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Date: Tue, 29 May 2018 12:54:28 -0700
From: Omar Sandoval <osandov@osandov.com>
To: Keith Busch <keith.busch@linux.intel.com>
Cc: Yi Zhang <yi.zhang@redhat.com>, Keith Busch <keith.busch@intel.com>,
	Jens Axboe <axboe@kernel.dk>, linux-nvme@lists.infradead.org,
	Ming Lei <ming.lei@redhat.com>, linux-block@vger.kernel.org,
	Johannes Thumshirn <jthumshirn@suse.de>,
	Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH blktests] Fix block/011 to not use sysfs for device
 disabling
Message-ID: <20180529195428.GE23487@vader>
References: <20180518174247.31098-1-keith.busch@intel.com>
 <1352065975.3088816.1526884676038.JavaMail.zimbra@redhat.com>
 <20180521140821.GB5528@localhost.localdomain>
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On Mon, May 21, 2018 at 08:08:21AM -0600, Keith Busch wrote:
> On Mon, May 21, 2018 at 02:37:56AM -0400, Yi Zhang wrote:
> > Hi Keith
> > I tried this patch on my R730 Server, but it lead to system hang after setpci, could you help check it, thanks.
> > 
> > Console log:
> > storageqe-62 login: 
> > Kernel 4.17.0-rc5 on an x86_64
> > 
> > storageqe-62 login: [ 1058.118258] {1}[Hardware Error]: Hardware error from APEI Generic Hardware Error Source: 3
> > [ 1058.118261] {1}[Hardware Error]: event severity: fatal
> > [ 1058.118262] {1}[Hardware Error]:  Error 0, type: fatal
> > [ 1058.118265] {1}[Hardware Error]:   section_type: PCIe error
> > [ 1058.118266] {1}[Hardware Error]:   port_type: 0, PCIe end point
> > [ 1058.118267] {1}[Hardware Error]:   version: 1.16
> > [ 1058.118269] {1}[Hardware Error]:   command: 0x0400, status: 0x0010
> > [ 1058.118270] {1}[Hardware Error]:   device_id: 0000:85:00.0
> > [ 1058.118271] {1}[Hardware Error]:   slot: 0
> > [ 1058.118271] {1}[Hardware Error]:   secondary_bus: 0x00
> > [ 1058.118273] {1}[Hardware Error]:   vendor_id: 0x144d, device_id: 0xa821
> > [ 1058.118274] {1}[Hardware Error]:   class_code: 020801
> > [ 1058.118275] Kernel panic - not syncing: Fatal hardware error!
> > [ 1058.118301] Kernel Offset: 0x14800000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
> 
> Thanks for the notice. The test may be going to far with the config
> registers it's touching. Let me see if we just do the BME bit as Ming
> suggested fixes this.

What's the plan for this test? Do you have a v2 coming?