Older versions of Libreboot and Coreboot had an invalid value
(`3' in my case) in the century byte affecting the GM45 in
the Thinkpad X200. Not everybody's updated their firmwares,
and Linux <= 4.2 was able to read the RTC without problems,
so workaround this by ignoring invalid values.
Fixes: 3c
On 06/01/2019 08:21:03+, Eric Wong wrote:
> Older versions of Libreboot and Coreboot had an invalid value
> (`3' in my case) in the century byte affecting the GM45 in
> the Thinkpad X200. Not everybody's updated their firmwares,
> and Linux <= 4.2 was able to read the RTC without problems,
> s
On 06/01/2019 08:21:03+, Eric Wong wrote:
> Older versions of Libreboot and Coreboot had an invalid value
> (`3' in my case) in the century byte affecting the GM45 in
> the Thinkpad X200. Not everybody's updated their firmwares,
> and Linux <= 4.2 was able to read the RTC without problems,
> s
Alexandre Belloni wrote:
> Does this mean that it is set to an invalid value and that in is not
> getting updated properly in mc146818_set_time?
It seems to be set/updated without trouble while the machine is
on. It's only on a cold boot (from poweroff or hibernate) that
the value is invalid.
P
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