On Tue, Jul 10, 2018 at 10:58 PM, Sreekanth Reddy
wrote:
> On Mon, Jul 9, 2018 at 5:14 PM, Sreekanth Reddy
> wrote:
>> On Thu, Jun 28, 2018 at 10:56 AM, Sreekanth Reddy
>> wrote:
>>> On Thu, Jun 28, 2018 at 3:48 AM, Bart Van Assche
>>> wrote:
On 06/24/18 23:10, Sreekanth Reddy wrote:
On Mon, Jul 9, 2018 at 5:14 PM, Sreekanth Reddy
wrote:
> On Thu, Jun 28, 2018 at 10:56 AM, Sreekanth Reddy
> wrote:
>> On Thu, Jun 28, 2018 at 3:48 AM, Bart Van Assche
>> wrote:
>>> On 06/24/18 23:10, Sreekanth Reddy wrote:
Before calling scsi_internal_device_block_nowait() API;
On Thu, Jun 28, 2018 at 10:56 AM, Sreekanth Reddy
wrote:
> On Thu, Jun 28, 2018 at 3:48 AM, Bart Van Assche
> wrote:
>> On 06/24/18 23:10, Sreekanth Reddy wrote:
>>>
>>> Before calling scsi_internal_device_block_nowait() API; driver sets
>>> sas_device_priv_data->block flag as one. And in the
On Thu, Jun 28, 2018 at 3:48 AM, Bart Van Assche wrote:
> On 06/24/18 23:10, Sreekanth Reddy wrote:
>>
>> Before calling scsi_internal_device_block_nowait() API; driver sets
>> sas_device_priv_data->block flag as one. And in the scsih_qcmd()
>> driver checks for this flag as shown below and
On 06/24/18 23:10, Sreekanth Reddy wrote:
Before calling scsi_internal_device_block_nowait() API; driver sets
sas_device_priv_data->block flag as one. And in the scsih_qcmd()
driver checks for this flag as shown below and return the commands
with host busy status.
} else if
On Sat, Jun 23, 2018 at 2:56 AM, Bart Van Assche wrote:
> On 06/22/18 09:38, Sreekanth Reddy wrote:
>>
>> In driver's .resume() callback function, driver is doing IOC reset
>> operation. And as per your suggestion we tried using
>> scsi_internal_device_block_nowait() to block the all the devices
On 06/22/18 09:38, Sreekanth Reddy wrote:
In driver's .resume() callback function, driver is doing IOC reset
operation. And as per your suggestion we tried using
scsi_internal_device_block_nowait() to block the all the devices
attached to the HBA before going for IOC reset operation. During
On Fri, Jun 22, 2018 at 8:22 PM, Bart Van Assche wrote:
> On 06/21/18 22:35, Sreekanth Reddy wrote:
>>
>> No, lock_system_sleep() is not inserted in the interrupt context. we
>> have inserted it in .resume() call back function just before issuing
>> the IOC reset.
>
>
> That's the wrong place to
On 06/21/18 22:35, Sreekanth Reddy wrote:
No, lock_system_sleep() is not inserted in the interrupt context. we
have inserted it in .resume() call back function just before issuing
the IOC reset.
That's the wrong place to insert a lock_system_sleep() call. Please have
a look at
On Thu, Jun 21, 2018 at 7:49 PM, Bart Van Assche wrote:
> On Thu, 2018-06-21 at 15:41 +0530, Sreekanth Reddy wrote:
>> Bart, we tried using lock_system_sleep() before calling IOC reset
>> operation in .resume() callback function and unlock_system_sleep()
>> after the IOC reset. With this code
On Thu, 2018-06-21 at 15:41 +0530, Sreekanth Reddy wrote:
> Bart, we tried using lock_system_sleep() before calling IOC reset
> operation in .resume() callback function and unlock_system_sleep()
> after the IOC reset. With this code change we see system is going to
> hang state during hibernation
On Wed, Jun 20, 2018 at 11:43 PM, Bart Van Assche
wrote:
> On Wed, 2018-06-20 at 09:18 +0530, Chaitra Basappa wrote:
>> We have tried with calling scsi_internal_device_block_nowait() API before
>> doing IOC reset (i.e. host reset) and called
>> scsi_internal_device_unblock_nowait() after
On Wed, 2018-06-20 at 09:18 +0530, Chaitra Basappa wrote:
> We have tried with calling scsi_internal_device_block_nowait() API before
> doing IOC reset (i.e. host reset) and called
> scsi_internal_device_unblock_nowait() after performing IOC reset.
> We have tested this code change with various
On Thu, 2018-06-14 at 06:25 -0400, Chaitra P B wrote:
> As a part of host reset operation, driver will flushout all IOs
> outstanding at driver level with "DID_RESET" result.
> To find which are all commands outstanding at the driver level,
> driver loops with smid starting from one to HBA queue
Below kernel BUG was observed while running IOs with host reset
(issued from application),
mpt3sas_cm0: diag reset: SUCCESS
[ cut here ]
WARNING: CPU: 12 PID: 4336 at drivers/scsi/mpt3sas/mpt3sas_base.c:3282
mpt3sas_base_clear_st+0x3d/0x40 [mpt3sas]
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