Date: Fri, 17 Sep 2004 15:59:01 +0200 From: Fabian Keil <freebsd-listen@fabiankeil.de> To: freebsd-current@freebsd.org Subject: Re: acd0: FAILURE - READ_BIG MEDIUM ERROR Message-ID: <200409171559.01313.freebsd-listen@fabiankeil.de> In-Reply-To: <414A8361.2070905@DeepCore.dk> References: <7macvple1i.wl@black.imgsrc.co.jp> <414A8361.2070905@DeepCore.dk>
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On Friday 17 September 2004 08:25, S=F8ren Schmidt wrote: > Jun Kuriyama wrote: > > When I tried to read DVD-R media (written on the same current box by > > cdrecord-ProDVD), I got this message at mounting: > >=20 > > ----- > > acd0: FAILURE - READ_BIG MEDIUM ERROR asc=3D0x15 ascq=3D0x00 error=3D0 > > acd0: FAILURE - READ_BIG MEDIUM ERROR asc=3D0x15 ascq=3D0x00 error=3D0 > > cd9660: RockRidge Extension > > ----- > >=20 > > Is this harmless or not? I can copy a file from this DVD-R without > > problem. >=20 > Looks like you isofs is bad... >=20 > > And, this DVD-R has a large file (3GB), and ls(1) (maybe stat(2)) > > issues an error like this: >=20 > Uhm , you cannot have file > 1G on a comliant isofs... Compliant to what? Quote from <http://www.uwsg.iu.edu/hypermail/linux/kernel/0402.0/0708.html>: > The kernel (2.6 and 2.4) has the following code in isofs_read_inode(): > > /* > * The ISO-9660 filesystem only stores 32 bits for file size. > * mkisofs handles files up to 2GB-2 =3D 2147483646 =3D 0x7FFFFFFE bytes > * in size. This is according to the large file summit paper from 1996. > * WARNING: ISO-9660 filesystems > 1 GB and even > 2 GB are fully > * legal. Do not prevent to use DVD's schilling@xxxxxxxxxxxx > */=20 Regards =46abian
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