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 :-/ Bye -- 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
