Ubuntu
btrfs-tools package

btrfs-convert crashed with SIGSEGV in btrfs_csum_file_block()

Bug #970892 reported by Gabriel de Perthuis on 2012-04-01

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	btrfs-tools (Ubuntu)	New	Medium	Unassigned

Bug Description

The crash happened after a few hours, when converting a large (550Gio) ext4 filesystem, and before the conversion could complete.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: btrfs-tools 0.19+20100601-3ubuntu3
ProcVersionSignature: Ubuntu 3.2.0-20.33-generic 3.2.12
Uname: Linux 3.2.0-20-generic x86_64
ApportVersion: 2.0-0ubuntu2
Architecture: amd64
CrashCounter: 1
Date: Sun Apr 1 13:48:08 2012
EcryptfsInUse: Yes
ExecutablePath: /sbin/btrfs-convert
ProcCmdline: btrfs-convert /dev/mapper/raid-consolidated
ProcEnviron:
TERM=linux
SHELL=/bin/bash
PATH=(custom, no user)
LANG=fr_FR.UTF-8
LANGUAGE=fr_FR:en
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: btrfs-tools
Title: btrfs-convert crashed with SIGSEGV in btrfs_csum_file_block()
UpgradeStatus: Upgraded to precise on 2012-03-25 (6 days ago)
UserGroups: pkcs11

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Revision history for this message

Gabriel de Perthuis (g2p) wrote on 2012-04-01:

Dependencies.txt Edit (718 bytes, text/plain; charset="utf-8")
Disassembly.txt Edit (1.0 KiB, text/plain; charset="utf-8")
ProcMaps.txt Edit (3.3 KiB, text/plain; charset="utf-8")
ProcStatus.txt Edit (782 bytes, text/plain; charset="utf-8")
Registers.txt Edit (728 bytes, text/plain; charset="utf-8")
SegvAnalysis.txt Edit (216 bytes, text/plain; charset="utf-8")
Stacktrace.txt Edit (5.8 KiB, text/plain; charset="utf-8")
StacktraceTop.txt Edit (1009 bytes, text/plain; charset="utf-8")
ThreadStacktrace.txt Edit (5.9 KiB, text/plain; charset="utf-8")

Revision history for this message

Apport retracing service (apport) wrote on 2012-04-02: Stacktrace.txt

Stacktrace.txt Edit (4.6 KiB, text/plain)

Revision history for this message

Apport retracing service (apport) wrote on 2012-04-02: StacktraceTop.txt

StacktraceTop.txt Edit (1009 bytes, text/plain)

Revision history for this message

Apport retracing service (apport) wrote on 2012-04-02: ThreadStacktrace.txt

ThreadStacktrace.txt Edit (4.7 KiB, text/plain)

Changed in btrfs-tools (Ubuntu):
importance:	Undecided → Medium
tags:	removed: need-amd64-retrace

Gabriel de Perthuis (g2p) on 2012-04-02

visibility:

private → public

Revision history for this message

Gabriel de Perthuis (g2p) wrote on 2012-04-02:

Doesn't happen with the current btrfs-progs git — 1957076ab4fefa47b6efed3da541bc974c83eed7 https://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-progs.git — but this would take far too long to bisect.

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btrfs-convert crashed with SIGSEGV in btrfs_csum_file_block()

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btrfs-tools package