As for comment #43, I believe the patch will work. I'm not able, however, to do
the testing in such a short time.
Is it possible to extend at least for 2 more weeks? Thank you.
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Public bug reported:
Dear developers,
My system freezes whenever I try to 1) shutdown, 2) restart, or 3) suspend it.
System gets unresponsive (keyborad, mouse, network - ssh/ping from
outside), screen turns black. However, non of the actions 1-3 gets
finished, i.e. my system does not turn off, re
** Tags removed: hirsute
** Tags added: focal
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Title:
System freeze during Shutdown, Restart, or Suspend
Status in linux package in
apport information
** Tags added: apport-collected
** Description changed:
Dear developers,
My system freezes whenever I try to 1) shutdown, 2) restart, or 3) suspend it.
System gets unresponsive (keyborad, mouse, network - ssh/ping from
outside), screen turns black. However, non of t
apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1958013/+attachment/5554570/+files/Lsusb.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1958013/+attachment/5554567/+files/CurrentDmesg.txt
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apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1958013/+attachment/5554566/+files/CRDA.txt
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Ti
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** Attachment added: "Lspci-vt.txt"
https://bugs.launchpad.net/bugs/1958013/+attachment/5554569/+files/Lspci-vt.txt
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1958013/+attachment/5554568/+files/Lspci.txt
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** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1958013/+attachment/5554574/+files/ProcEnviron.txt
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** Attachment added: "Lsusb-t.txt"
https://bugs.launchpad.net/bugs/1958013/+attachment/5554571/+files/Lsusb-t.txt
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** Attachment added: "acpidump.txt"
https://bugs.launchpad.net/bugs/1958013/+attachment/5554579/+files/acpidump.txt
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1958013/+attachment/5554578/+files/WifiSyslog.txt
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** Attachment added: "ProcCpuinfoMinimal.txt"
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** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1958013/+attachment/5554575/+files/ProcInterrupts.txt
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** Attachment added: "UdevDb.txt"
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** Attachment added: "Lsusb-v.txt"
https://bugs.launchpad.net/bugs/1958013/+attachment/5554572/+files/Lsusb-v.txt
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On my system (AMD APU A8-7680, Ubuntu 20.04 LTS):
1) Shutdown and restart seems to be fixed on kernels 5.13.0-30 to
5.13.0-39
2) Suspend is working correctly only on 5.13.0-30 and 5.13.0-35. It got
broken again since 5.13.0-37, i.e. system freeze with black screen
during suspend, hard reset neede
*** This bug is a duplicate of bug 1956467 ***
https://bugs.launchpad.net/bugs/1956467
I'm not sure whether this report is a duplicate of #1956467. The
symptoms described there seem to be slightly different, at least for
suspend mode.
Anyway, I hereby report that the problem seems to be solve
Dear Kai-Heng,
Your patch still does not seem to be applied, at least not in the latest
hwe-20.04 (5.11.0-27-generic). Does it take that long?
Thank you, Radek
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5.13.0-6 (lp1920674-debug) with "blacklist=amdgpu
modprobe.blacklist=amdgpu" then ssh and modprobe amdgpu:
a) black screen but system keeps runnig
b) dmesg attached
** Attachment added: "dmesg_5.13.0-6_ModprobeAmdgpu_noX.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1920674/+atta
Sorry for the delay, I'm not at this PC every week. Your latest update
gives the following results.
5.13.0-106 (lp1920674-debug-2) with "blacklist=amdgpu
modprobe.blacklist=amdgpu" then 1) modprobe amdgpu from X; 2) modprobe
amdgpu from ssh
a) black screen and system freeze
b) "Segmentation fault
I have just tried to boot with the suggested kernel params then ssh in
the system and "modprobe amdgpu". I have tested 2 cases: 1) not logged
to X; 2) logged to X
Both cases seem to behave about the same:
- screen turns all black and cannot be recovered (rmmod amdgpu)
- system itself keeps runnig
** Attachment added: "logged to X"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1920674/+attachment/5500868/+files/dmesg_5.12.0rc8_ModprobeAmdgpu_X.txt
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Can you please be more specific about what I'm supposed to do? I suspect
building kernel from source is involved ... I did not do that for at
least 15 years.
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This kernel did not help I'm affraid.
1) 5.13.0-5 with standard kernel params but without
"amdgpu.ip_block_mask=0xfdff"
=> black screen & system freeze during boot (cannot ssh)
2) 5.13.0-5 with "blacklist=amdgpu modprobe.blacklist=amdgpu" then ssh and
modprobe amdgpu
=> black screen & sys
5.13.0-5again with "blacklist=amdgpu modprobe.blacklist=amdgpu" then ssh
and modprobe amdgpu:
a) black screen & system freeze, no errors in log (attached)
b) "Segmentation fault" message in the ssh console right after modprobe amdgpu
** Attachment added: "journal_5.13.0-5again_ModprobeAmdgpu_noX
Ok, I thank you very much for your effort!
If anything else comes to your mind I'm willing to do the testing.
Can you please suggest how do I get the debug code and what the
pm_genpd_add_device() function is?
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The problem I reported here was NOT fixed by the latest kernel update
(5.4.0-71).
To clarify what I observe on my AMD-based desktop:
The suspend/hibernation/resume problem seems to be strictly related to the
amdgpu kernel module and possibly also amdgpu Xorg driver. I have tested the
following s
I have tried the most recent kernel 5.12-rc8 to complete the information
needed for further investigation. The results are about the same as for
the previously tested 5.8.0-* & 5.11.8-051108, i.e.:
ACP disabled
- Xorg amdgpu driver loaded & acceleration working
- suspend/resume ok
- hibernation
Dear Kai-Heng, I'm not quite sure what you actually want me to try ...
but Kernel 5.12-rc8 with "nomodeset" & without
"amdgpu.ip_block_mask=0xfdff" gives:
- amdgpu kernel module not loaded, Xorg amdgpu driver not loaded
- Xorg vesa driver loaded & no acceleration => high CPU load
- suspend
No, all the modules are part of the installed package
linux-modules-5.12.0-051200rc8-generic_5.12.0-051200rc8.202104182230_amd64.deb
ls -la /lib/modules/5.12.0-051200rc8-generic/kernel/drivers/gpu/drm/amd/amdgpu
total 9300
drwxr-xr-x 2 root root4096 Apr 20 21:29 .
drwxr-xr-x 3 root root409
** Attachment added: "dmesg for Kernel 5.12-rc8 with "nomodeset" & without
"amdgpu.ip_block_mask=0xfdff""
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1920674/+attachment/5491049/+files/dmesg.txt
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https://wiki.archlinux.org/index.php/AMDGPU#Loading states:
...
Make sure you do not have nomodeset or vga= as a kernel parameter, since amdgpu
requires KMS.
...
This seems to be relevant.
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Kernel 5.12-rc8 without "nomodeset" && without
"amdgpu.ip_block_mask=0xfdff" seems to freeze the PC: black screen
without any messages, keyboard unresponsive, I cannot even ssh from a
different machine.
Dmesg cannot be provided for such a scenario :-(
** Attachment added: "dmesg for Kernel 5.
There are no entries in the journal for those particular boots I'm
afraid. That is, the journal is empty if I boot without "nomodeset" or
without "amdgpu.ip_block_mask=0xfdff". There are some very quick
boot messages appearing on the screen before it turns all black, but
nothing in the log.
I
5.13.0-6006 (lp1920674-debug-3) with "blacklist=amdgpu
modprobe.blacklist=amdgpu" then modprobe amdgpu from ssh
a) black screen but system keeps running
b) "Segmentation fault" in the ssh console
c) dmesg attached
Thank you!
** Attachment added: "dmesg_5.13.0-6006_ModprobeAmdgpu.txt"
https:/
Dear Kai-Heng, you seem to hit the point, thank you!
5.13.0-7007 (lp1920674-debug-4) with my "standard" kernel boot parameters seems
to work:
A) no system freeze or crash
B) X acceleration works
C) hibernation still does NOT work
I will keep testing the system stability, dmesg attached.
1) Can
Problem solved, tag changed to 'verification-done-focal'.
dmesg attached
** Tags removed: verification-needed-focal
** Tags added: verification-done-focal
** Attachment added: "dmesg_5.10.0-1050-oem.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1920674/+attachment/5532144/+files/
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