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SubjectRe: kernel 3.1.1 - cifs issue - ls: cannot access /cifs_mnt: Cannot allocate memory
On 11/16/2011 12:57 AM, Justin Piszcz wrote:
>
>
> -----Original Message-----
> From: Suresh Jayaraman [mailto:sjayaraman@suse.com]
> Sent: Tuesday, November 15, 2011 8:33 AM
> To: Justin Piszcz
> Cc: linux-kernel@vger.kernel.org; ap@solarrain.com; linux-cifs
> Subject: Re: kernel 3.1.1 - cifs issue - ls: cannot access /cifs_mnt: Cannot
> allocate memory
>
> [Cc linux-cifs@vger.kernel.org]
>
> On 11/15/2011 12:34 AM, Justin Piszcz wrote:
>> Hi,
>>
>> CIFS "works" when I mount a Windows 7 host from my Linux host
> (3.1.1-x86_64)
>> but if I turn my machine off (Windows) and turn it back on, I get the
>> following error, is this normal? With NFS as a hardmount it just recovers,
>> with CIFS do I need to setup some sort of canary to unmount/remount?
>>
>> $ ls /cifs_mnt
>> ls: cannot access /cifs_mnt: Cannot allocate memory
>>
>
> This looks like a problem specific to Windows 7 or above. Quick tests on
> my test machines shows that cifs attempts to connect, times out,
> attempts to reconnect and gets -EHOSTUNREACH in case of both Windows
> Servers and Samba Servers. This is the expected behavior.
>
> OTOH, this sounds like a problem related to an error due to the Windows
> server being unable to allocate from the system nonpaged pool (seen in
> the past). Do you see anything that is related to the error in Windows
> Event viewer?
>
> Hi,
>
> Yes, you are correct--
>
> The server was unable to allocate from the system nonpaged pool because the
> server reached the configured limit for nonpaged pool allocations.
>

Ah, ok. In case if you have not figured out how to overcome this
problem, take a look at


http://alan.lamielle.net/2009/09/03/windows-7-nonpaged-pool-srv-error-2017


- Suresh


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