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On Thu, Nov 08, 2001 at 01:41:51AM +0100, Jens Axboe wrote: > > ever since 2.4.10 the SEND_AGID DVD_AUTH control seems to be very slow > > (used in libdvdcss, freezes xine for up to 30sec). The code that's > > executed seems to be: > > > > dvd_authinfo auth_info; > > > > memset( &auth_info, 0, sizeof( auth_info ) ); > > auth_info.type = DVD_LU_SEND_AGID; > > auth_info.lsa.agid = *pi_agid; > > > > i_ret = ioctl( i_fd, DVD_AUTH, &auth_info ); > > > > anybody here have any idea what might cause this? could this really be > > just a caching problem caused by the new vm or is this something > > completely different I observe here? The -ac kernel series doesn't seem to > > have this problem on the same machine. > > > > Any comments apreciated, please cc as I'm not subscribed to the list > > Seems to have infested other (cdrom) ioctls as well. I'll take a look. Any conclusion? It's quite annoying. It now takes around 30 seconds before xine can even start playing a DVD. Thinking it was the block device changes, I tried holding open /dev/hdd and /dev/scd0, but it doesn't seem to make any difference. Simon- [ Stormix Technologies Inc. ][ NetNation Communications Inc. ] [ sim@stormix.com ][ sim@netnation.com ] [ Opinions expressed are not necessarily those of my employers. ] - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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