I'm not seeing any errors in kern.log related to the input. All I see is:
$ cat /var/log/kern.log | grep HDA May 1 00:57:19 aurora kernel: [ 17.432284] HDA Intel 0000:00:14.2: PCI INT A -> GSI 16 (level, low) -> IRQ 16 May 1 00:57:19 aurora kernel: [ 17.571272] input: HDA ATI SB Line In at Ext Rear Jack as /devices/pci0000:00/0000:00:14.2/sound/card0/input11 May 1 00:57:19 aurora kernel: [ 17.571584] input: HDA ATI SB Mic at Ext Front Jack as /devices/pci0000:00/0000:00:14.2/sound/card0/input12 May 1 00:57:19 aurora kernel: [ 17.571831] input: HDA ATI SB Line Out at Ext Rear Jack as /devices/pci0000:00/0000:00:14.2/sound/card0/input13 May 1 00:57:19 aurora kernel: [ 17.572080] input: HDA ATI SB HP Out at Ext Front Jack as /devices/pci0000:00/0000:00:14.2/sound/card0/input14 May 1 00:57:19 aurora kernel: [ 17.572291] input: HDA ATI SB HP Out at Ext Front Jack as /devices/pci0000:00/0000:00:14.2/sound/card0/input15 May 1 01:49:53 aurora kernel: [ 17.382375] HDA Intel 0000:00:14.2: PCI INT A -> GSI 16 (level, low) -> IRQ 16 May 1 01:49:53 aurora kernel: [ 17.521111] input: HDA ATI SB Line In at Ext Rear Jack as /devices/pci0000:00/0000:00:14.2/sound/card0/input11 May 1 01:49:53 aurora kernel: [ 17.521236] input: HDA ATI SB Mic at Ext Front Jack as /devices/pci0000:00/0000:00:14.2/sound/card0/input12 May 1 01:49:53 aurora kernel: [ 17.521446] input: HDA ATI SB Line Out at Ext Rear Jack as /devices/pci0000:00/0000:00:14.2/sound/card0/input13 May 1 01:49:53 aurora kernel: [ 17.521599] input: HDA ATI SB HP Out at Ext Front Jack as /devices/pci0000:00/0000:00:14.2/sound/card0/input14 May 1 01:49:53 aurora kernel: [ 17.521717] input: HDA ATI SB HP Out at Ext Front Jack as /devices/pci0000:00/0000:00:14.2/sound/card0/input15 May 1 03:02:19 aurora kernel: [ 17.182486] HDA Intel 0000:00:14.2: PCI INT A -> GSI 16 (level, low) -> IRQ 16 May 1 03:02:19 aurora kernel: [ 17.321390] input: HDA ATI SB Line In at Ext Rear Jack as /devices/pci0000:00/0000:00:14.2/sound/card0/input11 May 1 03:02:19 aurora kernel: [ 17.321596] input: HDA ATI SB Mic at Ext Front Jack as /devices/pci0000:00/0000:00:14.2/sound/card0/input12 May 1 03:02:19 aurora kernel: [ 17.321669] input: HDA ATI SB Line Out at Ext Rear Jack as /devices/pci0000:00/0000:00:14.2/sound/card0/input13 May 1 03:02:19 aurora kernel: [ 17.321824] input: HDA ATI SB HP Out at Ext Front Jack as /devices/pci0000:00/0000:00:14.2/sound/card0/input14 May 1 03:02:19 aurora kernel: [ 17.321941] input: HDA ATI SB HP Out at Ext Front Jack as /devices/pci0000:00/0000:00:14.2/sound/card0/input15 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/774654 Title: Major issues with sound; Inspiron 1546; Ubuntu Natty -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs