From: "Christopher S. Aker" <caker@theshore.net>
To: Lukas Hejtmanek <xhejtman@ics.muni.cz>
Cc: xen-devel@lists.xensource.com
Subject: Re: SWIOTLB allocation failed
Date: Tue, 04 Dec 2007 09:53:53 -0500 [thread overview]
Message-ID: <47556A01.6000503@theshore.net> (raw)
In-Reply-To: <20071204142643.GC8704@ics.muni.cz>
Lukas Hejtmanek wrote:
> On Tue, Nov 27, 2007 at 07:33:40PM +0530, pradeep singh rautela wrote:
>> Did you try using swiotlb=XYZ to solve your problem? XYZ is the amount
>> of the memory for swiotlb.
>> Did you get the same crash?
>
> I noticed that using swiotlb=30000000 probably does not work at all as I got
> the following:
That would attempt to assign 30 million 128k pages, or roughly 3.5 TB of
memory towards the bounce buffer. I don't think you want that.
swiotlb defaults to 32 or 64 (I forget) -- try bumping it to 128 or 256.
-Chris
next prev parent reply other threads:[~2007-12-04 14:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-27 13:53 SWIOTLB allocation failed Lukas Hejtmanek
2007-11-27 14:03 ` pradeep singh rautela
2007-11-27 23:34 ` Lukas Hejtmanek
2007-12-04 14:26 ` Lukas Hejtmanek
2007-12-04 14:53 ` Christopher S. Aker [this message]
2007-12-04 15:00 ` Lukas Hejtmanek
2007-11-28 3:32 ` Keir Fraser
2007-11-28 9:47 ` Lukas Hejtmanek
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=47556A01.6000503@theshore.net \
--to=caker@theshore.net \
--cc=xen-devel@lists.xensource.com \
--cc=xhejtman@ics.muni.cz \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.