Re: process stopped in D state for seconds

[Marcelo Tosatti]

On Mon, 24 Sep 2001, Andrei Lahun wrote:

> with kernel 2.4.10p12-p15 i found that with dvdplayer (xine)
> when i make search in movie one of the thread is stopped in D state for seconds
> (2-10 seconds) after it continue to work.
> with 2.4.10p10(probably also p11) everything is good.
> strace gave me ioctl(0x13,0x5392) so i found that itis in DVD_DO_AUTH
> (in case of DVD_LU_SEND_ASF) so itis call to ide_cdrom_packet.
> Any ideas?

Try to get the task backtrace (dvdplayer in this case) with "Alt+SysRQ+T",
then use ksymoops to decode the trace.

This will probably help the ones who will search for the problem.