Messages in this thread | | | Date | Thu, 29 Aug 2013 11:43:33 -0700 | From | John Stultz <> | Subject | Re: [RFC PATCHv3] drivers: power: Detect device suspend/resume lockup and log event in pstore. |
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On 08/29/2013 11:23 AM, Pavel Machek wrote: > On Wed 2013-08-28 15:43:42, Colin Cross wrote: >> On Wed, Aug 28, 2013 at 3:36 PM, John Stultz <john.stultz@linaro.org> wrote: >>> On 08/28/2013 01:52 PM, Rafael J. Wysocki wrote: >>>> On Wednesday, August 28, 2013 10:45:45 AM Zoran Markovic wrote: >>>>> Hi Rafael, >>>>>> It doesn't look too bad from a quick look, but there's a couple of things >>>>>> I don't like in it still (relatively minor). >>>>> If there are things you would like changed in this patch, please let >>>>> me know. It would be nice to catch the 3.12 merge window. >>>> Well, it's not in my queue to be honest. >>>> >>>> Is there any practical reason why it should go into the next release? >>> I wouldn't say its critical for the next release, but I feel like this >>> was the same response last cycle. Zoran's since investigated the various >>> alternative approaches you've suggested, and continues to be interested >>> in resolving your remaining objections. >>> >>> Its a useful feature the Android devs use, which could also help >>> non-android developers debug suspend issues on their systems. >>> >>> If you really just feel its something best left out of tree, that's hard >>> to argue against. Its just a debug tool and the android guys don't have >>> an issue carrying their own tree, after all. But the cost of leaving it >>> out is just the potential of others having to re-implement similar hacks >>> on their own instead of collaborating on shared infrastructure. >> And the benefit is that you are more likely to get bugreports that >> have a stack trace of the offending suspend callback instead of "my >> laptop doesn't suspend any more". > Laptops do not have persistent store for dmesg. So... are you sure?
I pstore has support for EFI, so some laptops do.
thanks -john
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