Changes in floppy.c from 2.6.17 and 2.6.18 have broken an application I have. I have tracked it down to a single line of code. When the following patch is applied to the version in 2.6.18 my application works.
--- linux-2.6.18/drivers/block/floppy.c 2006-09-19 23:42:06.000000000 -0400 +++ linux-2.6.18-crt/drivers/block/floppy.c 2007-05-29 09:12:20.000000000 -0400 @@ -893,7 +893,6 @@ set_current_state(TASK_RUNNING); remove_wait_queue(&fdc_wait, &wait); - flush_scheduled_work(); } command_status = FD_COMMAND_NONE; I don't claim to understand the changes from 2.6.17 to 2.6.18 except for the devfs removal. All I can say is this one line of code kills the application. I have tried to write a short pgm that shows my problem but everything else I write seems to work. The application only runs on SMP machines and uses process and irq affinities with real-time scheduling. When I turn off process and irq affinities the application runs. I have tried kernels up through 2.6.21.1 with the same results. All kernels from 2.6.18 up require that I remove this one line of code or my application does not work? Regards Mark - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/