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Thu, 28 Mar 2024 21:23:56 +0100 Message-ID: <874a2dc5-191f-4e20-9f18-998a107b09a5@gmx.com> Date: Fri, 29 Mar 2024 06:53:52 +1030 Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: I/O blocked after booting To: "Massimo B." , linux-btrfs References: <238dc2b36f27838baf02425b364705c58fcc5de5.camel@gmx.net> <22650868-6777-41ae-a068-37821929be7c@gmx.com> <47440995279bdba442678e807499fff05ee49302.camel@gmx.net> <94addf02f0eac5e5f402f48f41d16cb80d17470b.camel@gmx.net> Content-Language: en-US From: Qu Wenruo Autocrypt: addr=quwenruo.btrfs@gmx.com; keydata= xsBNBFnVga8BCACyhFP3ExcTIuB73jDIBA/vSoYcTyysFQzPvez64TUSCv1SgXEByR7fju3o 8RfaWuHCnkkea5luuTZMqfgTXrun2dqNVYDNOV6RIVrc4YuG20yhC1epnV55fJCThqij0MRL 1NxPKXIlEdHvN0Kov3CtWA+R1iNN0RCeVun7rmOrrjBK573aWC5sgP7YsBOLK79H3tmUtz6b 9Imuj0ZyEsa76Xg9PX9Hn2myKj1hfWGS+5og9Va4hrwQC8ipjXik6NKR5GDV+hOZkktU81G5 gkQtGB9jOAYRs86QG/b7PtIlbd3+pppT0gaS+wvwMs8cuNG+Pu6KO1oC4jgdseFLu7NpABEB AAHNIlF1IFdlbnJ1byA8cXV3ZW5ydW8uYnRyZnNAZ214LmNvbT7CwJQEEwEIAD4CGwMFCwkI BwIGFQgJCgsCBBYCAwECHgECF4AWIQQt33LlpaVbqJ2qQuHCPZHzoSX+qAUCY00iVQUJDToH pgAKCRDCPZHzoSX+qNKACACkjDLzCvcFuDlgqCiS4ajHAo6twGra3uGgY2klo3S4JespWifr BLPPak74oOShqNZ8yWzB1Bkz1u93Ifx3c3H0r2vLWrImoP5eQdymVqMWmDAq+sV1Koyt8gXQ XPD2jQCrfR9nUuV1F3Z4Lgo+6I5LjuXBVEayFdz/VYK63+YLEAlSowCF72Lkz06TmaI0XMyj jgRNGM2MRgfxbprCcsgUypaDfmhY2nrhIzPUICURfp9t/65+/PLlV4nYs+DtSwPyNjkPX72+ LdyIdY+BqS8cZbPG5spCyJIlZonADojLDYQq4QnufARU51zyVjzTXMg5gAttDZwTH+8LbNI4 mm2YzsBNBFnVga8BCACqU+th4Esy/c8BnvliFAjAfpzhI1wH76FD1MJPmAhA3DnX5JDORcga CbPEwhLj1xlwTgpeT+QfDmGJ5B5BlrrQFZVE1fChEjiJvyiSAO4yQPkrPVYTI7Xj34FnscPj /IrRUUka68MlHxPtFnAHr25VIuOS41lmYKYNwPNLRz9Ik6DmeTG3WJO2BQRNvXA0pXrJH1fN GSsRb+pKEKHKtL1803x71zQxCwLh+zLP1iXHVM5j8gX9zqupigQR/Cel2XPS44zWcDW8r7B0 q1eW4Jrv0x19p4P923voqn+joIAostyNTUjCeSrUdKth9jcdlam9X2DziA/DHDFfS5eq4fEv ABEBAAHCwHwEGAEIACYCGwwWIQQt33LlpaVbqJ2qQuHCPZHzoSX+qAUCY00ibgUJDToHvwAK CRDCPZHzoSX+qK6vB/9yyZlsS+ijtsvwYDjGA2WhVhN07Xa5SBBvGCAycyGGzSMkOJcOtUUf tD+ADyrLbLuVSfRN1ke738UojphwkSFj4t9scG5A+U8GgOZtrlYOsY2+cG3R5vjoXUgXMP37 INfWh0KbJodf0G48xouesn08cbfUdlphSMXujCA8y5TcNyRuNv2q5Nizl8sKhUZzh4BascoK DChBuznBsucCTAGrwPgG4/ul6HnWE8DipMKvkV9ob1xJS2W4WJRPp6QdVrBWJ9cCdtpR6GbL iQi22uZXoSPv/0oUrGU+U5X4IvdnvT+8viPzszL5wXswJZfqfy8tmHM85yjObVdIG6AlnrrD In-Reply-To: <94addf02f0eac5e5f402f48f41d16cb80d17470b.camel@gmx.net> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:9RLlIHOAED1b1p0a7MJnwjSfB7wFKw54pDosiL8UymGTs59sv9H ZsKvoajG2d5w1v319MVw/DOr0wCvrE20RdwMmRWerRflQP9sZD26ytXKkJYBYiFX2KJCMiJ xywhejcPPRLXlsqDDfFJIyxMFzbCizyayE7vqsIt3obiuq0Fhnvw5ERDktjd278zgTnaQUz RjxbOstLxxCikV9db9U7w== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:kcwasbH0NO4=;ZMVhqJSWxye7+WUfn05LqW8a+sH SeJpMeBdOn8I6HNywfbTKWUM3/sglivm+cAAdWRr/swluIoCvKwY12D/pF2PYz9GFnH9FlzQA wcXMzTlC3ctuH3MqsB18UbBnHPSV+O8v4gDVPsw1PbAA9RcYYhk+79pCa/+Wuhj+4YCpb11yq 10VfHN2OwB3legKxKlZP6K6HXnfs+GL4YqDz6iwcD+8CL42B1ztYPdkNyKEIsM33WWpEAMSCo Rsm+MECz0oB1Hl33T3ChjFRxc2cIeKMoIhPTp2sqNuF+CCtGCrSQB2k28g6XISir5JSOuUcc7 lfGcCQdpy2l57gchg0sGQSSO+puawyiW2MQFtPoRKbfcuKbCs+B+jlVHFzaexc+5PaTKH49ck WStoix+7hCtiOy7xvV4ChYluwBQ4cGljO9r9RdmmhrKBs9DnYq0D7jsxdT9IbrDhcXYV0C7u0 OjnR0hG7Y+u5zrXx9q86F4mXkg8YrVdp9ux9ozODXvlk5X9w9qjJiXXynUmgT3MQYBHpVMKf1 rHPG40FRuFBskmEoZ74PNoA/XgJgNJGhoMpOKOkym6ifP5uro3QnXnCMZmeG8T5L9aXBP1RjA EVPMVkfUVJEFz8oKzZHHpWDVSgexzSYBM7NUugAMND1hs4S0/SSHuBhmIl4f7gXU6W05a81ry nh6diX7TNm0s6j/6ERG9bSnveeUWMPQBNtyqWmVTerAuy7Nu0ry2TMBoMmMOa4gVQYcZLzHB3 jHo9txKYJ+MlqtjLaBv3/TZvOmgc9ZlTvhf4w8XFQb1s5Oiu79TpjX072KpGI8QNCOYlWTT00 1/6J4vVRx4olZX9gBCGH6VHj/Es+4SHLF4VLRy2T+HKy8= =E5=9C=A8 2024/3/29 01:25, Massimo B. =E5=86=99=E9=81=93: > On Thu, 2024-03-28 at 11:39 +0100, Massimo B. wrote: > >> Mar 28 11:38:26 [kernel] [14826.740669] BTRFS warning (device dm-0): fa= iled to >> trim 698 block group(s), last error -512 >> Mar 28 11:38:26 [kernel] [14826.741731] BTRFS warning (device dm-0): fa= iled to >> trim 1 device(s), last error -512 > > > I have set nodiscard now on all my btrfs on SSDs... > For not rebooting I did mount -o remount,nodiscard / > and I see in the syslog: turning off async discard I mean you should not do any fstrim/discard to see if everything works fine first. This is to make sure the problem is really from the trim/discard part. Thanks, Qu > > Eventhough fstrim was finishing one time with > /: 157,3 GiB (168907370496 bytes) trimmed on /dev/mapper/luks-6745.... > > ... now running again, it does not return, and in the syslog I see: > [kernel] BTRFS warning (device dm-0): failed to trim 143 block group(s),= last > error -512 > > dmsetup table > shows allow_discards on that device. > > > Again I did mount -o remount,nodiscard / > > But this time I don't see in the syslog "turning off async discard" s= o it > seems to be still disabled. > > grep " / " /proc/mounts > shows nothing about discard or nodiscard in the options. > > What can I do about that failed to trim? > I have tried this on different disks like > > Samsung SSD 970 EVO Plus 1TB NVMe > and > Samsung SSD 860 EVO 1TB SATA > > Trying again after the failed to trim, I got it finished again with > 156,8 GiB (168413265920 bytes) trimmed > > Should fstrim be fast if it was just finished some minutes before? Why t= here are > again more than 100GiB to be trimmed shortly after the last run? > > Is there anything broken with the trim on these devices? > > Best regards, > Massimo