[Kernel-packages] [Bug 1003309] Re: Boot fails after installing updates, error: “cryptsetup: evms_activate is not available"

2020-10-22 Thread Guilherme G. Piccoli
This is a somewhat old LP bug, but for completeness it worth mentioning here that recently some patches were merged on initramfs-tools and cryptsetup, that allow a good experience booting with LUKS-encrypted rootfs on top of a degraded RAID1 array; for details, please check:

[Kernel-packages] [Bug 1899515] Re: ZFS Modules Missing

2020-10-12 Thread Guilherme G. Piccoli
Tried that in a Focal VM, got: Loading new zfs-0.8.3 DKMS files... Building for 5.4.0-48-generic 5.9.0-050900daily20201012-generic [...] Building initial module for 5.9.0-050900daily20201012-generic ERROR (dkms apport): kernel package linux-headers-5.9.0-050900daily20201012-generic is not

[Kernel-packages] [Bug 1893837] Re: [RFE] Enable makedumpfile invocation from initramfs

2020-09-01 Thread Guilherme G. Piccoli
(Ubuntu) Status: New => Confirmed ** Changed in: makedumpfile (Ubuntu) Importance: Undecided => Medium ** Changed in: makedumpfile (Ubuntu) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) ** Tags added: sts -- You received this bug notification because you are

[Kernel-packages] [Bug 1879987] Re: machine get stuck at boot if specified 'console=ttyS* ' doesn't exist.

2020-07-23 Thread Guilherme G. Piccoli
ded Status: New ** Also affects: initramfs-tools (Ubuntu Trusty) Importance: Undecided Status: New ** Also affects: initramfs-tools (Ubuntu Groovy) Importance: High Assignee: Guilherme G. Piccoli (gpiccoli) Status: In Progress ** Changed in: initramfs-tools (Ubuntu E

[Kernel-packages] [Bug 1657281] Re: Ubuntu xenial - 4.4.0-59-generic i3 I/O performance issue

2020-07-15 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1657281 Title: Ubuntu xenial - 4.4.0-59-generic i3 I/O performance

[Kernel-packages] [Bug 1840043] Re: bcache: Performance degradation when querying priority_stats

2020-07-15 Thread Guilherme G. Piccoli
** Changed in: linux Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1840043 Title: bcache: Performance degradation when querying

[Kernel-packages] [Bug 1848739] Re: [linux] Patch to prevent possible data corruption

2020-07-15 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu) Status: Fix Committed => Fix Released ** Changed in: linux-azure (Ubuntu) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-azure in Ubuntu.

[Kernel-packages] [Bug 1775326] Re: The kernel NULL pointer dereference happens when accessing the task_struct by task_cpu() in function cpuacct_charge()

2020-07-15 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu) Status: Incomplete => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1775326 Title: The kernel NULL pointer dereference happens when

[Kernel-packages] [Bug 1779872] Re: snapd.seeded.service taking over 2 minutes to initialise (kernel crng regression?)

2020-07-15 Thread Guilherme G. Piccoli
** Changed in: snapd Status: Confirmed => Fix Released ** Also affects: linux (Ubuntu) Importance: Undecided Status: New ** Changed in: linux (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is

[Kernel-packages] [Bug 1456952] Re: support the slub_debug boot option on specific object size

2020-07-15 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu) Status: Incomplete => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1456952 Title: support the slub_debug boot option on specific

[Kernel-packages] [Bug 1469482] Re: Installer initrd missing kernel module for ib_ipoib network installation

2020-07-15 Thread Guilherme G. Piccoli
Thanks for the report! Since Trusty is no longer supported, except for security fixes, I'll mark this LP as Won't Fix - if it reproduces in newer Ubuntu releases, please let us know. By the way, maybe using kernel 4.4 (HWE) has a fix for this even in Trusty. Cheers, Guilherme ** Changed in:

[Kernel-packages] [Bug 1527062] Re: XFS Deadlock on 4.2+

2020-07-15 Thread Guilherme G. Piccoli
** Changed in: linux-lts-utopic (Ubuntu Trusty) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-lts-utopic in Ubuntu. https://bugs.launchpad.net/bugs/1527062 Title: XFS Deadlock on

[Kernel-packages] [Bug 1403282] Re: General protection fault on c->freelist broken with Trusty Tahr

2020-07-15 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu) Status: In Progress => Fix Released ** Changed in: linux (Ubuntu Trusty) Status: New => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1724614] Re: [KVM] Lower the default for halt_poll_ns to 200000 ns

2020-07-14 Thread Guilherme G. Piccoli
** No longer affects: linux (Ubuntu) ** No longer affects: linux (Ubuntu Xenial) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1724614 Title: [KVM] Lower the default for halt_poll_ns

[Kernel-packages] [Bug 1771480] Re: WARNING: CPU: 28 PID: 34085 at /build/linux-90Gc2C/linux-3.13.0/net/core/dev.c:1433 dev_disable_lro+0x87/0x90()

2020-07-14 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu) Status: Triaged => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1771480 Title: WARNING: CPU: 28 PID: 34085 at /build/linux-

[Kernel-packages] [Bug 1475204] Re: Fix kmalloc slab creation sequence

2020-07-14 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu) Status: Triaged => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1475204 Title: Fix kmalloc slab creation sequence Status in linux

[Kernel-packages] [Bug 1869948] Re: Multiple Kexec in AWS Nitro instances fail

2020-07-14 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu) Status: Fix Committed => Fix Released ** No longer affects: linux (Ubuntu Disco) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1869948 Title:

[Kernel-packages] [Bug 1794877] Re: Crash in ixgbe, during tx packet xmit (while potentially changing queues number)

2020-07-14 Thread Guilherme G. Piccoli
We couldn't reproduce the bug and reporter cannot help in providing data, so we're marking as invalid. If anybody ever reproduces that, please ping here and reopen. Thanks, Guilherme ** Changed in: linux (Ubuntu) Status: In Progress => Invalid ** Changed in: linux (Ubuntu Xenial)

[Kernel-packages] [Bug 1800562] Re: Remove obsolete "nousb" option in kdump command-line for newer kernels

2020-07-14 Thread Guilherme G. Piccoli
** No longer affects: makedumpfile (Ubuntu Cosmic) ** No longer affects: makedumpfile (Ubuntu Disco) ** Also affects: makedumpfile (Ubuntu Focal) Importance: Undecided Status: New ** Also affects: makedumpfile (Ubuntu Groovy) Importance: High Assignee: Guilherme G. Piccoli

[Kernel-packages] [Bug 1800873] Re: Add KDUMP_CMDLINE_REMOVE option to remove portions of kernel command-line

2020-07-14 Thread Guilherme G. Piccoli
nce: Low Assignee: Guilherme G. Piccoli (gpiccoli) Status: Confirmed ** Also affects: makedumpfile (Ubuntu Eoan) Importance: Undecided Status: New ** Also affects: makedumpfile (Ubuntu Focal) Importance: Undecided Status: New ** Changed in: makedumpfile (Ubuntu E

[Kernel-packages] [Bug 1816743] Re: Add systemd's kdump service command-line regardless if user provides or not KDUMP_CMDLINE_APPEND

2020-07-14 Thread Guilherme G. Piccoli
** Changed in: makedumpfile (Ubuntu Xenial) Status: Confirmed => Won't Fix ** No longer affects: makedumpfile (Ubuntu Cosmic) ** No longer affects: makedumpfile (Ubuntu Disco) ** Also affects: makedumpfile (Ubuntu Groovy) Importance: Low Assignee: Guilherme G. Piccoli (gpicc

[Kernel-packages] [Bug 1851663] Re: Consistent autopkgtest failures on ppc64el/s390x

2020-07-14 Thread Guilherme G. Piccoli
** No longer affects: makedumpfile (Ubuntu Disco) ** Also affects: makedumpfile (Ubuntu Groovy) Importance: Medium Assignee: Thadeu Lima de Souza Cascardo (cascardo) Status: Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is

[Kernel-packages] [Bug 1749961] Re: xhci_hcd: TRB DMA errors reported with ASMedia ASM1142 USB 3.1 Controller

2020-07-14 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu Bionic) Status: In Progress => Confirmed ** Changed in: linux (Ubuntu Xenial) Status: In Progress => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1592597] Re: 3.13.0-88-generic:amd64 fails to boot on Dell PowerEdge R630

2020-07-14 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) ** Changed in: linux (Ubuntu Trusty) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) -- You received this bug notification because you are a member of Kernel Packages, which is subs

[Kernel-packages] [Bug 1845048] Re: Improve sysctl handling on kdump-tools

2020-07-14 Thread Guilherme G. Piccoli
untu Eoan) Status: Confirmed => In Progress ** Changed in: makedumpfile (Ubuntu Focal) Status: Confirmed => In Progress ** Also affects: makedumpfile (Ubuntu Groovy) Importance: Medium Assignee: Guilherme G. Piccoli (gpiccoli) Status: In Progress ** Tags added: sts -

[Kernel-packages] [Bug 1815033] Re: qlcnic: Firmware aborts/hangs in QLogic NIC

2020-07-14 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1815033 Title: qlcnic: Firmware aborts/hangs in QLogic NIC Status

[Kernel-packages] [Bug 1814095] Re: bnxt_en_po: TX timed out triggering Netdev Watchdog Timer

2020-07-14 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu) Status: Confirmed => Fix Released ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Nivedita Singhvi (niveditasinghvi) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1807393] Re: nvme - Polling on timeout

2020-07-14 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu) Status: In Progress => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1807393 Title: nvme - Polling on timeout Status in linux package

[Kernel-packages] [Bug 1764956] Re: Guests using IBRS incur a large performance penalty

2020-07-14 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu) Status: In Progress => Fix Released ** Changed in: linux (Ubuntu Trusty) Importance: Undecided => High ** Changed in: linux (Ubuntu Trusty) Assignee: (unassigned) => Gavin Guo (mimi0213kimo) -- You received this bug notification because you are a

[Kernel-packages] [Bug 1795659] Re: kernel panic using CIFS share in smb2_push_mandatory_locks()

2020-07-14 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-azure in Ubuntu. https://bugs.launchpad.net/bugs/1795659 Title: kernel panic using CIFS share in

[Kernel-packages] [Bug 1885010] Re: NULL deference in nfs4_get_valid_delegation

2020-07-03 Thread Guilherme G. Piccoli
Hi Elvis, both kernels (for Eoan and Focal) are officially released; the versions are 5.3.0-62 (Eoan) and 5.4.0-40 (Focal). Thanks for the report! Cheers, Guilherme ** Changed in: linux (Ubuntu Eoan) Status: Fix Committed => Fix Released ** Changed in: linux (Ubuntu Focal)

[Kernel-packages] [Bug 1885491] Re: firefor crashes ubuntu command terminal crashes

2020-06-29 Thread Guilherme G. Piccoli
Hi Sangam, I think this is bug is reported against the wrong component. Crash is a tool used to analyze crash dumps from kernel (kdump stuff), and it seems you are seeing crashed on..firefox? If not, what is firefor? If possible, give a more detailed explanation on what you are experiencing, and

[Kernel-packages] [Bug 1885010] Re: NULL deference in nfs4_get_valid_delegation

2020-06-25 Thread Guilherme G. Piccoli
That's great for me Elvis, whenever you can =) I'm glad you could build the kernel with the fix! Cheers, Guilherme -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1885010 Title: NULL

[Kernel-packages] [Bug 1885010] Re: NULL deference in nfs4_get_valid_delegation

2020-06-25 Thread Guilherme G. Piccoli
Oh, good news Elvis: just checked and 5.4.0-40 is available in -proposed. Can you give it a try? Thanks, Guilherme -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1885010 Title: NULL

[Kernel-packages] [Bug 1885010] Re: NULL deference in nfs4_get_valid_delegation

2020-06-25 Thread Guilherme G. Piccoli
Hi Matthew, thanks for looking into that! I was re-checking the Git tree, and the commit _is_ present on 5.4.0-38 but..not in 5.4.0-39 heheh And it's back on 5.4.0-40. What happened is that 5.4.0-39 was a security release, based on 5.4.0-37! So, it's basically 5.4.0-37 + 1 security patch. My

[Kernel-packages] [Bug 1885010] Re: NULL deference in nfs4_get_valid_delegation

2020-06-24 Thread Guilherme G. Piccoli
Thanks Elvis, no hurries. And no need to be ashamed, there's a bunch of tags/trees, and this is not released yet (just on proposed), so we're here to help =) Cheers, Guilherme -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in

[Kernel-packages] [Bug 1885010] Re: NULL deference in nfs4_get_valid_delegation

2020-06-24 Thread Guilherme G. Piccoli
Hi Elvis, thanks for you report! I've verified, and this fix is present on Focal kernel tag "Ubuntu-5.4.0-38.42" - can you give a try with our proposed kernel (currently it's version 5.4.0-39)? See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed.

[Kernel-packages] [Bug 1873809] Re: Make linux-kvm bootable in LXD VMs

2020-06-23 Thread Guilherme G. Piccoli
I'm not sure if it's related, but maybe worth the mention: could this be due to the initrd-less boot? I've noticed that in some VMs, it first fails to boot (it tries an initrd-less boot), reboots and then loads the initrd. This is an Ubuntu grub-thing, and you can prevent that by deleting a file

[Kernel-packages] [Bug 1874444] Re: Bionic ubuntu ethtool doesn't check ring parameters boundaries

2020-06-17 Thread Guilherme G. Piccoli
Great news Arthur, I'm glad the issue is solved! Thanks for the report and testing, Guilherme -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/187 Title: Bionic ubuntu ethtool

[Kernel-packages] [Bug 1869465] Re: Kdump-Tools: Makedumpfile Failed, Falling Back To 'Cp'

2020-06-16 Thread Guilherme G. Piccoli
You're very welcome mfo, thanks for following this SRU in order to get that released soon =) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to makedumpfile in Ubuntu. https://bugs.launchpad.net/bugs/1869465 Title: Kdump-Tools:

[Kernel-packages] [Bug 1869465] Re: Kdump-Tools: Makedumpfile Failed, Falling Back To 'Cp'

2020-06-16 Thread Guilherme G. Piccoli
Also, ppc64/s390 are being tracked here: https://bugs.launchpad.net/ubuntu/+source/makedumpfile/+bug/1851663 It's a common issue, and difficult to debug (if we run tests locally, we can't reproduce and they succeeed). Regarding i386, we should remove tests for i386 in Eoan and Focal. Cheers,

[Kernel-packages] [Bug 1874444] Re: Bionic ubuntu ethtool doesn't check ring parameters boundaries

2020-06-16 Thread Guilherme G. Piccoli
Hi Arthur, good news - there are currently Bionic and Xenial AMIs with the fix! I've tried the following AMIs, and they have the fix: ubuntu/images/hvm-ssd/ubuntu-bionic-18.04-amd64-server-20200610 - ami-025201fa53cf4d031 ubuntu/images/hvm-ssd/ubuntu-xenial-16.04-amd64-server-20200610 -

[Kernel-packages] [Bug 1879214] Re: Package makedumpfile 1:1.6.7-1ubuntu2(arm64) failed to makedumpfile:calculate_plat_config: PAGE SIZE 0x1000 and VA Bits 47 not supported

2020-06-15 Thread Guilherme G. Piccoli
Hi @chenrongwen and @tonihu, thanks for the reports! Could you please try makedumpfile version 1:1.6.7-1ubuntu2.1, available on -proposed pocket? There's an ARM64-specific fix there that might solve your problem. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable

[Kernel-packages] [Bug 1874444] Re: Bionic ubuntu ethtool doesn't check ring parameters boundaries

2020-06-15 Thread Guilherme G. Piccoli
Hi Arthur, I discussed this topic today with the responsible for AMIs on AWS, and I was then told that new AMIs should be built for testing next hours. After internal testing, they should get released, I don't have an ETA. Cheers, Guilherme -- You received this bug notification because you

[Kernel-packages] [Bug 1869672] Re: Kdump broken since 4.15.0-65 on secureboot - purgatory cannot load

2020-06-10 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1869672 Title: Kdump broken since 4.15.0-65 on secureboot -

[Kernel-packages] [Bug 1877858] Re: Improve TSC refinement (and calibration) reliability

2020-06-10 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu) Status: In Progress => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1877858 Title: Improve TSC refinement (and calibration)

[Kernel-packages] [Bug 1874444] Re: Bionic ubuntu ethtool doesn't check ring parameters boundaries

2020-06-10 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu) Status: In Progress => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/187 Title: Bionic ubuntu ethtool doesn't check ring

[Kernel-packages] [Bug 1877858] Re: Improve TSC refinement (and calibration) reliability

2020-06-01 Thread Guilherme G. Piccoli
Verified by code inspection on Bionic (4.15.0-102) and Xenial (4.4.0-180). I don't have a system with Skylake available; there's an user that experienced this and I'm waiting on his test, as soon as he responds, I'll comment here. But marking as verifying anyway based on the code lookup, we need

[Kernel-packages] [Bug 1845048] Re: /etc/default/kdump-tools KDUMP_SYSCTL does not set sysctl params

2020-05-30 Thread Guilherme G. Piccoli
I've reported a Debian bug with the proposed fixes; the merge report has the information about the approach used to deal with sysctl in kdump: https://salsa.debian.org/debian/makedumpfile/-/merge_requests/2 Cheers, Guilherme ** Bug watch added: Debian Bug tracker #961880

[Kernel-packages] [Bug 1804591] Re: tsc: Fast TSC calibration failed

2020-05-28 Thread Guilherme G. Piccoli
Thank you Paul for the pointer. I've just sent a ping in that thread..let's see how it goes. Cheers, Guilherme -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1804591 Title: tsc: Fast

[Kernel-packages] [Bug 1874444] Re: Bionic ubuntu ethtool doesn't check ring parameters boundaries

2020-05-27 Thread Guilherme G. Piccoli
I was able to verify it on AWS using the test procedure on description, in the following linux-aws proposed kernels: 4.4.0-1108-aws (Xenial / 16.04) 4.15.0-1068-aws (Bionic / 18.04) Also, I've done a code inspection in generic proposed kernels (4.4.0-180/Xenial and 4.15.0-102/Bionic) and the

[Kernel-packages] [Bug 1869672] Re: Kdump broken since 4.15.0-65 on secureboot - purgatory cannot load

2020-05-27 Thread Guilherme G. Piccoli
Great news yamato, thanks for testing. I'll mark it as verified. Thanks once more for the great bug report and all the help provided on testing! Cheers, Guilherme ** Tags removed: verification-needed-bionic ** Tags added: verification-done-bionic -- You received this bug notification because

[Kernel-packages] [Bug 1879987] Re: machine get stuck at boot if specified 'console=ttyS* ' doesn't exist.

2020-05-25 Thread Guilherme G. Piccoli
*** This bug is a duplicate of bug 1573095 *** https://bugs.launchpad.net/bugs/1573095 Although this is closed as dup, I thought would be good to clarify why Debian Buster doesn't reproduce (at first). What happens is that Debian includes the fsck on initrd by default, and in Ubuntu that

[Kernel-packages] [Bug 1869672] Re: Kdump broken since 4.15.0-65 on secureboot - purgatory cannot load

2020-05-25 Thread Guilherme G. Piccoli
Thanks a lot yamato, let us know how it goes =) Cheers, Guilherme -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1869672 Title: Kdump broken since 4.15.0-65 on secureboot - purgatory

[Kernel-packages] [Bug 1869672] Re: Kdump broken since 4.15.0-65 on secureboot - purgatory cannot load

2020-05-25 Thread Guilherme G. Piccoli
Hi yamato, did you have an opportunity to test the new package, to check if that fixes the problem for you? Thanks in advance, Guilherme ** Changed in: linux (Ubuntu) Status: In Progress => Fix Committed -- You received this bug notification because you are a member of Kernel

[Kernel-packages] [Bug 1879987] Re: machine get stuck at boot if specified 'console=ttyS* ' doesn't exist.

2020-05-22 Thread Guilherme G. Piccoli
*** This bug is a duplicate of bug 1573095 *** https://bugs.launchpad.net/bugs/1573095 Eric, I'll close this LP as dup of #1879987 - seems it's the same issue. I'll try also the Debian release top see what's different there...we can comment in the other bug about Debian status and what are

[Kernel-packages] [Bug 1879987] Re: machine get stuck at boot if specified 'console=ttyS* ' doesn't exist.

2020-05-22 Thread Guilherme G. Piccoli
*** This bug is a duplicate of bug 1573095 *** https://bugs.launchpad.net/bugs/1573095 Sorry, dup of LP #1573095. ** This bug has been marked a duplicate of bug 1573095 Cloud images fail to boot when a serial port is not available -- You received this bug notification because you are a

[Kernel-packages] [Bug 1879987] Re: machine get stuck at boot if specified 'console=ttyS* ' doesn't exist.

2020-05-21 Thread Guilherme G. Piccoli
This was greatly debugged by LP user WGH in https://bugs.launchpad.net /cloud-images/+bug/1573095/comments/46 - it's really a flaw on initramfs, I managed to workaround the issue with "quiet" parameter (system boots normally ,even with the wrong serial console). Investigation continues... I guess

[Kernel-packages] [Bug 1879987] Re: kernel get stuck at boot if specified 'console=ttyS* ' doesn't exist.

2020-05-21 Thread Guilherme G. Piccoli
** Attachment added: "console_issue.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1879987/+attachment/5375272/+files/console_issue.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1879987] Re: kernel get stuck at boot if specified 'console=ttyS* ' doesn't exist.

2020-05-21 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member

[Kernel-packages] [Bug 1879987] Re: kernel get stuck at boot if specified 'console=ttyS* ' doesn't exist.

2020-05-21 Thread Guilherme G. Piccoli
I've managed to reproduce in 4.4, 4.15, 5.4 (all from Ubuntu releases) and 5.7-rc4-next; also, I think bare-metal usually doesn't reproduce. Seems like a live-lock situation, I'll attach some calltraces I gathered using sysrqs. Cheers, Guilherme -- You received this bug notification because

[Kernel-packages] [Bug 1869672] Re: Kdump broken since 4.15.0-65 on secureboot - purgatory cannot load

2020-05-19 Thread Guilherme G. Piccoli
Hi yamato, the kernel with the fix was released to -proposed pocket. Could you give it a try? The instructions to install a proposed kernel are available at https://wiki.ubuntu.com/Testing/EnableProposed. The version in -proposed containing the fix for this issue is 4.15.0-102 . Thanks in

[Kernel-packages] [Bug 1877858] Re: Improve TSC refinement (and calibration) reliability

2020-05-10 Thread Guilherme G. Piccoli
SRU just submitted to kernel team mailing-list: https://lists.ubuntu.com/archives/kernel-team/2020-May/109698.html Cheers, Guilherme -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1877858] Re: Improve TSC refinement (and calibration) reliability

2020-05-10 Thread Guilherme G. Piccoli
c) Status: New => In Progress ** Changed in: linux (Ubuntu Bionic) Importance: Undecided => High ** Changed in: linux (Ubuntu Bionic) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) ** Changed in: linux (Ubuntu Xenial) Assignee: (unassigned) => Guilherme

[Kernel-packages] [Bug 1877858] [NEW] Improve TSC refinement (and calibration) reliability

2020-05-10 Thread Guilherme G. Piccoli
Public bug reported: To be elaborated soon. ** Affects: linux (Ubuntu) Importance: High Assignee: Guilherme G. Piccoli (gpiccoli) Status: In Progress ** Tags: sts -- You received this bug notification because you are a member of Kernel Packages, which is subscribed

[Kernel-packages] [Bug 1817918] Re: Hard lockups due to unrestricted lapic timer delay

2020-05-10 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1817918 Title: Hard lockups due to unrestricted lapic timer delay

[Kernel-packages] [Bug 1874444] Re: Bionic ubuntu ethtool doesn't check ring parameters boundaries

2020-05-10 Thread Guilherme G. Piccoli
SRU submitted to kernel mailing-list: https://lists.ubuntu.com/archives /kernel-team/2020-May/109697.html Cheers, Guilherme -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/187

[Kernel-packages] [Bug 1874444] Re: Bionic ubuntu ethtool doesn't check ring parameters boundaries

2020-05-10 Thread Guilherme G. Piccoli
** Description changed: - Upstream linux kernel implemented ring parameter boundaries check in commit: - 37e2d99b59c4 ("ethtool: Ensure new ring parameters are within bounds during SRINGPARAM") + [Impact] + * There's a bad behavior in the ena driver ringparam setting on kernels 4.4 and 4.15, if

[Kernel-packages] [Bug 1874444] Re: Bionic ubuntu ethtool doesn't check ring parameters boundaries

2020-05-10 Thread Guilherme G. Piccoli
ed in: linux (Ubuntu Bionic) Importance: Undecided => High ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) ** Changed in: linux (Ubuntu Xenial) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) ** Changed in: linux (Ubuntu

[Kernel-packages] [Bug 1749961] Re: xhci_hcd: TRB DMA errors reported with ASMedia ASM1142 USB 3.1 Controller

2020-05-05 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu Focal) Status: New => Confirmed ** Changed in: linux (Ubuntu Focal) Importance: Undecided => Medium ** Changed in: linux (Ubuntu Focal) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) -- You received this bug notification be

[Kernel-packages] [Bug 1749961] Re: xhci_hcd: TRB DMA errors reported with ASMedia ASM1142 USB 3.1 Controller

2020-05-05 Thread Guilherme G. Piccoli
** Also affects: linux (Ubuntu Focal) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1749961 Title: xhci_hcd: TRB DMA errors reported with

[Kernel-packages] [Bug 1749961] Re: xhci_hcd: TRB DMA errors reported with ASMedia ASM1142 USB 3.1 Controller

2020-05-05 Thread Guilherme G. Piccoli
Awesome Bryan, thanks for your kind words!! I'll nominate this bug for Focal then. Cheers, Guilherme -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1749961 Title: xhci_hcd: TRB DMA

[Kernel-packages] [Bug 1749961] Re: xhci_hcd: TRB DMA errors reported with ASMedia ASM1142 USB 3.1 Controller

2020-05-04 Thread Guilherme G. Piccoli
Hi John and all, thanks for updating logs and enhancing the report! Due to a lot of other work, and the nature of this problem (being a FW issue that we'd try to alleviate using a hack in linux), I wasn't able to work the tentative hack approach yet. The issue was "resolved" through a FW update

[Kernel-packages] [Bug 1869672] Re: Kdump broken since 4.15.0-65 on secureboot - purgatory cannot load

2020-04-30 Thread Guilherme G. Piccoli
Hi yamato, the kernel release schedule is available at: kernel.ubuntu.com You can see the next cycle as the last of the 3 "columns", so the kernel with this patch should get released to -proposed pocket around May 25th and to the -updates pocket around Jun 8th, subject to delays due to security

[Kernel-packages] [Bug 1869672] Re: Kdump broken since 4.15.0-65 on secureboot - purgatory cannot load

2020-04-29 Thread Guilherme G. Piccoli
Thank you yamato, for confirming! So, the patch was sent to kernel team mailing-list, and will be present in next cycle of kernel release - unfortunately we've lost the current cycle. Cheers, Guilherme -- You received this bug notification because you are a member of Kernel Packages, which is

[Kernel-packages] [Bug 1869948] Re: Multiple Kexec in AWS Nitro instances fail

2020-04-29 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu Focal) Status: Fix Committed => Fix Released ** Changed in: linux (Ubuntu Disco) Importance: Medium => Low ** Changed in: linux (Ubuntu Disco) Status: Opinion => Won't Fix -- You received this bug notification because you are a member of Kernel

[Kernel-packages] [Bug 1857922] Re: hpet lost interrupts on kdump

2020-04-29 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu Eoan) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1857922 Title: hpet lost interrupts on kdump Status in

[Kernel-packages] [Bug 1869672] Re: Kdump broken since 4.15.0-65 on secureboot - purgatory cannot load

2020-04-24 Thread Guilherme G. Piccoli
SRU submitted this morning [0], unfortunately we're not going to make this cycle, the fix will need to wait for the next cycle. Cheers, Guilherme [0] https://lists.ubuntu.com/archives/kernel-team/2020-April/109324.html -- You received this bug notification because you are a member of Kernel

[Kernel-packages] [Bug 1869672] Re: Kdump broken since 4.15.0-65 on secureboot - purgatory cannot load

2020-04-24 Thread Guilherme G. Piccoli
** No longer affects: makedumpfile (Ubuntu Bionic) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1869672 Title: Kdump broken since 4.15.0-65 on secureboot - purgatory cannot load

[Kernel-packages] [Bug 1869672] Re: Kdump broken since 4.15.0-65 on secureboot - purgatory cannot load

2020-04-24 Thread Guilherme G. Piccoli
** Description changed: - Thank you for reading this report. - This may caused by bugs in kernel, not in kdump. If so, I will report this to kernel team. - I need your comment to solve this. + [Impact] + * Kdump kernel can't be loaded using Linux kernel 4.15.0-65 and newer on Bionic; kexec

[Kernel-packages] [Bug 1869672] Re: Kdump broken since 4.15.0-65 on secureboot - purgatory cannot load

2020-04-24 Thread Guilherme G. Piccoli
** Patch added: "0001-UBUNTU-SAUCE-x86-purgatory-Fix-Makefile-to-prevent-u.patch" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1869672/+attachment/5359499/+files/0001-UBUNTU-SAUCE-x86-purgatory-Fix-Makefile-to-prevent-u.patch -- You received this bug notification because you are a

[Kernel-packages] [Bug 1869672] Re: Kdump broken since 4.15.0-65 on secureboot - purgatory cannot load

2020-04-24 Thread Guilherme G. Piccoli
** Tags added: seg -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1869672 Title: Kdump broken since 4.15.0-65 on secureboot - purgatory cannot load Status in linux package in Ubuntu:

[Kernel-packages] [Bug 1869672] Re: kdump kernel can't be loaded using kernel 4.15.0-76

2020-04-24 Thread Guilherme G. Piccoli
nux (Ubuntu) Importance: Undecided => High ** Changed in: linux (Ubuntu Bionic) Importance: Undecided => High ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) ** Changed in: linux (Ubuntu Bionic) Assignee: (unassigned) => Guilherme G

[Kernel-packages] [Bug 1869672] Re: kdump kernel can't be loaded using kernel 4.15.0-76

2020-04-23 Thread Guilherme G. Piccoli
Hi yamato, I'm sorry but I found yet another issue that I need to take care in my fix, hopefully by tomorrow I'll have a new test kernel. Also, I've noticed that in order to test PPA kernels on secure boot systems, you'll need to enroll the PPA sign key on shim, to make the kernel bootable - I'll

[Kernel-packages] [Bug 1869672] Re: kdump kernel can't be loaded using kernel 4.15.0-76

2020-04-22 Thread Guilherme G. Piccoli
Hi yamato, thank you for the great report! I think I found the problem - can you test my fix proposal? It's just a matter of adding the following PPA to your system and installing the kernel: launchpad.net/~gpiccoli/+archive/ubuntu/test1869672 You can run the following commands in order to

[Kernel-packages] [Bug 1869672] Re: kdump kernel can't be loaded using kernel 4.15.0-76

2020-04-22 Thread Guilherme G. Piccoli
Status: Confirmed => In Progress ** Changed in: makedumpfile (Ubuntu) Status: Confirmed => In Progress ** Changed in: makedumpfile (Ubuntu Bionic) Importance: Undecided => High ** Changed in: makedumpfile (Ubuntu Bionic) Assignee: (unassigned) => Guilherme G. Piccoli (

[Kernel-packages] [Bug 1869672] Re: kdump kernel can't be loaded using kernel 4.15.0-76

2020-04-15 Thread Guilherme G. Piccoli
Hi yamato, I have good news! Managed to reproduce this in a secure boot guest (after fighting with the keys hehe). There is an hypothesis of what's going on: one patch that was merged in -65 changed the way flags are set on purgatory, a piece of code used on kexec process. If we use kexec in a

[Kernel-packages] [Bug 1869948] Re: Multiple Kexec in AWS Nitro instances fail

2020-04-10 Thread Guilherme G. Piccoli
Regarding Disco, despite the "Fix Committed" status I didn't find the patch in the latest tags from generic tree (Ubuntu-5.0.0-46.50) nor AWS tree (Ubuntu-aws-5.0.0-1024.27), so I think the patch wasn't merged (which is not a big deal, given Bionic HWE is now based on 5.3). I've reverted the "Fix

[Kernel-packages] [Bug 1869948] Re: Multiple Kexec in AWS Nitro instances fail

2020-04-10 Thread Guilherme G. Piccoli
I've verified this LP using AWS instances, so the kernel versions I tested were -aws flavored; this was necessary given the patch proposed here is related to the ena driver, which manages an AWS exclusive virtual NIC. The versions tested were: 4.4.0.1105 xenial-updates 4.4.0.1106 xenial-proposed

[Kernel-packages] [Bug 1869672] Re: kdump kernel can't be loaded using kernel 4.15.0-76

2020-04-08 Thread Guilherme G. Piccoli
Hi yamato, thanks a lot for your thorough testing and for the sosreport. I'll try to reproduce here and analyze the sosreport. As soon as I have news, I'll get back to you. Cheers, Guilherme -- You received this bug notification because you are a member of Kernel Packages, which is subscribed

[Kernel-packages] [Bug 1869948] Re: Multiple Kexec in AWS Nitro instances fail

2020-04-08 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu Disco) Importance: Undecided => Medium ** Changed in: linux (Ubuntu Disco) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in

[Kernel-packages] [Bug 1857922] Re: hpet lost interrupts on kdump

2020-04-06 Thread Guilherme G. Piccoli
Bionic just got kernel 4.15.0-96 released with the fix, hence marking as Fix Released. ** Changed in: linux (Ubuntu Bionic) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1857922] Re: hpet lost interrupts on kdump

2020-04-06 Thread Guilherme G. Piccoli
The investigation was narrowed down to shared IRQs. Whenever an IRQ is set to shared, if kernel is booted with irqpoll or irqfixup, at every interrupt received all shared interrupt handlers are triggered. This is specially performance harming for HPET-based RTC interrupt handler, since HPET access

[Kernel-packages] [Bug 1857922] Re: hpet lost interrupts on kdump

2020-04-06 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu) Status: Confirmed => In Progress ** Also affects: linux (Ubuntu Focal) Importance: Medium Assignee: Guilherme G. Piccoli (gpiccoli) Status: In Progress ** Also affects: linux (Ubuntu Eoan) Importance: Undecided Status: New ** A

[Kernel-packages] [Bug 1869672] Re: kdump kernel can't be loaded using kernel 4.15.0-76

2020-04-06 Thread Guilherme G. Piccoli
Hi yamato, thanks a lot for your help! This greatly reduced the search scope. There's one more thing I need from you - can you collect a sosreport from your system? This way I can try to mimic your system here the best I can. Thanks in advance, Guilherme -- You received this bug notification

[Kernel-packages] [Bug 1869672] Re: kdump kernel can't be loaded using kernel 4.15.0-76

2020-04-03 Thread Guilherme G. Piccoli
) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) ** Changed in: makedumpfile (Ubuntu) Importance: Undecided => High -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to makedumpfile in Ubuntu. https://bugs.launchpad.net/bugs/1

[Kernel-packages] [Bug 1869948] Re: Multiple Kexec in AWS Nitro instances fail

2020-04-01 Thread Guilherme G. Piccoli
SRU request submitted to kernel team mailing list: https://lists.ubuntu.com/archives/kernel-team/2020-April/108684.html -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1869948 Title:

[Kernel-packages] [Bug 1869948] Re: Multiple Kexec in AWS Nitro instances fail

2020-04-01 Thread Guilherme G. Piccoli
** Description changed: - Placeholder - To be improved + [Impact] + * Currently, users cannot perform multiple kernel kexec loads on AWS Nitro instances (KVM-based); after the 2nd or 3rd kexec, an initrd corruption is observed, with the following signature: + + Initramfs unpacking failed:

[Kernel-packages] [Bug 1869948] Re: Multiple Kexec in AWS Nitro instances fail

2020-04-01 Thread Guilherme G. Piccoli
Testing multiple kexecs usually requires either using two machines (one triggering ssh commands to the other, which will kexec) or if in one machine only, cron scripts could be used. The latter approach was the choice here to validate this Launchpad, by adding the following entry in crontab:

[Kernel-packages] [Bug 1869948] Re: Multiple Kexec in AWS Nitro instances fail

2020-04-01 Thread Guilherme G. Piccoli
After debugging the problem, a potential workaround was found which alleviates but doesn't fix the issue; the workaround is to use the "retain_initrd" on kexec boots to prevent kernel from freeing the initrd memory area. Also, it was observed that bigger initrds tend to show the problem more

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