** Changed in: qemu
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1599539
Title:
2.6.0: vvfat driver generates bad FAT entries
Status in QEMU:
Fix Released
Another patch has apparently been included here:
https://git.qemu.org/?p=qemu.git;a=commitdiff;h=f80256b7eebfbe20683
I assume we can close this ticket now as fixed?
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I believe commits f82d92bb028a1d674bab4ccc7e6cde6c04956230 and
6817efea3a0d1bf87be815970cdb014c5a64b628 have fixed this particular bug;
although I've since noticed the vvfat driver remains quite fragile,
especially FAT32 and writing support. I've got some patches for it of my
own, which I might
Thanks for looking into this, Felix. If you think that your fix to
read_directory() is ready for inclusion, please do send the patch to
both the qemu-devel and qemu-block mailing lists as Thomas suggested. As
each patch should address a single point, this can be done even while
the second problem
The original issue turned out to be trivial. The dot and dot-dot entries
need to be the two very first entries in a non-root directory table;
however, readdir() does not guarantee that "." and ".." will be the
first items returned. When I patched read_directory() to generate "."
and ".." entries
I noticed another bug in vvfat disk image generation. Applying the patch
I attached earlier made testing easier. I'm less sure what the actual
problem is.
Steps to reproduce (you'll need to have cpio, md5sum and GNU GRUB 2.x
installed):
0. Apply the patch and build qemu-img.
1. Create a
Please send your patch to the qemu-devel (and qemu-block) mailing list.
See http://qemu-project.org/Contribute/SubmitAPatch for details on how
to submit a patch. Thanks!
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** Patch added: "Patch to fix the qemu-img issue (does NOT resolve the whole
bug)"
https://bugs.launchpad.net/qemu/+bug/1599539/+attachment/4707063/+files/make_vvfat_work_with_qemu-img.patch
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