Hi, perhaps cs5536 is broken? This is with one CF card present on ALIX 2c2: [ 2.857215] Uniform Multi-Platform E-IDE driver [ 2.871238] cs5536 0000:00:0f.2: IDE controller (0x1022:0x209a rev 0x01) [ 2.891486] cs5536 0000:00:0f.2: not 100% native mode: will probe irqs later [ 2.912718] BUG: unable to handle kernel NULL pointer dereference at (null) [ 2.933857] IP: [<(null)>] (null) [ 2.944014] *pde = 00000000 [ 2.952788] Oops: 0000 [#1] [ 2.956215] last sysfs file: [ 2.956215] Modules linked in: [ 2.956215] [ 2.956215] Pid: 1, comm: swapper Not tainted (2.6.29.1-ah #1) [ 2.956215] EIP: 0060:[<00000000>] EFLAGS: 00010246 CPU: 0 [ 2.956215] EIP is at 0x0 [ 2.956215] EAX: ce925400 EBX: ce925400 ECX: ce925400 EDX: c0372ebc [ 2.956215] ESI: c0372dec EDI: cf4aa858 EBP: cf416d14 ESP: cf416d04 [ 2.956215] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 [ 2.956215] Process swapper (pid: 1, ti=cf416000 task=cf41fb40 task.ti=cf416) [ 2.956215] Stack: [ 2.956215] c027815f ce925400 c0372dec 0000ff00 cf416d2c c0278722 cf4aa800 0 [ 2.956215] c0372dec ce92543c cf416d6c c0276a9e cf416d7c cf416e7c c0372dec 0 [ 2.956215] ce925400 00000000 c03e0c48 cf4aa8c0 01000005 c0372dec 00000000 0 [ 2.956215] Call Trace: [ 2.956215] [<c027815f>] ? ide_pci_check_simplex+0x4e/0x83 [ 2.956215] [<c0278722>] ? ide_hwif_setup_dma+0x63/0xcd [ 2.956215] [<c0276a9e>] ? ide_host_register+0x169/0x52f [ 2.956215] [<c027884a>] ? ide_pci_init_one+0xbe/0xd5 [ 2.956215] [<c01133a2>] ? update_curr+0x60/0x93 [ 2.956215] [<c02395bf>] ? idr_get_empty_slot+0x132/0x1f5 [ 2.956215] [<c02962a4>] ? raw_pci_read+0x4c/0x57 [ 2.956215] [<c0296392>] ? pci_read+0x1d/0x23 [ 2.956215] [<c0242a7d>] ? pci_bus_read_config_dword+0x2c/0x44 [ 2.956215] [<c027a219>] ? cs5536_init_one+0x4f/0x54 [ 2.956215] [<c024648d>] ? local_pci_probe+0xe/0x10 [ 2.956215] [<c0246599>] ? pci_device_probe+0x4b/0x69 [ 2.956215] [<c0269a05>] ? driver_probe_device+0x9b/0x112 [ 2.956215] [<c0269ac8>] ? __driver_attach+0x4c/0x6b [ 2.956215] [<c0269101>] ? bus_for_each_dev+0x36/0x57 [ 2.956215] [<c02698af>] ? driver_attach+0x14/0x16 [ 2.956215] [<c0269a7c>] ? __driver_attach+0x0/0x6b [ 2.956215] [<c026958b>] ? bus_add_driver+0x97/0x1a7 [ 2.956215] [<c0269c63>] ? driver_register+0x71/0xcd [ 2.956215] [<c024674d>] ? __pci_register_driver+0x2e/0x5d [ 2.956215] [<c0452069>] ? cs5536_init+0x14/0x16 [ 2.956215] [<c0101049>] ? _stext+0x49/0x10b [ 2.956215] [<c0452055>] ? cs5536_init+0x0/0x16 [ 2.956215] [<c0182200>] ? proc_create_data+0x8a/0x8d [ 2.956215] [<c013a16c>] ? register_irq_proc+0x6a/0x83 [ 2.956215] [<c043e6d0>] ? kernel_init+0x6d/0xbb [ 2.956215] [<c043e663>] ? kernel_init+0x0/0xbb [ 2.956215] [<c010319f>] ? kernel_thread_helper+0x7/0x10 [ 2.956215] Code: Bad EIP value. [ 2.956215] EIP: [<00000000>] 0x0 SS:ESP 0068:cf416d04 [ 3.638455] ---[ end trace f6947cc280ce4929 ]--- [ 3.652402] Kernel panic - not syncing: Attempted to kill init! Best regards, Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html