Re: Help with filing a [maybe] ZFS/mmap bug.

2013-09-22 Thread George Hartzell
Andriy Gapon writes: > on 18/07/2013 20:44 George Hartzell said the following: > > Andriy Gapon writes: > > > on 17/07/2013 23:47 George Hartzell said the following: > > > > How should I move forward with this? > > > > > > Could you please try to reproduce this problem using a kernel bui

Re: Help with filing a [maybe] ZFS/mmap bug.

2013-08-07 Thread George Hartzell
Andriy Gapon writes: > on 18/07/2013 20:44 George Hartzell said the following: > > Andriy Gapon writes: > > > on 17/07/2013 23:47 George Hartzell said the following: > > > > How should I move forward with this? > > > > > > Could you please try to reproduce this problem using a kernel bui

Re: Help with filing a [maybe] ZFS/mmap bug.

2013-08-07 Thread Andriy Gapon
on 18/07/2013 20:44 George Hartzell said the following: > Andriy Gapon writes: > > on 17/07/2013 23:47 George Hartzell said the following: > > > How should I move forward with this? > > > > Could you please try to reproduce this problem using a kernel built with > > INVARIANTS options? > > I

Re: Help with filing a [maybe] ZFS/mmap bug.

2013-07-24 Thread George Hartzell
George Hartzell writes: > > George Hartzell writes: > > George Hartzell writes: > > > [...] > > > So, it would seem that there's something about the filesystem in which > > > my home directory resides that contributes to the problem. > > > [...] > > > > Another data point. >

Re: Help with filing a [maybe] ZFS/mmap bug.

2013-07-21 Thread George Hartzell
George Hartzell writes: > George Hartzell writes: > > [...] > > So, it would seem that there's something about the filesystem in which > > my home directory resides that contributes to the problem. > > [...] > > Another data point. > > [...] Yet another data point or three. I took

Re: Help with filing a [maybe] ZFS/mmap bug.

2013-07-19 Thread George Hartzell
George Hartzell writes: > [...] > So, it would seem that there's something about the filesystem in which > my home directory resides that contributes to the problem. > [...] Another data point. I just ran through my test case, saving the tagged and transcoded files into /tmp, a zfs filesystem

Re: Help with filing a [maybe] ZFS/mmap bug.

2013-07-19 Thread George Hartzell
Richard Todd writes: > On Thu, Jul 18, 2013 at 11:40:51AM -0700, George Hartzell wrote: > [...] > > [...] > > In my case I'd want to find a particular set of file size, offset, and > > insertion size that triggers the problem and code up a c/c++ equiv. of > > the

Re: Help with filing a [maybe] ZFS/mmap bug.

2013-07-18 Thread Richard Todd
On Thu, Jul 18, 2013 at 11:40:51AM -0700, George Hartzell wrote: > Removing the mmap support from those two routines seems to avoid the > issue. Aha. > > If so, then the issue is triggered by one or both of those two routines; > > hack them to print out the exact offsets used on each call and

Re: Help with filing a [maybe] ZFS/mmap bug.

2013-07-18 Thread Alexander Yerenkow
I know how all not loving "me-too" emails, but I'll try :) There's a rtorrent, which uses mmap. And I had cases (related to reboot), where big files (or average files in many-files torrents) appears with broken checksum without any good reason. Author of rtorrent not very politely always assume tha

Re: Help with filing a [maybe] ZFS/mmap bug.

2013-07-18 Thread George Hartzell
Richard Todd writes: > George Hartzell writes: > > > Hi All, > > > > I have what I think is a ZFS related bug. > > [...] > > [summary: Picard seems to trigger an mmap consistency bug in ZFS]. > > [...] > Anyway, what I'd suggest is the following: see if my patch for py-mutagen > disa

Re: Help with filing a [maybe] ZFS/mmap bug.

2013-07-18 Thread George Hartzell
Andriy Gapon writes: > on 17/07/2013 23:47 George Hartzell said the following: > > How should I move forward with this? > > Could you please try to reproduce this problem using a kernel built with > INVARIANTS options? I added INVARIANT_SUPPORT and INVARIANTS options to the GENERIC kernel, r

Re: Help with filing a [maybe] ZFS/mmap bug.

2013-07-18 Thread Andriy Gapon
on 17/07/2013 23:47 George Hartzell said the following: > How should I move forward with this? Could you please try to reproduce this problem using a kernel built with INVARIANTS options? -- Andriy Gapon ___ freebsd-stable@freebsd.org mailing list http

Re: Help with filing a [maybe] ZFS/mmap bug.

2013-07-17 Thread Richard Todd
George Hartzell writes: > Hi All, > > I have what I think is a ZFS related bug. Unfortunately my simplest > test case is a bit cumbersome and I haven't definitively proven that > the problem is ZFS related. > I'm hoping for some feedback on how to move forward. > > Quick background: I rip my CD