From: Pavel Ivanov <paivanof@gmail.com>
To: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Full lockup when compiling kernel with "optimal" number of threads
Date: Wed, 5 Oct 2011 17:43:22 -0400 [thread overview]
Message-ID: <CAG1a4rvYX9P+vHTLQBV_edViU8QriT=mrut0c5oS5YZ96L3x=A@mail.gmail.com> (raw)
In-Reply-To: <4E8982E3.9080809@linux.vnet.ibm.com>
On Mon, Oct 3, 2011 at 5:39 AM, Srivatsa S. Bhat
<srivatsa.bhat@linux.vnet.ibm.com> wrote:
> On 09/03/2011 09:04 AM, Pavel Ivanov wrote:
>> Hi,
>>
>> I can reliably reproduce a complete machine lockup when compiling
>> kernel sources with "make -j". After making some progress machine
>> stops responding to anything (including CapsLock/NumLock switching or
>> mouse moving) and after hard reboot nothing is left in kern.log or
>> syslog. Only attaching a serial console gives me the following clues
>> to what happens:
>>
> By the way "optimal" is supposed to be make -j <nr_cpus*2> isn't it?
> IIRC, "maximal" refers to make -j
I'm sure I didn't make up that word "optimal" by myself. I took it
from some documentation or internet, although now I can't find where I
took it from. Wherever I look it says that -j is "unbounded" number of
threads.
Pavel
next prev parent reply other threads:[~2011-10-05 21:43 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-03 3:34 Full lockup when compiling kernel with "optimal" number of threads Pavel Ivanov
2011-09-30 4:10 ` Pavel Ivanov
2011-10-03 9:38 ` Srivatsa S. Bhat
2011-10-05 21:51 ` Pavel Ivanov
2011-10-03 9:39 ` Srivatsa S. Bhat
2011-10-05 21:43 ` Pavel Ivanov [this message]
2011-10-06 6:52 ` Srivatsa S. Bhat
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='CAG1a4rvYX9P+vHTLQBV_edViU8QriT=mrut0c5oS5YZ96L3x=A@mail.gmail.com' \
--to=paivanof@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=srivatsa.bhat@linux.vnet.ibm.com \
/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.