I noticed in dmesg: Working kernel: [ 3.565137] i2c_hid i2c-SYN1B7D:01: failed to retrieve report from device. [ 3.565306] input: SYN1B7D:01 06CB:2991 UNKNOWN as /devices/platform/80860F41:00/i2c-0/i2c-SYN1B7D:01/0018:06CB:2991.0001/input/input8 [ 3.565618] hid-multitouch 0018:06CB:2991.0001: input,hidraw0: <UNKNOWN> HID v1.00 Mouse [SYN1B7D:01 06CB:2991] on
Not working kernel: [ 3.572672] i2c_designware 80860F41:00: controller timed out [ 3.572682] i2c_designware 80860F41:00: Unknown Synopsys component type: 0x00000000 [ 3.572690] i2c_hid i2c-SYN1B7D:01: hid_descr_cmd failed I'll attach both full dmesg logs. ** Attachment added: "dmesg log from 3.19.0-49, working" https://bugs.launchpad.net/ubuntu/+source/linux-lts-vivid/+bug/1564237/+attachment/4617902/+files/good.dmesg -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1564237 Title: Acer touchpad stopped working with kernel 3.19.0-56 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-vivid/+bug/1564237/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
