As much as I can tell it's nothing to worry about. (I have thousands of these warnings.) I don't know why the patch was submitted for 4.13 but not applied to the next 4.12.x , since it looks like a trivial tiny fix for an annoying problem.
On Wed, Aug 9, 2017 at 10:48 AM, Mario Fugazzi® <fugazz...@gmail.com> wrote: > Hi everyone :-) > > After updating the kernel to the latest one 4.12 I receive a lot of warnings > in > my dmesg but only on my ssd that is a kingston hyperx predator. > No message get logged for my other two traditional HD that are btrfs also. > Warnings show only on boot and not on every boot. > Kernel is now 4.12.5 but I got that till upgrading to 4.12, in 4.11 no > warnings. > > Just wanted to know if I have to worry about this, scrubs are ok and btrfs > check give me no problems. > > Thank you very much. > Mario. > > Some sample: > > [ 13.486100] BTRFS warning (device sdd2): unhandled fiemap cache detected: > offset=0 phys=1960767488 len=8192 flags=0x0 > [ 13.486110] BTRFS warning (device sdd2): unhandled fiemap cache detected: > offset=0 phys=1960767488 len=8192 flags=0x0 > [ 13.486261] BTRFS warning (device sdd2): unhandled fiemap cache detected: > offset=0 phys=1960824832 len=12288 flags=0x0 > [ 13.486280] BTRFS warning (device sdd2): unhandled fiemap cache detected: > offset=0 phys=1960763392 len=4096 flags=0x0 > [ 13.486434] BTRFS warning (device sdd2): unhandled fiemap cache detected: > offset=0 phys=1960767488 len=8192 flags=0x0 > [ 13.486446] BTRFS warning (device sdd2): unhandled fiemap cache detected: > offset=0 phys=1960775680 len=4096 flags=0x0 > [ 13.486616] BTRFS warning (device sdd2): unhandled fiemap cache detected: > offset=0 phys=1960783872 len=24576 flags=0x0 > [ 13.486650] BTRFS warning (device sdd2): unhandled fiemap cache detected: > offset=0 phys=1960808448 len=4096 flags=0x0 > [ 13.486719] BTRFS warning (device sdd2): unhandled fiemap cache detected: > offset=0 phys=1960812544 len=8192 flags=0x0 > [ 13.486742] BTRFS warning (device sdd2): unhandled fiemap cache detected: > offset=0 phys=1960820736 len=4096 flags=0x0 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
