Hey Haled, Mario,
Both 5.15 and 5.18 are failed, kernel were from (Khaled's) #37 building.
"uname -r "output from screenshots are:
5.15.0-32-generic
5.18.0-4-generic
thanks!
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htt
For #39, Marios's，partner said all fails ( hotplug was not working).
I guess we were expected it can work. So I will check him if he set
kernel parameter correctly.
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For #40, I asked them to collect trace data on both hotplug working and
not.
** Attachment added: "trace-hotplug.zip"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1971576/+attachment/5591527/+files/trace-hotplug.zip
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For #40, trace data for hotplug not working
** Attachment added: "trace-no-hotplug.zip"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1971576/+attachment/5591529/+files/trace-no-hotplug.zip
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difference of 0,1,2 for lpm policy.
thanks,
Mao
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Title:
SATA device hot plug regression on AMD EPYC (Asus) server
To manage notifications about this
@Mario, Thanks for those deep and detail analyse for the root cause.
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Title:
SATA device hot plug regression on AMD EPYC (Asus) server
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this difference?
thanks,
Mao
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Title:
SATA device hot plug regression on AMD EPYC (Asus) server
To manage notifications about this bug go to:
To summary
#1 Symptom:
On AMD EPYC, ROME server platform, SATA hot plug not working on Ubuntu 22.04
LTS.
#2 Root cause:
Ubuntu kernel compile with configure CONFIG_SATA_MOBILE_LPM_POLICY=3. During
devices scan ( boot, pci scan, ahci driver load), if didn't detected any valid
sata
The MAAS version is 3.1.0 (installed by sanp)
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Title:
custom image deploy get failed in cmd-curthooks of
DISTROS[DISTROS.index(distname)]
To m
@Alberto Thanks for help. Below is log file.
** Attachment added: "mass deploy log file"
https://bugs.launchpad.net/maas/+bug/1975922/+attachment/5593944/+files/messages-0531.txt
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Public bug reported:
Apr 6 02:33:31 G292-280 kernel: [0.007531] [ cut here
]
Apr 6 02:33:31 G292-280 kernel: [0.007531] sched: CPU #20's llc-sibling
CPU #0 is not on the same node! [node: 1 != 0]. Ignoring dependency.
Apr 6 02:33:31 G292-280 kernel: [0.0075
We didn't find this on Ubuntu 20.04.4 LTS hwe-kernel (
5.13.0-41-generic).
Both Ubuntu 20.04.4 ga-kernel and 18.04.6 hwe-kernel (5.4.0-107-generic)
are found.
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You can find above message in kernel.log file.
** Attachment added: "sosreport"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1976511/+attachment/5594318/+files/sosreport-G292-280-18.04HWE5.4.0-110-generic-2022-05-25-cvumffx.tar.xz
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1976511
Title:
kernel taint ( warning ) caused by smpboot.c: on 5.4.0
To manage no
It seems very similar to
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1882478/ which have
been fixed on Bionic.
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Title:
kernel taint ( wa
Any follow-up? The new UI is terribly slow.
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Title:
File selector extremely slow
To manage notifications about this bug go to:
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Public bug reported:
SATA disk hot plug can't work on Ubuntu 20.04 ga-kernel of "Linux
version 5.4.0-109-generic", but it works on earlier version of " Linux
version 5.4.0-42-generic"
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
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reproduce method
1. On Ubuntu 20.04, install both 5.4.0-42 and 5.4.0-109 kernel
2. restart and boot into 5.4.0-42 kernel via grub menu
3. login and monitor kernel log like sudo tail -f /var/log/syslog
4. plug in sata disk, the log showed disk was dected like below:
---
May 4 05:5
5. un-plugin sata disk; restart system
6. restart and boot into 5.4.0-109 kernel
7. login and monitor kernel log like sudo tail -f /var/log/syslog
8. plug in sata disk, there no similar log and no disk was found.
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For 5.4.0-109 kernel, if "rescan-scsi-bus" after plug in, it can find
disk.
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Title:
SATA device hot plug regression on AMD EYPC (Asus) server
To
Below is full sosreports of our test. Test and log please refer to last
2 boot (42 and 109 kernel)
May 4 05:49:11 rd1 kernel: [0.00] Linux version
5.4.0-42-generic (buildd@lgw01-amd64-038) (gcc version 9.3.0 (Ubuntu
9.3.0-10ubuntu2)) #46-Ubuntu SMP Fri Jul 10 00:24:02 UTC 2020 (Ubuntu
5.4
more test as below:
5.11.0-27 hotplug works
5.13.0-40 hotplug doesn't work
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Title:
SATA device hot plug regression on AMD EYPC (Asus) server
To
For Rome, it is the same as Melian which the 20.04.4 kernel
5.4.0-42-generic can work with hotplug, while kernel 5.4.0-109-generic
does't.
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Title:
Partner have verified that 5.4.0-99 hotplug works, while 5.4.0-100
doesn't
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Title:
SATA device hot plug regression on AMD EYPC (Asus) server
To
I was told the test are boot into OS with select kernel, insert sata,
remove, and run sosreport. Below is syslog info related to boot and sdb
or sdc.
--sata hotplug didn't work on 100 kernel --
grep -e 'Linux version' -e 'sdb' -e 'sdc' -e 'SATA link' syslog | tail -n25
May 6 07:24:42 rd1 kernel
Test it as boot int OS with selected 99 kernel, insert SATA and remove
SATA, run sosreport.
** Attachment added: "sosrport for 5.4.0-99 kernel which hotplug does work"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1971576/+attachment/5587308/+files/sosreport-rd1-5.4.0-99-2022-05-06-sna
Test it as boot int OS with selected 100 kernle, insert SATA and remove
SATA, run sosreport.
** Attachment added: "sosrport for 5.4.0-100 kernel which hotplug doesn't work"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1971576/+attachment/5587307/+files/sosreport-rd1-5.4.0-100-2022-05-0
** Summary changed:
- SATA device hot plug regression on AMD EYPC (Asus) server
+ SATA device hot plug regression on AMD EPYC (Asus) server
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Titl
Hello Khaled, I have asked partner engineer to test your build kernel.
thanks.
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Title:
SATA device hot plug regression on AMD EPYC (Asus) server
Hello Khale, hot plug test is fail for this version kernel. Please build
next kernel. By the way, if it possible to build multi kernel, so that
they can test them all in one shot. You know, the partner engineer is
working on home this week and he have to look for someone else on office
each time.
Hello Khaled, thanks for share detail information for your patching and
explains of unable building mulit-kernel.
The partner engineer did use 3000 kernel for sata hotplug test as they
sent me a screenshot of "uname -r" output.
I have asked them to test new 3002 kernel now.
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Hello Khaled, Version 3002 hot plug can pass. //thanks.
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Title:
SATA device hot plug regression on AMD EPYC (Asus) server
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Hello Kahled, thanks for quick response. Your understanding for 3000 bug
and 3002 no bug is correct. I have asked them to verify 3003 now.
//thanks
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Hello Kahled, Version 3003 hot plug passed. //thanks
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Title:
SATA device hot plug regression on AMD EPYC (Asus) server
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Hello Kahled, Version 3004 hot plug can pass. thanks //Mao
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Title:
SATA device hot plug regression on AMD EPYC (Asus) server
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Hello Khaled, Version 3005 hot plug fail. Thanks.
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Title:
SATA device hot plug regression on AMD EPYC (Asus) server
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Hello Khaled, the 3006 kernel can pass. thanks //Mao
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SATA device hot plug regression on AMD EPYC (Asus) server
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Hello Khaled, the Version 3007 failed. thanks！ //Mao
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Title:
SATA device hot plug regression on AMD EPYC (Asus) server
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Hello Kahled,
First, thanks for your effort to find this root cause in a short time.
For your comment #31, parnter has confirmed it is same for other type of disk.
I also asked them to raise this issue to AMD and AMD technical guy
reply below.
"Yes, 1022:7901h is AMD SATA AHCI controlle
Hello Kahled, For Mario's comments#33, will you or can you build a main
kernel (v5.16) for testing? //thanks.
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Title:
SATA device hot plug regres
Public bug reported:
During kdump verify on Ubuntu 22.04 ga-kernel 5.15.0, kdump would fail
beause 0-0xf2ff(0-3.79G) have been reserved.
It seems have been fixed on Ubuntu 22.04.2 HWE-kernel of
5.19.0-32-generic.
** Affects: ubuntu
Importance: Undecided
Status: New
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You rec
Broken one:
cat proc/iomem
-f2ff : Reserved
-e1ff : Reserved
-d6ff : Reserved
-cbff : Reserved
Good one:
-0fff : Reserved
1000-0009 : System RAM
000a-000b : PCI Bus :60
000a-000b : Reserved
00
The CPU is below:
processor : 0
vendor_id : AuthenticAMD
cpu family : 25
model : 17
model name : AMD Eng Sample: 100-00894-04
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Public bug reported:
A partner report below error which seems a fixed issue from upstream and
it affect NVME performance, hope to backport it.
Oct 27 06:05:17 quanta kernel: [ 1238.707245] AMD-Vi: Failed to allocate
IRTE
The related patch and discussion is below:
https://lkml.org/lkml/2020/10/1
** Summary changed:
- AMD /proc/iomme 0-0xf2ff is incorrectly reserved
+ AMD cpu (/proc/iomme 0-0xf2ff) is incorrectly reserved
** Summary changed:
- AMD cpu (/proc/iomme 0-0xf2ff) is incorrectly reserved
+ AMD cpu (/proc/iomme 0-0xf2ff) is incorrectly reserved on 22.04 ga-kerne
Public bug reported:
On of our partner reported that FC680i internalLoopBack test would fail on
22.04 but worked fine on 20.04.5. The dmesg error log is
[ 941.140500] qla2xxx [:63:00.1]-701c:7: dma mapping resulted in different
sg counts, request_sg_cnt: 2 dma_request_sg_cnt: 1 reply_sg_cn
screen pictures for test commands and error output
** Attachment added: "image001.png"
https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.15/+bug/2055238/+attachment/5749968/+files/image001.png
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screen pictures for test commands and error output
** Attachment added: "image003.png"
https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.15/+bug/2055238/+attachment/5749969/+files/image003.png
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From lspci
63:00.0 Fibre Channel [0c04]: QLogic Corp. ISP2722-based 16/32Gb Fibre Channel
to PCIe Adapter [1077:2261] (rev 01)
Subsystem: Hangzhou H3C Technologies Co., Ltd. NIC-FC680i-Mb-2x16G
[193d:100d]
Physical Slot: 9
63:00.1 Fibre Channel [0c04]: QLogic Corp. ISP2722-based
It seems specific to 5.15.0-25 version and have been fixed since
5.15.0-46-generic from 20.04.5 hwe-kernel and 5.15.0-97-generic (both
are tested and verified -- worked well)
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Public bug reported:
The following error appears in the system log when the number of CPU
cores exceeds 128
** Affects: linux-hwe-5.15 (Ubuntu)
Importance: Undecided
Status: New
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Apr 30 01:44:54 192-168-119-54 kernel: [ 31.650978]
Apr 30 01:44:54 192-168-119-54 kernel: [ 31.652249] UBSAN:
array-index-out-of-bounds in
/build/linux-yUfQuC/linux-5.15.0/drivers/hwmon/coretemp.c:473:17
Apr 30
It seems a similar issue bug at
https://bugzilla.kernel.org/show_bug.cgi?format=multiple&id=218765
And mentions there is a related patch since v6.5
https://www.spinics.net/lists/linux-pci/msg152506.html
On Tue, 23 Apr 2024, Bjorn Helgaas wrote:
> FYI. The retraining was added by a89c82249c3
Public bug reported:
Symptom :
OCP NIC hot insert to system and can't archive to Gen5 speed
Hardware configuration :
CPU : SRF-SP Q4WS *2
OCP NIC MCX753436MC-HEAB (FW : 28.39.2048)
Test scenario as below :
1. Boot into OS
2. Check system status is fine and clear all dmesg and SEL
3. Unload mlx
From dmesg below, it seems this "broken device, retraining non-functional
downstream link at 2.5GT/s" is related due to the message of " pci
:4c:00.0: 32.000 Gb/s available PCIe bandwidth, limited by 2.5 GT/s PCIe
x16 link at :4b:02.0 (capable of 504.112 Gb/s with 32.0 GT/s PCIe x16 link
To reset(reboot) system, it can be correctly in Gen5.
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Package changed: linux (Ubuntu) => linux-hwe-6.5 (Ubuntu)
** Also affects: linux-hwe-6.8 (Ubuntu)
Importance: Undecided
Status: New
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Here is the kernel fix for OCP hot plug issue.
[RFC] PCI: Fix the issue of link speed downgrade after link retraining -
Patchwork
https://patchwork.ozlabs.org/project/linux-pci/patch/20241107143758.12643-1-guojinhui.l...@bytedance.com/
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Public bug reported:
Our partner report this intel_uncore ioremap error from syslog:
Oct 20 00:51:15 192-168-116-32 kernel: [ 45.925331] Trying to unpack rootfs
image as initramfs...
Oct 20 00:51:15 192-168-116-32 kernel: [ 45.926196] PCI-DMA: Using software
bounce buffering for IO (SWIOTLB
It was on 4 nodes total 320 cores process and the kernel version is
5.19.0-32-generic.
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Title:
intel_uncore ioremap error
To manage notification
One of our partner verified that this issue have been fixed on 6.8.0-53
generic kernel
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Title:
pci hot plug get "retraining non-functional downst
Micahel, has it been fixed in 24.04, our parnter reported me same call
trace but it seems fix have been applied.
ubuntu@vm-noble1:~/noble$ git log | grep -A20
5d515ee40cb57ea5331998f27df7946a69f14dc3
commit 5d515ee40cb57ea5331998f27df7946a69f14dc3
Author: Kan Liang
Date: Thu Jan 12 12:01:05 20
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