From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf0-f49.google.com ([209.85.215.49]:36998 "EHLO mail-lf0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752341AbdHINmG (ORCPT ); Wed, 9 Aug 2017 09:42:06 -0400 Received: by mail-lf0-f49.google.com with SMTP id m86so28057618lfi.4 for ; Wed, 09 Aug 2017 06:42:05 -0700 (PDT) Date: Wed, 9 Aug 2017 15:42:02 +0200 From: Mario =?UTF-8?B?RnVnYXp6acKu?= To: "Janos Toth F." Cc: Btrfs BTRFS Subject: Re: BTRFS warning: unhandled fiemap cache detected Message-ID: <20170809154202.54d5ad5a@gmail.com> In-Reply-To: References: <20170809104820.25c3601e@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: Hi Janos, many thanks for your kind answer! Yes, I also saw a patch regarding this for 4.13, good to know that it is not a problem ;-) Thank you again. Mario On Wed, 9 Aug 2017 13:13:08 +0200 "Janos Toth F." wrote: > 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® 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 majordomo@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html