| To: | "J. Bruce Fields" <bfields@xxxxxxxxxxxx> |
|---|---|
| Subject: | Re: panic on 4.20 server exporting xfs filesystem |
| From: | Christoph Hellwig <hch@xxxxxx> |
| Date: | Thu, 19 Mar 2015 18:27:31 +0100 |
| Cc: | Dave Chinner <david@xxxxxxxxxxxxx>, Eric Sandeen <sandeen@xxxxxxxxxxx>, linux-nfs@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx |
| Delivered-to: | xfs@xxxxxxxxxxx |
| In-reply-to: | <20150306204715.GA27257@xxxxxxxxxxxx> |
| References: | <20150304224557.GY4251@dastard> <54F78BE5.1020608@xxxxxxxxxxx> <20150304225623.GZ4251@dastard> <20150305040849.GJ1627@xxxxxxxxxxxx> <20150305131731.GA16235@xxxxxx> <20150305150138.GA15674@xxxxxxxxxxxx> <20150305170217.GC15674@xxxxxxxxxxxx> <20150305204749.GA17934@xxxxxxxxxxxx> <20150305205922.GF18360@dastard> <20150306204715.GA27257@xxxxxxxxxxxx> |
| User-agent: | Mutt/1.5.17 (2007-11-01) |
FYI, I've now managed to reproduce the issue. I haven't had time to dig deeper, but it smells a lot like a callback path issue. Can you send the recursion fix to Linus ASAP and I'll send you a patch to turn the nopnfs option into a pnfs one, so we're at least doing fine for 4.0 in any case. I hope to debug this and may even have a real fix soon, but so far I don't know how long it will take. |
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