I am using Fedora 8 and i am getting freezes from time to time, this is what i get in my message logs.
http://pastebin.com/m7ac9858

A little sample

Dec 21 16:29:27 fedora kernel: BUG: soft lockup - CPU#0 stuck for 24s! [wish:2244]
Dec 21 16:29:27 fedora kernel:
Dec 21 16:29:27 fedora kernel: Pid: 2244, comm: wish
Dec 21 16:29:27 fedora kernel: EIP: 0073:[<00824902>] CPU: 0
Dec 21 16:29:27 fedora kernel: EIP is at 0x824902
Dec 21 16:29:27 fedora kernel: ESP: 007b:bfc55cc4 EFLAGS: 00000206 Not tainted (2.6.23.9-85.fc8 #1)
Dec 21 16:29:27 fedora kernel: EAX: 00000000 EBX: 0987f2cc ECX: 00000080 EDX: 00062e5d
Dec 21 16:29:27 fedora kernel: ESI: bfc55cc8 EDI: 00062e5d EBP: bfc55d14 DS: 007b ES: 007b FS: 0000
Dec 21 16:29:27 fedora kernel: CR0: 8005003b CR2: 099327e8 CR3: 1de04000 CR4: 000006d0
Dec 21 16:29:27 fedora kernel: DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
Dec 21 16:29:27 fedora kernel: DR6: ffff0ff0 DR7: 00000400
Dec 21 16:29:27 fedora kernel: =======================
Dec 21 16:30:03 fedora kernel: BUG: soft lockup - CPU#0 stuck for 266s! [swapper:0]
Dec 21 16:30:03 fedora kernel:
Dec 21 16:30:03 fedora kernel: Pid: 0, comm: swapper
Dec 21 16:30:03 fedora kernel: EIP: 0060:[<c05382e6>] CPU: 0
Dec 21 16:30:03 fedora kernel: EIP is at acpi_idle_enter_simple+0x17b/0x1f1
Dec 21 16:30:03 fedora kernel: EFLAGS: 00000206 Not tainted (2.6.23.9-85.fc8 #1)
Dec 21 16:30:03 fedora kernel: EAX: 00000000 EBX: 000006ce ECX: 00000000 EDX: 00000000
Dec 21 16:30:03 fedora kernel: ESI: 00000000 EDI: 00d505a8 EBP: 00d4feda DS: 007b ES: 007b FS: 00d8
Dec 21 16:30:03 fedora kernel: CR0: 8005003b CR2: 08ec4788 CR3: 1d3c9000 CR4: 000006d0
Dec 21 16:30:03 fedora kernel: DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
Dec 21 16:30:03 fedora kernel: DR6: ffff0ff0 DR7: 00000400
Dec 21 16:30:03 fedora kernel: [<c05a2399>] cpuidle_idle_call+0x5c/0x7f
Dec 21 16:30:03 fedora kernel: [<c05a233d>] cpuidle_idle_call+0x0/0x7f
Dec 21 16:30:03 fedora kernel: [<c040340b>] cpu_idle+0xab/0xcc
Dec 21 16:30:03 fedora kernel: [<c073fa6c>] start_kernel+0x32c/0x334
Dec 21 16:30:03 fedora kernel: [<c073f177>] unknown_bootoption+0x0/0x195
Dec 21 16:30:03 fedora kernel: =======================

Any help is muh apprecited, i want to keep using this great distro!

Ps: My laptop is a Hp nx9020 (Intel Celerom 1400, / Intel video and wireless / 512 mb RAM)