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Subject: Re: 2.6.19-rc1 regression: unable to read dvd's
From: Mike Galbraith <efault@gmx.de>
To: Jens Axboe <jens.axboe@oracle.com>
Cc: Alex Romosan <romosan@sycorax.lbl.gov>, linux-kernel@vger.kernel.org
In-Reply-To: <1160648885.5897.6.camel@Homer.simpson.net>
References: <87hcya8fxk.fsf@sycorax.lbl.gov>
	 <20061012065346.GY6515@kernel.dk>
	 <1160648885.5897.6.camel@Homer.simpson.net>
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Date: Thu, 12 Oct 2006 14:13:55 +0000
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On Thu, 2006-10-12 at 10:28 +0000, Mike Galbraith wrote:
> On Thu, 2006-10-12 at 08:53 +0200, Jens Axboe wrote:
> > Test case, please.
> 
> Xine.
> 
> I just built it from scratch(the one that comes with SuSE 10.1 is
> useless for DVDs), and tried it in 2.6.19-rc1 after verifying that it
> worked fine in 2.6.17.

s/17/18

> hdd: BENQ DVD DD DW1625, ATAPI CD/DVD-ROM drive
> hdd: ATAPI 63X DVD-ROM DVD-R CD-R/RW drive, 2048kB Cache, UDMA(33)
> 
> hdd: read_intr: Drive wants to transfer data the wrong way!
> hdd: read_intr: Drive wants to transfer data the wrong way!

We're having secret handshake troubles?

[pid  8348] stat64("/dev/dvd", {st_dev=makedev(0, 13), st_ino=3750, st_mode=S_IFBLK|0640, st_nlink=1, st_uid=0, st_gid=6, st_blksize=4096, st_blocks=0, st_rdev=makedev(22, 64), st_atime=2006/10/12-10:03:04, st_mtime=2006/10/12-10:00:12, st_ctime=2006/10/12-10:00:17}) = 0
[pid  8348] open("/dev/dvd", O_RDONLY|O_LARGEFILE <unfinished ...>
[pid  8348] <... open resumed> )        = 8
[pid  8348] fstat64(8, {st_dev=makedev(0, 13), st_ino=3750, st_mode=S_IFBLK|0640, st_nlink=1, st_uid=0, st_gid=6, st_blksize=4096, st_blocks=0, st_rdev=makedev(22, 64), st_atime=2006/10/12-10:03:04, st_mtime=2006/10/12-10:00:12, st_ctime=2006/10/12-10:00:17}) = 0
[pid  8348] ioctl(8, DVD_READ_STRUCT <unfinished ...>
[pid  8348] <... ioctl resumed> , 0xbfc792a4) = 0
[pid  8348] ioctl(8, DVD_AUTH <unfinished ...>
[pid  8348] <... ioctl resumed> , 0xbfc7916c) = 0
[pid  8348] ioctl(8, DVD_AUTH <unfinished ...>
[pid  8348] <... ioctl resumed> , 0xbfc7916c) = 0
[pid  8348] ioctl(8, DVD_AUTH <unfinished ...>
[pid  8348] <... ioctl resumed> , 0xbfc7916c) = 0
[pid  8348] ioctl(8, DVD_AUTH <unfinished ...>
[pid  8348] <... ioctl resumed> , 0xbfc79170) = 0
[pid  8348] close(8)                    = 0
[pid  8348] write(2, "libdvdread: Could not open /dev/"..., 52 <unfinished ...>
[pid  8348] <... write resumed> )       = 52
[pid  8348] write(2, "libdvdread: Can\'t open /dev/dvd "..., 44 <unfinished ...>
[pid  8348] <... write resumed> )       = 44
[pid  8348] write(1, "libdvdnav: vm: faild to open/rea"..., 42 <unfinished ...>
[pid  8348] <... write resumed> )       = 42
[pid  8348] write(1, "libdvdnav: Using dvdnav version "..., 62 <unfinished ...>
[pid  8348] <... write resumed> )       = 62
[pid  8348] write(2, "libdvdread: Using libdvdcss vers"..., 57 <unfinished ...>
[pid  8348] <... write resumed> )       = 57



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