Date: Wed, 11 Aug 2010 10:22:50 +0200 From: Marc Fonvieille <blackend@FreeBSD.ORG> To: freebsd-bugs@FreeBSD.ORG, yuri@rawbw.com Cc: olli@lurza.secnetix.de Subject: Re: kern/115232: [ata] Audio CD tracks not displayed properly by atapi driver Message-ID: <20100811082250.GB1561@gothic.blackend.org> In-Reply-To: <201008101028.o7AASMsX064779@lurza.secnetix.de> References: <4C6111C3.1030109@rawbw.com> <201008101028.o7AASMsX064779@lurza.secnetix.de>
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On Tue, Aug 10, 2010 at 12:28:22PM +0200, Oliver Fromme wrote: > Yuri <yuri@rawbw.com> wrote: > > Could you check if: > > > # dd if=/dev/acd0 of=/dev/null count=1 > > > > > > does the trick as mentioned in the Handbook? > > > > > > > > > http://www.freebsd.org/cgi/query-pr.cgi?pr=115232 > > > > Yes, this trick works. > > But the problem with it is that this should be done without such 'dd' > > command. User should be relieved from issuing such meaningless command > > It's not meaningless. It causes the driver to actually > look at the drive, re-read the TOC of the CD (there is no > other way to find out if the CD was changed) and update > the device nodes in /dev. > > > since system can do this automatically, avoiding user actions and > > possible user confusion. > > > > Driver knows when disk is inserted > > No, the driver does *not* know when a disk is inserted, > unless it actually accesses the CD (caused by the "dd" > command above, for example). > > Automatic detection and notification is not supported by > the hardware (unlike USB devices, for example). > > > (for example in Windows autorun executes when disk is inserted). > > That only works because Windows actively polls the drives > periodically, which is a bad hack, in my opinion. > I assume that a box with a KDE/GNOME thing using HAL should behave the same as windows, am I right? -- Marc
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