From: hch@lst.de (Christoph Hellwig)
Subject: [PATCH 8/9] nvme: remove dead controllers from a work item
Date: Thu, 22 Oct 2015 20:12:40 +0200 [thread overview]
Message-ID: <20151022181240.GA22482@lst.de> (raw)
In-Reply-To: <20151022181014.GE21840@localhost.localdomain>
On Thu, Oct 22, 2015@06:10:15PM +0000, Busch, Keith wrote:
> On Thu, Oct 22, 2015@02:03:40PM +0200, Christoph Hellwig wrote:
> > Compared to the kthread this gives us multiple call prevention for free.
>
> My apologies in advance, I usually try to be more helpful debugging
> new issues, but I'm running low on time today. I might be able to dig
> into this more tomorrow, but if you could, please verify what happens
> if an admin command times out during initialization. The reset_work
> gets queued twice on two different work_queues and causes trouble. I
> get one of several crashes or warnings after applying the whole series,
> but this is the most frequent I'm seeing so far:
Oops - I'm queing it both on the system workqueue and nvme_workq, which
is clearly broken. I'll fix it in the next resend.
next prev parent reply other threads:[~2015-10-22 18:12 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-22 12:03 nvme abort and reset fixes Christoph Hellwig
2015-10-22 12:03 ` [PATCH 1/9] nvme: only add a controller to dev_list after it's been fully initialized Christoph Hellwig
2015-10-22 12:03 ` [PATCH 2/9] nvme: don't take the I/O queue q_lock in nvme_timeout Christoph Hellwig
2015-10-22 12:03 ` [PATCH 3/9] nvme: merge nvme_abort_req and nvme_timeout Christoph Hellwig
2015-10-22 12:03 ` [PATCH 4/9] nvme: do not restart the request timeout if we're resetting the controller Christoph Hellwig
2015-10-22 16:27 ` Busch, Keith
2015-10-22 16:30 ` Christoph Hellwig
2015-10-22 17:15 ` Busch, Keith
2015-10-22 18:17 ` Christoph Hellwig
2015-10-22 12:03 ` [PATCH 5/9] nvme: simplify resets Christoph Hellwig
2015-10-22 12:03 ` [PATCH 6/9] nvme: abort requests on the reqeueue list when shutting down a controller Christoph Hellwig
2015-10-22 14:44 ` Busch, Keith
2015-10-22 14:58 ` Christoph Hellwig
2015-10-22 15:16 ` Busch, Keith
2015-10-22 16:27 ` Christoph Hellwig
2015-10-22 12:03 ` [PATCH 7/9] nvme: merge probe_work and reset_work Christoph Hellwig
2015-10-22 12:03 ` [PATCH 8/9] nvme: remove dead controllers from a work item Christoph Hellwig
2015-10-22 18:10 ` Busch, Keith
2015-10-22 18:12 ` Christoph Hellwig [this message]
2015-10-22 20:36 ` Busch, Keith
2015-10-23 5:57 ` Christoph Hellwig
2015-10-23 14:51 ` Busch, Keith
2015-10-23 19:31 ` Busch, Keith
2015-10-22 12:03 ` [PATCH 9/9] nvme: switch abort_limit to an atomic_t Christoph Hellwig
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