My guess is that it is a regression in either the SCSI or ACPI subsystem. Whenever I insert a CD, the kernel starts spewing out these:
[ 1399.806039] ata5: exception Emask 0x1 SAct 0x0 SErr 0x0 action 0x0 [ 1399.806118] ata5: irq_stat 0x40000008 ata5 is definitely my CD/DVD RW; from earlier in dmesg: [ 18.359343] ata5: SATA max UDMA/133 abar m2...@0xd4405000 port 0xd4405300 irq 2301 [ 20.732016] ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 20.737174] ata5.00: ACPI cmd 00/00:00:00:00:00:a0 rejected by device (Stat=0x51 Err=0x04) [ 20.737672] ata5.00: ATAPI: HL-DT-ST DVDRAM GU10N, AP03, max UDMA/133, ATAPI AN [ 20.742998] ata5.00: ACPI cmd 00/00:00:00:00:00:a0 rejected by device (Stat=0x51 Err=0x04) [ 20.743529] ata5.00: configured for UDMA/133 This worked in 8.10; I don't know exactly which kernel broke it. -- cdrom drive not recognized after upgrade to 9.04 Jaunty https://bugs.launchpad.net/bugs/364411 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
