I get the problem described here and similar messages in syslog/dmesg My installation medium is correct:
# dd if=ubuntu-15.04-desktop-amd64.iso of=/dev/sdc 2247744+0 records in 2247744+0 records out 1150844928 bytes (1.2 GB) copied, 291.473 s, 3.9 MB/s # dd if=/dev/sdc of=test.iso count=2247744 2247744+0 records in 2247744+0 records out 1150844928 bytes (1.2 GB) copied, 57.7608 s, 19.9 MB/s root@mnemonic:~/Downloads# md5sum ubuntu-15.04-desktop-amd64.iso test.iso 53c869eba8686007239a650d903847fd ubuntu-15.04-desktop-amd64.iso 53c869eba8686007239a650d903847fd test.iso When I tried to verify the disc from the target machine in the 15.04 Live session, I got the IO error described above... I'm currently trying to install using another sd card, but this issue is clearly not invalid and not a corrupted iso issue... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1448466 Title: Installer exits because of IO error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1448466/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
