Dropped importance. Not everyone feels this is a release blocker.
** Changed in: mir
Importance: Critical => High
** Also affects: mir/0.20
Importance: Undecided
Status: New
** Also affects: mir/0.19
Importance: Undecided
Status: New
** Changed in: mir/0.19
Importance: Undecided => High
** Changed in: mir/0.19
Status: New => Triaged
** Changed in: mir/0.20
Importance: Undecided => High
** Changed in: mir/0.20
Status: New => Triaged
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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to mir in Ubuntu.
https://bugs.launchpad.net/bugs/1536662
Title:
[regression] Black screen: Mir hangs and then crashes on login due to
reading from /dev/random
Status in Mir:
Triaged
Status in Mir 0.19 series:
Triaged
Status in Mir 0.20 series:
Triaged
Status in Unity System Compositor:
Fix Committed
Status in mir package in Ubuntu:
Confirmed
Status in unity-system-compositor package in Ubuntu:
New
Bug description:
cookie_factory attempts to read data from /dev/random at boot, and
blocks until it has enough random data or timesout after 30 seconds.
How I can reproduce
1. Run the Unity8 greeter as a mir server
2. Reboot
Expected behavior: Greeter is displayed as mir && USC run happily
Actual behavior: Mir throws an exception after 30 seconds
Work-around:
Before logging in, move the mouse around lots, for at least 20 seconds. And
after logging in, while you're looking at a black screen, move the mouse around
furiously. This will populate the kernel entropy pool sufficiently to avoid the
hang and crash.
To manage notifications about this bug go to:
https://bugs.launchpad.net/mir/+bug/1536662/+subscriptions
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