Re: wait_for_more_refs not waking up

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 08/06/2012 10:10 PM, Chris Mason wrote:
> On Fri, Aug 03, 2012 at 01:11:31AM -0600, Alexander Block wrote:
>> I got a deadlock happening while creating a snapshot and ordered
>> writes are pending. I can reproduce it 100% using btrfs send/receive.
>> It happens when I receive a set of streams on a freshly created FS. I
>> think I can exclude send/receive as the source of the problem as it
>> happens while receiving, even when rebooting between send and receive.
>> Receive does not depend on any extra kernel support and only uses
>> normal vfs syscalls.
> 
> Are you seeing this one on the git tree I sent to Linus?  I triggered
> this once and then haven't seen it since I put in the barrier before the
> waitqueue active check.

I'll send a patch for this in a moment.

> 
> -chris
> --
> To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> 

--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Filesystem Development]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux