RE: A qla2xxx commit cause Linux no response, has not fixed in lastest version 4.15-rc6

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Hi Himanshu,
  The issue is: When insmod the qla2xxx.ko from 4.15-rc6, linux hang.
  I have git bisect the commits. 
  The issue was introduced in commit: 726b85487067d7f5b23495bc33c484b8517c4074 qla2xxx: Add framework for async fabric discovery.
  The previous commit is good: 5d964837c6a743193c63c8912f98834c7457ba5c qla2xxx: Track I-T nexus as single fc_port struct .

Regards
Chang Limin

-----Original Message-----
From: Madhani, Himanshu [mailto:Himanshu.Madhani@xxxxxxxxxx] 
Sent: Tuesday, January 16, 2018 12:58 AM
To: Nicholas A. Bellinger
Cc: changlimin (Cloud); Tran, Quinn; jifuliang (Cloud); zhangguanghui (Cloud); zhangzijian (Cloud); target-devel; linux-scsi
Subject: Re: A qla2xxx commit cause Linux no response, has not fixed in lastest version 4.15-rc6

Hi Nic, Chang,

> On Jan 12, 2018, at 9:28 PM, Nicholas A. Bellinger <nab@xxxxxxxxxxxxxxx> wrote:
> 
> Hi Chang & Co,
> 
> (Adding list + Himanshu CC')
> 
> On Sun, 2018-01-07 at 10:21 +0000, Changlimin wrote:
>> Hi,
>> It seems the qla2xxx commit cause Linux no response, has not fixed in lastest version 4.15-rc6.
>> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.g
>> it/commit/?id=726b85487067d7f5b23495bc33c484b8517c4074
>> 
> 
> Thanks for reporting + including debug log.  :)
> 
>> lspci:
>> 0a:00.0 Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel 
>> to PCI Express HBA (rev 02)
>> 0a:00.1 Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel 
>> to PCI Express HBA (rev 02)
>> 
>> syslog:
>> qla2xxx [0000:00:00.0]-0005: : QLogic Fibre Channel HBA Driver: 8.07.00.38-k.
>> qla2xxx [0000:0a:00.0]-001a: : MSI-X vector count: 32.
>> qla2xxx [0000:0a:00.0]-001d: : Found an ISP2532 irq 16 iobase 0xffffb0d5cc501000.
>> qla2xxx [0000:0a:00.0]-00c6:1: MSI-X: Failed to enable support with 32 vectors, using 26 vectors.
>> scsi host1: qla2xxx
>> qla2xxx [0000:0a:00.0]-00fb:1: QLogic HPAJ764A - HP 8Gb Dual Channel PCI-e 2.0 FC HBA.
>> qla2xxx [0000:0a:00.0]-00fc:1: ISP2532: PCIe (5.0GT/s x8) @ 0000:0a:00.0 hdma+ host#=1 fw=8.03.00 (90d5).
>> qla2xxx [0000:0a:00.1]-001a: : MSI-X vector count: 32.
>> qla2xxx [0000:0a:00.1]-001d: : Found an ISP2532 irq 17 iobase 0xffffb0d5cc5d9000.
>> qla2xxx [0000:0a:00.1]-00c6:2: MSI-X: Failed to enable support with 32 vectors, using 26 vectors.
>> scsi host2: qla2xxx
>> qla2xxx [0000:0a:00.1]-00fb:2: QLogic HPAJ764A - HP 8Gb Dual Channel PCI-e 2.0 FC HBA.
>> qla2xxx [0000:0a:00.1]-00fc:2: ISP2532: PCIe (5.0GT/s x8) @ 0000:0a:00.1 hdma+ host#=2 fw=8.03.00 (90d5).
>> qla2xxx [0000:0a:00.0]-500a:1: LOOP UP detected (8 Gbps).
>> qla2xxx [0000:0a:00.1]-500a:2: LOOP UP detected (8 Gbps).
>> 
>> The attached file is the module log.
>> 
>> Do you have any advice?
> 
> Quinn & Himanshu folks, any comments..?
> 

What is the issue here? I am not clear form the snippet above.

One thing I noticed that, if you are using 4.15-rc6 driver version should be 10.00.00.02-k but the snippet shows 8.07.00.38-k which tells me you might 

Thanks,
- Himanshu

Attachment: qla2xxx-full.log.gz
Description: qla2xxx-full.log.gz


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