On Monday 23 of July 2007, Len Brown wrote:
> On Monday 23 July 2007 11:40, Arkadiusz Miskiewicz wrote:
> > After booting fresh 2.6.23rc1 taken from git I noticed oops in dmesg:
> >
> > [ 46.274038] BUG: unable to handle kernel NULL pointer dereference at
> > virtual address 00000000 [ 46.274042] printing eip:
> > [ 46.274044] f8b5b2dc
> > [ 46.274045] *pde = 00000000
> > [ 46.274048] Oops: 0000 [#1]
[...]
>
> Please try the patch below -- seems that I somehow neglected to include it
> in my rc1 batch.
No oops with patch applied. Thanks!
>
> thanks,
> -Len
>
> Subject: fix oops due to typo in new throttling code
> From: Luming Yu <luming.yu@xxxxxxxxx>
>
>
> Signed-off-by: Luming Yu <luming.yu@xxxxxxxxx>
> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
>
> ---
>
> drivers/acpi/processor_throttling.c | 6 ++++--
> 1 files changed, 4 insertions(+), 2 deletions(-)
>
> Index: linus/drivers/acpi/processor_throttling.c
> ===================================================================
> --- linus.orig/drivers/acpi/processor_throttling.c
> +++ linus/drivers/acpi/processor_throttling.c
> @@ -658,18 +658,20 @@ static int acpi_processor_throttling_seq
> pr->throttling.state_count - 1);
>
> seq_puts(seq, "states:\n");
> - if (acpi_processor_get_throttling == acpi_processor_get_throttling_fadt)
> + if (pr->throttling.acpi_processor_get_throttling ==
> + acpi_processor_get_throttling_fadt) {
> for (i = 0; i < pr->throttling.state_count; i++)
> seq_printf(seq, " %cT%d: %02d%%\n",
> (i == pr->throttling.state ? '*' : ' '), i,
> (pr->throttling.states[i].performance ? pr->
> throttling.states[i].performance / 10 : 0));
> - else
> + } else {
> for (i = 0; i < pr->throttling.state_count; i++)
> seq_printf(seq, " %cT%d: %02d%%\n",
> (i == pr->throttling.state ? '*' : ' '), i,
> (int)pr->throttling.states_tss[i].
> freqpercentage);
> + }
>
> end:
> return 0;
--
Arkadiusz Miśkiewicz PLD/Linux Team
arekm / maven.pl http://ftp.pld-linux.org/
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