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Message #59499
[Bug 247960] Re: Grub long sequential reads are extremely slow from USB2.0 HDD/FLASH drives
Someone who can still reproduce this issue should open a report
upstream. The kernel devs will never take a look at this otherwise.
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https://bugs.launchpad.net/bugs/247960
Title:
Grub long sequential reads are extremely slow from USB2.0 HDD/FLASH
drives
Status in GRand Unified Bootloader:
Confirmed
Status in “linux” package in Ubuntu:
Invalid
Bug description:
Grub long sequential reads are extremely slow from USB2.0 HDD/FLASH drives.
Reading vmlinuz(4.6MB) + initrd(18MB) takes several minutes (~0.5Mb/s)
Issues affects all grub versions until current in Natty (1.99~rc1-13ubuntu1).
But might be related to bad BIOS implementations.
Affected chipsets:
Intel 915 (todo)
Intel 965 (82801G)
Nvidia MCP79
Not-Affected chipsets:
Intel 965 (82801H)
Original description:
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 when I just reboot. I have an HP nw8440 laptop. I'm attaching my dmesg and lspci -vv output.
Old Update: I've found out that initrd is read really slowly and this
is causing the long delay during boot. Please read comment #27:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/247960/comments/27
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