Got Segmentation fault when enable zipl -V on the guest.
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Ubuntu on IBM z Systems |
Fix Released
|
High
|
bugproxy | ||
s390-tools (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned |
Bug Description
I am test ubuntu secure execution on Ubuntu22.04 s390x on DPM mode.
Host secure execution enablement is OK.
root@a257seubut
root=/dev/
root@a257seubut
[ 0.119067] prot_virt: Reserving 130MB as ultravisor base storage
root@a257seubut
And I have create some Ubuntu guest on it.
But when I enable guest execution, I got this Segmentation fault error.
ubuntu@
root=/dev/
ubuntu@
[defaultboot]
defaultmenu = menu
:menu
target = /boot
1 = ubuntu
3 = secure
default = 3
prompt = 1
timeout = 10
[secure]
target = /boot
image = /boot/secure-linux
[ubuntu]
target = /boot
image = /boot/vmlinuz
ramdisk = /boot/initrd.img
parameters = root=/dev/
ubuntu@
WARNING: host-key document verification is disabled. Your workload is not secured.
kernel: 0x000000015000 ( 8085504 / 8081976 Bytes)
parmline: 0x0000007cb000 ( 4096 / 57 Bytes)
ramdisk: 0x0000007cc000 ( 26640384 / 26639555 Bytes)
stage3b: 0x000002134000 ( 8192 / 5716 Bytes)
stage3a: 0x000000010000 ( 20480 / 20480 Bytes)
ubuntu@
Looking for components in '/lib/s390-tools'
Using config file '/etc/zipl.conf'
[ 1326.923001] User process fault: interruption code 0010 ilc:3 in zipl[1000000+26000]
[ 1326.923012] Failing address: 0000000000000000 TEID: 0000000000000800
[ 1326.923014] Fault in primary space mode while using user ASCE.
[ 1326.923017] AS:0000000085de01c7 R3:0000000085260007 S:0000000000000020
Segmentation fault
ubuntu@
ubuntu@
PRETTY_NAME="Ubuntu 22.04.1 LTS"
NAME="Ubuntu"
VERSION_ID="22.04"
VERSION="22.04.1 LTS (Jammy Jellyfish)"
VERSION_
ID=ubuntu
ID_LIKE=debian
HOME_URL="https:/
SUPPORT_URL="https:/
BUG_REPORT_URL="https:/
PRIVACY_
UBUNTU_
ubuntu@
Could you help to take a look for this? If you need more info, please let me know.
Changed in ubuntu-z-systems: | |
status: | New → Fix Released |
Changed in s390-tools (Ubuntu): | |
status: | New → Fix Released |
I found this syslog
Nov 19 01:18:15 a257ubtu20seon04 kernel: [ 5473.612939] User process fault: interruption code 0010 ilc:3 in zipl[1000000+26000] Event-Address: a2a>] 0x1008a2a
Nov 19 01:18:15 a257ubtu20seon04 kernel: [ 5473.612949] Failing address: 0000000000000000 TEID: 0000000000000800
Nov 19 01:18:15 a257ubtu20seon04 kernel: [ 5473.612951] Fault in primary space mode while using user ASCE.
Nov 19 01:18:15 a257ubtu20seon04 kernel: [ 5473.612954] AS:00000000852301c7 R3:00000000827bc007 S:0000000000000020
Nov 19 01:18:15 a257ubtu20seon04 kernel: [ 5473.612958] CPU: 1 PID: 1888 Comm: zipl Not tainted 5.15.0-53-generic #59-Ubuntu
Nov 19 01:18:15 a257ubtu20seon04 kernel: [ 5473.612961] Hardware name: IBM 3932 LA2 A00 (KVM/Linux)
Nov 19 01:18:15 a257ubtu20seon04 kernel: [ 5473.612962] User PSW : 0705000180000000 0000000001008938
Nov 19 01:18:15 a257ubtu20seon04 kernel: [ 5473.612963] R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:1 AS:0 CC:0 PM:0 RI:0 EA:3
Nov 19 01:18:15 a257ubtu20seon04 kernel: [ 5473.612966] User GPRS: 0000000000000000 0000000000000000 0000000000000000 000000000000000f
Nov 19 01:18:15 a257ubtu20seon04 kernel: [ 5473.612967] 0000000000000380 0000000000000000 0000000001b28040 000003ff00000000
Nov 19 01:18:15 a257ubtu20seon04 kernel: [ 5473.612968] 0000000000000068 0000000001b28250 000003ff85c70720 0000000000000001
Nov 19 01:18:15 a257ubtu20seon04 kernel: [ 5473.612969] 0000000001b28040 0000000001b28250 00000000010088de 000003ffe7f7f1a0
Nov 19 01:18:15 a257ubtu20seon04 kernel: [ 5473.612976] User Code: 000000000100892a: a72b0010 aghi %r2,16
Nov 19 01:18:15 a257ubtu20seon04 kernel: [ 5473.612976] 000000000100892e: e70000300081 vfene %v0,%v0,%v0,0,3
Nov 19 01:18:15 a257ubtu20seon04 kernel: [ 5473.612976] #0000000001008934: a784000c brc 8,000000000100894c
Nov 19 01:18:15 a257ubtu20seon04 kernel: [ 5473.612976] >0000000001008938: e70210004006 vl %v0,0(%r2,%r1),4
Nov 19 01:18:15 a257ubtu20seon04 kernel: [ 5473.612976] 000000000100893e: a72b0010 aghi %r2,16
Nov 19 01:18:15 a257ubtu20seon04 kernel: [ 5473.612976] 0000000001008942: e70000300081 vfene %v0,%v0,%v0,0,3
Nov 19 01:18:15 a257ubtu20seon04 kernel: [ 5473.612976] 0000000001008948: a774fff8 brc 7,0000000001008938
Nov 19 01:18:15 a257ubtu20seon04 kernel: [ 5473.612976] 000000000100894c: e75000070021 vlgv %r5,%v0,7,0
Nov 19 01:18:15 a257ubtu20seon04 kernel: [ 5473.612987] Last Breaking-
Nov 19 01:18:15 a257ubtu20seon04 kernel: [ 5473.612987] [<0000000001008
Nov 19 01:18:55 a257ubtu20seon04 kernel: [ 5513.312528] User process fault: interruption code 0010 ilc:3 in zipl[1000000+26000]
Nov 19 01:18:55 a257ubtu20seon04 kernel: [ 5513.312541] Failing address: 0000000000000000 TEID: 0000000000000800
Nov 19 01:18:55 a257ubtu20seon04 kernel: [ 5513.312542] Fault in primary space mode while using user ASCE.
Nov 19 01:18:55 a257ubtu20seon04 kernel: [ 5513.312545] AS:00000000825441c7 R3:0000000081fa0007 S:0000000000000020
Nov 19 01:18:55 a257ubtu20seon04 kernel: [ 5513.312549] CPU: 0 PID: 1904 Comm: zipl Not tainted 5.15.0-53-generic #59-Ubuntu
Nov 19 01:18:55 a257ubtu20seon04 ker...