** Description changed: - I am unable to run gdb successfully on an Oneric EC2 t1.micro 64-bit + I am unable to run gdb successfully on an Oneiric EC2 t1.micro 64-bit instance. The simplest case for reproducing this issue is to use "gdb /bin/true" and then the "run" command. gdb will hang and an "alignment check: 0000" from the kernel will appear in the dmesg output (full message included in the included debug info). This only seems to happen on EC2 t1.micro 64-bit instances in my limited testing. 32-bit instances seem to be OK, along with larger 64-bit instances. ProblemType: Bug DistroRelease: Ubuntu 11.10 Package: linux-image-3.0.0-12-virtual 3.0.0-12.20 ProcVersionSignature: User Name 3.0.0-12.20-virtual 3.0.4 Uname: Linux 3.0.0-12-virtual x86_64 AlsaDevices: - total 0 - crw-rw---- 1 root audio 116, 1 2011-10-31 11:21 seq - crw-rw---- 1 root audio 116, 33 2011-10-31 11:21 timer + total 0 + crw-rw---- 1 root audio 116, 1 2011-10-31 11:21 seq + crw-rw---- 1 root audio 116, 33 2011-10-31 11:21 timer AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 1.23-0ubuntu3 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory Date: Mon Oct 31 11:43:51 2011 Ec2AMI: ami-bbf539d2 Ec2AMIManifest: (unknown) Ec2AvailabilityZone: us-east-1c Ec2InstanceType: t1.micro Ec2Kernel: aki-825ea7eb Ec2Ramdisk: unavailable Lspci: - + Lsusb: Error: command ['lsusb'] failed with exit code 1: unable to initialize libusb: -99 ProcEnviron: - LANG=en_US.UTF-8 - SHELL=/bin/bash + LANG=en_US.UTF-8 + SHELL=/bin/bash ProcKernelCmdLine: root=LABEL=cloudimg-rootfs ro console=hvc0 ProcModules: acpiphp 24080 0 - Live 0x0000000000000000 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) - --- + --- AlsaDevices: - total 0 - crw-rw---- 1 root audio 116, 1 2011-10-31 20:32 seq - crw-rw---- 1 root audio 116, 33 2011-10-31 20:32 timer + total 0 + crw-rw---- 1 root audio 116, 1 2011-10-31 20:32 seq + crw-rw---- 1 root audio 116, 33 2011-10-31 20:32 timer AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 1.23-0ubuntu3 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory DistroRelease: Ubuntu 11.10 Ec2AMI: ami-bbf539d2 Ec2AMIManifest: (unknown) Ec2AvailabilityZone: us-east-1c Ec2InstanceType: t1.micro Ec2Kernel: aki-825ea7eb Ec2Ramdisk: unavailable Lspci: - + Lsusb: Error: command ['lsusb'] failed with exit code 1: unable to initialize libusb: -99 Package: linux (not installed) ProcEnviron: - LANG=en_US.UTF-8 - SHELL=/bin/bash + LANG=en_US.UTF-8 + SHELL=/bin/bash ProcKernelCmdLine: root=LABEL=cloudimg-rootfs ro console=hvc0 ProcModules: acpiphp 24080 0 - Live 0x0000000000000000 ProcVersionSignature: User Name 3.0.0-12.20-virtual 3.0.4 Tags: oneiric ec2-images Uname: Linux 3.0.0-12-virtual x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm admin audio cdrom dialout dip floppy netdev plugdev video
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/884181 Title: Running gdb causes "alignment check: 0000" error on 64-bit EC2 t1.micro instances To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/884181/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
