From: "J. Bruce Fields" <bfields@fieldses.org>
To: Jason L Tibbitts III <tibbs@math.uh.edu>
Cc: linux-nfs@vger.kernel.org, km@cm4all.com, linux-kernel@vger.kernel.org
Subject: Re: Regression in 5.1.20: Reading long directory fails
Date: Wed, 28 Aug 2019 14:33:54 -0400 [thread overview]
Message-ID: <20190828183354.GD29148@fieldses.org> (raw)
In-Reply-To: <ufay2zduosz.fsf@epithumia.math.uh.edu>
On Wed, Aug 28, 2019 at 01:29:00PM -0500, Jason L Tibbitts III wrote:
> If I had any idea how to do that, I happily would. I'm certainly
> willing to learn. At least I can run strace to see where ls bombs:
Somewhat of a caveman, I might start at the code for getdents, sprinkle
printk's around until I get down to the relevant code in the NFS
layer.... There's probably a better way to do it with tracing.
> getdents64(5, 0x7fc13afaf040, 262144) = -1 EIO (Input/output error)
>
> bcodding on IRC mentioned that is a rather large count. Does make me
> wonder if the server is weirding out and sending the client bogus data.
> Certainly a server reboot, or maybe even just unmounting and remounting
> the filesystem or copying the data to another filesystem would tell me
> that. In any case, as soon as I am able to mess with that server, I'll
> know more.
Might also be worth capturing the network traffic and checking whether
wireshark thinks the server replies are valid xdr.
--b.
next prev parent reply other threads:[~2019-08-28 18:33 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-13 15:08 Regression in 5.1.20: Reading long directory fails Jason L Tibbitts III
2019-08-13 17:00 ` Jason L Tibbitts III
2019-08-22 19:39 ` Jason L Tibbitts III
2019-08-28 17:46 ` J. Bruce Fields
2019-08-28 18:29 ` Jason L Tibbitts III
2019-08-28 18:33 ` J. Bruce Fields [this message]
2019-09-03 15:49 ` Jason L Tibbitts III
2019-09-03 18:02 ` Wolfgang Walter
2019-09-03 19:06 ` Jason L Tibbitts III
2019-09-03 19:08 ` Chuck Lever
2019-09-03 21:37 ` Wolfgang Walter
2019-09-04 1:50 ` Jason L Tibbitts III
2019-09-06 14:48 ` J. Bruce Fields
2019-09-06 20:47 ` Jason L Tibbitts III
2019-09-06 20:50 ` Chuck Lever
2019-09-08 11:39 ` Benjamin Coddington
2019-09-08 15:19 ` Trond Myklebust
2019-09-08 15:48 ` Chuck Lever
2019-09-08 16:47 ` Trond Myklebust
2019-09-08 16:51 ` Chuck Lever
2019-09-11 16:25 ` Benjamin Coddington
2019-09-11 16:39 ` Chuck Lever
2019-09-11 17:26 ` Benjamin Coddington
2019-09-11 17:27 ` Benjamin Coddington
2019-09-11 17:29 ` Chuck Lever
2019-09-11 17:40 ` Benjamin Coddington
2019-09-11 17:43 ` Chuck Lever
2019-09-11 17:59 ` Benjamin Coddington
2019-09-11 17:50 ` Benjamin Coddington
2019-09-11 17:54 ` Chuck Lever
2019-09-12 12:29 ` Benjamin Coddington
2019-09-12 12:53 ` Trond Myklebust
2019-09-12 13:08 ` Benjamin Coddington
2019-09-12 13:13 ` J. Bruce Fields
2019-09-12 13:25 ` Trond Myklebust
2019-09-12 13:35 ` Benjamin Coddington
2019-09-12 13:14 ` Trond Myklebust
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