[Bug 2073267] Re: Guru meditation on VM start

[Andy Townsend]

With regard to "but I don't see enough information here to isolate it to
specific versions of packages that Ubuntu shipped" above, perhaps this
will help:

On an Ubuntu 22.04 LTS system, "apt search  virtualbox | grep installed"
finds:

libvirt-bin/now 4.0.0-1ubuntu8.21 amd64 [installed,local]
libvirt-clients/jammy-updates,jammy-security,now 8.0.0-1ubuntu7.10 amd64 
[installed,automatic]
libvirt-daemon/jammy-updates,jammy-security,now 8.0.0-1ubuntu7.10 amd64 
[installed,automatic]
libvirt-daemon-config-network/jammy-updates,jammy-updates,jammy-security,jammy-security,now
 8.0.0-1ubuntu7.10 all [installed,automatic]
libvirt-daemon-config-nwfilter/jammy-updates,jammy-updates,jammy-security,jammy-security,now
 8.0.0-1ubuntu7.10 all [installed,automatic]
libvirt-daemon-driver-qemu/jammy-updates,jammy-security,now 8.0.0-1ubuntu7.10 
amd64 [installed,automatic]
libvirt-daemon-system/jammy-updates,jammy-security,now 8.0.0-1ubuntu7.10 amd64 
[installed,automatic]
libvirt-daemon-system-systemd/jammy-updates,jammy-updates,jammy-security,jammy-security,now
 8.0.0-1ubuntu7.10 all [installed,automatic]
libvirt0/jammy-updates,jammy-security,now 8.0.0-1ubuntu7.10 amd64 
[installed,automatic]
virtualbox/jammy-updates,now 6.1.50-dfsg-1~ubuntu1.22.04.1 amd64 [installed]
virtualbox-dkms/jammy-updates,now 6.1.50-dfsg-1~ubuntu1.22.04.1 amd64 
[installed]
virtualbox-qt/jammy-updates,now 6.1.50-dfsg-1~ubuntu1.22.04.1 amd64 [installed]

"apt search generic | grep 116 | grep installed" finds:

linux-generic/jammy-updates,jammy-security,now 5.15.0.116.116 amd64 [installed]
linux-headers-5.15.0-116-generic/jammy-updates,jammy-security,now 
5.15.0-116.126 amd64 [installed,automatic]
linux-headers-generic/jammy-updates,jammy-security,now 5.15.0.116.116 amd64 
[installed]
linux-image-5.15.0-116-generic/jammy-updates,jammy-security,now 5.15.0-116.126 
amd64 [installed,automatic]
linux-image-generic/jammy-updates,jammy-security,now 5.15.0.116.116 amd64 
[installed,automatic]
linux-modules-5.15.0-116-generic/jammy-updates,jammy-security,now 
5.15.0-116.126 amd64 [installed,automatic]
linux-modules-extra-5.15.0-116-generic/jammy-updates,jammy-security,now 
5.15.0-116.126 amd64 [installed,automatic]

"apt search generic | grep 113 | grep installed" finds:

linux-headers-5.15.0-113-generic/jammy-updates,jammy-security,now 
5.15.0-113.123 amd64 [installed,automatic]
linux-image-5.15.0-113-generic/jammy-updates,jammy-security,now 5.15.0-113.123 
amd64 [installed,automatic]
linux-modules-5.15.0-113-generic/jammy-updates,jammy-security,now 
5.15.0-113.123 amd64 [installed,automatic]
linux-modules-extra-5.15.0-113-generic/jammy-updates,jammy-security,now 
5.15.0-113.123 amd64 [installed,automatic]

When booted off the "5.15.0-113-generic" kernel Virtualbox works OK.
When booted off the "5.15.0-116-generic" one it does not.

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Title:
  Guru meditation on VM start

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[Bug 2060780] Re: CIFS stopped working/is unstable with kernel update to 5.15.0-102.112

[Andy Townsend]

> In the meantime, the meta package will be deleted so that other people
do not upgrade to 5.15.0-102.

Just checking, has that happened?  I'm still seeing that offered in
response to "apt upgrade" on an older system here:

The following NEW packages will be installed:
  linux-headers-5.15.0-102 linux-headers-5.15.0-102-generic
  linux-image-5.15.0-102-generic linux-modules-5.15.0-102-generic
  linux-modules-extra-5.15.0-102-generic

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Title:
  CIFS stopped working/is unstable with kernel update to 5.15.0-102.112

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[Bug 1973167] Re: linux-image-4.15.0-177-generic freezes on the welcome screen

[Andy Townsend]

> I just installed kernel 4.15.0-180 ... problem is still there

Also for me - no problem in -176, but problems in -177 and -180.

If there's logs that it'd be useful to see, just ask.

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Title:
  linux-image-4.15.0-177-generic freezes on the welcome screen

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[Bug 1973167] Re: linux-image-4.15.0-177-generic freezes on the welcome screen

[Andy Townsend]

A similar issue here, different hardware and graphics to above machine.
Dell 5000, Ubuntu 18.04, boots OK off "4.15.0-176-generic" but with
"Linux 4.15.0-177-generic" hangs at the welcome screen.

"sudo lspci -vnvn" (when booted off 4.15.0-176-generic) returns:

00:00.0 Host bridge [0600]: Intel Corporation Xeon E3-1200 v6/7th Gen Core 
Processor Host Bridge/DRAM Registers [8086:5914] (rev 08)
Subsystem: Dell Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM 
Registers [1028:0808]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- 
Kernel driver in use: skl_uncore

00:02.0 VGA compatible controller [0300]: Intel Corporation UHD Graphics 620 
[8086:5917] (rev 07) (prog-if 00 [VGA controller])
Subsystem: Dell UHD Graphics 620 [1028:0808]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- 
Capabilities: [70] Express (v2) Root Complex Integrated Endpoint, MSI 00
DevCap: MaxPayload 128 bytes, PhantFunc 0
ExtTag- RBE+
DevCtl: Report errors: Correctable- Non-Fatal- Fatal- 
Unsupported-
RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
MaxPayload 128 bytes, MaxReadReq 128 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr- 
TransPend-
DevCap2: Completion Timeout: Not Supported, TimeoutDis-, LTR-, 
OBFF Not Supported
DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-, 
OBFF Disabled
Capabilities: [ac] MSI: Enable+ Count=1/1 Maskable- 64bit-
Address: fee00018  Data: 
Capabilities: [d0] Power Management version 2
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA 
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [100 v1] Process Address Space ID (PASID)
PASIDCap: Exec- Priv-, Max PASID Width: 14
PASIDCtl: Enable- Exec- Priv-
Capabilities: [200 v1] Address Translation Service (ATS)
ATSCap: Invalidate Queue Depth: 00
ATSCtl: Enable-, Smallest Translation Unit: 00
Capabilities: [300 v1] Page Request Interface (PRI)
PRICtl: Enable- Reset-
PRISta: RF- UPRGI- Stopped+
Page Request Capacity: 8000, Page Request Allocation: 

Kernel driver in use: i915
Kernel modules: i915

00:04.0 Signal processing controller [1180]: Intel Corporation Xeon E3-1200 
v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem [8086:1903] (rev 08)
Subsystem: Dell Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor 
Thermal Subsystem [1028:0808]
Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- 
Kernel driver in use: proc_thermal
Kernel modules: processor_thermal_device

00:13.0 Non-VGA unclassified device []: Intel Corporation Sunrise Point-LP 
Integrated Sensor Hub [8086:9d35] (rev 21)
Subsystem: Dell Sunrise Point-LP Integrated Sensor Hub [1028:0808]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- 
SERR- TAbort- SERR- TAbort- SERR- 
Kernel driver in use: intel-lpss
Kernel modules: intel_lpss_pci

00:16.0 Communication controller [0780]: Intel Corporation Sunrise Point-LP 
CSME HECI #1 [8086:9d3a] (rev 21)
Subsystem: Dell Sunrise Point-LP CSME HECI [1028:0808]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- 
SERR- TAbort- SERR- TAbort- Reset- FastB2B-
PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
Capabilities: [40] Express (v2) Root Port (Slot+), MSI 00
DevCap: MaxPayload 256 bytes, PhantFunc 0
ExtTag- RBE+
DevCtl: Report errors: Correctable+ Non-Fatal+ Fatal+ 
Unsupported+
RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
MaxPayload 256 bytes, MaxReadReq 128 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ 
TransPend-
LnkCap: Port #6, Speed 8GT/s, Width x1, ASPM L1, Exit Latency 
L0s <1us, L1 <16us
ClockPM- Surprise- LLActRep+ BwNot+ ASPMOptComp+
LnkCtl: ASPM L1 Enabled; RCB 64 bytes Disabled- CommClk+
  

[Bug 1972830] [NEW] CVE-2019-9705 fix limits to 1000 not 10000

[Andy Townsend]

Public bug reported:

According to
https://changelogs.ubuntu.com/changelogs/pool/main/c/cron/cron_3.0pl1-128.1ubuntu1.1/changelog
"ensure that no more than 1000 lines of
 length are allowed in crontabs"

However that change at Debian
https://salsa.debian.org/debian/cron/-/commit/26814a26

was very quickly superceded by
https://salsa.debian.org/debian/cron/-/commit/eba012444b2dcfaaeebc101848bcf42692f23499
("Increase maximum crontab length to 10,000 lines")

due to problems noted at
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=925276

** Affects: cron (Ubuntu)
 Importance: Undecided
 Status: New

** Summary changed:

- CVE-2019-9705 limits to 1000 not 1
+ CVE-2019-9705 fix limits to 1000 not 1

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Title:
  CVE-2019-9705 fix limits to 1000 not 1

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