Issues with GRUB2 as a bootloader using GPT
Hi,
Replaced HDD with SSD on my laptop, wanting to reinstall Arch. The laptop is a HP Probook 6460b which has both UEFI and a BIOS.
I had a working Arch install on my HDD using AIF and the automatic partitioning and so forth. I'm guessing this probably meant I had Grub legacy and MBR, and that it didn't take into consideration I had UEFI.
Now I want to try GRUB2 and GPT, and since my last install probably didn't take any precautions for UEFI I've tried to install GRUB2 + GPT in a normal fashion following the wiki step for step, using gdisk etc. I've also tried to make a special UEFI partition, and just plain simple /boot as first partition. The result is always the same: "BootDevice Not Found". I don't understand what's so different with my current setup and my older one (keep in mind that was a plain default AIF setup using GRUB (legacy)).
My current setup is GRUB2 using GPT, and this is my partition table/overview:
device | label | size | partition type id | filesystem
-------|-------|------|--------------------|-----------
sda1 | bios | 2M | ef02 | <none>
sda2 | boot | 100M | 8300 | ext4
sda3 | swap | 1G | 8200 | mkswap,swapon
sda4 | tmp | 1G | 8300 | ext4
sda5 | root | 15G | 8300 | ext4
sda6 | home | 102G | 8300 | ext4
Note that the first partition is a 2 MiB partition with no filesystem as noted in the GPT-part of the SSD wiki-article (warning #2).
So I just have to ask if I've understood it correctly:
- If I have both UEFI and BIOS, shouldn't it be possible to ignore the UEFI and just use a normal GRUB(2) + GPT/MBR setup?
Last edited by Occi (2012-07-29 21:44:16)
Tried both Syslinux + GPT and once with MBR again, still the same error. It seems no matter what I do I can't get a working bootloader. If I can't get it to work soon I guess I'll have to try Archbang or whatever instead. Really would like to get it working though. Current config with Syslinux and MBR:
/etc/fstab
# /etc/fstab: static file system information
# <file system> <dir> <type> <options> <dump> <pass>
tmpfs /tmp tmpfs nodev,nosuid 0 0
# /dev/sda3
UUID=e8e640d1-4c01-401e-9712-54ec02349091 / ext4 defaults,noatime,discard 0 1
# /dev/sda1
UUID=9c0f84e5-de7d-427f-bb3b-dcdbc8bfa6b7 /boot ext2 defaults,noatime 0 2
# /dev/sda4
UUID=5a3e00ac-91e3-410c-8630-425301a07afc /home ext4 defaults,noatime,discard 0 2
# /dev/sda2
UUID=e78b60b0-b86e-4620-9a30-b3fe7690c3da none swap defaults,noatime 0 0
fdisk -l /dev/sda
Disk /dev/sda: 128.0 GB, 128035676160 bytes
255 heads, 63 sectors/track, 15566 cylinders, total 250069680 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x3ce9ad2d
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 206847 102400 83 Linux
/dev/sda2 206848 2303999 1048576 82 Linux swap / Solaris
/dev/sda3 2304000 33761279 15728640 83 Linux
/dev/sda4 33761280 250069679 108154200 83 Linux
/boot/syslinux/syslinux.cfg (default from 'syslinux-install_update script -iam')
# Config file for Syslinux -
# /boot/syslinux/syslinux.cfg
# Comboot modules:
# * menu.c32 - provides a text menu
# * vesamenu.c32 - provides a graphical menu
# * chain.c32 - chainload MBRs, partition boot sectors, Windows bootloaders
# * hdt.c32 - hardware detection tool
# * reboot.c32 - reboots the system
# * poweroff.com - shutdown the system
# To Use: Copy the respective files from /usr/lib/syslinux to /boot/syslinux.
# If /usr and /boot are on the same file system, symlink the files instead
# of copying them.
# If you do not use a menu, a 'boot:' prompt will be shown and the system
# will boot automatically after 5 seconds.
# Please review the wiki: https://wiki.archlinux.org/index.php/Syslinux
# The wiki provides further configuration examples
DEFAULT arch
PROMPT 0 # Set to 1 if you always want to display the boot: prompt
TIMEOUT 50
# You can create syslinux keymaps with the keytab-lilo tool
#KBDMAP de.ktl
# Menu Configuration
# Either menu.c32 or vesamenu32.c32 must be copied to /boot/syslinux
UI menu.c32
#UI vesamenu.c32
# Refer to http://syslinux.zytor.com/wiki/index.php/Doc/menu
MENU TITLE Arch Linux
#MENU BACKGROUND splash.png
MENU COLOR border 30;44 #40ffffff #a0000000 std
MENU COLOR title 1;36;44 #9033ccff #a0000000 std
MENU COLOR sel 7;37;40 #e0ffffff #20ffffff all
MENU COLOR unsel 37;44 #50ffffff #a0000000 std
MENU COLOR help 37;40 #c0ffffff #a0000000 std
MENU COLOR timeout_msg 37;40 #80ffffff #00000000 std
MENU COLOR timeout 1;37;40 #c0ffffff #00000000 std
MENU COLOR msg07 37;40 #90ffffff #a0000000 std
MENU COLOR tabmsg 31;40 #30ffffff #00000000 std
# boot sections follow
# TIP: If you want a 1024x768 framebuffer, add "vga=773" to your kernel line.
LABEL arch
MENU LABEL Arch Linux
LINUX ../vmlinuz-linux
APPEND root=/dev/sda3 ro
INITRD ../initramfs-linux.img
LABEL archfallback
MENU LABEL Arch Linux Fallback
LINUX ../vmlinuz-linux
APPEND root=/dev/sda3 ro
INITRD ../initramfs-linux-fallback.img
#LABEL windows
# MENU LABEL Windows
# COM32 chain.c32
# APPEND hd0 1
LABEL hdt
MENU LABEL HDT (Hardware Detection Tool)
COM32 hdt.c32
LABEL reboot
MENU LABEL Reboot
COM32 reboot.c32
LABEL off
MENU LABEL Power Off
COMBOOT poweroff.com
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Start>Receive(Async)>Send(Sync)>Send(Async)>stop
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Issue with RAM/SWAP available and used
Hi,
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swap -l
swapfile dev swaplo blocks free
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swap -s
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0 0 0 13272120 1309136 43 173 0 0 0 0 0 3 3 -0 2 2113 4910 2352 1 0 99
0 0 0 13456480 645128 4 33 0 0 0 0 0 4 4 0 0 1899 3473 1929 0 0 99
0 0 0 13455112 643848 62 270 0 0 0 0 0 0 0 0 0 1628 4685 1411 1 0 99
prtconf –v
Memory size: 16256 Megabytes
df -klZ
Filesystem kbytes used avail capacity Mounted on
rboot/ROOT/s10s_u8wos_08a 140378112 7091492 95820301 7% /
/devices 0 0 0 0% /devices
ctfs 0 0 0 0% /system/contract
proc 0 0 0 0% /proc
mnttab 0 0 0 0% /etc/mnttab
swap 13440280 1712 13438568 1% /etc/svc/volatile
objfs 0 0 0 0% /system/object
sharefs 0 0 0 0% /etc/dfs/sharetab
/platform/SUNW,SPARC-Enterprise-T5120/lib/libc_psr/libc_psr_hwcap2.so.1 102911793 7091492 95820301 7% /platform/sun4v/lib/libc_psr.so.1
/platform/SUNW,SPARC-Enterprise-T5120/lib/sparcv9/libc_psr/libc_psr_hwcap2.so.1 102911793 7091492 95820301 7% /platform/sun4v/lib/sparcv9/libc_psr.so.1
fd 0 0 0 0% /dev/fd
rboot/ROOT/s10s_u8wos_08a/var 140378112 3737396 95820301 4% /var
swap 13441240 2672 13438568 1% /tmp
swap 13438616 48 13438568 1% /var/run
rboot/export 140378112 23 95820301 1% /export
rboot/export/home 140378112 2084894 95820301 3% /export/home
rboot/product 73400320 18733136 54667184 26% /opt
product-pool 140378112 68558024 71815166 49% /opt/app
rboot 140378112 97 95820301 1% /rpool
My processes take up 10 GB of Ram, (sum all processes memory size with the ps auxwww command).
My questions are:
1) Why the vmstat output display only 643 MB of available ram ( free ram) ?
2) Why the swap -s output, the sum of used plus available is not equal to physical memory (16 GB) plus disk swap (16GB)?
Please help me for understand this issue
BR
Francesco
Edited by: Francesco Maisano on 28-mag-2012 16.25Francesco Maisano wrote:
My processes take up 10 GB of Ram, (sum all processes memory size with the ps auxwww command).
My questions are:
1) Why the vmstat output display only 643 MB of available ram ( free ram) ?
2) Why the swap -s output, the sum of used plus available is not equal to physical memory (16 GB) plus disk swap (16GB)?
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Dear Customer,
This problem may relate to a known issue, which happens on EPM Add-in
with Excel 2010 when zoom is NOT 100%.
to verify this, could please please try to set the zoom to 100% for
your EPM report in question. and observe if refreshing performance is
recovered?.
Quite annoying, isn't it? -
Issue with OM relationship structure when using report RHSTRU00
In HR, one Person (P) is attached to only one Central Person (CP). So, when we run the report with date period as of Today, we expect a Tree structure in the output with P-CP relationships displayed. However, we see that the report displays one Person attached to many CPs.
The program fetches the 1 P to 1 CP combination. However, it deletes all Persons who are not Active as of today but does not delete the CP. It then attaches all CPs to the first Active Person it can find.
This is a serious bug since it shows data which is different from what exists in the system. In our systems as would be in any HR system in the world, One person can be attached to only one CP and the program shows that the Person is attached to many CPs.
I opened a OSS message but SAP refused to correct this bug.
Has anybody else ever encountered the same issue and do you have a solution to this?I checked the report, and it certainly returns incorrect data, I found exactly what you say regarding active/inactive persons.
What is SAP's reason for not looking into this? It would be interesting to hear their argumentation for this not being a bug.
It may be that SAP expects RHSTRU00 to be called only for active persons? This would require running another report first to get the input for RHSTRU00. This seems like a strange prerequisite for the program, and I do not understand why SAP don't see this as a bug. The error seems rather obvious and reproducable.
I often find that I have to push to get passed first line of support to have SAP see the problem. It is tiring, but I have found this to be the fact far too often.
PS - we never use the program like this, so we do not face the problem ourselves.
/Kirsten -
Issue with inserting edit item form using sharepoint designer 2013
Hi,
I inserted an edit form of a custom list in a site page using sharepoint designer-2013. But it is giving error "no item exists".
I am using default ListItemId Parameter with ID query string and I passed the query string parameter to that page. But still the result is same. But if I give any default value, page is displaying fine for that specific item although I dont pass any querystring
to the page URL.
Can you please guide me?
Thanks in advance.
Regards,
ChaitanyaHi,
From your description, I know you get issue when you add “edit form” of custom list to a page.
I tried to reproduce your issue, and if I added “edit form” to page without “Advanced Mode”.
I add “edit form” to page with steps below:
Right click the page, click “Edit File in Advanced Mode”.
Find source with keywords [ContentPlaceHolderId="PlaceHolderMain"].
Choose INSERT tab in the Ribbon.
Click “Edit Item Form”, and choose the custom list that you want to add.
Save file, and go to the page.
The screenshot below is my result:
Best Regards,
Vincent Han
TechNet Community Support
Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact
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