Re: [PATCH v2] ata: do not schedule hot plug if it is a sas host

2018-03-01 Thread Tejun Heo
On Wed, Feb 28, 2018 at 09:11:10AM +0800, Jason Yan wrote: > We've got a kernel panic when using sata disk with sas controller: > > [115946.152283] Unable to handle kernel NULL pointer dereference at virtual > address 07d8 > [115946.223963] CPU: 0 PID: 22175 Comm: kworker/0:1 Tainted: G W O

[PATCH v2] ata: do not schedule hot plug if it is a sas host

2018-02-27 Thread Jason Yan
We've got a kernel panic when using sata disk with sas controller: [115946.152283] Unable to handle kernel NULL pointer dereference at virtual address 07d8 [115946.223963] CPU: 0 PID: 22175 Comm: kworker/0:1 Tainted: G W OEL 4.14.0 #1 [115946.232925] Workqueue: events ata_scsi_hotplug [11