Is it possible your old kernel has DMA off for the CD-ROM and the new kernel has DMA on? It is pretty common for IDE CD devices to claim they are DMA capable, but not work properly in Linux when DMA is enabled. You probably would want to use the "hdparm" utility to check this. On Monday 23 June 2003 08:27 am, Luke Yelavich wrote: > Hi all. > I am wondering whether anybody else has experienced lock-ups when trying to > mount a CD-ROM device using kernel 2.4.21 with low latency and preempt? > > I have tried with SCSI emulation, as well as normal IDE. I am currently > re-compiling without low latency and pre-empt, but wondering whether this > is a reported kernel problem, or a problem that these patches may have > introduced? > > Any ideas or suggestions are welcome. > > Regards > Luke
