RE: [PATCH] [v4] PM / hibernate: Fix hibernation panic caused by inconsistent e820 map

From: Chen, Yu C
Date: Thu Sep 17 2015 - 14:21:50 EST


Hi ,Pavel
> -----Original Message-----
> From: Pavel Machek [mailto:pavel@xxxxxx]
> Sent: Thursday, September 17, 2015 2:08 PM
> To: Chen, Yu C
> Cc: rjw@xxxxxxxxxxxxx; Brown, Len; linux-pm@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; Zhang, Rui; jlee@xxxxxxxx;
> joeyli.kernel@xxxxxxxxx; yinghai@xxxxxxxxxx
> Subject: Re: [PATCH] [v4] PM / hibernate: Fix hibernation panic caused by
> inconsistent e820 map
>
> > With v3 patch applied, I did 30 cycles on my problematic platform,
> > no panic triggered anymore(50% reproducible before patched, by
> > plugging/unplugging memory peripheral during hibernation), and it
> > just warns of invalid pages.
>
> NAK. Turning panic into data corruption is a bad idea.
>
Once an invalid page is found , the whole restoring process would be terminated
(before restoring the data pages)
I 'm not sure what does "data corruption" mean here?
Thanks.

Best Regards,
Yu
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