From: Oliver Neukum <oneukum@suse.com>
To: Enrico Mioso <mrkiko.rs@gmail.com>
Cc: linux-usb@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH V2] cdc_ncm: Add support for moving NDP to end of NCM frame
Date: Mon, 06 Jul 2015 12:08:16 +0200 [thread overview]
Message-ID: <1436177296.8225.25.camel@suse.com> (raw)
In-Reply-To: <alpine.LNX.2.20.1507051219280.12595@archiso.lan>
On Sun, 2015-07-05 at 12:21 +0200, Enrico Mioso wrote:
> When sending lots of small packets, this patch will generate an "Unable to
> handle kernel paging request" in the memset call:
> ndp16 = memset(ctx->delayed_ndp16, 0, ctx->max_ndp_size);
> And I don't know why.
> Any comment or suggestion would be greatly apreciated.
> This has been reproduced in a QEMU X86 VM, from kernel 4.0.4 to current git.
I cannot see how this can fail and the preceding copy work.
Can you post the full message?
Regards
Oliver
next prev parent reply other threads:[~2015-07-06 10:09 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-01 21:55 [PATCH V2] cdc_ncm: Add support for moving NDP to end of NCM frame Enrico Mioso
[not found] ` <1435787748-30393-1-git-send-email-mrkiko.rs-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-07-05 10:21 ` Enrico Mioso
2015-07-06 10:08 ` Oliver Neukum [this message]
[not found] ` <1436177296.8225.25.camel-IBi9RG/b67k@public.gmane.org>
2015-07-06 11:53 ` Enrico Mioso
2015-07-06 11:56 ` Enrico Mioso
2015-07-07 20:50 ` Enrico Mioso
2015-07-08 7:54 ` Enrico Mioso
2015-07-08 11:15 ` Enrico Mioso
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