@gmail.com> wrote: > > > On Thu, Feb 16, 2017, 14:04 Carlo Caione <ca...@endlessm.com> wrote: >> >> On Thu, Feb 16, 2017 at 12:37 PM, Carlo Caione <ca...@endlessm.com> wrote: >> > On Thu, Feb 16, 2017 at 12:32 PM, Thomas Schmitt <scdbac...@gmx.net> >> > wrote: >> >> Hi, >> >> >> >> Carlo Caione wrote: >> >>> > I think that the problem >> >>> > here is that endless.squash has been stored in two extents in the >> >>> > ISO9660 and GRUB doesn't deal fine with that (also according to this >> >>> > comment >> >>> > >> >>> > http://git.savannah.gnu.org/cgit/grub.git/tree/grub-core/fs/iso9660.c#n960 >> >> >> >> Andrei Borzenkov wrote: >> >>> This comment could be stale and misleading. >> >> >> >> The code of read_node() in iso9660.c looks ready for multi-extent (aka >> >> ISO >> >> level 3). >> >> >> >> I have a very densely compressed test ISO for large file support >> >> http://scdbackup.webframe.org/large.iso.bz2 >> >> which bunzip2 inflates from 4.5 KiB to 4+ GiB. >> > >> > Yeah, I made some more tests and apparently the problem is not in the >> > ISO9660 module but in the SQUASH4 module. >> > To be perfectly honest I have already a patch that solves my problem >> > but I'm having a hard time to understand WHY it solves the issue since >> > I'm still not really familiar with squashfs (I casually found it >> > during my debugging). >> > Of course probably it is only masking a problem somewhere else. Still >> > digging. >> > >> > diff --git a/grub-core/fs/squash4.c b/grub-core/fs/squash4.c >> > index b97b344..4fef813 100644 >> > --- a/grub-core/fs/squash4.c >> > +++ b/grub-core/fs/squash4.c >> > @@ -895,7 +895,7 @@ grub_squash_read_data (struct grub_squash_data >> > *data, >> > break; >> > } >> > >> > - if (fragment == 0xffffffff) >> > + if (fragment == 0xffffffff || fragment == 0) >> > return direct_read (data, ino, off, buf, len); >> > >> > err = read_chunk (data, &frag, sizeof (frag), >> >> Hey Vladimir, >> Any idea about this? > > How big is the file in question? What is the squash tools version?
The squash image is 4564504576 mksquashfs version 4.3-git (2014/06/09) No options are passed to mksquashfs when creating the image. -- Carlo Caione | +39.340.80.30.096 | Endless _______________________________________________ Bug-grub mailing list Bug-grub@gnu.org https://lists.gnu.org/mailman/listinfo/bug-grub