(In reply to Charles Lim from comment #673)
> For those who are looking for a solution or already found a solution, there
> is a new update of AGESA rolling out. The new version 1.0.0.4 claims:
>
> * Improved system stability when switching through ACPI power states.
>
> It has arrived on my Asus PRIME B350M days ago, I have upgraded and kept
> default optimised BIOS settings. When I used ZenState to check cpu status,
> the C6 state is now:
>
> C6 State - Package - Enabled
> C6 State - Core - Disabled
>
> Previously they were all enabled, I guessed the new AGESA release finally
> solved this problem from source? I will report back days later to see if the
> system still hangs.
Are you sure about the AGESA version string? For the Dell OptiPlex 5055,
firmware version 1.1.20 [1], running it through *Dell PFS BIOS
Extractor*, and then grepping for `AGESA!` in the strings/hexdump, it
says it includes AGESA version 1.0.0.7a.
$ strings 1\ --\ 1\ OptiPlex\ System\ BIOS\ v1.1.20.bin | grep -A1 AGESA!
%pAGESA!V9
SummitPI-AM4 1.0.0.7a
[1]:
https://www.dell.com/support/home/de-de/drivers/driversdetails?driverid=w6mw5&oscode=wt64a&productcode=optiplex-5055-ryzen-cpu
[2]: https://github.com/platomav/BIOSUtilities
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https://bugs.launchpad.net/bugs/1690085
Title:
Ryzen 1800X freeze - rcu_sched detected stalls on CPUs/tasks
Status in Linux:
Expired
Status in linux package in Ubuntu:
Confirmed
Bug description:
Hi,
We aregetting various kernel crash on a pretty new config.
We're using Ryzen 1800X CPU with X370 Gaming Pro Carbon MB (7A32V1) using
latest BIOS available (1.52)
We are running Ubuntu 17.04 (amd64), we've tried different kernel version,
native one and releases from http://kernel.ubuntu.com/~kernel-ppa/mainline/ too.
Tested kernel version:
native 17.04 kernel
4.10.15
Issues are the same, we're getting random freeze on the machine.
Here is kern.log entry when happening :
May 10 22:41:56 dev2 kernel: [24366.186246] INFO: rcu_sched detected stalls
on CPUs/tasks:
May 10 22:41:56 dev2 kernel: [24366.187618] 0-...: (1 GPs behind)
idle=49b/1/0 softirq=28561/28563 fqs=913449
May 10 22:41:56 dev2 kernel: [24366.188977] (detected by 12, t=1860207
jiffies, g=10001, c=10000, q=4656)
May 10 22:41:56 dev2 kernel: [24366.190344] Task dump for CPU 0:
May 10 22:41:56 dev2 kernel: [24366.190345] swapper/0 R running task
0 0 0 0x00000008
May 10 22:41:56 dev2 kernel: [24366.190348] Call Trace:
May 10 22:41:56 dev2 kernel: [24366.190354] ? native_safe_halt+0x6/0x10
May 10 22:41:56 dev2 kernel: [24366.190355] ? default_idle+0x20/0xd0
May 10 22:41:56 dev2 kernel: [24366.190358] ? arch_cpu_idle+0xf/0x20
May 10 22:41:56 dev2 kernel: [24366.190360] ? default_idle_call+0x23/0x30
May 10 22:41:56 dev2 kernel: [24366.190362] ? do_idle+0x16f/0x200
May 10 22:41:56 dev2 kernel: [24366.190364] ? cpu_startup_entry+0x71/0x80
May 10 22:41:56 dev2 kernel: [24366.190366] ? rest_init+0x77/0x80
May 10 22:41:56 dev2 kernel: [24366.190368] ? start_kernel+0x464/0x485
May 10 22:41:56 dev2 kernel: [24366.190369] ?
early_idt_handler_array+0x120/0x120
May 10 22:41:56 dev2 kernel: [24366.190371] ?
x86_64_start_reservations+0x24/0x26
May 10 22:41:56 dev2 kernel: [24366.190372] ? x86_64_start_kernel+0x14d/0x170
May 10 22:41:56 dev2 kernel: [24366.190373] ? start_cpu+0x14/0x14
May 10 22:44:56 dev2 kernel: [24546.188093] INFO: rcu_sched detected stalls
on CPUs/tasks:
May 10 22:44:56 dev2 kernel: [24546.189461] 0-...: (1 GPs behind)
idle=49b/1/0 softirq=28561/28563 fqs=935027
May 10 22:44:56 dev2 kernel: [24546.190823] (detected by 14, t=1905212
jiffies, g=10001, c=10000, q=4740)
May 10 22:44:56 dev2 kernel: [24546.192191] Task dump for CPU 0:
May 10 22:44:56 dev2 kernel: [24546.192192] swapper/0 R running task
0 0 0 0x00000008
May 10 22:44:56 dev2 kernel: [24546.192195] Call Trace:
May 10 22:44:56 dev2 kernel: [24546.192199] ? native_safe_halt+0x6/0x10
May 10 22:44:56 dev2 kernel: [24546.192201] ? default_idle+0x20/0xd0
May 10 22:44:56 dev2 kernel: [24546.192203] ? arch_cpu_idle+0xf/0x20
May 10 22:44:56 dev2 kernel: [24546.192204] ? default_idle_call+0x23/0x30
May 10 22:44:56 dev2 kernel: [24546.192206] ? do_idle+0x16f/0x200
May 10 22:44:56 dev2 kernel: [24546.192208] ? cpu_startup_entry+0x71/0x80
May 10 22:44:56 dev2 kernel: [24546.192210] ? rest_init+0x77/0x80
May 10 22:44:56 dev2 kernel: [24546.192211] ? start_kernel+0x464/0x485
May 10 22:44:56 dev2 kernel: [24546.192213] ?
early_idt_handler_array+0x120/0x120
May 10 22:44:56 dev2 kernel: [24546.192214] ?
x86_64_start_reservations+0x24/0x26
May 10 22:44:56 dev2 kernel: [24546.192215] ? x86_64_start_kernel+0x14d/0x170
May 10 22:44:56 dev2 kernel: [24546.192217] ? start_cpu+0x14/0x14
Depending on the kernel version, we've got NMI watchdog errors related to CPU
stuck (mentioning the CPU core id, which is random).
Crash is happening randomly, but in general after some hours (3-4h).
Now, we've installed kernel 4.11.0-041100-generic #201705041534 this morning
and waiting for crash...
For now, the machine is not "used", at least, it's not CPU stressed...
Thanks
---
ApportVersion: 2.20.4-0ubuntu4
Architecture: amd64
DistroRelease: Ubuntu 17.04
InstallationDate: Installed on 2017-05-09 (1 days ago)
InstallationMedia: Ubuntu-Server 17.04 "Zesty Zapus" - Release amd64
(20170412)
Package: linux (not installed)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=fr_FR.UTF-8
SHELL=/bin/bash
Tags: zesty
Uname: Linux 4.11.0-041100-generic x86_64
UnreportableReason: The running kernel is not an Ubuntu kernel
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: True
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