Re: [PATCH] ipr: System hung while dlpar adding primary ipr adapter back

2018-09-21 Thread Brian King
On 09/20/2018 07:32 PM, wenxi...@linux.vnet.ibm.com wrote: > + > + list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { > + if (res->add_to_ml) { > + bus = res->bus; > + target = res->target; > + lun = res->lun; > +

[PATCH] ipr: System hung while dlpar adding primary ipr adapter back

2018-09-20 Thread wenxiong
From: Wen Xiong While dlpar adding primary ipr adapter back, driver goes through adapter initilization then schedule ipr_worker_thread to start te disk scan by dropping the host lock, calling scsi_add_device. Then get the adapter reset request again, so driver does scsi_block_requests, this will