During boot with v2.6.24-rc6-125-g5356f66 on my Toshiba Satellite A40 laptop, I suddenly get the following message (repeated 22 times!): pnpacpi: exceeded the max number of IO resources: 24 Last time I tested 2.6.24 on that box was after the initial merge, but before -rc1. Then those lines were not present. Looks like the messages originate from a7839e96 by Zhao Yakui and that patch just adds the kernel messages so it was probably a hidden issue before, but I cannot determine if I should be worried or not. Possibly unrelated and harmless, but there's also a major change in reported iomem/ioport ranges (first 5 lines basically identical, rest new): -pnp: 00:00: iomem range 0x0-0x9ffff could not be reserved -pnp: 00:00: iomem range 0xe0000-0xeffff could not be reserved -pnp: 00:00: iomem range 0xf0000-0xfffff could not be reserved -pnp: 00:00: iomem range 0x100000-0x1ef3ffff could not be reserved +system 00:00: iomem range 0x0-0x9ffff could not be reserved +system 00:00: iomem range 0xe0000-0xeffff could not be reserved +system 00:00: iomem range 0xf0000-0xfffff could not be reserved +system 00:00: iomem range 0x100000-0x1ef3ffff could not be reserved +system 00:00: iomem range 0x1ef40000-0x1ef4ffff could not be reserved +system 00:00: iomem range 0x1ef50000-0x1effffff could not be reserved +system 00:00: iomem range 0xfec10000-0xfec1ffff could not be reserved +system 00:00: iomem range 0xfeda0000-0xfedbffff could not be reserved +system 00:00: iomem range 0xfec00000-0xfec00fff could not be reserved +system 00:00: iomem range 0xfee00000-0xfee00fff could not be reserved +system 00:00: iomem range 0xffb00000-0xffbfffff could not be reserved +system 00:00: iomem range 0xffe80000-0xffffffff could not be reserved +system 00:08: ioport range 0x1e0-0x1ef has been reserved +system 00:08: ioport range 0x480-0x48f has been reserved +system 00:08: ioport range 0x680-0x6ff has been reserved +system 00:08: ioport range 0x800-0x80f has been reserved +system 00:08: ioport range 0xd800-0xd87f has been reserved +system 00:08: ioport range 0xd880-0xd89f has been reserved +system 00:08: ioport range 0xd8a0-0xd8bf has been reserved +system 00:08: ioport range 0xe000-0xe07f has been reserved +system 00:08: ioport range 0xe080-0xe0ff has been reserved +system 00:08: ioport range 0xe400-0xe47f has been reserved +system 00:08: ioport range 0xe480-0xe4ff has been reserved +system 00:08: ioport range 0xe800-0xe87f has been reserved +system 00:08: ioport range 0xe880-0xe8ff has been reserved +system 00:08: ioport range 0xec00-0xec7f has been reserved +system 00:08: ioport range 0xec80-0xecff has been reserved +system 00:08: ioport range 0xeeac-0xeeac has been reserved Full dmesg and config attached. Processor: Mobile Intel Pentium 4 (2.8GHz) lspci: 00:00.0 Host bridge [0600]: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller [8086:3580] (rev 02) 00:00.1 System peripheral [0880]: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller [8086:3584] (rev 02) 00:00.3 System peripheral [0880]: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller [8086:3585] (rev 02) 00:02.0 VGA compatible controller [0300]: Intel Corporation 82852/855GM Integrated Graphics Device [8086:3582] (rev 02) 00:02.1 Display controller [0380]: Intel Corporation 82852/855GM Integrated Graphics Device [8086:3582] (rev 02) 00:1d.0 USB Controller [0c03]: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1 [8086:24c2] (rev 03) 00:1d.1 USB Controller [0c03]: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2 [8086:24c4] (rev 03) 00:1d.7 USB Controller [0c03]: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI Controller [8086:24cd] (rev 03) 00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev 83) 00:1f.0 ISA bridge [0601]: Intel Corporation 82801DBM (ICH4-M) LPC Interface Bridge [8086:24cc] (rev 03) 00:1f.1 IDE interface [0101]: Intel Corporation 82801DBM (ICH4-M) IDE Controller [8086:24ca] (rev 03) 00:1f.5 Multimedia audio controller [0401]: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller [8086:24c5] (rev 03) 00:1f.6 Modem [0703]: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Modem Controller [8086:24c6] (rev 03) 01:08.0 Ethernet controller [0200]: Intel Corporation 82801DB PRO/100 VE (MOB) Ethernet Controller [8086:103d] (rev 83) 01:0b.0 CardBus bridge [0607]: Toshiba America Info Systems ToPIC100 PCI to Cardbus Bridge with ZV Support [1179:0617] (rev 33)