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bh=gp25JhiIlb46OsL8MH4gkmTSxjfZL45OnrwdUKXi7B4=; b=ZstDaTkmIR3tGPHA51hW4uqFk3MNHOcBYQpiBmMw56Qaa/HdvLOqc7RCqxrnQ7CmbooB7p hkzQ41iUCf25d4BA== Received: from director2.suse.de ([192.168.254.72]) by imap3-int with ESMTPSA id 9r12JUWWu2BwYgAALh3uQQ (envelope-from ); Sat, 05 Jun 2021 15:20:37 +0000 Subject: Re: PROBLEM: bcache related kernel BUG() since Linux 5.12 To: Thorsten Knabe , Rolf Fokkens Cc: linux-bcache@vger.kernel.org References: <58f92cd7-38d1-bc16-2b5f-b68b2db2233b@thorsten-knabe.de> <7e3c8a62-71d4-11a7-5dd7-137c030f5aad@suse.de> <92f2fb24-0d19-939d-a37a-91b9c1da4ac1@thorsten-knabe.de> <2a37723c-bc91-351d-5b0e-e7d104f88141@rolffokkens.nl> <69319c4e-71fe-5c7d-955f-801fdb9d9cba@suse.de> <5df1c881-02e9-f951-5dbd-016a390d8d54@rolffokkens.nl> <709c9a11-686d-9b82-b016-e65fdca41f01@suse.de> From: Coly Li Message-ID: <1dba3411-5824-d9d6-befd-fda3d7806ded@suse.de> Date: Sat, 5 Jun 2021 23:20:34 +0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.10.2 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-bcache@vger.kernel.org On 6/4/21 8:06 PM, Thorsten Knabe wrote: > Hi Coly. > > On 6/4/21 12:35 PM, Coly Li wrote: >> On 6/4/21 5:07 PM, Rolf Fokkens wrote: >>> Hi Coly, Thorsten, >>> >>> I survived 48 hours perfectly: >>> >>> bash-5.0$ uptime >>>  10:45:53 up 2 days, 11:05,  1 user,  load average: 2.82, 3.45, 2.67 >>> bash-5.0$ cat /proc/version >>> Linux version 5.12.8-200.rf.fc33.x86_64 >>> (mockbuild@tb-sandbox-mjolnir.local.tbai.nl) (gcc (GCC) 10.3.1 20210422 >>> (Red Hat 10.3.1-1), GNU ld version 2.35-18.fc33) #1 SMP Tue Jun 1 >>> 23:10:39 CEST 2021 >>> bash-5.0$ >>> >>> Furthermore there are no concerning messages in the syslog. >> Hi Rolf, >> >> Thanks for your update. Which kind of applications/workload are running >> in the past 2 days ? >> >> Coly Li >> > No problems observed here too. Made a few (intended) reboots, ran a some > kernel builds and made a full backup during the last two days. Kernel is > now a stock 5.12.9. > Just booted the system from an USB stick (kernel here: debian > 5.10.0-0.bpo.5-amd64) and performed a filesystem (ext4) check, which > reported no errors. Hi Thorsten and Rolf, Thank you all for the testing and detail information. Now I am installing a dedicate machine to use bcache for my git mirrors, daily downloading and compiling testing. Let's me see how it works for such workloads. Coly Li