softdep_move_dependencies panic

[Leubner, Achim]

Hi Jeff,

I'm currently on business trip. I'll send the stack trace next Monday.

Thanks,
Achim

-----Original Message-----
From: Jeff Roberson [mailto:jroberson at jroberson.net] 
Sent: Thursday, May 07, 2009 3:20 PM
To: Leubner, Achim
Cc: Ed Maste; Scott Long; current at freebsd.org; Sridaran, Gana
Subject: Re: softdep_move_dependencies panic

On Wed, 6 May 2009, Leubner, Achim wrote:

> Hi Ed, Hi Scott,
>
> We run into a problem if a RAID array goes into an "error" state and is marked "offline". The new aac driver removes the device in this case with device_delete_child() and all commands to that device will be answered using biodone() with flag BIO_ERROR and error EINVAL. But this causes a "softdep_move_dependencies: need merge code" panic in the filesystem. Is there any possibility to avoid this panic? We see it under FreeBSD 7.1 too.
> Any help is greatly appreciated.

Hi Achim,

Can you post the entire stack trace from the panic?

Thanks,
Jeff

>
> Thanks & Regards,
> Achim
>
>
> ===========================
>
> Achim Leubner
>
> Software Engineer / RAID drivers
>
> ICP vortex GmbH / Adaptec Inc.
>
> Phone: +49-351-8718291
>
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