From: "Parag Warudkar" <parag.lkml-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Linus Torvalds
<torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
Cc: Adrian Bunk <bunk-HeJ8Db2Gnd6zQB+pC5nmwQ@public.gmane.org>,
Rusty Russell <rusty-8n+1lVoiYb80n/F98K4Iww@public.gmane.org>,
"Alan D. Brunelle" <Alan.Brunelle-VXdhtT5mjnY@public.gmane.org>,
"Rafael J. Wysocki" <rjw-KKrjLPT3xs0@public.gmane.org>,
Linux Kernel Mailing List
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Kernel Testers List
<kernel-testers-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
Arjan van de Ven <arjan-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
Ingo Molnar <mingo-X9Un+BFzKDI@public.gmane.org>,
linux-embedded-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [Bug #11342] Linux 2.6.27-rc3: kernel BUG at mm/vmalloc.c - bisected
Date: Tue, 26 Aug 2008 22:36:59 -0400 [thread overview]
Message-ID: <f7848160808261936m18c69dc0r26f41850efae4b91@mail.gmail.com> (raw)
In-Reply-To: <alpine.LFD.1.10.0808261837530.3363-nfNrOhbfy2R17+2ddN/4kux8cNe9sq/dYPYVAmT7z5s@public.gmane.org>
On Tue, Aug 26, 2008 at 9:49 PM, Linus Torvalds
<torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org> wrote:
>
>
> On Tue, 26 Aug 2008, Parag Warudkar wrote:
>>
>> And although you said in your later reply that Linux x86 with 4K
>> stacks should be more than usable - my experiences running a untainted
>> desktop/file server with 4K stack have been always disastrous XFS or
>> not. It _might_ work for some well defined workloads but you would
>> not want to risk 4K stacks otherwise.
>
> Umm. How long?
>
IIRC the last I tried 4K stacks with x86 was on 2.6.21 - Fedora 7
kernel, around June 07 time frame.
The oops included a ugly and long call trace that I still remember.
> And a lot of the cases of us
> having structures on the stack is actually not worth it, and tends to be
> about being lazy rather than anything else.
What about deep call chains? The problem with the uptake of 4K stacks
seems to be that is not reliably provable that it will work under all
circumstances.
Parag
next prev parent reply other threads:[~2008-08-27 2:36 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mzBsPw3QUOF.A.87F.wZGsIB@albercik>
[not found] ` <48B313E0.1000501@hp.com>
[not found] ` <alpine.LFD.1.10.0808251326500.3363@nehalem.linux-foundation.org>
[not found] ` <200808261111.19205.rusty@rustcorp.com.au>
[not found] ` <alpine.LFD.1.10.0808261019450.3363@nehalem.linux-foundation.org>
2008-08-26 18:30 ` [Bug #11342] Linux 2.6.27-rc3: kernel BUG at mm/vmalloc.c - bisected Adrian Bunk
[not found] ` <20080826183051.GB10925-re2QNgSbS3j4D6uPqz5PAwR5/fbUUdgG@public.gmane.org>
2008-08-26 18:40 ` Linus Torvalds
[not found] ` <alpine.LFD.1.10.0808261134530.3363-nfNrOhbfy2R17+2ddN/4kux8cNe9sq/dYPYVAmT7z5s@public.gmane.org>
2008-08-26 20:21 ` Adrian Bunk
2008-08-26 20:41 ` Linus Torvalds
2008-08-27 16:21 ` Jamie Lokier
2008-08-26 18:47 ` Linus Torvalds
2008-08-26 19:02 ` Jamie Lokier
[not found] ` <20080826190213.GA30255-yetKDKU6eevNLxjTenLetw@public.gmane.org>
2008-08-26 19:18 ` Linus Torvalds
[not found] ` <alpine.LFD.1.10.0808261144510.3363-nfNrOhbfy2R17+2ddN/4kux8cNe9sq/dYPYVAmT7z5s@public.gmane.org>
2008-08-26 20:59 ` Adrian Bunk
2008-08-26 21:04 ` Linus Torvalds
[not found] ` <alpine.LFD.1.10.0808261403360.3363-nfNrOhbfy2R17+2ddN/4kux8cNe9sq/dYPYVAmT7z5s@public.gmane.org>
2008-08-26 22:54 ` Parag Warudkar
[not found] ` <f7848160808261554j2f4eaaa6i1ee8801ae75ca7bf-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-08-26 23:00 ` David VomLehn
2008-08-26 23:45 ` Adrian Bunk
2008-08-26 23:47 ` Linus Torvalds
[not found] ` <alpine.LFD.1.10.0808261644260.3363-nfNrOhbfy2R17+2ddN/4kux8cNe9sq/dYPYVAmT7z5s@public.gmane.org>
2008-08-27 0:53 ` Greg Ungerer
2008-08-27 1:08 ` Parag Warudkar
2008-08-27 1:31 ` Greg Ungerer
[not found] ` <48B4AE68.4040205-XXXsiaCtIV5Wk0Htik3J/w@public.gmane.org>
2008-08-27 2:16 ` Parag Warudkar
2008-08-27 8:44 ` Bernd Petrovitsch
2008-08-27 0:58 ` Parag Warudkar
[not found] ` <f7848160808261758q7b84aab1m188c1ebb59304818-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-08-27 1:49 ` Linus Torvalds
[not found] ` <alpine.LFD.1.10.0808261837530.3363-nfNrOhbfy2R17+2ddN/4kux8cNe9sq/dYPYVAmT7z5s@public.gmane.org>
2008-08-27 2:36 ` Parag Warudkar [this message]
[not found] ` <f7848160808261936m18c69dc0r26f41850efae4b91-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-08-27 2:52 ` Linus Torvalds
2008-08-27 8:32 ` Alan Cox
2008-08-27 6:01 ` Paul Mackerras
[not found] ` <18612.60878.887716.452936-nUko2b1QN/1kfgV4h6NXRTJtLkR7yuzc@public.gmane.org>
2008-08-27 10:58 ` Arjan van de Ven
2008-08-27 15:18 ` Linus Torvalds
2008-08-27 11:58 ` Adrian Bunk
2008-08-27 9:00 ` Bernd Petrovitsch
[not found] ` <1219827609.30209.29.camel-7sPfb3biEqGJZy4MaDjwDw@public.gmane.org>
2008-08-27 12:56 ` Parag Warudkar
2008-08-27 13:17 ` Bernd Petrovitsch
[not found] ` <1219843032.30209.51.camel-7sPfb3biEqGJZy4MaDjwDw@public.gmane.org>
2008-08-27 15:48 ` Jamie Lokier
2008-08-27 16:38 ` Bernd Petrovitsch
[not found] ` <1219855121.30209.112.camel-7sPfb3biEqGJZy4MaDjwDw@public.gmane.org>
2008-08-27 17:51 ` Jamie Lokier
2008-08-27 19:30 ` Bernd Petrovitsch
2008-08-28 0:06 ` Greg Ungerer
[not found] ` <20080827154805.GA25387-yetKDKU6eevNLxjTenLetw@public.gmane.org>
2008-08-28 0:11 ` Greg Ungerer
2008-08-27 8:34 ` Bernd Petrovitsch
2008-08-26 23:24 ` Adrian Bunk
[not found] ` <20080826232411.GC11734-re2QNgSbS3j4D6uPqz5PAwR5/fbUUdgG@public.gmane.org>
2008-08-26 23:51 ` Linus Torvalds
[not found] ` <alpine.LFD.1.10.0808261648140.3363-nfNrOhbfy2R17+2ddN/4kux8cNe9sq/dYPYVAmT7z5s@public.gmane.org>
2008-08-27 0:23 ` Adrian Bunk
2008-08-27 0:28 ` Linus Torvalds
[not found] ` <alpine.LFD.1.10.0808261726560.3363-nfNrOhbfy2R17+2ddN/4kux8cNe9sq/dYPYVAmT7z5s@public.gmane.org>
2008-08-27 11:58 ` Adrian Bunk
[not found] ` <20080827115829.GF11734-re2QNgSbS3j4D6uPqz5PAwR5/fbUUdgG@public.gmane.org>
2008-08-27 16:00 ` Paul Mundt
2008-08-27 17:35 ` Adrian Bunk
2008-08-28 0:32 ` Paul Mundt
2008-08-28 0:46 ` David Miller
[not found] ` <20080827.174605.85608276.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2008-08-28 1:02 ` Paul Mundt
2008-08-28 16:16 ` Adrian Bunk
2008-08-28 1:05 ` Greg Ungerer
2008-08-27 8:25 ` Alan Cox
2008-08-27 12:52 ` Parag Warudkar
[not found] ` <f7848160808270552u2ee66167x912a68e0bf8b25bf-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-08-27 13:21 ` Alan Cox
[not found] ` <20080827142142.303cdba8-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org>
2008-08-27 16:24 ` Parag Warudkar
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