linux-kernel - Re: pm_trace displays the wrong time from the RTC

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Date:	Wed, 01 Aug 2007 14:15:15 -0400
From:	Chuck Ebbert <cebbert@...hat.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: pm_trace displays the wrong time from the RTC

On 08/01/2007 11:47 AM, Rafael J. Wysocki wrote:
> Sorry for slow response, I've just noticed this thread.
> 
> On Tuesday, 31 July 2007 23:20, Chuck Ebbert wrote:
>> When resuming, systems print this when booted on 07/31/07:
>>
>> Date: 06/31/107
>>
>> /drivers/base/power/trace.c::read_magic_time():
>> 114	get_rtc_time(&time);
>> 115	printk("Time: %2d:%02d:%02d Date: %02d/%02d/%02d\n",
>> 116		time.tm_hour, time.tm_min, time.tm_sec,
>> 117		time.tm_mon, time.tm_mday, time.tm_year);
>>
>> include/asm-generic/rtc.h:
>> 102         /*
>> 103          * Account for differences between how the RTC uses the values
>> 104          * and how they are defined in a struct rtc_time;
>> 105          */
>> 106         if (time->tm_year <= 69)
>> 107                 time->tm_year += 100;
>> 108 
>> 109         time->tm_mon--;
> 
> Do you mean that systems display bad date after resuming if PM_TRACE is set,
> even if /sys/power/pm_trace contains 1 ?
> 
> If that's the case, are they i386 or x86_64?
> 

i386:

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=250238
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