# Re: \[next-20210827\]\[ppc\]\[multipathd\] INFO: task hung in dm\_table\_add\_target

- From: Abdul Haleem \<hidden\>
- Date: 2021-09-28 10:26:14 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2021/09/1524319
- Thread: https://ratatoskr.run/linux-scsi/2021/09/1494313/t.md

```text

On 9/1/21 7:06 PM, Christoph Hellwig wrote:
> On Wed, Sep 01, 2021 at 04:47:26PM +0530, Abdul Haleem wrote:
>> Greeting's
>>
>> multiple task hung while adding the vfc disk back to the multipath on my
>> powerpc box running linux-next kernel
> Can you retry to reproduce this with lockdep enabled to see if there
> is anything interesting holding this lock?

LOCKDEP was earlier enabled by default

# cat .config | grep LOCKDEP
CONFIG_LOCKDEP_SUPPORT=y

BTW, Recreated again on 5.15.0-rc2 mainline kernel and attaching the logs

-- 
Regard's

Abdul Haleem
IBM Linux Technology Center

```

## Attachments

- [hungtasklogs.txt](https://ratatoskr.run/linuxppc-dev/2021/09/1524319/attachment/0) (text/plain, 26095 bytes)