Hi,
I tryed to build 2.6.8.1 kernel + E.16 CKRM patches on i686.
But I faced to the following problems.
Any comments or suggestion please.
o On applying the four patches and relayfs.
* I applied relayfs-patch because CONFIG_CKRM_CRBCE depends on relayfs.
But there is no attention about it. Is it unkindness?
* When I applied the cpu.ckrm-e16.v7.patch, patching to kernel/ckrm/Makefile
failed.
cpu.ckrm-e16.v7.patch describes as follows:
:
obj-$(CONFIG_CKRM_RES_LISTENAQ) += ckrm_laq.o
+ obj-$(CONFIG_CKRM_CPU_SCHEDULE) += ckrm_cpu_class.o ckrm_cpu_monitor.o
But 'ckrm_laq.o' is wrong, it is 'ckrm_listenaq.o' actually.
I modified the patching command line because of this.
% cat ../E16/cpu.ckrm-e16.v7.patch | sed 's/ckrm_laq.o/ckrm_listenaq.o/g' |
patch -p1
* When I applied the mem.ckrm-e16.v3.patch after cpu.ckrm-e16.v7.patch and
io.ckrm-e16.v1.patch,
patching to kernel/ckrm/Makefile also failed.
mem.ckrm-e16.v3.patch describes as follows:
:
obj-$(CONFIG_CKRM_RES_LISTENAQ) += ckrm_listenaq.o
+ obj-$(CONFIG_CKRM_RES_MEM) += ckrm_mem.o
But 'obj-$(CONFIG_CKRM_CPU_SCHEDULE) += ckrm_cpu_class.o
ckrm_cpu_monitor.o' had be inserted
under the '... + ckrm_listenaq.o' by 'cpu.ckrm-e16.v7.patch'. I modified this
line by hand.
o On Building up the patched kernel.
* The definition of GET_MEM_CLASS() is wrong.
It is defined as 'ckrm_get_res_class(tsk->taskclass, mem_rcbs.resid,
ckrm_mem_res_t)'
But tsk->taskclass is not ckrm_core_class_t type pointer. Should it be
defined as
'ckrm_get_res_class((ckrm_core_class_t *)tsk->taskclass, mem_rcbs.resid,
ckrm_mem_res_t)' ?
* The declarations of cki_tsk_icls and cki_tsk_ioprio in
include/linux/ckrm-io.h are contradictory.
I commented out it, then I could build it.
drivers/block/ckrm-io.c:97: error: 'cki_tsk_icls' redeclared as different kind
of symbol
include/linux/ckrm-io.h:36: error: previous declaration of 'cki_tsk_icls' was
here
drivers/block/ckrm-io.c:97: error: 'cki_tsk_icls' redeclared as different kind
of symbol
include/linux/ckrm-io.h:36: error: previous declaration of 'cki_tsk_icls' was
here
drivers/block/ckrm-io.c:98: error: 'cki_tsk_ioprio' redeclared as different
kind of symbol
include/linux/ckrm-io.h:37: error: previous declaration of 'cki_tsk_ioprio' was
here
drivers/block/ckrm-io.c:98: error: 'cki_tsk_ioprio' redeclared as different
kind of symbol
include/linux/ckrm-io.h:37: error: previous declaration of 'cki_tsk_ioprio' was
here
o On Booting up the kernel.
I faced to kernel panic on generic_file_aio_write_nolock().
EIP = 0xc0148950, it means include/linux/mm.h:381.
------------------------------------------------------------
Linux version 2.6.8.1-test ([EMAIL PROTECTED]) (gcc version 3.3.3 20040412 (Red
Hat Linux 3.3.3-7)) #1 Wed Nov 24 24
BIOS-provided physical RAM map:
BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 000000001dff0000 (usable)
BIOS-e820: 000000001dff0000 - 000000001dff8000 (ACPI data)
BIOS-e820: 000000001dff8000 - 000000001e000000 (ACPI NVS)
BIOS-e820: 00000000fec00000 - 00000000fed00000 (reserved)
BIOS-e820: 00000000fee00000 - 00000000fef00000 (reserved)
BIOS-e820: 00000000ffee0000 - 00000000fff0ffff (reserved)
BIOS-e820: 00000000fffc0000 - 0000000100000000 (reserved)
0MB HIGHMEM available.
479MB LOWMEM available.
DMI 2.3 present.
ACPI: RSDP (v000 AMI ) @ 0x000fa220
ACPI: RSDT (v001 AMIINT SiS645XX 0x00000010 MSFT 0x0100000b) @ 0x1dff0000
ACPI: FADT (v001 AMIINT SiS645XX 0x00000011 MSFT 0x0100000b) @ 0x1dff0030
ACPI: DSDT (v001 SiS 645 0x00001000 MSFT 0x0100000d) @ 0x00000000
ACPI: PM-Timer IO Port: 0x808
Built 1 zonelists
Kernel command line: ro root=LABEL=ROOT rhgb console=ttyS0,115200
Initializing CPU#0
PID hash table entries: 2048 (order 11: 16384 bytes)
CKRM Initialization
...... Initializing ClassType<taskclass> ........
...... Initializing ClassType<socketclass> ........
CKRM Initialization done
Detected 2391.408 MHz processor.
Using pmtmr for high-res timesource
Console: colour VGA+ 80x25
Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
Memory: 482628k/491456k available (1952k kernel code, 8092k reserved, 664k
data, 160k init, 0k highmem)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay loop... 4734.97 BogoMIPS
Security Scaffold v1.0.0 initialized
SELinux: Initializing.
SELinux: Starting in permissive mode
There is already a security framework initialized, register_security failed.
selinux_register_security: Registering secondary module capability
Capability LSM initialized as secondary
Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
CPU: Trace cache: 12K uops, L1 D cache: 8K
CPU: L2 cache: 128K
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
CPU0: Intel P4/Xeon Extended MCE MSRs (12) available
CPU: Intel(R) Celeron(R) CPU 2.40GHz stepping 09
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Checking 'hlt' instruction... OK.
checking if image is initramfs...it isn't (no cpio magic); looks like an initrd
Unable to handle kernel NULL pointer dereference at virtual address 00000064
printing eip:
c0148950
*pde = 00000000
Oops: 0002 [#1]
Modules linked in:
CPU: 0
EIP: 0060:[<c0148950>] Not tainted
EFLAGS: 00010002 (2.6.8.1-test)
EIP is at __pagevec_lru_add+0xf0/0x420
eax: 00000001 ebx: 00000000 ecx: c0337a28 edx: ffffffff
esi: c1436d94 edi: 00000000 ebp: ddf8e718 esp: c14b3dfc
ds: 007b es: 007b ss: 0068
Process swapper (pid: 1, threadinfo=c14b2000 task=c14b1830)
Stack: c14369c8 0000000f ddf8e71c c14369c8 c0337a04 00000000 c14b3eb4 c14369c8
0000000f 00000000 ddf8e718 c0140ffd 000000d0 00000006 00000003 00000001
00000008 00000008 00000005 00000004 00000004 00000006 00001000 00000000
Call Trace:
[<c0140ffd>] generic_file_aio_write_nolock+0x6cd/0x9d0
[<c014135a>] generic_file_write_nolock+0x5a/0x80
[<c01b2919>] selinux_file_permission+0x119/0x160
[<c0141475>] generic_file_write+0x55/0x70
[<c015bcf1>] vfs_write+0xd1/0x120
[<c015be07>] sys_write+0x47/0x80
[<c03955a0>] populate_rootfs+0xb0/0x100
[<c01003f0>] init+0x0/0x100
[<c0100410>] init+0x20/0x100
[<c0104298>] kernel_thread_helper+0x0/0x18
[<c010429d>] kernel_thread_helper+0x5/0x18
Code: ff 44 83 60 89 d8 e8 d5 c4 fe ff 85 c0 74 5a ff 43 3c 83 7b
<0>Kernel panic: Attempted to kill init!
------------------------------------------------------------
Related Kconfig is as follows:
#
# Class Based Kernel Resource Management
#
CONFIG_CKRM=y
CONFIG_RCFS_FS=y
CONFIG_CKRM_TYPE_TASKCLASS=y
CONFIG_CKRM_RES_NUMTASKS=y
CONFIG_CKRM_CPU_SCHEDULE=y
CONFIG_CKRM_RES_BLKIO=y
CONFIG_CKRM_RES_MEM=y
CONFIG_CKRM_MEM_LRUORDER_CHANGE=y
CONFIG_CKRM_TYPE_SOCKETCLASS=y
# CONFIG_CKRM_RBCE is not set
CONFIG_CKRM_CRBCE=y
CONFIG_SYSCTL=y
CONFIG_AUDIT=y
CONFIG_AUDITSYSCALL=y
CONFIG_LOG_BUF_SHIFT=17
CONFIG_HOTPLUG=y
# CONFIG_IKCONFIG is not set
# CONFIG_EMBEDDED is not set
CONFIG_DELAY_ACCT=y
:
#
# Pseudo filesystems
#
:
CONFIG_RELAYFS_FS=y
# CONFIG_KLOG_CHANNEL is not set
Thanks.
--
KaiGai Kohei <[EMAIL PROTECTED]>
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