Comment 1 for bug 206316

Hi, I can confirm this on the same Acer model, also in 2.6.24-19 kernel, using fglrx and b43 driver:

[ 1220.596228] BUG: soft lockup - CPU#0 stuck for 11s! [swapper:0]
[ 1220.596230]
[ 1220.596232] Pid: 0, comm: swapper Tainted: P (2.6.24-19-generic #1)
[ 1220.596235] EIP: 0060:[<c031c46d>] EFLAGS: 00000246 CPU: 0
[ 1220.596238] EIP is at _spin_unlock_irqrestore+0xd/0x20
[ 1220.596240] EAX: 00000246 EBX: 00000000 ECX: 00000246 EDX: 00000000
[ 1220.596242] ESI: 00000246 EDI: 00000001 EBP: 000068a0 ESP: c041df7c
[ 1220.596245] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[ 1220.596247] CR0: 8005003b CR2: b6b5f000 CR3: 35090000 CR4: 00000690
[ 1220.596250] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 1220.596252] DR6: ffff0ff0 DR7: 00000400
[ 1220.596254] [<c0247ed3>] acpi_get_register+0x2a/0x30
[ 1220.596276] [<f88691d5>] acpi_idle_enter_bm+0x51/0x2ce [processor]
[ 1220.596296] [<c0295f34>] menu_select+0x84/0xa0
[ 1220.596321] [<c02952bc>] cpuidle_idle_call+0x7c/0xb0
[ 1220.596333] [<c0102695>] cpu_idle+0x45/0xd0
[ 1220.596349] [<c0421a5f>] start_kernel+0x31f/0x3b0
[ 1220.596357] [<c0421130>] unknown_bootoption+0x0/0x1e0