On Tue, Sep 15, 2009 at 08:53, Arno Wagner <arno@xxxxxxxxxxx> wrote: > On Tue, Sep 15, 2009 at 07:48:55AM -0300, Salatiel Filho wrote: >> On Mon, Sep 14, 2009 at 18:10, Arno Wagner <arno@xxxxxxxxxxx> wrote: >> > On Mon, Sep 14, 2009 at 06:25:10AM -0300, Salatiel Filho wrote: >> >> On Mon, Sep 14, 2009 at 00:35, Arno Wagner <arno@xxxxxxxxxxx> wrote: >> >> > On Sun, Sep 13, 2009 at 07:19:00PM -0300, Salatiel Filho wrote: >> >> >> Where should i report that i get lots of corruption when using >> >> >> cryptsetup on arm architecture ? >> >> >> >> >> >> - Can not use crypted swap , cause page allocator will fail and my >> >> >> programs will start to seg fault. >> >> >> - Some files just get corrupted on copying... >> >> >> >> >> >> Anyone can help me ?debug it , so i can report ?developers and they >> >> >> can fix this. >> >> > >> >> > If it generally works, but sometimes corrupts, then this >> >> > very likely has nothing to to with dm-crypt. In fact it >> >> > sounds like you have defective hardware, but more detail >> >> > is needed for even a rough guess. >> >> > >> >> I do not think ?it is a hardware problem since the disk is ?fine and >> >> it works fine in other architectures with no corruption at all. And >> >> the page allocator failure always happens when using crypted swap but >> >> there is no problem when using uncrypted swap. >> > >> > Determine the exact nature of the corruption. It is really >> > a waste of time to speculate before you have that. Best >> > option is a binary compare of a corrupted file with the >> > uncorrupted version. Use something like >> > >> > cmp -b -l <file1> <file2> >> I tried two corrupted files ... >> Attached the cmp -b -l 'corrupted' 'ok' : >> >> -rw-r--r-- 1 root root 50000000 2009-09-15 07:04 file1.ori >> -rw-r--r-- 1 root root 50000000 2009-09-15 06:21 file1.corrupted >> >> -rw-r--r-- 1 root root 50000000 2009-09-15 07:04 file2.ori >> -rw-r--r-- 1 root root 50000000 2009-09-15 06:22 file2.corrupted > > Ok, at a guess (assuming quite a bit of zeros in the non-corrupted > files), this looks like full sectors are written with zeros instead > of the data they should hold. This leaves out simple memory or > other hardware corruption. I would be inclined to assume this > is a software problem now. which software ? cp ? > > Arno > -- > Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email: arno@xxxxxxxxxxx > GnuPG: ID: 1E25338F FP: 0C30 5782 9D93 F785 E79C 0296 797F 6B50 1E25 338F > ---- > Cuddly UI's are the manifestation of wishful thinking. -- Dylan Evans > > If it's in the news, don't worry about it. The very definition of > "news" is "something that hardly ever happens." -- Bruce Schneier > _______________________________________________ > dm-crypt mailing list > dm-crypt@xxxxxxxx > http://www.saout.de/mailman/listinfo/dm-crypt > -- []'s Salatiel "O maior prazer do inteligente é bancar o idiota diante de um idiota que banca o inteligente". _______________________________________________ dm-crypt mailing list dm-crypt@xxxxxxxx http://www.saout.de/mailman/listinfo/dm-crypt
