are your ata2 disk failing ?
19.633591] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE [ 19.633593] sd 1:0:0:0: [sdb] [ 19.633595] Sense Key : Medium Error [current] [descriptor] [ 19.633598] Descriptor sense data with sense descriptors (in hex): [ 19.633600] 72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00 [ 19.633608] 00 5d 69 c0 [ 19.633612] sd 1:0:0:0: [sdb] [ 19.633615] Add. Sense: Unrecovered read error - auto reallocate failed [ 19.633617] sd 1:0:0:0: [sdb] CDB: [ 19.633619] Read(10): 28 00 00 5d 69 c0 00 00 08 00 [ 19.633627] end_request: I/O error, dev sdb, sector 6121920 [ 19.633642] ata2: EH complete [ 20.009267] ata2.00: exception Emask 0x0 SAct 0x180000 SErr 0x0 action 0x0 [ 20.009276] ata2.00: irq_stat 0x40000008 [ 20.009284] ata2.00: failed command: READ FPDMA QUEUED [ 20.009296] ata2.00: cmd 60/08:98:c0:69:5d/00:00:00:00:00/40 tag 19 ncq 4096 in [ 20.009296] res 41/40:08:c0:69:5d/00:00:00:00:00/00 Emask 0x409 (media error) <F> [ 20.009302] ata2.00: status: { DRDY ERR } [ 20.009306] ata2.00: error: { UNC } [ 20.010541] ata2.00: configured for UDMA/100 [ 20.010567] sd 1:0:0:0: [sdb] Unhandled sense code [ 20.010570] sd 1:0:0:0: [sdb] [ 20.010571] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE [ 20.010573] sd 1:0:0:0: [sdb] [ 20.010575] Sense Key : Medium Error [current] [descriptor] [ 20.010577] Descriptor sense data with sense descriptors (in hex): [ 20.010578] 72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00 [ 20.010583] 00 5d 69 c0 [ 20.010586] sd 1:0:0:0: [sdb] [ 20.010588] Add. Sense: Unrecovered read error - auto reallocate failed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1458722 Title: after update, no sound To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1458722/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs