Hi,
Anatoly Pugachev wrote:
> mator@chubaka:~$ md5sum /tmp/half_sparse /mnt/iso/half_sparse
> 3e98c342558c453b379cf7699f98a108 /tmp/half_sparse
> Segmentation fault
Hah ! The obvious bug about all-zero blocks has bitten.
I would not have expected a memory fault, though. Rather some false
output
On Wed, Nov 11, 2020 at 11:09 PM Thomas Schmitt wrote:
>
> Hi,
>
> after some confusion i found out that the endianness bug was fixed
> unnoticed a few weeks ago, when i implemented zisofs version 2. The
> current GNU xorriso development tarball has it already fixed.
>
Hi,
after some confusion i found out that the endianness bug was fixed
unnoticed a few weeks ago, when i implemented zisofs version 2. The
current GNU xorriso development tarball has it already fixed.
https://www.gnu.org/software/xorriso/xorriso-1.5.3.tar.gz
Anatoly Pugachev wrote:
> copied
On Wed, Nov 11, 2020 at 8:13 PM Thomas Schmitt wrote:
>
> Hi,
>
> Anatoly Pugachev wrote directly to me:
> > sent you an ISO file with another account...
>
> Now that's embrassing. My zisofs compressor did put out the zisofs
> block pointers into the file as big-endian 32-bit numbers, where
>
Hi,
Anatoly Pugachev wrote directly to me:
> sent you an ISO file with another account...
Now that's embrassing. My zisofs compressor did put out the zisofs
block pointers into the file as big-endian 32-bit numbers, where
everybody expects little-endian.
So the bread() call in the kernel which
Hi,
Anatoly Pugachev wrote:
> copied to my local x86 VM:
> mator@u164:~> sudo mount -o loop,ro test.iso /mnt
> mator@u164:~> md5sum /mnt/1mb
> md5sum: /mnt/1mb: Input/output error
Grrr. This is not supposed happen. (I tested this here. Grrr, again.)
> probably xorriso wrote a wrong iso on ppc64
On Wed, Nov 11, 2020 at 3:26 PM Thomas Schmitt wrote:
>
> Hi,
>
> Anatoly Pugachev wrote:
> > mator@chubaka:~$ getconf PAGESIZE
> > 65536
> > mator@chubaka:~$ uname -a
> > Linux chubaka 5.9.0-1-powerpc64 #1 SMP Debian 5.9.1-1 (2020-10-17)
> > ppc64 GNU/Linux
> > [...]
> > mator@chubaka:~$ md5sum
Hi,
to answer my own question whether bytes were delivered:
The strace shows that there were none. The first read of 32 KiB already
fails. Hopefully a useful hint.
Have a nice day :)
Thomas
Hi,
Anatoly Pugachev wrote:
> mator@chubaka:~$ getconf PAGESIZE
> 65536
> mator@chubaka:~$ uname -a
> Linux chubaka 5.9.0-1-powerpc64 #1 SMP Debian 5.9.1-1 (2020-10-17)
> ppc64 GNU/Linux
> [...]
> mator@chubaka:~$ md5sum /mnt/1mb
> md5sum: /mnt/1mb: Input/output error
Does it deliver any bytes
On Wed, Nov 11, 2020 at 11:32 AM Thomas Schmitt wrote:
> Anatoly Pugachev wrote:
> > > > $ ssh gcc203 getconf PAGESIZE
> > > > 65536
> I wrote:
> > > If there is a machine of that kind which can be used for a short bitrot
> > > test of the existing kernel with CONFIG_ZISOFS=y (which is usually
Hi,
Anatoly Pugachev wrote:
> > > $ ssh gcc203 getconf PAGESIZE
> > > 65536
I wrote:
> > If there is a machine of that kind which can be used for a short bitrot
> > test of the existing kernel with CONFIG_ZISOFS=y (which is usually already
> > set), i'd be glad to propose a few shell commands
On Tue, Nov 10, 2020 at 9:20 PM Thomas Schmitt wrote:
> Anatoly Pugachev wrote:
> > $ ssh gcc203 getconf PAGESIZE
> > 65536
> > [...]
> > thouse gcc* machines are from 'gcc compile farm' [1] , ppc64 or ppc64le
>
> Ah yes. That's probably what i ask about.
> arch/powerpc/include/asm/page.h
>
Hi,
Anatoly Pugachev wrote:
> $ ssh gcc203 getconf PAGESIZE
> 65536
> [...]
> thouse gcc* machines are from 'gcc compile farm' [1] , ppc64 or ppc64le
Ah yes. That's probably what i ask about.
arch/powerpc/include/asm/page.h
/* ... For PPC64 we support either 4K or 64K software page size. ...
On Mon, Nov 9, 2020 at 9:41 PM Thomas Schmitt wrote:
>
> Hi,
>
> by incident one of my other kernel adventures leads me here, although
> it might turn out to be off topic, as i know too few about powerpc.
>
> Are there machines in use which really have regular memory page size
> larger than 32
Hi,
by incident one of my other kernel adventures leads me here, although
it might turn out to be off topic, as i know too few about powerpc.
Are there machines in use which really have regular memory page size
larger than 32 KiB ?
I read in Linux source
arch/powerpc/include/asm/page.h
this
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