> The changeset below solve the ramdisk freeing error we see on DomUs.
> This issue hit Dan consistently so we adjusted his Dom1 script to
> allocate more memory which allowed his linux to be usable.
> Dan, please pull/rebuild and change your memory back to 64 MiB and
> see if this solves the big problem you were having and please post
> results (hopefully closing the bug) in bugzilla.
Yes, this resolves the DomU panic - also no occurences 'Bad page state...'
Thanks.
Here is console of DomU, 64mb:
Script started on Sun Sep 17 15:06:58 2006
lab082:~ # xm list
/usr/lib/python2.4/xmllib.py:9: DeprecationWarning: The xmllib module is
obsolete. Use xml.sax instead.
warnings.warn("The xmllib module is obsolete. Use xml.sax instead.",
DeprecationWarning)
Name ID Mem(MiB) VCPUs State Time(s)
Domain-0 0 192 1 r----- 143.9
lab082:~ # xm create -c dom1
Using config file "/etc/xen/dom1".
/usr/lib/python2.4/xmllib.py:9: DeprecationWarning: The xmllib module is
obsolete. Use xml.sax instead.
warnings.warn("The xmllib module is obsolete. Use xml.sax instead.",
DeprecationWarning)
Started domain S-1158520031.61
xen_start_info at c000000003ffc000
magic xen-3.0-powerpc64HV
flags 0
shared_info 3fff000, c000000003fff000
store_mfn 3ffe
store_evtchn 1
console_mfn 3ffd
console_evtchn 2
Hello World I'm Maple Xen-LPAR!
<- xen_init_early
Starting Linux PPC64 #1 SMP Fri Sep 15 14:50:47 EDT 2006
-----------------------------------------------------
ppc64_pft_size = 0x14
ppc64_interrupt_controller = 0x1
physicalMemorySize = 0x4000000
ppc64_caches.dcache_line_size = 0x80
ppc64_caches.icache_line_size = 0x80
htab_address = 0x0000000000000000
htab_hash_mask = 0x1fff
-----------------------------------------------------
Linux version 2.6.17-Xen (poff@lab095) (gcc version 3.4.1) #1 SMP Fri Sep 15
14:50:47 EDT 2006
*** 0000 : CF000012
*** 0000 : Setup Arch
[boot]0012 Setup Arch
Using Xen idle loop
*** 0000 : CF000015
*** 0000 : Setup Done
[boot]0015 Setup Done
Built 1 zonelists. Total pages: 16384
Kernel command line: xencons=tty128 console=tty128
PID hash table entries: 512 (order: 9, 4096 bytes)
firmware_features = 0x40000a
Using Xen-Maple machine description
Found initrd at 0xc000000001800000:0xc000000001b10648
Starting Linux PPC64 #1 SMP Fri Sep 15 14:50:47 EDT 2006
-----------------------------------------------------
ppc64_pft_size = 0x14
ppc64_interrupt_controller = 0x1
physicalMemorySize = 0x4000000
ppc64_caches.dcache_line_size = 0x80
ppc64_caches.icache_line_size = 0x80
htab_address = 0x0000000000000000
htab_hash_mask = 0x1fff
-----------------------------------------------------
Linux version 2.6.17-Xen (poff@lab095) (gcc version 3.4.1) #1 SMP Fri Sep 15
14:50:47 EDT 2006
*** 0000 : CF000012
*** 0000 : Setup Arch
[boot]0012 Setup Arch
Using Xen idle loop
*** 0000 : CF000015
*** 0000 : Setup Done
[boot]0015 Setup Done
Built 1 zonelists. Total pages: 16384
Kernel command line: xencons=tty128 console=tty128
PID hash table entries: 512 (order: 9, 4096 bytes)
Console: colour dummy device 80x25
Dentry cache hash table entries: 8192 (order: 4, 65536 bytes)
Inode-cache hash table entries: 4096 (order: 3, 32768 bytes)
Memory: 54188k/65536k available (5276k kernel code, 11284k reserved, 1212k
data, 456k bss, 236k init)
Mount-cache hash table entries: 256
Brought up 1 CPUs
smp_xen_setup_cpu(0)
migration_cost=0
checking if image is initramfs...it isn't (no cpio magic); looks like an initrd
Freeing initrd memory: 3137k freed
grant table at c000000000708000
Grant table initialized
NET: Registered protocol family 16
*** 0000 : Linux ppc64
*** 0000 : 2.6.17-Xen
SCSI subsystem initialized
usbcore: registered new driver usbfs
usbcore: registered new driver hub
NET: Registered protocol family 2
IP route cache hash table entries: 512 (order: 0, 4096 bytes)
TCP established hash table entries: 2048 (order: 3, 32768 bytes)
TCP bind hash table entries: 1024 (order: 2, 16384 bytes)
TCP: Hash tables configured (established 2048 bind 1024)
TCP reno registered
rtas_flash: no firmware flash support
scan-log-dump not implemented on this system
Initializing Cryptographic API
io scheduler noop registered
io scheduler deadline registered (default)
Generic RTC Driver v1.07
RAMDISK driver initialized: 16 RAM disks of 10240K size 1024 blocksize
loop: loaded (max 8 devices)
Intel(R) PRO/1000 Network Driver - version 7.0.38-k4
Copyright (c) 1999-2006 Intel Corporation.
Xen virtual console successfully installed as tty128
Event-channel device installed.
blkif_init: reqs=64, pages=704, mmap_vstart=0xc000000001c00000
netfront: Initialising virtual ethernet driver.
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 50MHz system bus speed for PIO modes; override with idebus=xx
ipr: IBM Power RAID SCSI Device Driver version: 2.1.3 (March 29, 2006)
scsi0 : scsi_debug, version 1.75 [20050113], dev_size_mb=8, opts=0x0
Vendor: Linux Model: scsi_debug Rev: 0004
Type: Direct-Access ANSI SCSI revision: 05
SCSI device sda: 16384 512-byte hdwr sectors (8 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
SCSI device sda: 16384 512-byte hdwr sectors (8 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
sda: unknown partition table
sd 0:0:0:0: Attached scsi disk sda
sd 0:0:0:0: Attached scsi generic sg0 type 0
usbmon: debugfs is not available
USB Universal Host Controller Interface driver v3.0
usbcore: registered new driver usbhid
/home/poff/linux-ppc-2.6-work.hg/drivers/usb/input/hid-core.c: v2.6:USB HID
core driver
pegasus: v0.6.13 (2005/11/13), Pegasus/Pegasus II USB Ethernet driver
usbcore: registered new driver pegasus
usbcore: registered new driver usbserial
/home/poff/linux-ppc-2.6-work.hg/drivers/usb/serial/usb-serial.c: USB Serial
support registered for generic
usbcore: registered new driver usbserial_generic
/home/poff/linux-ppc-2.6-work.hg/drivers/usb/serial/usb-serial.c: USB Serial
Driver core
/home/poff/linux-ppc-2.6-work.hg/drivers/usb/serial/usb-serial.c: USB Serial
support registered for DeLorme Earthmate USB
/home/poff/linux-ppc-2.6-work.hg/drivers/usb/serial/usb-serial.c: USB Serial
support registered for HID->COM RS232 Adapter
/home/poff/linux-ppc-2.6-work.hg/drivers/usb/serial/usb-serial.c: USB Serial
support registered for Nokia CA-42 V2 Adapter
usbcore: registered new driver cypress
/home/poff/linux-ppc-2.6-work.hg/drivers/usb/serial/cypress_m8.c: Cypress USB
to Serial Driver v1.09
/home/poff/linux-ppc-2.6-work.hg/drivers/usb/serial/usb-serial.c: USB Serial
support registered for Garmin GPS usb/tty
usbcore: registered new driver garmin_gps
/home/poff/linux-ppc-2.6-work.hg/drivers/usb/serial/garmin_gps.c: garmin gps
driver v0.23
/home/poff/linux-ppc-2.6-work.hg/drivers/usb/serial/usb-serial.c: USB Serial
support registered for IPWireless converter
usbcore: registered new driver ipwtty
/home/poff/linux-ppc-2.6-work.hg/drivers/usb/serial/ipw.c: IPWireless tty
driver v0.3
/home/poff/linux-ppc-2.6-work.hg/drivers/usb/serial/usb-serial.c: USB Serial
support registered for Keyspan - (without firmware)
/home/poff/linux-ppc-2.6-work.hg/drivers/usb/serial/usb-serial.c: USB Serial
support registered for Keyspan 1 port adapter
/home/poff/linux-ppc-2.6-work.hg/drivers/usb/serial/usb-serial.c: USB Serial
support registered for Keyspan 2 port adapter
/home/poff/linux-ppc-2.6-work.hg/drivers/usb/serial/usb-serial.c: USB Serial
support registered for Keyspan 4 port adapter
usbcore: registered new driver keyspan
/home/poff/linux-ppc-2.6-work.hg/drivers/usb/serial/keyspan.c: v1.1.4:Keyspan
USB to Serial Converter Driver
/home/poff/linux-ppc-2.6-work.hg/drivers/usb/serial/usb-serial.c: USB Serial
support registered for TI USB 3410 1 port adapter
/home/poff/linux-ppc-2.6-work.hg/drivers/usb/serial/usb-serial.c: USB Serial
support registered for TI USB 5052 2 port adapter
usbcore: registered new driver ti_usb_3410_5052
/home/poff/linux-ppc-2.6-work.hg/drivers/usb/serial/ti_usb_3410_5052.c: TI USB
3410/5052 Serial Driver v0.9
mice: PS/2 mouse device common for all mice
i2c /dev entries driver
IPv4 over IPv4 tunneling driver
TCP bic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
Bridge firewalling registered
Ebtables v2.0 registered
ebt_ulog: not logging via ulog since somebody else already registered for
PF_BRIDGE
802.1Q VLAN Support v1.8 Ben Greear <greearb@xxxxxxxxxxxxxxx>
All bugs added by David S. Miller <davem@xxxxxxxxxx>
RAMDISK: Compressed image found at block 0
VFS: Mounted root (ext2 filesystem) readonly.
Freeing unused kernel memory: 236k freed
INIT: version 2.84 booting
Welcome to the [1;34mXenPPC[0;39m Linux Boot Image
For more info please see: http://wiki.xensource.com/xenwiki/XenPPC
This ramdisk was created from scratch
Remounting filesystem read write.
EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended
Mounting proc filesystem.
To mount the swap filesystem type: swapon -a
Creating shared library cache
config loopback
RTNETLINK answers: File exists
netcat(nc) is installed for you testing pleasure
INIT: Entering runlevel: 5
]0;user@bringup: /[user@bringup /]# ls
bin dev etc include lib lost+found mnt proc sbin tmp usr var
]0;user@bringup: /[user@bringup /]# lab082:~ #
lab082:~ # exit
Script done on Sun Sep 17 15:07:58 2006
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