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From: Bart Van Assche <Bart.VanAssche@wdc.com>
To: "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
	"abdhalee@linux.vnet.ibm.com" <abdhalee@linux.vnet.ibm.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"dougmill@linux.vnet.ibm.com" <dougmill@linux.vnet.ibm.com>,
	"axboe@kernel.dk" <axboe@kernel.dk>,
	"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
	"sachinp@linux.vnet.ibm.com" <sachinp@linux.vnet.ibm.com>,
	"jack@suse.com" <jack@suse.com>,
	"mpe@ellerman.id.au" <mpe@ellerman.id.au>,
	"MPT-FusionLinux.pdl@broadcom.com"
	<MPT-FusionLinux.pdl@broadcom.com>
Subject: Re: [4.18.0-rc4][bisected a063057d][mpt3sas] WARNING: CPU: 87 PID: 18868 at block/blk-core.c:781 blk_cleanup_queue+0x20c/0x220
Date: Mon, 16 Jul 2018 14:00:27 +0000	[thread overview]
Message-ID: <453e3f042dfbb4c848cb434db888f9051c58686a.camel@wdc.com> (raw)
In-Reply-To: <1531731189.15016.15.camel@abdul.in.ibm.com>

On Mon, 2018-07-16 at 14:23 +0530, Abdul Haleem wrote:
> mpt3sas module unload triggered a warning at block/blk-core.c:781 on a
> powerpc bare-metal running mainline kernel
> 
> WARN_ON_ONCE() was introduced with commit a063057 : block: Fix a race
> between request queue removal and the block cgroup controller

Please check whether the following patch series fixes this regression: [PATCH
v3 0/2] Ensure that a request queue is dissociated from the cgroup controller
(https://www.mail-archive.com/linux-block@vger.kernel.org/msg21897.html).

Thanks,

Bart.






WARNING: multiple messages have this Message-ID (diff)
From: Bart Van Assche <Bart.VanAssche@wdc.com>
To: "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
	"abdhalee@linux.vnet.ibm.com" <abdhalee@linux.vnet.ibm.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"dougmill@linux.vnet.ibm.com" <dougmill@linux.vnet.ibm.com>,
	"axboe@kernel.dk" <axboe@kernel.dk>,
	"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
	"sachinp@linux.vnet.ibm.com" <sachinp@linux.vnet.ibm.com>,
	"jack@suse.com" <jack@suse.com>,
	"mpe@ellerman.id.au" <mpe@ellerman.id.au>,
	"MPT-FusionLinux.pdl@broadcom.com"
	<MPT-FusionLinux.pdl@broadcom.com>
Subject: Re: [4.18.0-rc4][bisected a063057d][mpt3sas] WARNING: CPU: 87 PID: 18868 at block/blk-core.c:781 blk_cleanup_queue+0x20c/0x220
Date: Mon, 16 Jul 2018 14:00:27 +0000	[thread overview]
Message-ID: <453e3f042dfbb4c848cb434db888f9051c58686a.camel@wdc.com> (raw)
In-Reply-To: <1531731189.15016.15.camel@abdul.in.ibm.com>

On Mon, 2018-07-16 at 14:23 +0530, Abdul Haleem wrote:
> mpt3sas module unload triggered a warning at block/blk-core.c:781 on =
a
> powerpc bare-metal running mainline kernel
>=20
> WARN_ON_ONCE() was introduced with commit a063057 : block: Fi=
x a race
> between request queue removal and the block cgroup controller

Please check whether the following patch series fixes this regression: [=
-PATCH
v3 0/2] Ensure that a request queue is dissociated from the cgroup cont=
roller
(https://www.mail-archive.com/linux-block@vger.kernel.org/msg21897.html=
).

Thanks,

Bart.

  reply	other threads:[~2018-07-16 14:00 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-16  8:53 [4.18.0-rc4][bisected a063057d][mpt3sas] WARNING: CPU: 87 PID: 18868 at block/blk-core.c:781 blk_cleanup_queue+0x20c/0x220 Abdul Haleem
2018-07-16 14:00 ` Bart Van Assche [this message]
2018-07-16 14:00   ` Bart Van Assche

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