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List:       linux-ha-dev
Subject:    Re: [Linux-ha-dev] Linux-HA-Dev Digest, Vol 26, Issue 8
From:       Xun Sun <xun.sun.cn () gmail ! com>
Date:       2006-01-12 5:52:29
Message-ID: 83c4b03b0601112152q37c49ccbl7163c01fcf022e3a () mail ! gmail ! com
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On 1/12/06, Deepak Madhusudan <deepak.katagade@gmail.com> wrote:
> Hi Alan,
>     Can you please suggest methe similar mailinglist or kernel for this
> problem.

Try the linux-serial mailing list?
    http://vger.kernel.org/vger-lists.html#linux-serial
>
> thanks and regards
> deepak
>
>
>
> >
> >
> > Today's Topics:
> >
> >   1. Re: minicom: page allocation failure. order:4,    mode:0xd1
> >      (Alan Robertson)
> >
> >
> >
> ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Tue, 10 Jan 2006 16:01:27 -0700
> > From: Alan Robertson <alanr@unix.sh>
> > Subject: Re: [Linux-ha-dev] minicom: page allocation failure. order:4,
> >        mode:0xd1
> > To: High-Availability Linux Development List
> >        <linux-ha-dev@lists.linux-ha.org >
> > Message-ID: <43C43CC7.30305@unix.sh>
> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> >
> > Deepak Madhusudan wrote:
> > > Hi all,
> > >     I am writing a serial driver in FEDORA3 ( 2.6.9 KERNEL). while
> > > configuring the kernel if I enable the option in.
> > > *Processor type and features ------------>*
> > > called as
> > > *[* ] 4GB kernel-space and 4GB user-space virtual memory support.*
> > > The following options will be set
> > >
> > > **CONFIG_x86_4G  Y**
> > > **CONFIG_x86_SWITCH_PAGETABLES  Y**
> > > **CONFIG_X86_4G_VM_LAYOUT  Y**
> > > **CONFIG_X86_UACCESS_INDIRECT Y**
> > > **CONFIG_X86_HIGH_ENTRY  Y**
> > > when I try to open the serialport through minicom my system will get
> > > hanged with the following debug message.
> > > **
> > > *minicom: page allocation failure. order:4, mode:0xd1*
> > > **[<c0148f56>] __alloc_pages+0x28b/0x298
> > > [<c0148f7b>] __get_free_pages+0x18/0x24
> > > [<c014c689>] kmem_getpages+0x15/0x94
> > > [<c014d415>] cache_grow+0x155/0x29a
> > > [<c014d767>] cache_alloc_refill+0x20d/0x23d
> > > [<c014dd18>] __kmalloc+0x6b/0x7d
> > >
> > > If I disable the above option(i.e.  [* ] 4GB kernel-space and 4GB
> > > user-space virtual memory support) while configuring the kernel* *the
> > > system will not hang and it will work *.*
> > > Can anybody please tell me what may be the reason for this problem* *and
> > > how to overcome this without making any changes in the
> > > kernelconfiguration*.* since I cannot tell the user of my serial driver
> > > to disable the above option * *and  use my serial driver.
> > > I am using pentiumIII(coppermine) machine with 256MB ram and my gcc
> > > version is 3.4.2*.*
> > > waiting for the reply.please help me in this regard.
> >
> > I'd suggest a kernel or similar mailing list for this type of problem.
> >
> >
> > --
> >     Alan Robertson < alanr@unix.sh>
> >
> > "Openness is the foundation and preservative of friendship...  Let me
> > claim from you at all times your undisguised opinions." - William
> > Wilberforce
> >
> >
> > ------------------------------
> >
> > _______________________________________________
> > Linux-HA-Dev mailing list
> > Linux-HA-Dev@lists.linux-ha.org
> > http://lists.linux-ha.org/mailman/listinfo/linux-ha-dev
> >
> >
> > End of Linux-HA-Dev Digest, Vol 26, Issue 8
> > *******************************************
> >
>
>
> _______________________________________________________
> Linux-HA-Dev: Linux-HA-Dev@lists.linux-ha.org
> http://lists.linux-ha.org/mailman/listinfo/linux-ha-dev
> Home Page: http://linux-ha.org/
>
>
>


--
Thanks & regards
Xun Sun
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