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Date: Fri, 21 Nov 2003 00:41:33 -0800
From: Andrew Morton <akpm@osdl.org>
To: "Prakash K. Cheemplavam" <prakashpublic@gmx.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.0-test9-mm4
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"Prakash K. Cheemplavam" <prakashpublic@gmx.de> wrote:
>
> DMESG gives me following:
> 
>  Debug: sleeping function called from invalid context at mm/slab.c:1868
>  in_atomic():1, irqs_disabled():0
>  Call Trace:
>    [<c0120fbb>] __might_sleep+0xab/0xd0
>    [<c0144fa5>] kmem_cache_alloc+0x65/0x70
>    [<c0155161>] __get_vm_area+0x21/0xf0
>    [<c0155263>] get_vm_area+0x33/0x40
>    [<c011df03>] __ioremap+0xb3/0x100
>    [<c011df79>] ioremap_nocache+0x29/0xb0
>    [<f9a5ad87>] os_map_kernel_space+0x68/0x6c [nvidia]
>    [<f9a6d377>] __nvsym00568+0x1f/0x2c [nvidia]
>    [<f9a6f496>] __nvsym00775+0x6e/0xe0 [nvidia]
>    [<f9a6f526>] __nvsym00781+0x1e/0x190 [nvidia]
>    [<f9a70fac>] rm_init_adapter+0xc/0x10 [nvidia]
>    [<f9a57dc9>] nv_kern_open+0xf3/0x228 [nvidia]
>    [<c0164b40>] exact_match+0x0/0x10
>    [<c0164941>] chrdev_open+0xf1/0x220
>    [<c01aa332>] devfs_open+0xe2/0xf0
>    [<c0159f32>] dentry_open+0x152/0x270
>    [<c0159ddb>] filp_open+0x5b/0x60
>    [<c015a2c3>] sys_open+0x53/0x90
>    [<c041f532>] sysenter_past_esp+0x43/0x65

That would be a locking error in the nvidia driver.
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