To avoid a reboot of an ExpPc or just for testing purposes one may reload the VME driver by hand:
pXXuser> tango stop root> rmmod sis1100 root> dmesg [3702239.073548] sis1100 driver exit root> modprobe sis1100 root> /usr/sbin/sis1100.init start this will produce error messages like: root@haso107d1:~# /usr/sbin/sis1100.init start Creating device files for sis1100-e sis1100 major: 248 ln: failed to create symbolic link '/tmp/sis1100_015dsp': File exists ln: failed to create symbolic link '/tmp/sis1100_014dsp': File exists ln: failed to create symbolic link '/tmp/sis1100_013dsp': File exists they can be ignored. root> dmesg [3702268.850245] SIS1100 driver V2.13 (c) 2012-01-19 Forschungszentrum Juelich [3702268.850280] sis1100: found SIS1100 PCIe single link at 0000:03:04.0 [3702268.850432] sis1100[0]: hardwired device id: 0x9056 [3702268.850436] sis1100[0]: 64 Bit DMA not available [3702268.850492] sis1100[0]: local ident: 0x06220201 [3702268.850494] sis1100[0]: HW version 2; FW code 34; FW version 6 [3702268.850495] sis1100[0]: 2GBit link! [3702268.850496] sis1100[0]: Driver not tested with firmware versions higher than 2. [3702268.850498] sis1100[0]: size of remote space: 0x10000000 (256 MByte) [3702268.850761] sis1100[0]: board type: PCIe_single_link, serial=228 [3702269.351224] sis1100[0]: remote ident: 0x02210202 [3702269.351227] sis1100[0]: remote is VME [3702269.351228] sis1100[0]: remote HW_ver 2 FW_code 33 FW_ver 2 [3702269.351250] sis1100[0]: 3100: berr_time=6250 ns [3702269.351251] sis1100[0]: 3100: long_time=10 ms [3702269.351252] sis1100[0]: remote device is SIS3104 with 2G link [3702269.351258] sis1100[0]: 3100: remote stat=0x00015108 pXXuser> tango start
This is what dmesg shows, if the VME crate is OFF or ON:
If VME is OFF root> dmesg [3702570.418335] sis1100[0]: link is DOWN status =0x0000c010 Switch VME ON root> dmesg [3702640.263500] sis1100[0]: link is UP status =0x00000013 [3702641.260105] sis1100[0]: remote ident: 0x02210202 [3702641.260111] sis1100[0]: remote is VME [3702641.260113] sis1100[0]: remote HW_ver 2 FW_code 33 FW_ver 2 [3702641.260116] sis1100[0]: remote device is SIS3104 with 2G link [3702641.260123] sis1100[0]: 3100: remote stat=0x0001c100