[Touch-packages] [Bug 1892290] Re: PXE load Focal initrd.img-5.4.0-42-generic always timeout
Hi @cleary, only need to update grub efi on your tftp server. I use
grub-mknetdir cmd to do it. Like
https://github.com/openstack/ironic/blob/master/devstack/lib/ironic#L2673-L2674
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https://bugs.launchpad.net/bugs/1892290
Title:
PXE load Focal initrd.img-5.4.0-42-generic always timeout
Status in grub2 package in Ubuntu:
Confirmed
Status in initramfs-tools package in Ubuntu:
Confirmed
Bug description:
PXE booting Focal initrd always gets a timeout, but PXE booting Bionic initrd
works
error: timeout reading `initrd.img-5.4.0-42-generic'.
grub.cfg
menuentry "boot_iscsi" {
linux vmlinuz-5.4.0-42-generic ...
initrd initrd.img-5.4.0-42-generic
}
grub, kernel and initrd get from Focal boot dir
$ cp /usr/lib/grub/arm64-efi-signed/grubnetaa64.efi.signed
~/tftproot/grubaa64.efi
$ cp /boot/vmlinuz-5.4.0-42-generic ~/tftproot/
$ cp /boot/initrd.img-5.4.0-42-generic ~/tftproot/
hardware
Real aarch64 server or qemu-system-aarch64 machine
software
$ apt search grub-efi-arm64
Sorting... Done
Full Text Search... Done
grub-efi-arm64/focal-updates,focal-security,now 2.04-1ubuntu26.2 arm64
[installed]
GRand Unified Bootloader, version 2 (ARM64 UEFI version)
grub-efi-arm64-bin/focal-updates,focal-security,now 2.04-1ubuntu26.2 arm64
[installed,automatic]
GRand Unified Bootloader, version 2 (ARM64 UEFI modules)
grub-efi-arm64-dbg/focal-updates,focal-security 2.04-1ubuntu26.2 arm64
GRand Unified Bootloader, version 2 (ARM64 UEFI debug files)
grub-efi-arm64-signed/focal-updates,focal-security,now
1.142.4+2.04-1ubuntu26.2 arm64 [installed]
GRand Unified Bootloader, version 2 (EFI-ARM64 version, signed)
grub-efi-arm64-signed-template/focal-updates,focal-security 2.04-1ubuntu26.2
arm64
GRand Unified Bootloader, version 2 (ARM64 UEFI signing template)
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:Ubuntu 20.04 LTS
Release:20.04
Codename: focal
$ uname -a
Linux j12-d05-07 5.4.0-42-generic #1 SMP Tue Jul 7 02:48:00 GMT 2020 aarch64
aarch64 aarch64 GNU/Linux
To manage notifications about this bug go to:
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[Touch-packages] [Bug 1892290] Re: PXE load Focal initrd.img-5.4.0-42-generic always timeout
To be noted that this issue also exists in Debian 10 and Ubuntu 18.04.
Because they all has commit 781b3e5efc3 (tftp: Do not use priority
queue).
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You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1892290
Title:
PXE load Focal initrd.img-5.4.0-42-generic always timeout
Status in grub2 package in Ubuntu:
Confirmed
Status in initramfs-tools package in Ubuntu:
Confirmed
Bug description:
PXE booting Focal initrd always gets a timeout, but PXE booting Bionic initrd
works
error: timeout reading `initrd.img-5.4.0-42-generic'.
grub.cfg
menuentry "boot_iscsi" {
linux vmlinuz-5.4.0-42-generic ...
initrd initrd.img-5.4.0-42-generic
}
grub, kernel and initrd get from Focal boot dir
$ cp /usr/lib/grub/arm64-efi-signed/grubnetaa64.efi.signed
~/tftproot/grubaa64.efi
$ cp /boot/vmlinuz-5.4.0-42-generic ~/tftproot/
$ cp /boot/initrd.img-5.4.0-42-generic ~/tftproot/
hardware
Real aarch64 server or qemu-system-aarch64 machine
software
$ apt search grub-efi-arm64
Sorting... Done
Full Text Search... Done
grub-efi-arm64/focal-updates,focal-security,now 2.04-1ubuntu26.2 arm64
[installed]
GRand Unified Bootloader, version 2 (ARM64 UEFI version)
grub-efi-arm64-bin/focal-updates,focal-security,now 2.04-1ubuntu26.2 arm64
[installed,automatic]
GRand Unified Bootloader, version 2 (ARM64 UEFI modules)
grub-efi-arm64-dbg/focal-updates,focal-security 2.04-1ubuntu26.2 arm64
GRand Unified Bootloader, version 2 (ARM64 UEFI debug files)
grub-efi-arm64-signed/focal-updates,focal-security,now
1.142.4+2.04-1ubuntu26.2 arm64 [installed]
GRand Unified Bootloader, version 2 (EFI-ARM64 version, signed)
grub-efi-arm64-signed-template/focal-updates,focal-security 2.04-1ubuntu26.2
arm64
GRand Unified Bootloader, version 2 (ARM64 UEFI signing template)
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:Ubuntu 20.04 LTS
Release:20.04
Codename: focal
$ uname -a
Linux j12-d05-07 5.4.0-42-generic #1 SMP Tue Jul 7 02:48:00 GMT 2020 aarch64
aarch64 aarch64 GNU/Linux
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1892290/+subscriptions
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[Touch-packages] [Bug 1892290] Re: PXE load Focal initrd.img-5.4.0-42-generic always timeout
Verified that focal grub2 with above commit works.
grub> linux vmlinuz-5.4.0-47-generic
grub> echo $?
0
grub> initrd initrd.img-5.4.0-47-generic
grub> echo $?
0
Rebuild grub2 deb with above commit and install
$ git clone -b applied/ubuntu/focal-updates
https://git.launchpad.net/ubuntu/+source/grub2
$ cd grub2; git cherry-pick a6838bbc6726ad624bd2b94991f690b8e9d23c69 (which
fetch from https://git.savannah.gnu.org/git/grub.git)
$ sudo apt-get build-dep grub2
$ dpkg-buildpackage -rfakeroot -b
$ cd ../; sudo apt install ./*.deb
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to initramfs-tools in Ubuntu.
https://bugs.launchpad.net/bugs/1892290
Title:
PXE load Focal initrd.img-5.4.0-42-generic always timeout
Status in grub2 package in Ubuntu:
Confirmed
Status in initramfs-tools package in Ubuntu:
Confirmed
Bug description:
PXE booting Focal initrd always gets a timeout, but PXE booting Bionic initrd
works
error: timeout reading `initrd.img-5.4.0-42-generic'.
grub.cfg
menuentry "boot_iscsi" {
linux vmlinuz-5.4.0-42-generic ...
initrd initrd.img-5.4.0-42-generic
}
grub, kernel and initrd get from Focal boot dir
$ cp /usr/lib/grub/arm64-efi-signed/grubnetaa64.efi.signed
~/tftproot/grubaa64.efi
$ cp /boot/vmlinuz-5.4.0-42-generic ~/tftproot/
$ cp /boot/initrd.img-5.4.0-42-generic ~/tftproot/
hardware
Real aarch64 server or qemu-system-aarch64 machine
software
$ apt search grub-efi-arm64
Sorting... Done
Full Text Search... Done
grub-efi-arm64/focal-updates,focal-security,now 2.04-1ubuntu26.2 arm64
[installed]
GRand Unified Bootloader, version 2 (ARM64 UEFI version)
grub-efi-arm64-bin/focal-updates,focal-security,now 2.04-1ubuntu26.2 arm64
[installed,automatic]
GRand Unified Bootloader, version 2 (ARM64 UEFI modules)
grub-efi-arm64-dbg/focal-updates,focal-security 2.04-1ubuntu26.2 arm64
GRand Unified Bootloader, version 2 (ARM64 UEFI debug files)
grub-efi-arm64-signed/focal-updates,focal-security,now
1.142.4+2.04-1ubuntu26.2 arm64 [installed]
GRand Unified Bootloader, version 2 (EFI-ARM64 version, signed)
grub-efi-arm64-signed-template/focal-updates,focal-security 2.04-1ubuntu26.2
arm64
GRand Unified Bootloader, version 2 (ARM64 UEFI signing template)
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:Ubuntu 20.04 LTS
Release:20.04
Codename: focal
$ uname -a
Linux j12-d05-07 5.4.0-42-generic #1 SMP Tue Jul 7 02:48:00 GMT 2020 aarch64
aarch64 aarch64 GNU/Linux
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1892290/+subscriptions
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[Touch-packages] [Bug 1892290] Re: PXE load Focal initrd.img-5.4.0-42-generic always timeout
Similar bug: https://bugzilla.redhat.com/show_bug.cgi?id=1869987
I've tried boot by cmdline, looks the same issue.
grub> linux vmlinuz-5.4.0-47-generic
grub> echo $?
0
grub> initrd initrd.img-5.4.0-47-generic
error: timeout reading `initrd.img-5.4.0-47-generic'.
grub> echo $?
28
It looks like it is caused by Commit 781b3e5efc3 (tftp: Do not use priority
queue) .
And bellow upstream commit can fix it.
commit a6838bbc6726ad624bd2b94991f690b8e9d23c69
Author: Javier Martinez Canillas
Date: Thu Sep 10 17:17:57 2020 +0200
tftp: Roll-over block counter to prevent data packets timeouts
Commit 781b3e5efc3 (tftp: Do not use priority queue) caused a regression
when fetching files over TFTP whose size is bigger than 65535 * block size.
grub> linux /images/pxeboot/vmlinuz
grub> echo $?
0
grub> initrd /images/pxeboot/initrd.img
error: timeout reading '/images/pxeboot/initrd.img'.
grub> echo $?
28
It is caused by the block number counter being a 16-bit field, which leads
to a maximum file size of ((1 << 16) - 1) * block size. Because GRUB sets
the block size to 1024 octets (by using the TFTP Blocksize Option from RFC
2348 [0]), the maximum file size that can be transferred is 67107840 bytes.
The TFTP PROTOCOL (REVISION 2) RFC 1350 [1] does not mention what a client
should do when a file size is bigger than the maximum, but most TFTP hosts
support the block number counter to be rolled over. That is, acking a data
packet with a block number of 0 is taken as if the 65356th block was acked.
It was working before because the block counter roll-over was happening due
an overflow. But that got fixed by the mentioned commit, which led to the
regression when attempting to fetch files larger than the maximum size.
To allow TFTP file transfers of unlimited size again, re-introduce a block
counter roll-over so the data packets are acked preventing the timeouts.
[0]: https://tools.ietf.org/html/rfc2348
[1]: https://tools.ietf.org/html/rfc1350
Fixes: 781b3e5efc3 (tftp: Do not use priority queue)
Suggested-by: Peter Jones
Signed-off-by: Javier Martinez Canillas
Reviewed-by: Daniel Kiper
** Bug watch added: Red Hat Bugzilla #1869987
https://bugzilla.redhat.com/show_bug.cgi?id=1869987
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to initramfs-tools in Ubuntu.
https://bugs.launchpad.net/bugs/1892290
Title:
PXE load Focal initrd.img-5.4.0-42-generic always timeout
Status in grub2 package in Ubuntu:
Confirmed
Status in initramfs-tools package in Ubuntu:
Confirmed
Bug description:
PXE booting Focal initrd always gets a timeout, but PXE booting Bionic initrd
works
error: timeout reading `initrd.img-5.4.0-42-generic'.
grub.cfg
menuentry "boot_iscsi" {
linux vmlinuz-5.4.0-42-generic ...
initrd initrd.img-5.4.0-42-generic
}
grub, kernel and initrd get from Focal boot dir
$ cp /usr/lib/grub/arm64-efi-signed/grubnetaa64.efi.signed
~/tftproot/grubaa64.efi
$ cp /boot/vmlinuz-5.4.0-42-generic ~/tftproot/
$ cp /boot/initrd.img-5.4.0-42-generic ~/tftproot/
hardware
Real aarch64 server or qemu-system-aarch64 machine
software
$ apt search grub-efi-arm64
Sorting... Done
Full Text Search... Done
grub-efi-arm64/focal-updates,focal-security,now 2.04-1ubuntu26.2 arm64
[installed]
GRand Unified Bootloader, version 2 (ARM64 UEFI version)
grub-efi-arm64-bin/focal-updates,focal-security,now 2.04-1ubuntu26.2 arm64
[installed,automatic]
GRand Unified Bootloader, version 2 (ARM64 UEFI modules)
grub-efi-arm64-dbg/focal-updates,focal-security 2.04-1ubuntu26.2 arm64
GRand Unified Bootloader, version 2 (ARM64 UEFI debug files)
grub-efi-arm64-signed/focal-updates,focal-security,now
1.142.4+2.04-1ubuntu26.2 arm64 [installed]
GRand Unified Bootloader, version 2 (EFI-ARM64 version, signed)
grub-efi-arm64-signed-template/focal-updates,focal-security 2.04-1ubuntu26.2
arm64
GRand Unified Bootloader, version 2 (ARM64 UEFI signing template)
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:Ubuntu 20.04 LTS
Release:20.04
Codename: focal
$ uname -a
Linux j12-d05-07 5.4.0-42-generic #1 SMP Tue Jul 7 02:48:00 GMT 2020 aarch64
aarch64 aarch64 GNU/Linux
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1892290/+subscriptions
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[Touch-packages] [Bug 1892290] Re: PXE load Focal initrd.img-5.4.0-42-generic always timeout
Any progress on this bug? @janitor
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to initramfs-tools in Ubuntu.
https://bugs.launchpad.net/bugs/1892290
Title:
PXE load Focal initrd.img-5.4.0-42-generic always timeout
Status in grub2 package in Ubuntu:
Confirmed
Status in initramfs-tools package in Ubuntu:
Confirmed
Bug description:
PXE booting Focal initrd always gets a timeout, but PXE booting Bionic initrd
works
error: timeout reading `initrd.img-5.4.0-42-generic'.
grub.cfg
menuentry "boot_iscsi" {
linux vmlinuz-5.4.0-42-generic ...
initrd initrd.img-5.4.0-42-generic
}
grub, kernel and initrd get from Focal boot dir
$ cp /usr/lib/grub/arm64-efi-signed/grubnetaa64.efi.signed
~/tftproot/grubaa64.efi
$ cp /boot/vmlinuz-5.4.0-42-generic ~/tftproot/
$ cp /boot/initrd.img-5.4.0-42-generic ~/tftproot/
hardware
Real aarch64 server or qemu-system-aarch64 machine
software
$ apt search grub-efi-arm64
Sorting... Done
Full Text Search... Done
grub-efi-arm64/focal-updates,focal-security,now 2.04-1ubuntu26.2 arm64
[installed]
GRand Unified Bootloader, version 2 (ARM64 UEFI version)
grub-efi-arm64-bin/focal-updates,focal-security,now 2.04-1ubuntu26.2 arm64
[installed,automatic]
GRand Unified Bootloader, version 2 (ARM64 UEFI modules)
grub-efi-arm64-dbg/focal-updates,focal-security 2.04-1ubuntu26.2 arm64
GRand Unified Bootloader, version 2 (ARM64 UEFI debug files)
grub-efi-arm64-signed/focal-updates,focal-security,now
1.142.4+2.04-1ubuntu26.2 arm64 [installed]
GRand Unified Bootloader, version 2 (EFI-ARM64 version, signed)
grub-efi-arm64-signed-template/focal-updates,focal-security 2.04-1ubuntu26.2
arm64
GRand Unified Bootloader, version 2 (ARM64 UEFI signing template)
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:Ubuntu 20.04 LTS
Release:20.04
Codename: focal
$ uname -a
Linux j12-d05-07 5.4.0-42-generic #1 SMP Tue Jul 7 02:48:00 GMT 2020 aarch64
aarch64 aarch64 GNU/Linux
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1892290/+subscriptions
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[Touch-packages] [Bug 1892290] Re: PXE load Focal initrd.img-5.4.0-42-generic always timeout
Yes, focal initrd is a little larger than bionic one.
$ ls -lh /boot/initrd.img-5.4.0-42-generic
-rw-r--r-- 1 root root 81M Jul 22 06:35 /boot/initrd.img-5.4.0-42-generic
$ ls -lh bm-ubuntu-bionic.initrd
-rw-r--r-- 1 root root 52M Aug 10 03:49 bm-ubuntu-bionic.initrd
But not sure if it is related to size. I have tried a more larger initrd which
works too.
$ ls -lh ipa-ubuntu-bionic.initramfs
-rw-rw-r-- 1 stack stack 470M Jul 27 10:00 ipa-ubuntu-bionic.initramfs
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to initramfs-tools in Ubuntu.
https://bugs.launchpad.net/bugs/1892290
Title:
PXE load Focal initrd.img-5.4.0-42-generic always timeout
Status in grub2 package in Ubuntu:
New
Status in initramfs-tools package in Ubuntu:
New
Bug description:
PXE booting Focal initrd always gets a timeout, but PXE booting Bionic initrd
works
error: timeout reading `initrd.img-5.4.0-42-generic'.
grub.cfg
menuentry "boot_iscsi" {
linux vmlinuz-5.4.0-42-generic ...
initrd initrd.img-5.4.0-42-generic
}
grub, kernel and initrd get from Focal boot dir
$ cp /usr/lib/grub/arm64-efi-signed/grubnetaa64.efi.signed
~/tftproot/grubaa64.efi
$ cp /boot/vmlinuz-5.4.0-42-generic ~/tftproot/
$ cp /boot/initrd.img-5.4.0-42-generic ~/tftproot/
hardware
Real aarch64 server or qemu-system-aarch64 machine
software
$ apt search grub-efi-arm64
Sorting... Done
Full Text Search... Done
grub-efi-arm64/focal-updates,focal-security,now 2.04-1ubuntu26.2 arm64
[installed]
GRand Unified Bootloader, version 2 (ARM64 UEFI version)
grub-efi-arm64-bin/focal-updates,focal-security,now 2.04-1ubuntu26.2 arm64
[installed,automatic]
GRand Unified Bootloader, version 2 (ARM64 UEFI modules)
grub-efi-arm64-dbg/focal-updates,focal-security 2.04-1ubuntu26.2 arm64
GRand Unified Bootloader, version 2 (ARM64 UEFI debug files)
grub-efi-arm64-signed/focal-updates,focal-security,now
1.142.4+2.04-1ubuntu26.2 arm64 [installed]
GRand Unified Bootloader, version 2 (EFI-ARM64 version, signed)
grub-efi-arm64-signed-template/focal-updates,focal-security 2.04-1ubuntu26.2
arm64
GRand Unified Bootloader, version 2 (ARM64 UEFI signing template)
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:Ubuntu 20.04 LTS
Release:20.04
Codename: focal
$ uname -a
Linux j12-d05-07 5.4.0-42-generic #1 SMP Tue Jul 7 02:48:00 GMT 2020 aarch64
aarch64 aarch64 GNU/Linux
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1892290/+subscriptions
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[Touch-packages] [Bug 1892290] Re: PXE load Focal initrd.img-5.4.0-42-generic always timeout
Note that PXE booting Bionic initrd works.
Even though change the initrd compress to gz, it still gets timeout
$ unmkinitramfs initrd.img-5.4.0-42-generic ubuntu-focal-initrd/
$ cd ubuntu-focal-initrd/; find . | cpio -H newc -o | gzip >
../ubuntu-focal-new.initrd
** Also affects: initramfs-tools (Ubuntu)
Importance: Undecided
Status: New
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to initramfs-tools in Ubuntu.
https://bugs.launchpad.net/bugs/1892290
Title:
PXE load Focal initrd.img-5.4.0-42-generic always timeout
Status in grub2 package in Ubuntu:
New
Status in initramfs-tools package in Ubuntu:
New
Bug description:
PXE booting Focal initrd always gets a timeout, but PXE booting Bionic initrd
works
error: timeout reading `initrd.img-5.4.0-42-generic'.
grub.cfg
menuentry "boot_iscsi" {
linux vmlinuz-5.4.0-42-generic ...
initrd initrd.img-5.4.0-42-generic
}
grub, kernel and initrd get from Focal boot dir
$ cp /usr/lib/grub/arm64-efi-signed/grubnetaa64.efi.signed
~/tftproot/grubaa64.efi
$ cp /boot/vmlinuz-5.4.0-42-generic ~/tftproot/
$ cp /boot/initrd.img-5.4.0-42-generic ~/tftproot/
hardware
Real aarch64 server or qemu-system-aarch64 machine
software
$ apt search grub-efi-arm64
Sorting... Done
Full Text Search... Done
grub-efi-arm64/focal-updates,focal-security,now 2.04-1ubuntu26.2 arm64
[installed]
GRand Unified Bootloader, version 2 (ARM64 UEFI version)
grub-efi-arm64-bin/focal-updates,focal-security,now 2.04-1ubuntu26.2 arm64
[installed,automatic]
GRand Unified Bootloader, version 2 (ARM64 UEFI modules)
grub-efi-arm64-dbg/focal-updates,focal-security 2.04-1ubuntu26.2 arm64
GRand Unified Bootloader, version 2 (ARM64 UEFI debug files)
grub-efi-arm64-signed/focal-updates,focal-security,now
1.142.4+2.04-1ubuntu26.2 arm64 [installed]
GRand Unified Bootloader, version 2 (EFI-ARM64 version, signed)
grub-efi-arm64-signed-template/focal-updates,focal-security 2.04-1ubuntu26.2
arm64
GRand Unified Bootloader, version 2 (ARM64 UEFI signing template)
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:Ubuntu 20.04 LTS
Release:20.04
Codename: focal
$ uname -a
Linux j12-d05-07 5.4.0-42-generic #1 SMP Tue Jul 7 02:48:00 GMT 2020 aarch64
aarch64 aarch64 GNU/Linux
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1892290/+subscriptions
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