Re: 2.6.1-rc1-ben1, iBook G4 and cpufreq
Hi,
On Fri, Jan 02, 2004 at 01:57:36AM +0100, eric.bachard@b.org wrote:
> Hi,
>
> Colin Leroy a ?crit :
>
> > Hi,
> >
> > Just to report success with latest BenH kernel, regarding cpu
> frequency control:
> > using 2.6.1-rc1-ben1 on my iBook G4 (14", 933MHz), cpuinfo reports:
>
>
> *Success* for me too, but for a *15" albook (1,25GHz)* :
>
> Using :
>
> Linux alube 2.6.1-rc1-ben1 #1 Thu Jan 1 21:49:31 CET 2004 ppc GNU/Linux
>
I've tried on my iBook g4 12" and I get two call traces every time powernowd
changes the cpu frequency:
bad: scheduling while atomic!
Call trace:
[c0009de8] dump_stack+0x18/0x28
[c0016c60] schedule+0x814/0x818
[c00253a4] schedule_timeout+0x84/0xdc
[c029e9b4] 0xc029e9b4
[c029ed44] 0xc029ed44
[c029ee48] 0xc029ee48
[c0165a88] __cpufreq_driver_target+0x20/0x30
[c0165af8] cpufreq_driver_target+0x60/0xb0
[c0166858] cpufreq_set+0xa0/0xe8
[c0166980] store_speed+0x50/0x68
[c01652f0] store+0x78/0x80
[c0091a78] flush_write_buffer+0x38/0x48
[c0091ae0] sysfs_write_file+0x58/0x88
[c00572f4] vfs_write+0xdc/0x128
[c00573f4] sys_write+0x40/0x74
bad: scheduling while atomic!
Call trace:
[c0009de8] dump_stack+0x18/0x28
[c0016c60] schedule+0x814/0x818
[c00253a4] schedule_timeout+0x84/0xdc
[c029ea2c] 0xc029ea2c
[c029ed44] 0xc029ed44
[c029ee48] 0xc029ee48
[c0165a88] __cpufreq_driver_target+0x20/0x30
[c0165af8] cpufreq_driver_target+0x60/0xb0
[c0166858] cpufreq_set+0xa0/0xe8
[c0166980] store_speed+0x50/0x68
[c01652f0] store+0x78/0x80
[c0091a78] flush_write_buffer+0x38/0x48
[c0091ae0] sysfs_write_file+0x58/0x88
[c00572f4] vfs_write+0xdc/0x128
[c00573f4] sys_write+0x40/0x74
But it seems to work ok (at least /proc/cpuinfo change its output):
processor : 0
cpu : 7455, altivec supported
clock : 606MHz
revision : 3.3 (pvr 8001 0303)
bogomips : 610.30
machine : PowerBook6,3
motherboard : PowerBook6,3 MacRISC3 Power Macintosh
detected as : 287 (iBook G4)
pmac flags : 0000000a
L2 cache : 256K unified
memory : 256MB
pmac-generation : NewWorld
processor : 0
cpu : 7455, altivec supported
clock : 798MHz
revision : 3.3 (pvr 8001 0303)
bogomips : 804.37
machine : PowerBook6,3
motherboard : PowerBook6,3 MacRISC3 Power Macintosh
detected as : 287 (iBook G4)
pmac flags : 0000000a
L2 cache : 256K unified
memory : 256MB
pmac-generation : NewWorld
greetings
Tomas
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