A new (pretty tedious) bisect brought up this change: | e22bee782b3b00bd4534ae9b1c5fb2e8e6573c5c is the first bad commit | commit e22bee782b3b00bd4534ae9b1c5fb2e8e6573c5c | Author: Tejun Heo <t...@kernel.org> | Date: Tue Jun 29 10:07:14 2010 +0200 | | workqueue: implement concurrency managed dynamic worker pool
Reverting this commit reliably fixes the issue. In the meantime, I have also been able to reproduce the issue in a KVM virtual machine, i.e., it is not hardware-specific, but must probably affects suspend on any SMP system (but the probability may depend on the number of CPUs). Further details bout my system config (which is also mimicked by my VM): - lvm running on top of - dmcrypt (luks) running on top of - md raid1 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/746860 Title: System sporadically freezes during suspend to RAM -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
