Re: Reproducible, corrupt packfile after fresh git-svn checkout message

2013-08-15 Thread Ben Tebulin
Just as a catchup for everybody being interested: I finally wrote to the linux-mm newsgroup and Linus pointed out, that this might be a known bug yet not fixed in mainline. Unfortunately this doesn't seem to stand the test; but as far as Git is concerned, it appears that that they are willing to

Reproducible, corrupt packfile after fresh git-svn checkouts - IDENTIFIED

2013-08-14 Thread Ben Tebulin
Hello everybody! I'm the guy having the issue, that in a particular Git repository the reads of an object fail the SHA1 reproducible on *two independent machines* . The issue occurs on a very specific repository starting with Linux Kernel 3.7.2. Unfortunately my E-Mail to the kernel list dit get

Re: Reproducible, corrupt packfile after fresh git-svn checkout message

2013-08-14 Thread Ben Tebulin
My best theory so far: malloc()/free() actually use mmap()/munmap() for large allocations. mallopt(3) tells me that [...] Many things I don't grab at first go :-) Last night I did a long git-bisect of the kernel and was able to pinpoint a change in the Linux memory management as cause (see

Re: Reproducible, corrupt packfile after fresh git-svn checkout message

2013-08-09 Thread Ben Tebulin
Hello everybody! I have some _very interesting_ news regarding this issue! Here is the deal: 1. I was able to *reproduce the error on a machine of a coworker!* 2. I was able to rule out - HDD: It's reproducible from /dev/shm - Memory: Memory tests works fine now the interesting

Re: Reproducible, corrupt packfile after fresh git-svn checkout message (gitml: message 5 of 20) (gitml: message 6 of 20)

2013-08-08 Thread Ben Tebulin
Am 08.08.2013 16:20, schrieb Thomas Rast - tr...@inf.ethz.ch: Can you try to reproduce with a version older than v1.8.3? E.g. v1.8.2.3. I'm asking because the above points at packed_object_info(), which I recently rewrote to be nonrecursive. It seems to run 'much better' v1.8.2.3 : 3/10

Re: Reproducible, corrupt packfile after fresh git-svn checkout message

2013-08-08 Thread Ben Tebulin
I was unable to reproduce the error with the same repo and same Git version on a different machine (Debian Squeeze x64 on a AMD Phenom x6 1045T). I'm running out of ideas. Me, too. Based on out current observations I'd assume one of: a) a rare, timing-sensitive bug in Git b) a