Fw: [Bug 4467] New: Debug: sleeping function called from invalid context at mm/slab.c:2090

Fw: [Bug 4467] New: Debug: sleeping function called from invalid context at mm/slab.c:2090

[Andrew Morton]

proto_register() is doing kmem_cache_create() inside write_lock().


Begin forwarded message:

Date: Sun, 10 Apr 2005 05:09:39 -0700
From: bugme-daemon@osdl.org
To: akpm@digeo.com
Subject: [Bug 4467] New: Debug: sleeping function called from invalid context at mm/slab.c:2090


http://bugme.osdl.org/show_bug.cgi?id=4467

           Summary: Debug: sleeping function called from invalid context at
                    mm/slab.c:2090
    Kernel Version: 2.6.12.rc2
            Status: NEW
          Severity: normal
             Owner: akpm@digeo.com
         Submitter: avvisi@spalletti.it


Distribution: Ubuntu 5.04
Hardware Environment: Asus M6Ne Laptop
Software Environment: gcc 3.3.5, libc6 2.3.2
Problem Description:
On startup, at ipv6 module loading dmesg prints this error:
Debug: sleeping function called from invalid context at mm/slab.c:2090
in_atomic():1, irqs_disabled():0
 [<c01160f6>] __might_sleep+0xa6/0xb0
 [<c01345dd>] load_module+0x8cd/0xb70
 [<c014463d>] kmem_cache_alloc+0x6d/0x70
 [<c0143740>] kmem_cache_create+0x100/0x5b0
 [<c02e4324>] proto_register+0xa4/0xd0
 [<e1bb00b9>] inet6_init+0x19/0x200 [ipv6]
 [<c0134a32>] sys_init_module+0x182/0x240
 [<c010319b>] sysenter_past_esp+0x54/0x75

I'll attach my config

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Re: Fw: [Bug 4467] New: Debug: sleeping function called from invalid context at mm/slab.c:2090

[David S. Miller]

On Sun, 10 Apr 2005 13:49:34 -0700
Andrew Morton <akpm@osdl.org> wrote:

> 
> proto_register() is doing kmem_cache_create() inside write_lock().

Didn't you integrate Arnaldo's patch to fix this into -mm?
I was certain I got an ACK email back from your -mm automatic
thingy.

Re: Fw: [Bug 4467] New: Debug: sleeping function called from invalid context at mm/slab.c:2090

[Andrew Morton]

"David S. Miller" <davem@davemloft.net> wrote:
>
> On Sun, 10 Apr 2005 13:49:34 -0700
> Andrew Morton <akpm@osdl.org> wrote:
> 
> > 
> > proto_register() is doing kmem_cache_create() inside write_lock().
> 
> Didn't you integrate Arnaldo's patch to fix this into -mm?

Seems I did.

> I was certain I got an ACK email back from your -mm automatic
> thingy.

This report is against 2.6.12-rc2.