RE: kmem_alloc: out of kernel memory

There seems to be something terribly broken :-/

Can you do me a favor and send me your kernel config (the config dir in you=
r build directory)?

Thanks,
-Jan=20

--
Dr. Jan Stoess, KIT System Architecture Group
Phone: +49 (721) 6084 4056

> -----Original Message-----
> From: [email protected] [mailto:[email protected]
> karlsruhe.de] On Behalf Of David Silcott
> Sent: Monday, May 30, 2011 9:28 PM
> To: [email protected]
> Subject: kmem_alloc: out of kernel memory
>=20
> Hi,
>=20
> I've synced my local copy of Pistachio against the latest available and n=
ow all
> of my builds are reporting an out of memory error when I try to run any
> application, even pingpong or memtest. Below is the output I receive when=
 I
> attempt to run memtest
>=20
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D
> =3D=3D=3D=3D=3D=3D=3D
>=20
> KickStart 0.13.06
> Detected multiboot compliant loader
> =A0kernel =A0 =A0(0x00824000-0x0090ad41) =A0 =3D> 0x001ef4d0
> =A0 (0x00824000-0x0083f388) -> 0x00100000-0x0011b388
> =A0 (0x00840000-0x00840028) -> 0x0011c000-0x0011c028
> =A0 (0x00841000-0x0084a376) -> 0x0011d000-0x00126376
> =A0 (0x0084b000-0x008ef0c0) -> 0x00127000-0x001cb0c0
> =A0 (0x008f0000-0x008f4338) -> 0x001ec000-0x001f0338
> =A0sigma0 =A0 =A0(0x0090b000-0x0092eb24) =A0 =3D> 0x00020000
> =A0 (0x0090c000-0x00915524) -> 0x00020000-0x00029524
> =A0roottask =A0(0x0092f000-0x0093d424) =A0 =3D> 0x00400000
> =A0 (0x00930000-0x00935044) -> 0x00400000-0x00405044 Launching kernel ...
>=20
> L4Ka::Pistachio - built on May 28 2011 21:39:10 by david@andesite using g=
cc
> version 3.3.6
> --- "KD# kmem_alloc: out of kernel memory" ---
> --------------------------------- (eip=3Df010909c, esp=3D00000000) ---
>=20
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D
> =3D=3D=3D=3D=3D=3D=3D
>=20
>=20
> A query of the memory statistics reveals the following:
>=20
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D
> =3D=3D=3D=3D=3D=3D=3D
>=20
> /stats> kmem
> Kernel memory statistics:
> =A0 Chunk size =A0=3D 1024 bytes
> =A0 Free chunks =3D 2 (2KB)
>=20
> =A0 Consecutive =A0 Number of
> =A0 chunks =A0 =A0 =A0 =A0matches
> =A0 =A0 =A0 =A0 1 =A0 =A0 =A0 =A0 =A0 =A02
> =A0 =A0 =A0 =A0 2 =A0 =A0 =A0 =A0 =A0 =A01
> =A0 =A0 =A0 =A0 4 =A0 =A0 =A0 =A0 =A0 =A00
> =A0 =A0 =A0 =A0 8 =A0 =A0 =A0 =A0 =A0 =A00
> =A0 =A0 =A0 =A016 =A0 =A0 =A0 =A0 =A0 =A00
> =A0 =A0 =A0 =A032 =A0 =A0 =A0 =A0 =A0 =A00
> =A0 =A0 =A0 =A064 =A0 =A0 =A0 =A0 =A0 =A00
> =A0 =A0 =A0 128 =A0 =A0 =A0 =A0 =A0 =A00
> =A0 =A0 =A0 256 =A0 =A0 =A0 =A0 =A0 =A00
> =A0 =A0 =A0 512 =A0 =A0 =A0 =A0 =A0 =A00
> =A0 =A0 =A01024+ =A0 =A0 =A0 =A0 =A0 0
>=20
> =A0 Max consecutive chunks: 2
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D
> =3D=3D=3D=3D=3D=3D=3D
>=20
>=20
> =A0I get the same results even if I explicitly pass =A0memory values to
> kickstart: =A0 =A0maxmem=3D1G =A0kmem=3D128M
>=20
> I have tried several versions of GCC with 3.3.6 being the last but all ha=
ve
> reported some form of 'out of memory' error and the error occurs both on
> qemu and on a physical machine.
>=20
> The processor and memory spcecs of my test machine are:
>=20
> CPU: Intel Core 2 duo
> Memory: 4G
>=20
> Can anyone see what I am doing wrong? I didn't have this problem before
> updated pistachio
>=20
> I have attached a copy of my config.out file.
>=20
> Regards
> David