[tahoe-lafs-trac-stream] [tahoe-lafs] #1418: "cannot convert float NaN to integer" in next_power_of_k, during upload via helper
tahoe-lafs
trac at tahoe-lafs.org
Tue Feb 28 16:37:38 UTC 2012
#1418: "cannot convert float NaN to integer" in next_power_of_k, during upload via
helper
-------------------------+-------------------------------------------------
Reporter: rycee | Owner: rycee
Type: defect | Status: new
Priority: major | Milestone: undecided
Component: code | Version: 1.8.2
Resolution: | Keywords: helper upload heisenbug
Launchpad Bug: | floatingpoint
-------------------------+-------------------------------------------------
Comment (by zooko):
There was a bug in the Linux kernel that would cause floating point state
to be wrong "on 32-bit linux on modern CPUs":
http://article.gmane.org/gmane.linux.kernel/1258780
comment:16 says that rycee's machine was in 32-bit mode. rycee's
[/attachment/ticket/1418/show-tool-versions-output.txt show-tool-versions
output] says that the kernel was 2.6.32-5 (from Debian). I wasn't able to
tell from the kernel patch comments when this bug was introduced into the
kernel.
Anyway, since rycee appears to have lost interest in debugging this, I
suggest we close this ticket as unreproducible until rycee or someone else
who can reproduce it reappears.
--
Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1418#comment:31>
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