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benmctee 10-13-2012 02:42 AM

Several ___ crashed with SIGSEGV errors upon startup
 
Greetings! I am having some strange errors after rebooting. My system is Ubuntu 12.04, and upon logging in to my desktop, I get several system error notifications which ask if I want to Cancel or Continue. When I view details, these are what I get:

dpkg:
Code:

ExecutablePath
/usr/bin/dpkg

Package
dpkg 1.16.1.2ubuntu7

Title
dpkg crashed with SIGSEGV

ProblemType
Crash

ApportVersion
2.0.1-0ubuntu13

Architecture
amd64

DistroRelease
Ubuntu 12.04

InstallationMedia
Ubuntu 10.10 "Maverick Meerkat"

NonfreeKernelModules
nvidia

PackageArchitecture
all

ProcCmdline
/usr/bin/dpkg --status-fd 55 --unpack --auto-deconfigure /var/cache/apt/archives/ruby1.8-dev_1.8.7.352-2ubuntu1.1_amd64.deb /var/cache/apt/archives/ruby1.8_1.8.7.352-2ubuntu1.1_amd64.deb /var/cache/apt/archives/libruby1.8_1.8.7.352-2ubuntu1.1_amd64.deb

ProcEnviron
PATH=(custom, no user)

ProcVersionSignature
Ubuntu 3.2.0-31.50-generic 3.2.28

SegvAnalysis
Segfault happened at: 0x4195ac:    mov    0x8(%rax),%r13
PC (0x004195ac) ok
source "0x0(%rax)" (0x2000247a338) not located in a known VMA region (needed readable region)!
destination "%r13" ok

SegvReason
reading unknown VMA

Signal
11

SourcePackage
dpkg

Uname
Linux 3.2.0-31-generic x86_64

colord:
Code:

ExecutablePath
/usr/lib/x86_64-linux-gnu/colord/colord

Package
colord 0.1.16-2

Title
colord crashed with SIGSEGV

ProblemType
Crash

ApportVersion
2.0.1-0ubuntu13

Architecture
amd64

DistroRelease
Ubuntu 12.04

InstallationMedia
Ubuntu 10.10 "Maverick Meerkat"

NonfreeKernelModules
nvidia

PackageArchitecture
amd64

ProcCmdline
/usr/lib/x86_64-linux-gnu/colord/colord

SegvAnalysis
Segfault happened at: 0x7fac473d092c:    mov    %rax,0x8(%rdx)
PC (0x7fac473d092c) ok
source "%rax" ok
destination "0x8(%rdx)" (0x00000008) not located in a known VMA region (need writable region)!

SegvReason
writing NULL VMA

Signal
11

SourcePackage
colord

Uname
Linux 3.2.0-31-generic x86_64

UserGroups
scanner

dpkg-preconfigure:
Code:

ExecutablePath
/usr/sbin/dpkg-preconfigure

Package
debconf 1.5.42ubuntu1

Title
dpkg-preconfigure crashed with SIGSEGV in Perl_hv_undef_flags()

ProblemType
Crash

ApportVersion
2.0.1-0ubuntu13

Architecture
amd64

DistroRelease
Ubuntu 12.04

InstallationMedia
Ubuntu 10.10 "Maverick Meerkat"

NonfreeKernelModules
nvidia

PackageArchitecture
all

ProcCmdline
/usr/bin/perl -w /usr/sbin/dpkg-preconfigure --apt

ProcEnviron
PATH=(custom, no user)

ProcVersionSignature
Ubuntu 3.2.0-31.50-generic 3.2.28

SegvAnalysis
Segfault happened at: 0x7f29bd24ef1c:    mov    0x0(%rbp),%r12
PC (0x7f29bd24ef1c) ok
source "0x0(%rbp)" (0x2000000000) not located in a known VMA region (needed readable region)!
destination "%r12" ok

SegvReason
reading unknown VMA

Signal
11

SourcePackage
debconf

Uname
Linux 3.2.0-31-generic x86_64

perl:
Code:

ExecutablePath
/usr/bin/perl

Package
perl-base 5.14.2-6ubuntu2.1

Title
perl crashed with SIGSEGV in Perl_hv_common()

ProblemType
Crash

ApportVersion
2.0.1-0ubuntu13

Architecture
amd64

DistroRelease
Ubuntu 12.04

InstallationMedia
Ubuntu 10.10 "Maverick Meerkat"

NonfreeKernelModules
nvidia

PackageArchitecture
amd64

ProcCmdline
/usr/share/webmin/webmincron/webmincron.pl

SegvAnalysis
Segfault happened at: 0x7f911a2f8c14:    mov    0x8(%rax),%rcx
PC (0x7f911a2f8c14) ok
source "%rax" (0x20002659b58) not located in a known VMA region (needed readable region)!
destination "%rcx" ok

SegvReason
reading unknown VMA

Signal
11

SourcePackage
perl

Uname
Linux 3.2.0-31-generic x86_64

UserGroups

It looks to me as if there are improper permissions set up; however, I don't want to go changing folder permissions if this is an incorrect assumption. Any ideas?

segmentation_fault 10-15-2012 06:19 AM

Segmentation faults happen when a process tries to access a memory adress that they are not supposed to. It could be a bug in the program's code (I doubt this is the case here) or I have seen it happen with a faulty RAM module installed / incorrect RAM timing settings. Try running memtest and try the RAM modules one by one to check if this is the problem here.

benmctee 10-15-2012 02:15 PM

Great! Thanks for the advice. I will try this tonight when I get home and report back.

benmctee 10-15-2012 10:37 PM

It seems I am not the only one seeing these issues: Ubuntu program crashes.

I tried memtest and received the following:
Code:

error: too small lower memory (0x99100 > 0x8f000)
A bit of googling yields a Launchpad Bug (Bug #560839) describing this memtest issue.

I'm open to other options for anyone familiar with this or has any insight.


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