** Changed in: grub
Status: Invalid = Confirmed
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https://bugs.launchpad.net/bugs/247960
Title:
initrd image is read really slowly when booting from USB2.0 HDD
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I am re-opening the bug.
** Description changed:
- I'm using Hardy. Nothing happens for 50 seconds during bootup. There is
- only a blinking cursor on the screen after the grub menu. After the 50
- seconds the splash screen appears. This problem only occurs on cold
- start, it doesn't happen
Hello!
I have a similar problem after installing Ubuntu Server 10.10 to an Eee PC 4G.
It seems to be frozen for 30 seconds after select a boot entry in the grub menu
and
then the kernel starts.
I opened an interactive grub shell and entered the grub commands manually.
After enter linux ... (4 MB
I'm setting this to invalid as I've lost this Ubuntu installation.
(Kernel panic on boot, couldn't fix it. I wasn't doing anything nasty,
but something just went wrong.)
** Changed in: grub
Status: New = Invalid
** Changed in: linux (Ubuntu)
Status: Triaged = Invalid
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initrd
valus: as I mentioned above, if I enter the BIOS right after turning on
the laptop and then exit it immediately the laptop restarts and I won't
have the delay. Why do you think this is? I only have the delay at a
cold boot, not when rebooting.
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initrd image is read really slowly when booting
According to wikipedia USB1.0 has a speed of 183 KB/sec. My initrd image
is 7.5 MBs. 7500/183=41. And I have around 40 seconds delay during boot.
So my USB 2.0 HDD is treated as a USB 1.0 device? And not even USB 1.1.
That's odd.
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initrd image is read really slowly when booting from USB2.0 HDD
Adam - I don't know if there is something else involved, but I saw a ~40
sec delay on a couple of Acer notebooks I borrowed (on the BIOS screen
the external hdd was recognized as USB 1.1). On the same hdd connected
to a Sony notebook (BIOS showed USB 2.0) ubuntu booted instantly.
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initrd image
Anyway like I said before the 1.x problem is only at boot time, later
when your os loads your hdd is treated as a 2.0 device. So this is not a
bug in Grub, it's just poor quality firmware... (the notebooks i tried
were just 1 or 2 years old).
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initrd image is read really slowly when booting
I doubt the problem is in Grub. This happens when the BIOS doesn't
support USB 2.0 at BOOT TIME, so it uses the slower 1.1 (you should see
your hdd recognized as a 1.1 device when the system is starting). Once
your OS loads, you have full 2.0 support, that's why lspci output is
useless in this
Always had this same problem since Ubuntu 8 on Acer Travelmate 6292 and
other laptops. ONLY happens when running Ubuntu from an external (USB)
2.5 HDD. I also tried 9.04 and 9.10 (Grub 2), and bought a different
external HDD, but nothing changes, GRUB is still slow (about 20-30
seconds before the
I have a similar delay problem using an external USB 2.0 hard drive. I
boot up from it using karmic 32bit using Grub2. The external drive is
IDE (PATA), 320GB, the file system is ext3, power comes from two USB
connections. Does the same issue exist on SATAII external hard drives
driven by USB
BTW I use Reiser (v3) as a file system. Adam, Nicolas, what filesystem
are you using?
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initrd image is read really slowly when booting from USB2.0 HDD
https://bugs.launchpad.net/bugs/247960
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bwallum, one of the external HDDs I tried is a USB-powered SATAII drive
and I get the same delay.
It looks like it's not due to the filesystem, kernel or distro version
difference. Perhaps the problem has something to do with Grub's (and
Grub2's) method of accessing external USB disks and/or
syntag: I'm using ext3.
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initrd image is read really slowly when booting from USB2.0 HDD
https://bugs.launchpad.net/bugs/247960
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I have this problem with both ext3 and ext4.
I agree with your diagnostic syntag.
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initrd image is read really slowly when booting from USB2.0 HDD
https://bugs.launchpad.net/bugs/247960
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Apparently the filesystem you choose only affects the mount time, which
happens after Grub's Starting up message. With reiserfs I saw a delay
of 1 or 2 seconds, with ext2 and ext3 no noticeable delay.
The 30-40 seconds delay problem appears (at least in my case) BEFORE
that message even appears,
Ok, I saw many reports at ubuntuforums, launchpad, etc. where users
complain about Grub loading slowly when the boot partition or MBR is not
on sda. An usb disk is usually sdb, sdc... Moreover, when installing
Ubuntu on sda my notebooks boot instantly. I'll check out Grub's source
code, but I seem
I had to reinstall grub2 after upgrading to Karmic because something was
messed up and it's still slow.
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initrd image is read really slowly when booting from USB2.0 HDD
https://bugs.launchpad.net/bugs/247960
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after live cd boot
{{{
sudo su -
}}}
= prepare chroot =
{{{
mount /dev/sda3 /mnt
mount /dev/sda1 /mnt/boot
mount -t proc /proc /mnt/proc
mount -o bind /dev /mnt/dev
}}}
== chroot ==
{{{
chroot /mnt
}}}
== remount boot ==
for some unknown reason this was neccesary
{{{
umount /boot
mount /dev/sda1
Still an issue in Karmic.
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initrd image is read really slowly when booting from USB2.0 HDD
https://bugs.launchpad.net/bugs/247960
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I solved it by reinstalling the MBR by grub.
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initrd image is read really slowly when booting from USB2.0 HDD
https://bugs.launchpad.net/bugs/247960
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Could you tell me how exactly have you done that?
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initrd image is read really slowly when booting from USB2.0 HDD
https://bugs.launchpad.net/bugs/247960
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same problem with an uptodate 2009-11-12 jaunty on an internal drive.
currently I have the blinking cursor on 2 systems. Before the last
online update they were both working fine.
I have no idea when it continues with the bootup sequence. waiting of
10mins nothing has happened
--
initrd image
Same bug here with an up-to-date Koala. (a 30 seconds delay on a USB2
HDD)
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initrd image is read really slowly when booting from USB2.0 HDD
https://bugs.launchpad.net/bugs/247960
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