diff -ur valgrind-1.0pre3.orig/vg_syscall_mem.c valgrind-1.0pre3/vg_syscall_mem.c
--- valgrind-1.0pre3.orig/vg_syscall_mem.c	Thu Jun 20 09:23:49 2002
+++ valgrind-1.0pre3/vg_syscall_mem.c	Mon Jul  8 19:55:45 2002
@@ -2038,6 +2038,136 @@
                     sizeof(struct cdrom_msf));
                  KERNEL_DO_SYSCALL(tid,res);
                  break;
+
+            /* DVB (Digital Video Broadcasting) related stuff 
+             * http://www.linuxtv.org
+             */
+            case FE_GET_INFO:
+                 must_be_writable(tst, "ioctl(FE_GET_INFO)", arg3,
+                         sizeof(struct dvb_frontend_info));
+                 KERNEL_DO_SYSCALL(tid,res);
+                 if (!VG_(is_kerror)(res) && res == 0)
+                    make_readable (arg3, sizeof(struct dvb_frontend_info));
+                 break;
+            case FE_DISEQC_RESET_OVERLOAD:
+                 KERNEL_DO_SYSCALL(tid,res);
+                 break;
+            case FE_DISEQC_SEND_MASTER_CMD:
+                 must_be_readable(tst, "ioctl(FE_DISEQC_SEND_MASTER_CMD)", arg3,
+                         sizeof(struct dvb_diseqc_master_cmd));
+                 KERNEL_DO_SYSCALL(tid,res);
+                 break;
+            case FE_DISEQC_RECV_SLAVE_REPLY:
+                 must_be_writable(tst, "ioctl(FE_DISEQC_RECV_SLAVE_REPLY)", arg3,
+                         sizeof(struct dvb_diseqc_slave_reply));
+                 KERNEL_DO_SYSCALL(tid,res);
+                 if (!VG_(is_kerror)(res) && res == 0)
+                    make_readable (arg3, sizeof(struct dvb_diseqc_slave_reply));
+                 break;
+            case FE_DISEQC_SEND_BURST:
+            case FE_SET_TONE:
+            case FE_SET_VOLTAGE:
+            case FE_ENABLE_HIGH_LNB_VOLTAGE:
+                 KERNEL_DO_SYSCALL(tid,res);
+                 break;
+            case FE_READ_STATUS:
+                 must_be_writable(tst, "ioctl(FE_READ_STATUS)", arg3,
+                         sizeof(fe_status_t));
+                 KERNEL_DO_SYSCALL(tid,res);
+                 if (!VG_(is_kerror)(res) && res == 0)
+                    make_readable (arg3, sizeof(fe_status_t));
+                 break;
+            case FE_READ_BER:
+                 must_be_writable(tst, "ioctl(FE_READ_BER)", arg3,
+                         sizeof(uint32_t));
+                 KERNEL_DO_SYSCALL(tid,res);
+                 if (!VG_(is_kerror)(res) && res == 0)
+                    make_readable (arg3, sizeof(uint32_t));
+                 break;
+            case FE_READ_SIGNAL_STRENGTH:
+                 must_be_writable(tst, "ioctl(FE_READ_SIGNAL_STRENGTH)", arg3,
+                         sizeof(uint16_t));
+                 KERNEL_DO_SYSCALL(tid,res);
+                 if (!VG_(is_kerror)(res) && res == 0)
+                    make_readable (arg3, sizeof(uint16_t));
+                 break;
+            case FE_READ_SNR:
+                 must_be_writable(tst, "ioctl(FE_READ_SNR)", arg3,
+                         sizeof(uint16_t));
+                 KERNEL_DO_SYSCALL(tid,res);
+                 if (!VG_(is_kerror)(res) && res == 0)
+                    make_readable (arg3, sizeof(uint16_t));
+                 break;
+            case FE_READ_UNCORRECTED_BLOCKS:
+                 must_be_writable(tst, "ioctl(FE_READ_UNCORRECTED_BLOCKS)", arg3,
+                         sizeof(uint32_t));
+                 KERNEL_DO_SYSCALL(tid,res);
+                 if (!VG_(is_kerror)(res) && res == 0)
+                    make_readable (arg3, sizeof(uint32_t));
+                 break;
+            case FE_SET_FRONTEND:
+                 must_be_readable(tst, "ioctl(FE_SET_FRONTEND)", arg3,
+                         sizeof(struct dvb_frontend_parameters));
+                 KERNEL_DO_SYSCALL(tid,res);
+                 break;
+            case FE_GET_FRONTEND:
+                 must_be_writable(tst, "ioctl(FE_GET_FRONTEND)", arg3,
+                         sizeof(struct dvb_frontend_parameters));
+                 KERNEL_DO_SYSCALL(tid,res);
+                 if (!VG_(is_kerror)(res) && res == 0)
+                    make_readable (arg3, sizeof(struct dvb_frontend_parameters));
+                 break;
+            case FE_GET_EVENT:
+                 must_be_writable(tst, "ioctl(FE_GET_EVENT)", arg3,
+                         sizeof(struct dvb_frontend_event));
+                 KERNEL_DO_SYSCALL(tid,res);
+                 if (!VG_(is_kerror)(res) && res == 0)
+                    make_readable (arg3, sizeof(struct dvb_frontend_event));
+                 break;
+            case DMX_START:
+            case DMX_STOP:
+                 KERNEL_DO_SYSCALL(tid,res);
+                 break;
+            case DMX_SET_FILTER:
+                 must_be_readable(tst, "ioctl(DMX_SET_FILTER)", arg3,
+                         sizeof(struct dmx_sct_filter_params));
+                 KERNEL_DO_SYSCALL(tid,res);
+                 break;
+            case DMX_SET_PES_FILTER:
+                 must_be_readable(tst, "ioctl(DMX_SET_PES_FILTER)", arg3,
+                         sizeof(struct dmx_pes_filter_params));
+                 KERNEL_DO_SYSCALL(tid,res);
+                 break;
+            case DMX_SET_BUFFER_SIZE:
+                 KERNEL_DO_SYSCALL(tid,res);
+                 break;
+            case DMX_GET_EVENT:
+                 must_be_writable(tst, "ioctl(DMX_GET_EVENT)", arg3,
+                         sizeof(struct dmx_event));
+                 KERNEL_DO_SYSCALL(tid,res);
+                 if (!VG_(is_kerror)(res) && res == 0)
+                    make_readable (arg3, sizeof(struct dmx_event));
+                 break;
+            case DMX_GET_PES_PIDS:
+                 must_be_writable(tst, "ioctl(DMX_GET_PES_PIDS)", arg3,
+                         5*sizeof(uint16_t));
+                 KERNEL_DO_SYSCALL(tid,res);
+                 if (!VG_(is_kerror)(res) && res == 0)
+                    make_readable (arg3, 5*sizeof(uint16_t));
+                 break;
+            case DMX_GET_CAPS:
+                 must_be_writable(tst, "ioctl(DMX_GET_CAPS)", arg3,
+                         sizeof(dmx_caps_t));
+                 KERNEL_DO_SYSCALL(tid,res);
+                 if (!VG_(is_kerror)(res) && res == 0)
+                    make_readable (arg3, sizeof(dmx_caps_t));
+                 break;
+            case DMX_SET_SOURCE:
+                 must_be_readable(tst, "ioctl(DMX_SET_SOURCE)", arg3,
+                         sizeof(dmx_source_t));
+                 KERNEL_DO_SYSCALL(tid,res);
+                 break;
+
             /* We don't have any specific information on it, so
                try to do something reasonable based on direction and
                size bits.  The encoding scheme is described in
diff -ur valgrind-1.0pre3.orig/vg_unsafe.h valgrind-1.0pre3/vg_unsafe.h
--- valgrind-1.0pre3.orig/vg_unsafe.h	Thu Jun 13 18:02:37 2002
+++ valgrind-1.0pre3/vg_unsafe.h	Mon Jul  8 19:56:20 2002
@@ -85,6 +85,10 @@
 
 #include <sys/poll.h>
 
+#include <linux/dvb/frontend.h>
+#include <linux/dvb/dmx.h>
+#include <linux/dvb/audio.h>
+#include <linux/dvb/video.h>
 
 /*--------------------------------------------------------------------*/
 /*--- end                                              vg_unsafe.h ---*/