On Thu, 31 Aug 2006, Paul Jackson wrote:
The following patch in 2.6.18-rc4-mm3 is broken on my x86_64:
account-for-memmap-and-optionally-the-kernel-image-as-holes.patch
The failure is 100% reproducible.
Ok, I'm suprised that it is this patch that causes a problem. I felt the
patch would either explode everywhere or just work.
The system has a pair of dual-core Intel Xeon 5100 series (Woodcrest)
processors (4 logical CPUs total) and 2 GBytes of ram.
The .config is what one gets from 'make defconfig' for arch x86_64,
plus the following changes:
=========================== begin ===========================
--- .config.def 2006-08-31 04:29:22.100311614 -0500
+++ .config 2006-08-31 04:29:03.247761750 -0500
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.18-rc4-mm3
-# Thu Aug 31 04:29:22 2006
+# Thu Aug 31 04:07:54 2006
#
CONFIG_X86_64=y
CONFIG_64BIT=y
@@ -44,7 +44,7 @@
# CONFIG_AUDIT is not set
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
-# CONFIG_CPUSETS is not set
+CONFIG_CPUSETS=y
# CONFIG_RELAY is not set
CONFIG_INITRAMFS_SOURCE=""
CONFIG_UID16=y
@@ -205,7 +205,7 @@
# CONFIG_ACPI_ASUS is not set
# CONFIG_ACPI_IBM is not set
# CONFIG_ACPI_TOSHIBA is not set
-CONFIG_ACPI_SONY=m
+# CONFIG_ACPI_SONY is not set
CONFIG_ACPI_BLACKLIST_YEAR=0
# CONFIG_ACPI_DEBUG is not set
CONFIG_ACPI_EC=y
@@ -1270,7 +1270,11 @@
# CONFIG_REISERFS_FS_SECURITY is not set
# CONFIG_JFS_FS is not set
CONFIG_FS_POSIX_ACL=y
-# CONFIG_XFS_FS is not set
+CONFIG_XFS_FS=y
+# CONFIG_XFS_QUOTA is not set
+# CONFIG_XFS_SECURITY is not set
+# CONFIG_XFS_POSIX_ACL is not set
+# CONFIG_XFS_RT is not set
# CONFIG_GFS2_FS is not set
# CONFIG_OCFS2_FS is not set
# CONFIG_MINIX_FS is not set
============================ end ============================
Nothing very suprising there.
The boot fails with the following console output:
ok, this is interesting. It appears that the log is truncated or somehow
corrupt.
=========================== begin ===========================
root (hd0,0)
Filesystem type is ext2fs, partition type 0x83
kernel /vmlinuz.pj2 root=/dev/sda3 console=ttyS1,115200 showopts pj2
[Linux-bzImage, setup=0x1c00, size=0x2b66e5]
Linux version 2.6.18-rc4-mm3 (pj@spandau) (gcc version 4.1.0 (SUSE Linux)) #48 SMP Thu Aug 31 04:22:41 CDT 2006
Command line: root=/dev/sda3 console=ttyS1,115200 showopts pj2
BIOS-provided physical RAM map:
BIOS-e820: 0000000000000000 - 000000000009f000 (usable)
BIOS-e820: 000000000009f000 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 000000007f932000 (usable)
BIOS-e820: 000000007f932000 - 000000007f9d0(ACPI NVS)
Little bit missing here. I don't expect 000000007f9d0 to be truncated like
that.
BIOS-e820: 000000007f9d0000 - 000000007fa42000 (usable)
BIOS-e820: 000000007fa420000 - 000000007fb2b000 (usable)
or 000000007fa420000 to have an additional 0 at the end.
BIOS-e820: 000000007fb2b000 - 000000007fb3a000 (ACPI data)
B0000000000-000000007fc00000
Bootmem setup node 0 0000000000000000-000000007fc00000
and this seems to interleave even though the bootmem setup node range
would match your physical memory.
Zone PFN raProcessor #0 (Bootup-CPU)
There is information missing here. That should be Zone PFN Ranges followed
by a list of active PFN ranges from your system. After that, I expect to
see a message like
X pages DMA reserved
Y pages used for memmap
Do you think this is a problem with your serial console or something else?
Do you see the Zone PFN ranges information when the patch is backed out?
Those messages, as well as botting with loglevel=8 would really help me
figure out what went pear shaped.
ACPI: LAPIC (acpi_id[0x01] lapic_id[0x06] enabled)
Processor #6
ACPapic_id[0x85] disabled)
ACPI: LAPIC (acpi_id[0x06] lapic_id[0x86] disabled)
ACPI: LAPIC (acpi_x02] high level lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x03] high level lint[0x1])
ACPI: LAPIC_NM0x08] address[0xfec00000] gsi_base[0])
IOAPIC[0]: apic_id 8, address 0xfec00000, GSI 0-23
ACPI0x0b] address[0xfec84400] gsi_base[72])
IOAPIC[3]: apic_id 11, address 0xfec84400, GSI 72-95
AUsing ACPI (MADT) for SMP configuration information
Allocating PCI resources starting at 800000ot=/dev/sda3 console=ttyS1,115200 showopts pj2
Initializing CPU#0
PID hash table entries: 40962 (order: 8, 1048576 bytes)
Checking aperture...
Memory: 2052128k/2093056k available (3519k kerved, 2323k data, 280k init)
Calibrating delay using timer specific routine.. 5324.66 BogoMIPS (lpj=10649332)
Mount-cache hash table entries: 256
CPU: L1 I cache: 32K, L1 D cache: 32K
CPU: L2 cache: 4096K
CPU 0/0 -> Node 0
using mwait in idle threads.
CPU: Physical Processor ID: 0
CPU: Processor Core ID: 0
CPU0: Thermal monitoring enabled (TM2)
SMP alternatives: switching to UP code
ACPI: Core revision 20060707
Using local APIC timer interrupts.
result 20781304
Detected 20.781 MHz APIC timer.
SMP alternatives: switching to SMP code
Booting processor 1/4 APIC 0x6
Initializing CPU#1
Calibrating delay using timer specific routine.. 5320.16 BogoMIPS (lpj=10640330)
CPU: L1 I cache: 32K, L1 D cache: 32K
CPU: L2 cache: 4096K
CPU 1/6 -> Node 0
CPU: Physical Processor ID: 3
CPU: Processor Core ID: 0
CPU1: Thermal monitoring enabled (TM2)
Genuine Intel(R) CPU @ 2.66GHz stepping 04
SMP alternatives: switching to SMP code
Booting processor 2/4 APIC 0x1
Initializing CPU#2
Calibrating delay using timer specific routine.. 5320.16 BogoMIPS (lpj=10640332)
CPU: L1 I cache: 32K, L1 D cache: 32K
CPU: L2 cache: 4096K
CPU 2/1 -> Node 0
CPU: Physical Processor ID: 0
CPU: Processor Core ID: 1
CPU2: Thermal monitoring enabled (TM2)
Genuine Intel(R) CPU @ 2.66GHz stepping 04
SMP alternatives: switching to SMP code
Booting processor 3/4 APIC 0x7
Initializing CPU#3
Calibrating delay using timer specific routine.. 5320.04 BogoMIPS (lpj=10640092)
CPU: L1 I cache: 32K, L1 D cache: 32K
CPU: L2 cache: 4096K
CPU 3/7 -> Node 0
CPU: Physical Processor ID: 3
CPU: Processor Core ID: 1
CPU3: Thermal monitoring enabled (TM2)
Genuine Intel(R) CPU @ 2.66GHz stepping 04
Brought up 4 CPUs
testing NMI watchdog ... OK.
time.c: Using 14.318180 MHz WALL HPET GTOD HPET/TSC timer.
time.c: Detected 2660.007 MHz processor.
migration_cost=30,7937
NET: Registered protocol family 16
ACPI: bus type pci registered
PCI: Using MMCONFIG at a0000000
ACPI: Interpreter enabled
ACPI: Using IOAPIC for interrupt routing
ACPI: PCI Root Bridge [PCI0] (0000:00)
PCI: Ignoring BAR0-3 of IDE controller 0000:00:1f.1
PCI: PXH quirk detected, disabling MSI for SHPC device
PCI: PXH quirk detected, disabling MSI for SHPC device
PCI: Transparent bridge - 0000:00:1e.0
ACPI: PCI Interrupt Link [LNKA] (IRQs 5 7 *10 11)
ACPI: PCI Interrupt Link [LNKB] (IRQs 5 7 10 *11)
ACPI: PCI Interrupt Link [LNKC] (IRQs 5 7 *10 11)
ACPI: PCI Interrupt Link [LNKD] (IRQs *5 7 10 11)
ACPI: PCI Interrupt Link [LNKE] (IRQs *5 7 10 11)
ACPI: PCI Interrupt Link Intel 82802 RNG detected
SCSI subsystem initialized
usbcore: registered new interface driver uirq". If it helps, post a report
hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0
hpet0: 3 64-bit timeow: b8b00000-b8bfffff
PCI: Bridge: 0000:03:00.2
IO window: disabled.
MEM window: disabled.
MEM window: disabled.
PREFETCH window: disabled.
PCI: Bridge: 0000:02:02.0
IO windowisabled.
MEM window: disabled.
PREFETCH window: disabled.
PCI: Bridge: 0000:00:02.0
IOdow: disabled.
MEM window: disabled.
PREFETCH window: disabled.
PCI: Bridge: 0000:00:05.0c:00.2
IO window: disabled.
MEM window: disabled.
PREFETCH window: disabled.
PCI: BridEFETCH window: disabled.
PCI: Bridge: 0000:00:1e.0
IO window: 1000-1fff
MEM window: b8c00terrupt 0000:01:00.0[A] -> GSI 16 (level, low) -> IRQ 169
ACPI: PCI Interrupt 0000:02:00.0[A] - IRQ 169
ACPI: PCI Interrupt 0000:00:03.0[A] -> GSI 16 (level, low) -> IRQ 169
ACPI: PCI Inter Interrupt 0000:00:07.0[A] -> GSI 16 (level, low) -> IRQ 169
IP route cache hash table entries: 65536 (order: 7, 524288 bytes)
TCP established hash table entries: 262144 (order: 10, 4194304 bytes)
TCP bind hash table entries: 65536 (order: 8, 1048576 TCP: Hash tables configured (established 262144 bind 65536)
TCP reno registered
Total HugeTLB io scheduler noop registered
io scheduler deadline registered
io scheduler cfq registered (def0000:00:1d.7 EHCI: BIOS handoff failed (BIOS bug ?) 01010001
assign_interrupt_mode Found MSI capability
assign_interrupt_mode Found MSI capability
assign_interrupt_mode Found MSI capability
assign_interrupt_mode Found MSI capability
assign_interrupt_mode Found MSI capability
assign_interrupt_mode Found MSI capability
assign_interrupt_mode Found MSI capability
assign_interrupt_mode Found MSI capability
assign_interrupt_mode Found MSI capability
aer: probe of 0000:00:02.0:pcie01 failed with error 2
aer: probe of 0000:00:03.0:pcie01 failed with error 1
aer: probe of 0000:00:04.0:pcie01 failed failed with error 2
aer: probe of 0000:00:07.0:pcie01 failed with error 2
ACPI: Power Button r Device is not present [20060707]
ACPI: Getting cpuindex for acpiid 0x4
ACPI Exception (acpi_060707]
ACPI: Getting cpuindex for acpiid 0x6
ACPI Exception (acpi_processor-0681): AE_NOT_FOUReal Time Clock Driver v1.12ac
Linux agpgart interface v0.101 (c) Dave Jones
Serial: 8250/1655/O 0x2f8 (irq = 3) is a 16550A
floppy0: no floppy controllers found
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
loop: loaded (max 8 devices)
IntI 17 sharing vector 0x42 and IRQ 17
ACPI: PCI Interrupt 0000:07:00.0[A] -> GSI 18 (level, low) -> IRQ 66
e1000: 0000:07:00.0: e1000_probe: (PCI Express:2.5Gb/s:Width x4) 00:04:23:cf:2d:d2
e1000: eth0: e1000_probe: Intel(R) PRO/1000 Network Connection
GSI 18 sharing vector 0x4A and IRQ 18
ACPI: PCI Interrupt 0000:07:00.1[B] -> GSI 19 (level, low) -> IRQ 74
e1000: 0000:07:00.1:ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hda: ATAPI 24X DVD-ROM drive, 256kB Cache, UDMA(33)
Uniform CD-ROM driver Revision: 3.20
megaraid cmm: 2.20.2.7 (Release Date: Sun Jul 16 00:01:03 EST 2006)
megaraid: 2.20.4.9 (Release Date: Sun Jul 16 12:27:22 EST 2006)
megasas: 00.00.03.01 Sun May 14 22:49:52 PDT 2006
megasas: 0x1000:0x0411:0x8086:0x3501: bus 4:slot 14:func 0
ACPI: PCI Interrupt 0000:04:0e.0[A] -> GSI 18 (level, low) -> IRQ 66
scsi0 : LSI Logic SAS based MegaRAID driver
scsi 0:0:0:0: Direct-Access ATA HDT722525DLA380 A80A PQ: 0 ANSI: 5
scsi 0:0:1:0: Direct-Access ATA HDS725050KLA360 AB0A PQ: 0 ANSI: 5
scsi 0:0:2:0: Direct-Access ATA HDS725050KLA360 AB0A PQ: 0 ANSI: 5
scsi 0:0:3:0: Direct-Access Ascsi 0:2:0:0: Direct-Access INTEL SROMBSAS18E 1.00 PQ: 0 ANSI: 5
scsi 0:2:1:0: Direswapper invoked oom-killer: gfp_mask=0xd1, order=0, oomkilladj=0
Call Trace:
[<ffffffff802025bc67>] __alloc_pages+0x229/0x2b2
[<ffffffff80274e46>] cache_grow+0x134/0x333
[<ffffffff802really_probe+0x47/0xc9
[<ffffffff803eea20>] __driver_attach+0x6f/0xaf
[<ffffffff803ee214>] bffffffff803abf12>] acpi_ds_init_one_object+0x0/0x82
[<ffffffff80207046>] init+0x0/0x306
[<ffu 0 hot: high 186, batch 31 used:24
cpu 0 cold: high 62, batch 15 used:0
cpu 1 hot: high 186, 15 used:0
Node 0 Normal per-cpu: empty
Active:0 inactive:0 dirty:0 writeback:0 unstable:0 freeB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no
lowmem_res 0*2048kB 496*4096kB = 2035560kB
This is also garbled up. This is in show_free_areas() though and it looks
like it is saying there are 496*4096kB pages currently free. Not clear at
all how it managed to go OOM due to this patch.
Node 0 Normal: empty
Swap cache: add 0, delete 0, find 0/0, r swap cached
Kernel panic - not syncing: Out of memory and no killable processes...
============================ end ============================
Without this bad patch, the system boot continues with the following
messages, slightly overlapping my presentation with the above output:
========================== begin ===========================
...
ACPI: PCI Interrupt 0000:04:0e.0[A] -> GSI 18 (level, low) -> IRQ 66
scsi0 : LSI Logic SAS based MegaRAID driver
scsi 0:0:0:0: Direct-Access ATA HDT722525DLA380 A80A PQ: 0 ANSI: 5
scsi 0:0:1:0: Direct-Access ATA HDS725050KLA360 AB0A PQ: 0 ANSI: 5
scsi 0:0:2:0: Direct-Access ATA HDS725050KLA360 AB0A PQ: 0 ANSI: 5
scsi 0:0:3:0: Direct-Access ATA HDS725050KLA360 AB0A PQ: 0 ANSI: 5
scsi 0:0:4:0: Direct-Access ATA HDS725050KLA360 AB0A PQ: 0 ANSI: 5
scsi 0:2:0:0: Direct-Access INTEL SROMBSAS18E 1.00 PQ: 0 ANSI: 5
scsi 0:2:1:0: Direct-Access INTEL SROMBSAS18E 1.00 PQ: 0 ANSI: 5
SCSI devi: write through
SCSI device sda: 486326272 512-byte hdwr sectors (248999 MB)
sda: test WP fail sda1 sda2 sda3
sd 0:2:0:0: Attached scsi disk sda
SCSI device sdb: 2923825152 512-byte hdwr s assuming drive cache: write through
SCSI device sdb: 2923825152 512-byte hdwr sectors (1496998 sdb1
sd 0:2:1:0: Attached scsi disk sdb
sd 0:2:0:0: Attached scsi generic sg0 type 0
sd 0:2:aw1394: /dev/raw1394 device initialized
GSI 20 sharing vector 0x5A and IRQ 20
ACPI: PCI Interr1d.7: debug port 1
...
============================ end ============================
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <[email protected]> 1.925.600.0401
Can I see a full bootlog with the patch backed out to see if that console
garbling is still there please? Have you any idea why the console garbling
is happening?
Thanks
--
Mel Gorman
Part-time Phd Student Linux Technology Center
University of Limerick IBM Dublin Software Lab
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