Hi Benoit! I guess you forgot to tag your seat1 card as "master-of-seat".
2015-09-02 6:52 GMT-03:00 Benoit Barthelet <[email protected]>: > long story short I had a working multiseat setup with 2 GPU / 2 mices > and 2 keyboards > > I changed GPU drivers from open-source radeon to fglrx and it stopped > working > > before the driver change I had configured the 2nd seat to used the gpu > / mice / keys with : > > loginctl attach seat1 > /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0/ > etc.. > > the issue with the new drivers it seems is that I can't find the card0 > in the /sys hierarchy, > > for instance, it seems to be one of my card, but no seat tag : > udevadm info --query=all > --path=/sys/devices/pci0000:00/0000:00:07.0/0000:03:00.0 > > P: /devices/pci0000:00/0000:00:07.0/0000:03:00.0 > E: DEVPATH=/devices/pci0000:00/0000:00:07.0/0000:03:00.0 > E: DRIVER=fglrx_pci > E: ID_MODEL_FROM_DATABASE=Tahiti PRO [Radeon HD 7950/8950 OEM / R9 280] > E: ID_PCI_CLASS_FROM_DATABASE=Display controller > E: ID_PCI_INTERFACE_FROM_DATABASE=VGA controller > E: ID_PCI_SUBCLASS_FROM_DATABASE=VGA compatible controller > E: ID_VENDOR_FROM_DATABASE=Advanced Micro Devices, Inc. [AMD/ATI] > E: MODALIAS=pci:v00001002d0000679Asv0000174Bsd0000E207bc03sc00i00 > E: PCI_CLASS=30000 > E: PCI_ID=1002:679A > E: PCI_SLOT_NAME=0000:03:00.0 > E: PCI_SUBSYS_ID=174B:E207 > E: SUBSYSTEM=pci > E: USEC_INITIALIZED=4263516 > > So I tried to create manually a udev rule > > /etc/udev/rules.d/71-ati.rules > > SUBSYSTEM=="pci", > DEVPATH=="/devices/pci0000:00/0000:00:01.0/0000:01:00.0", TAG+="seat", > TAG+="master-of-seat" > SUBSYSTEM=="pci", > DEVPATH=="/devices/pci0000:00/0000:00:07.0/0000:03:00.0", TAG+="seat", > TAG+="seat1" > > and now loginctl seat-status seat0 gives a master tag after udevadm > trigger : > ├─/sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0 > │ [MASTER] pci:0000:01:00.0 > > but I can never have a seat1, it never appears so the display manager > never tries to launch 2nd X session ) > > I'm at a loss here. any help appreciated > _______________________________________________ > systemd-devel mailing list > [email protected] > http://lists.freedesktop.org/mailman/listinfo/systemd-devel > -- *Laércio de Sousa* *Orientador de Informática* *Escola Municipal "Professor Eulálio Gruppi"* *Rua Ismael da Silva Mello, 559, Mogi Moderno* *Mogi das Cruzes - SPCEP 08717-390* Telefone: (11) 4726-8313
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