[Bug 1781806] Re: With intel-microcode 3.20180425.1, Xorg crashes with SIGABRT in __memcpy_avx_unaligned()
Henrique de Moraes Holschuh
1781806 at bugs.launchpad.net
Thu Aug 30 10:51:52 UTC 2018
Can you give us the with-old-microcode and with-new-microcode contents
of /proc/cpuinfo, please?
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https://bugs.launchpad.net/bugs/1781806
Title:
With intel-microcode 3.20180425.1, Xorg crashes with SIGABRT in
__memcpy_avx_unaligned()
Status in intel-microcode package in Ubuntu:
New
Bug description:
With intel-microcode 3.20151106.1, my laptop is fine
With intel-microcode 3.20180425.1, Xorg crashes with SIGABRT in __memcpy_avx_unaligned()
All other packages are at the most recent release. I have been back
and forth many times and I am quite sure that updating the microcode
results in frequent Xorg crashes.
$ sudo apt-cache policy intel-microcode
intel-microcode:
Installed: 3.20151106.1
Candidate: 3.20180425.1~ubuntu0.16.04.1
Version table:
3.20180425.1~ubuntu0.16.04.1 500
500 http://us.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
500 http://security.ubuntu.com/ubuntu xenial-security/main amd64 Packages
*** 3.20151106.1 500
500 http://us.archive.ubuntu.com/ubuntu xenial/restricted amd64 Packages
100 /var/lib/dpkg/status
$ apt list --upgradable -a
Listing... Done
intel-microcode/xenial-updates,xenial-security 3.20180425.1~ubuntu0.16.04.1 amd64 [upgradable from: 3.20151106.1]
intel-microcode/xenial,now 3.20151106.1 amd64 [installed,upgradable to: 3.20180425.1~ubuntu0.16.04.1]
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.4 LTS
Release: 16.04
Codename: xenial
$ sudo lshw -short
H/W path Device Class Description
======================================================
system Inspiron 5767 (0768)
/0 bus 03XWWJ
/0/0 memory 64KiB BIOS
/0/3a memory 16GiB System Memory
/0/3a/0 memory 8GiB SODIMM Synchronous 2400 MHz (0.4 ns)
/0/3a/1 memory 8GiB SODIMM Synchronous 2400 MHz (0.4 ns)
/0/3e memory 128KiB L1 cache
/0/3f memory 512KiB L2 cache
/0/40 memory 3MiB L3 cache
/0/41 processor Intel(R) Core(TM) i5-7200U CPU @ 2.50GHz
/0/100 bridge Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers
/0/100/2 display HD Graphics 620
/0/100/4 generic Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem
/0/100/14 bus Sunrise Point-LP USB 3.0 xHCI Controller
/0/100/14/0 usb1 bus xHCI Host Controller
/0/100/14/0/5 multimedia Integrated Webcam
/0/100/14/0/6 generic USB2.0-CRW
/0/100/14/0/8 communication Bluetooth wireless interface
/0/100/14/1 usb2 bus xHCI Host Controller
/0/100/14.2 generic Sunrise Point-LP Thermal subsystem
/0/100/15 generic Sunrise Point-LP Serial IO I2C Controller #0
/0/100/15.1 generic Sunrise Point-LP Serial IO I2C Controller #1
/0/100/16 communication Sunrise Point-LP CSME HECI #1
/0/100/17 storage Sunrise Point-LP SATA Controller [AHCI mode]
/0/100/1c bridge Sunrise Point-LP PCI Express Root Port #5
/0/100/1c/0 wlp1s0 network Wireless 3165
/0/100/1c.5 bridge Sunrise Point-LP PCI Express Root Port #6
/0/100/1c.5/0 enp2s0 network RTL810xE PCI Express Fast Ethernet controller
/0/100/1f bridge Sunrise Point-LP LPC Controller
/0/100/1f.2 memory Memory controller
/0/100/1f.3 multimedia Sunrise Point-LP HD Audio
/0/100/1f.4 bus Sunrise Point-LP SMBus
/0/1 scsi0 storage
/0/1/0.0.0 /dev/sda disk 500GB Samsung SSD 840
/0/1/0.0.0/1 /dev/sda1 volume 487MiB Linux filesystem partition
/0/1/0.0.0/2 /dev/sda2 volume 465GiB Extended partition
/0/1/0.0.0/2/5 /dev/sda5 volume 465GiB Linux filesystem partition
/0/2 scsi1 storage
/0/2/0.0.0 /dev/cdrom disk DVD+-RW DU-8A5LH
/1 power DELL Y3F7Y6B
$ sudo lshw -C video
*-display
description: VGA compatible controller
product: HD Graphics 620
vendor: Intel Corporation
physical id: 2
bus info: pci at 0000:00:02.0
version: 02
width: 64 bits
clock: 33MHz
capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:279 memory:d0000000-d0ffffff memory:c0000000-cfffffff ioport:f000(size=64) memory:c0000-dffff
$ sudo lshw -C processor
*-cpu
description: CPU
product: Intel(R) Core(TM) i5-7200U CPU @ 2.50GHz
vendor: Intel Corp.
physical id: 41
bus info: cpu at 0
version: Intel(R) Core(TM) i5-7200U CPU @ 2.50GHz
serial: To Be Filled By O.E.M.
slot: U3E1
size: 800MHz
capacity: 3100MHz
width: 64 bits
clock: 100MHz
capabilities: x86-64 fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single pti retpoline intel_pt rsb_ctxsw tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid mpx rdseed adx smap clflushopt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp cpufreq
configuration: cores=2 enabledcores=2 threads=4
$ sudo grep -i signature /var/crash/_usr_lib_xorg_Xorg.0.crash
ProcVersionSignature: Ubuntu 4.13.0-45.50~16.04.1-generic 4.13.16
StacktraceAddressSignature: /usr/lib/xorg/Xorg:6:/lib/x86_64-linux-
gnu/libc-2.23.so+35428:/lib/x86_64-linux-
gnu/libc-2.23.so+3702a:/usr/lib/xorg/Xorg+1b88fa:/usr/lib/xorg/Xorg+973ec:/usr/lib/xorg/Xorg+1be4d2:/usr/lib/xorg/Xorg+1bf30d:/usr/lib/xorg/Xorg+1b5bae:/usr/lib/x86_64
-linux-gnu/dri/i965_dri.so+18d79e:/usr/lib/x86_64-linux-
gnu/dri/i965_dri.so+18db92:/usr/lib/x86_64-linux-
gnu/dri/i965_dri.so+18e602:/usr/lib/x86_64-linux-
gnu/dri/i965_dri.so+43a928:/usr/lib/x86_64-linux-
gnu/dri/i965_dri.so+17901b:/usr/lib/x86_64-linux-
gnu/dri/i965_dri.so+17bcb7:/usr/lib/x86_64-linux-
gnu/dri/i965_dri.so+17f1a8:/usr/lib/xorg/modules/libglamoregl.so+1c520
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