The cxlflash driver uses "Asynchronous SCSI scanning" enabled by
CONFIG_SCSI_SCAN_ASYNC. Without this enabled the modprobe of cxlflash
module gets hung with following backtrace:
Call Trace:
__switch_to+0x2cc/0x470
__schedule+0x288/0xab0
schedule+0x40/0xc0
schedule_timeout+0x254/0x4f0
wait_for
Vaibhav Jain writes:
> The cxlflash driver uses "Asynchronous SCSI scanning" enabled by
> CONFIG_SCSI_SCAN_ASYNC. Without this enabled the modprobe of cxlflash
> module gets hung with following backtrace:
>
> Call Trace:
> __switch_to+0x2cc/0x470
> __schedule+0x288/0xab0
> schedule+0x40/0xc0
>
On Tue, Feb 20, 2018 at 07:56:35PM +1100, Michael Ellerman wrote:
> Vaibhav Jain writes:
>
> > The cxlflash driver uses "Asynchronous SCSI scanning" enabled by
> > CONFIG_SCSI_SCAN_ASYNC. Without this enabled the modprobe of cxlflash
> > module gets hung with following backtrace:
> >
> > Call Tra
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