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From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Benjamin Block <bblock@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
	linux-scsi@vger.kernel.org, Steffen Maier <maier@linux.ibm.com>,
	Alexander Egorenkov <egorenar@linux.ibm.com>
Subject: Re: regression next-20220714: mkfs.ext4 on multipath device over scsi disks causes 'lifelock' in block layer
Date: Mon, 18 Jul 2022 22:23:26 -0400	[thread overview]
Message-ID: <yq1edyhrgpi.fsf@ca-mkp.ca.oracle.com> (raw)
In-Reply-To: <YtWPoZISMLxHA/vu@t480-pf1aa2c2.fritz.box> (Benjamin Block's message of "Mon, 18 Jul 2022 16:51:45 +0000")


Benjamin,

>   # lsblk -D /dev/sda /dev/sde
>   NAME        DISC-ALN DISC-GRAN DISC-MAX DISC-ZERO
>   sda                0        1G       4G         0
>   └─mpathc           0        1G       4G         0
>     └─mpathc1        0        1G       4G         0
>   sde                0        1G       4G         0
>   └─mpathc           0        1G       4G         0
>     └─mpathc1        0        1G       4G         0

>   # lsblk -S /dev/sda /dev/sde
>   NAME HCTL             TYPE VENDOR   MODEL    REV SERIAL      TRAN
>   sda  0:0:0:1079787648 disk IBM      2107900 1060 75DL241805C fc
>   sde  1:0:0:1079787648 disk IBM      2107900 1060 75DL241805C fc
>
> Any idea why this is happening? In case you need more details, this
> reproduces very reliably here.

Are the reported discard limits different on kernels predating that
commit?

Please send the output of:

# grep . /sys/block/sdN/queue/discard_* /sys/block/sdN/device/scsi_disk/*/*_mode
# sg_readcap -l /dev/sdN
# sg_vpg -p bl /dev/sdN
# sg_vpg -p lbpv /dev/sdN

Ideally (for the grep) before and after the offending commit.

Thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering

  reply	other threads:[~2022-07-19  2:23 UTC|newest]

Thread overview: 75+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-02  5:35 SCSI discovery update Martin K. Petersen
2022-03-02  5:35 ` [PATCH 01/14] scsi: mpt3sas: Use cached ATA Information VPD page Martin K. Petersen
2022-03-02  9:47   ` Christoph Hellwig
2022-03-02 14:18   ` Johannes Thumshirn
2022-04-20 12:06   ` Hannes Reinecke
2022-05-03  0:51   ` Martin K. Petersen
2022-03-02  5:35 ` [PATCH 02/14] scsi: core: Query VPD size before getting full page Martin K. Petersen
2022-03-02  9:48   ` Christoph Hellwig
2022-03-02 14:25   ` Johannes Thumshirn
2022-03-04  3:42     ` Martin K. Petersen
2022-03-03  0:30   ` Bart Van Assche
2022-03-04  3:28     ` Martin K. Petersen
2022-03-02  5:35 ` [PATCH 03/14] scsi: core: Do not truncate INQUIRY data on modern devices Martin K. Petersen
2022-03-02  9:49   ` Christoph Hellwig
2022-03-02 14:27   ` Johannes Thumshirn
2022-03-03  0:14   ` Bart Van Assche
2022-03-04  3:40     ` Martin K. Petersen
2022-03-02  5:35 ` [PATCH 04/14] scsi: core: Pick suitable allocation length in scsi_report_opcode() Martin K. Petersen
2022-03-02  9:49   ` Christoph Hellwig
2022-03-02 14:29   ` Johannes Thumshirn
2022-03-03  0:39   ` Bart Van Assche
2022-04-20 12:06   ` Hannes Reinecke
2022-03-02  5:35 ` [PATCH 05/14] scsi: core: Cache VPD pages b0, b1, b2 Martin K. Petersen
2022-03-02  9:50   ` Christoph Hellwig
2022-03-02 14:30   ` Johannes Thumshirn
2022-03-03  1:30   ` Bart Van Assche
2022-04-20 12:07   ` Hannes Reinecke
2022-03-02  5:35 ` [PATCH 06/14] scsi: sd: Use cached ATA Information VPD page Martin K. Petersen
2022-03-02  9:50   ` Christoph Hellwig
2022-03-03  0:40   ` Bart Van Assche
2022-03-04  9:29   ` Johannes Thumshirn
2022-03-02  5:35 ` [PATCH 07/14] scsi: sd: Switch to using scsi_device VPD pages Martin K. Petersen
2022-03-02  9:51   ` Christoph Hellwig
2022-03-03  0:42   ` Bart Van Assche
2022-03-04  9:29   ` Johannes Thumshirn
2022-03-02  5:35 ` [PATCH 08/14] scsi: sd: Optimal I/O size should be a multiple of reported granularity Martin K. Petersen
2022-03-02  9:51   ` Christoph Hellwig
2022-03-03 20:17   ` Bart Van Assche
2022-03-04  3:45     ` Martin K. Petersen
2022-03-04  5:06       ` Bart Van Assche
2022-03-02  5:35 ` [PATCH 09/14] scsi: sd: Fix discard errors during revalidate Martin K. Petersen
2022-03-02  9:52   ` Christoph Hellwig
2022-03-03 21:06   ` Bart Van Assche
2022-03-04  3:55     ` Martin K. Petersen
2022-03-06  0:35       ` Bart Van Assche
2022-03-02  5:35 ` [PATCH 10/14] scsi: sd: Move WRITE_ZEROES configuration to a separate function Martin K. Petersen
2022-03-02  9:53   ` Christoph Hellwig
2022-03-03  0:52   ` Bart Van Assche
2022-07-18 16:51   ` regression next-20220714: mkfs.ext4 on multipath device over scsi disks causes 'lifelock' in block layer Benjamin Block
2022-07-19  2:23     ` Martin K. Petersen [this message]
2022-07-19 11:37       ` Benjamin Block
2022-07-21  2:29         ` Martin K. Petersen
2022-07-21 13:25           ` Benjamin Block
2022-03-02  5:35 ` [PATCH 11/14] scsi: sd: Implement support for NDOB flag in WRITE SAME(16) Martin K. Petersen
2022-03-02  9:54   ` Christoph Hellwig
2022-03-03  1:29   ` Bart Van Assche
2022-03-04  9:32   ` Johannes Thumshirn
2022-03-02  5:35 ` [PATCH 12/14] scsi: sd: sd_read_cpr() requires VPD pages Martin K. Petersen
2022-03-02  9:54   ` Christoph Hellwig
2022-03-02 10:45   ` Damien Le Moal
2022-04-06  1:29     ` Damien Le Moal
2022-04-07  2:19       ` Martin K. Petersen
2022-04-07  2:36         ` Damien Le Moal
2022-04-07  2:48           ` Martin K. Petersen
2022-03-03 20:13   ` Bart Van Assche
2022-03-04  9:33   ` Johannes Thumshirn
2022-03-02  5:35 ` [PATCH 13/14] scsi: sd: Reorganize DIF/DIX code to avoid calling revalidate twice Martin K. Petersen
2022-03-02  9:57   ` Christoph Hellwig
2022-03-04  9:36   ` Johannes Thumshirn
2022-03-02  5:35 ` [PATCH 14/14] scsi: sd: Enable modern protocol features on more devices Martin K. Petersen
2022-03-02  9:58   ` Christoph Hellwig
2022-03-03  1:25   ` Bart Van Assche
2022-03-04  9:38   ` Johannes Thumshirn
2022-03-03  6:09 ` SCSI discovery update Douglas Gilbert
2022-03-04  3:26   ` Martin K. Petersen

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