Re: clang/llvm 3.9.0 mysteriously zeroing variables?

2016-12-20 Thread Dimitry Andric
See here: https://lists.freebsd.org/pipermail/svn-src-head/2016-December/094657.html and here: https://lists.freebsd.org/pipermail/svn-src-head/2016-December/094695.html I committed a fix on Dec 14, and MFCd it on Dec 18. -Dimitry > On 20 Dec 2016, at 11:54, Jakub Palider

Re: clang/llvm 3.9.0 mysteriously zeroing variables?

2016-12-20 Thread Jakub Palider
Hi, do you still observe this behaviour? Which type of EC2 instances were affected? I tried to reproduce with kernel/tools from Dec 15 and did not manage to crash the machine. Jakub On Sun, Dec 4, 2016 at 5:38 PM, Dimitry Andric wrote: > On 04 Dec 2016, at 10:52, Hans Petter

Re: clang/llvm 3.9.0 mysteriously zeroing variables?

2016-12-04 Thread Dimitry Andric
On 04 Dec 2016, at 10:52, Hans Petter Selasky wrote: > > On 12/04/16 01:04, Colin Percival wrote: >> Starting with r309124 (when clang/llvm 3.9.0 was imported) I'm seeing EC2 >> instances panic on boot with a division-by-zero error; the code in question >> is in blkfront.c,

Re: clang/llvm 3.9.0 mysteriously zeroing variables?

2016-12-04 Thread Hans Petter Selasky
On 12/04/16 01:04, Colin Percival wrote: Starting with r309124 (when clang/llvm 3.9.0 was imported) I'm seeing EC2 instances panic on boot with a division-by-zero error; the code in question is in blkfront.c, printing out the size of disks: device_printf(dev, "%juMB <%s> at