if it helps, i booted without quiet and splash to see the actual kernel output when it stops loading, then compared it to a normal boot with a 2.6 kernel. the last lines outputted before it stops are:
[ 0.286362] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 0.288033] fuse init (API version 7.16) [ 0.288255] msgmni has been set to 1680 [ 0.288796] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253) [ 0.288853] io scheduler noop registered [ 0.288858] io scheduler deadline registered [ 0.288894] io scheduler cfq registered (default) [ 0.289110] pcieport 0000:00:02.0: setting latency timer to 64 [ 0.289276] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 0.289345] pciehp: PCI Express Hot Plug Controller Driver version: 0.4 [ 0.289643] input: Power Button as /devices/LNXSYSTM:00/device:00/PNP0C0C:00/input/input0 [ 0.289654] ACPI: Power Button [PWRB] [ 0.289782] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 0.289790] ACPI: Power Button [PWRF] and it stops there. on a normal boot, the next lines are: [ 0.290064] ACPI: acpi_idle registered with cpuidle [ 0.292162] ERST: Table is not found! [ 0.292294] Serial: 8250/16550 driver, 32 ports, IRQ sharing enabled [ 0.292573] isapnp: Scanning for PnP cards... [ 0.647624] isapnp: No Plug & Play device found [ 0.828688] Freeing initrd memory: 18280k freed [ 0.867250] Linux agpgart interface v0.103 [ 0.869420] brd: module loaded [ 0.870407] loop: module loaded [ 0.870564] i2c-core: driver [adp5520] using legacy suspend method [ 0.870568] i2c-core: driver [adp5520] using legacy resume method hope this helps on giving any ideas who's the culprit. this bug is getting over my head. i downloaded a 3.1 linux kernel source and compiled it after careful selection of options, and ended with same bug. then brought the config file of the working 2.6 kernel, and used it as starting point to compile the 3.1 kernel (didnt actually modify anything myself, just ran the config and closed it to let it automatically remove any deprecated options that can ruin the compile), and compiled the kernel, and again, same bug. me thinks it isnt any missing module, some acpi change is doing this, but i cant be sure. thanks in advance for any help -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/883441 Title: Kernel 3.0 (11.10 default kernel) won't boot unless acpi=off, worked fine with the default kernels of the 3 previous releases To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/883441/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
