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 built with

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 added

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 built with

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 an unused

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 mmap

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.

2013-07-18 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

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,

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

2013-07-18 Thread George Hartzell
Richard Todd writes: George Hartzell hartz...@alerce.com 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

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 that

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 use

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

2013-07-17 Thread George Hartzell
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's using grip and produce flac files.

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

2013-07-17 Thread Richard Todd
George Hartzell hartz...@alerce.com 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: