Re: acpitool - /proc/acpi/wakeup

From: Chuck Ebbert
Date: Thu Oct 09 2014 - 16:27:41 EST


On Thu, 9 Oct 2014 22:16:11 +0200
Frans Klaver <fransklaver@xxxxxxxxx> wrote:

> On Thu, Oct 9, 2014 at 9:58 PM, Marc Burkhardt <marc@xxxxxxxxxxxxxxx> wrote:
> >
> >
> >>On Thu, Oct 9, 2014 at 9:42 PM, Marc Burkhardt <marc@xxxxxxxxxxxxxxx>
> >>wrote:
> >>> I upgraded from 3.10 on that machine. 3.12 didn't work for me due to
> >>a hibernation bug. The rest was left out... :/
> >>
> >>If you still have the 3.12 kernel around, could you test if acpitool
> >>-e worked there?
> >
> > Let me ask you a question: does it make sense to test 3.12 again because you know there's something changed regarding /proc/acpi/... or because it's the kernel I broke up on upgrading?
>
> Never mind. It broke after 3.14. I'll bisect.
>

The below patch fixes it for me. Looks like the line sizes changed
and some are now exactly the right length to make it loop forever
reading /proc/acpi/wakeup:


--- a/src/acpitool.cpp
+++ b/src/acpitool.cpp
@@ -417,7 +417,7 @@ int Do_Fan_Info(int verbose)
int Show_WakeUp_Devices(int verbose)
{
ifstream file_in;
- char *filename, str[40];
+ char *filename, str[80];

filename = "/proc/acpi/wakeup";

@@ -438,13 +438,13 @@ int Show_WakeUp_Devices(int verbose)
}
else
{
- file_in.getline(str, 40); // first line are just headers //
+ file_in.getline(str, 80); // first line are just headers //
cout<<" "<<str<<endl;
cout<<" ---------------------------------------"<<endl;
int t = 1;
while(!file_in.eof())
{
- file_in.getline(str, 40);
+ file_in.getline(str, 80);
if (strlen(str)!=0) // avoid printing last empty line //
{
cout<<" "<<t<<". "<<str<<endl;
--
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