On 07/25/2014 09:30 AM, Francis Moreau wrote: > Hi, > > On 06/02/2014 04:07 PM, Francis Moreau wrote: >> Hello, >> >> On 05/15/2014 07:30 PM, Jens Axboe wrote: >>> On 05/15/2014 02:02 AM, Francis Moreau wrote: >>>> Hello Jens, >>>> >>>> On 05/12/2014 08:27 PM, Peter Kieser wrote: >>>>> >>>>> On 2014-05-05 3:30 PM, Nikolay Amiantov wrote: >>>>>> 2014-05-02 1:52 GMT+04:00 Slava Pestov <sp@xxxxxxxxx>: >>>>>>> There were two issues here: >>>>>>> >>>>>>> - writeback thread did not start until the device first became dirty >>>>>>> - writeback thread used uninterruptible sleep once running >>>>>>> >>>>>>> Without this patch I see kernel warnings printed and a load average of >>>>>>> 1.52 after booting my test VM. With this patch the warnings are gone and >>>>>>> the load average is near 0.00 as expected. >>>>>> I've tried this patch and it has indeed fixed [1]! Thanks! >>>>>> >>>>>> [1]: https://bugzilla.kernel.org/show_bug.cgi?id=69471 >>>>> >>>>> Kent, >>>>> >>>>> Could you please review this patch, and have it pushed upstream? >>>>> >>>> >>>> Would it be possible to merge this patch directly before 3.15 is being >>>> released since kent don't seem to care about bugs in bcache or maybe he >>>> does but very selectively ? >>>> >>>> Also it would be great that stable trees will be fixed. >>>> >>>> Eventually I would suggest to mark bcache as an experimental thing since >>>> it's really not ready for production, just take a look at the bcache >>>> mailing list to see why. At least people won't be disappointed when >>>> they'll use bcache and see ton of koops. >>> >>> I'd really like to get Kent to weigh in on this. Sometimes it appears >>> straightforward to switch from uninterruptible to interruptible sleep, >>> but then signals get in the way. >>> >> >> Any progress ? >> > > still present on 3.15.5-2-ARCH :-/ > still present on 3.14.17 :-/ -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
