[Bug 944347] Re: linux and initrd load very slowly on UEFI system
Launchpad Bug Tracker
944347 at bugs.launchpad.net
Tue Mar 6 14:15:13 UTC 2012
This bug was fixed in the package grub2 - 1.99-16ubuntu1
---------------
grub2 (1.99-16ubuntu1) precise; urgency=low
* Resynchronise with Debian. Remaining changes:
- Adjust for default Ubuntu boot options ("quiet splash").
- Default to hiding the menu; holding down Shift at boot will show it.
- Set a monochromatic theme and an appropriate background for Ubuntu.
- Apply Ubuntu GRUB Legacy changes to legacy update-grub script.
- Fix backslash-escaping in merge_debconf_into_conf.
- Remove "GNU/Linux" from default distributor string.
- Add crashkernel option.
- Bypass menu unless other OSes are installed or Shift is pressed.
- Allow Shift to interrupt 'sleep --interruptible'.
- Reduce visual clutter in normal mode.
- Remove verbose messages printed before reading configuration.
- Suppress kernel/initrd progress messages, except in recovery mode.
- Show the boot menu if the previous boot failed.
- Don't generate device.map during grub-install or grub-mkconfig.
- Adjust upgrade version checks for Ubuntu.
- Suppress "GRUB loading" message unless Shift is held down.
- Adjust versions of grub-doc and grub-legacy-doc conflicts.
- Fix LVM/RAID probing in the absence of /boot/grub/device.map.
- Look for .mo files in /usr/share/locale-langpack first.
- Build-depend on qemu-kvm rather than qemu-system for grub-pc tests.
- Check hardware support before using gfxpayload=keep.
- Put second and subsequent Linux menu entries in a submenu.
- Preferred resolution detection for VBE.
- Set vt.handoff=7 for smooth handoff to kernel graphical mode.
- Update default/grub.md5sum to include maverick's default md5sum.
- In recovery mode, add nomodeset to the Linux kernel arguments, and
remove the 'set gfxpayload=keep' command.
- Skip Windows os-prober entries on Wubi systems, and suppress the menu
by default if those are the only other-OS entries.
- Handle probing striped DM-RAID devices.
- Replace 'single' by 'recovery' when friendly-recovery is installed.
* Use qemu -no-kvm in tests for now to work around LP #947597.
* Disable cursor as early as possible in grub_main (LP: #861048).
grub2 (1.99-16) unstable; urgency=low
* Backport from upstream:
- Build with -fno-asynchronous-unwind-tables to save space (closes:
#662787).
grub2 (1.99-15) unstable; urgency=low
[ Adam Conrad ]
* grub.cfg_400.patch: Redirect grep stdout to /dev/null since
grub-mkconfig is "exec > grub.cfg.new", which causes grep's input
and output to be the same FD (LP: #934269) (closes: #652972)
* efi_disk_cache.patch: Bump the disk cache on EFI systems to
dramatically reduce load times for vmlinux/initrd (LP: #944347)
[ Colin Watson ]
* no_libzfs.patch: Use xasprintf rather than asprintf.
* Backport from upstream:
- Rewrite XFS btree parsing; fixes invalid BMAP (closes: #657776).
- Handle newer autotools, and add some missing quotes in the process.
(Note that this moves grub-mkconfig_lib and update-grub_lib to
/usr/share/grub; I added links in /usr/lib/grub for compatibility.)
- Fix incorrect identifiers in bash-completion (closes: #661415).
- Add support for GRUB_CMDLINE_GNUMACH (closes: #660493).
* Build with GCC 4.6 (closes: #654727).
[ Debconf translations ]
* Dutch (Jeroen Schot). Closes: #651275
* Bulgarian (Damyan Ivanov). Closes: #653356
* Icelandic (Sveinn í Felli).
* Ukrainian (Yatsenko Alexandr). Closes: #654294
* Italian (Luca Monducci). Closes: #654304
* Thai (Theppitak Karoonboonyanan). Closes: #656551
* Uyghur (Abduqadir Abliz)
* Indonesian (Mahyuddin Susanto). Closes: #656705
* Hebrew (Omer Zak). Closes: #656852
* Turkish (Atila KOÇ). Closes: #656907
* Polish (Michał Kułach). Closes: #657265
* Asturian (Mikel González).
* Dzongkha (Dawa Pemo)
* Tamil (Dr.T.Vasudevan).
* Belarusian (Viktar Siarhiejczyk). Closes: #662615
-- Colin Watson <cjwatson at ubuntu.com> Tue, 06 Mar 2012 14:06:58 +0000
** Changed in: grub2 (Ubuntu)
Status: Fix Committed => Fix Released
--
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https://bugs.launchpad.net/bugs/944347
Title:
linux and initrd load very slowly on UEFI system
Status in “grub2” package in Ubuntu:
Fix Released
Bug description:
On a Intel Tunnel Mountain system, grub2 loads from disk very slowly
when booting with UEFI: about 53 seconds to execute a pair of "linux"
and "initrd" commands.
Expected behavior:
Load time for linux and initrd should be on order of 1 second.
Problem observed with:
grub2 (oneiric) 1.99-12ubuntu5
grub2 (precise) 1.99-14ubuntu2
Intel Tunnel Mountain UEFI BIOS version SDV.TM.B8 or SDV.TM.B9
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