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From: Hannes Reinecke <hare@suse.de>
To: Don.Brace@microchip.com, martin.petersen@oracle.com
Cc: hch@lst.de, james.bottomley@hansenpartnership.com,
	john.garry@huawei.com, ming.lei@redhat.com, bvanassche@acm.org,
	linux-scsi@vger.kernel.org
Subject: Re: [PATCH RFC v3 00/41] scsi: enable reserved commands for LLDDs
Date: Fri, 5 Jun 2020 18:50:07 +0200	[thread overview]
Message-ID: <1331858c-6111-aab3-ad6e-16e27661a35c@suse.de> (raw)
In-Reply-To: <SN6PR11MB2848512EB578D01F981F8705E1860@SN6PR11MB2848.namprd11.prod.outlook.com>

On 6/5/20 5:32 PM, Don.Brace@microchip.com wrote:
> 
> git://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git reserved-tags.v3
> 
> As usual, comments and reviews are welcome.
> 
> I cloned your tree and ran some tests using hpsa.
> 
> I used 3 SATA HBA disks, 3 SAS HBA disks, 2 LOGICAL VOLUMES using HDDs, and 2 LOGICAL VOLUMES using SDDs for ioaccel path.
> 
> I have an IO stress test that does mkfs, mount/umount, fio, and fsck to the above volumes while doing sg_reset opeations in parallel.
> 
> The stress test has survived 2 full days of testing.
> 
> However, my insmod/rmmod test causes a kernel panic.
> 
> Not sure why yet. I had re-cloned yesterday an d the panic is still there.
> 
> Earlier kernel versions do not panic on rmmod.
> 
> --
> 2.16.4
> 
Ah, right. Of course.

Should be fixed with this patch:\

diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index fdc291c47b9b..87469908524c 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -1885,9 +1885,9 @@ void scsi_forget_host(struct Scsi_Host *shost)
                 goto restart;
         }
         /* Remove virtual device last, might be needed to send commands */
+       spin_unlock_irqrestore(shost->host_lock, flags);
         if (virtual_sdev)
                 __scsi_remove_device(virtual_sdev);
-       spin_unlock_irqrestore(shost->host_lock, flags);
  }

  /**

Can you test with that?

Cheers,

Hannes
-- 
Dr. Hannes Reinecke            Teamlead Storage & Networking
hare@suse.de                               +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer

  reply	other threads:[~2020-06-05 16:50 UTC|newest]

Thread overview: 102+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-30 13:18 [PATCH RFC v3 00/41] scsi: enable reserved commands for LLDDs Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 01/41] scsi: add 'nr_reserved_cmds' field to the SCSI host template Hannes Reinecke
2020-04-30 14:15   ` John Garry
2020-04-30 14:48     ` Hannes Reinecke
2020-05-01  4:36   ` Bart Van Assche
2020-05-01 17:48   ` Christoph Hellwig
2020-05-04  6:13     ` Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 02/41] scsi: add scsi_{get,put}_reserved_cmd() Hannes Reinecke
2020-04-30 17:11   ` Douglas Gilbert
2020-05-01 15:42     ` Hannes Reinecke
2020-05-01  4:35   ` Bart Van Assche
2020-05-01 12:01   ` John Garry
2020-05-02 12:24     ` Hannes Reinecke
2020-05-01 17:39   ` Christoph Hellwig
2020-05-02  8:45     ` Hannes Reinecke
2020-05-02  8:48       ` Christoph Hellwig
2020-04-30 13:18 ` [PATCH RFC v3 03/41] scsi: Implement scsi_cmd_is_reserved() Hannes Reinecke
2020-05-01  4:38   ` Bart Van Assche
2020-05-01 17:43   ` Christoph Hellwig
2020-05-02  8:46     ` Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 04/41] csiostor: use reserved command for LUN reset Hannes Reinecke
2020-04-30 15:15   ` Ming Lei
2020-05-01 13:01     ` Hannes Reinecke
2020-05-01 15:01       ` Ming Lei
2020-05-01 17:45         ` Christoph Hellwig
2020-05-02  3:11           ` Ming Lei
2020-05-04  6:43             ` Hannes Reinecke
2020-05-02  8:49           ` Hannes Reinecke
2020-05-02 14:29             ` Ming Lei
2020-05-04  6:55               ` Hannes Reinecke
2020-05-04  8:47                 ` Ming Lei
2020-05-04 10:24                   ` Hannes Reinecke
2020-05-04 10:49                     ` Ming Lei
2020-05-02 16:10             ` Bart Van Assche
2020-05-04  7:02               ` Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 05/41] scsi: add scsi_cmd_from_priv() Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 06/41] virtio_scsi: use reserved commands for TMF Hannes Reinecke
2020-04-30 15:17   ` Ming Lei
2020-05-04  9:25   ` Ming Lei
2020-05-04 10:21     ` Hannes Reinecke
2020-05-04 10:35       ` Ming Lei
2020-04-30 13:18 ` [PATCH RFC v3 07/41] fnic: use reserved commands Hannes Reinecke
2020-04-30 15:24   ` Ming Lei
2020-04-30 13:18 ` [PATCH RFC v3 08/41] fnic: use scsi_host_busy_iter() to traverse commands Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 09/41] scsi: use real inquiry data when initialising devices Hannes Reinecke
2020-05-01 17:49   ` Christoph Hellwig
2020-05-04  6:26     ` Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 10/41] scsi: make host device a first-class citizen Hannes Reinecke
2020-05-01  4:49   ` Bart Van Assche
2020-04-30 13:18 ` [PATCH RFC v3 11/41] hpsa: move hpsa_hba_inquiry after scsi_add_host() Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 12/41] hpsa: use reserved commands Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 13/41] hpsa: use scsi_host_busy_iter() to traverse outstanding commands Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 14/41] hpsa: drop refcount field from CommandList Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 15/41] aacraid: use private commands Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 16/41] aacraid: use scsi_host_busy_iter() to traverse commands Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 17/41] megaraid_sas: kill this_id and init_id Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 18/41] megaraid_sas: use shost_priv() Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 19/41] megaraid_sas: avoid using megaraid_lookup_instance() Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 20/41] megaraid_sas: separate out megasas_set_max_sectors() Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 21/41] megaraid_sas: megaraid_sas: reshuffle SCSI host allocation Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 22/41] block: implement persistent commands Hannes Reinecke
2020-05-01  4:59   ` Bart Van Assche
2020-05-02 12:11     ` Hannes Reinecke
2020-05-02 16:22       ` Bart Van Assche
2020-05-01  8:33   ` Ming Lei
2020-05-02 12:22     ` Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 23/41] scsi: add a 'persistent' argument to scsi_get_reserved_cmd() Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 24/41] megaraid_sas: separate out megasas_prepare_aen() Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 25/41] megaraid_sas: use reserved commands Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 26/41] megaraid_sas_fusion: rearrange mfi and mpt frame pools Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 27/41] megaraid_sas_fusion: sanitize command lookup Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 28/41] megaraid_sas: use scsi_host_busy_iter to traverse outstanding commands Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 29/41] snic: use reserved commands Hannes Reinecke
2020-05-02  3:19   ` Ming Lei
2020-05-04  6:45     ` Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 30/41] snic: use tagset iter for traversing commands Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 31/41] mv_sas: kill mvsas_debug_issue_ssp_tmf() Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 32/41] pm8001: kill pm8001_issue_ssp_tmf() Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 33/41] pm8001: kill 'dev' argument from pm8001_exec_internal_task_abort() Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 34/41] pm8001: use libsas-provided domain devices for SATA Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 35/41] libsas: add SCSI target pointer to struct domain_device Hannes Reinecke
2020-04-30 13:18 ` [PATCH RFC v3 36/41] scsi: libsas,hisi_sas,mvsas,pm8001: Allocate Scsi_cmd for slow task Hannes Reinecke
2020-05-01 10:53   ` John Garry
2020-04-30 13:19 ` [PATCH RFC v3 37/41] libsas: add tag to struct sas_task Hannes Reinecke
2020-05-01 10:26   ` John Garry
2020-05-02 12:42     ` Hannes Reinecke
2020-05-04  7:49       ` John Garry
2020-05-04  8:00         ` Hannes Reinecke
2020-05-05  8:38           ` John Garry
2020-04-30 13:19 ` [PATCH RFC v3 38/41] scsi: hisi_sas: Use libsas slow task SCSI command Hannes Reinecke
2020-04-30 13:19 ` [PATCH RFC v3 39/41] hisi_sas: use task tag to reference the slot Hannes Reinecke
2020-04-30 13:19 ` [PATCH RFC v3 40/41] mv_sas: use reserved tags and drop private tag allocation Hannes Reinecke
2020-04-30 13:19 ` [PATCH RFC v3 41/41] pm8001: use block-layer tags for ccb allocation Hannes Reinecke
2020-05-01 10:47   ` John Garry
2020-05-01 12:01 ` [PATCH RFC v3 00/41] scsi: enable reserved commands for LLDDs John Garry
2020-05-02 12:23   ` Hannes Reinecke
2020-05-01 17:46 ` Christoph Hellwig
2020-05-04  6:16   ` Hannes Reinecke
2020-06-05 15:32 ` Don.Brace
2020-06-05 16:50   ` Hannes Reinecke [this message]
2020-06-05 17:01     ` Don.Brace
2020-06-08 21:56     ` Don.Brace

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