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1. The mmap() problem is back (score: 1): Author: Wessel Dankers <wsl@xxxxxxxxxxxx>; Date: Sat, 3 Aug 2002 15:29:27 +0200; It seems that the problem that was fixed in http://marc.theaimsgroup.com/?l=linux-xfs&m=102440993727959&w=2 is back again. gcc 3.1 is barfing on some typical errors like weird characters at the end; /archives/xfs/2002-08/msg00048.html (8,373 bytes)
2. Re: The mmap() problem is back (score: 1): Author: Keith Owens <kaos@xxxxxxx>; Date: Sun, 04 Aug 2002 00:15:03 +1000; I don't see this problem, running xfs 2.4.19. mapcheck finds no errors, the test case from http://marc.theaimsgroup.com/?l=linux-xfs&m=102408887618294&w=2 passes. However I am running gcc 2.96, not 3; /archives/xfs/2002-08/msg00049.html (9,094 bytes)
3. Re: The mmap() problem is back (score: 1): Author: Wessel Dankers <wsl@xxxxxxxxxxxx>; Date: Sat, 3 Aug 2002 16:24:05 +0200; It's the compiler itself that fails, once the source file is corrected it produces a correct executable. A simple test case for me is: % rm -f foo % dmesg >foo % ls -l foo -rw-r-- 1 wsl wsl 8557 Aug; /archives/xfs/2002-08/msg00050.html (9,481 bytes)
4. Re: The mmap() problem is back (score: 1): Author: Stephen Lord <lord@xxxxxxx>; Date: 03 Aug 2002 11:02:55 -0500; If I remember correctly, that output means it found nothing wrong. Steve; /archives/xfs/2002-08/msg00051.html (10,067 bytes)
5. Re: The mmap() problem is back (score: 1): Author: Wessel Dankers <wsl@xxxxxxxxxxxx>; Date: Sat, 3 Aug 2002 18:08:59 +0200; It says "1 files fixed". That means it found a problem :) Now it is already fixed, and finds no error. Kind regards, -- Wessel Dankers <wsl@xxxxxxxxxxxx> waste water tank overflowed onto computer; /archives/xfs/2002-08/msg00052.html (9,395 bytes)
6. Re: The mmap() problem is back (score: 1): Author: Stephen Lord <lord@xxxxxxx>; Date: 03 Aug 2002 11:12:52 -0500; You are right of course, shows what an hour or so on a lawnmower does for my brain! Does not exhibit the problem on a couple of machines here. You are really running the kernel you think you are, are; /archives/xfs/2002-08/msg00053.html (9,801 bytes)
7. Re: The mmap() problem is back (score: 1): Author: Wessel Dankers <wsl@xxxxxxxxxxxx>; Date: Sat, 3 Aug 2002 18:59:41 +0200; Linux thunk 2.4.19-xfs #1 Sat Aug 3 12:52:09 CEST 2002 i586 unknown unknown GNU/Linux As I said in my other mail, it takes some trying to get it to produce the error. If I create different files with; /archives/xfs/2002-08/msg00054.html (10,550 bytes)
8. Re: The mmap() problem is back (score: 1): Author: Timothy Ball <timball@xxxxxxx>; Date: Sat, 3 Aug 2002 13:36:20 -0400; I was curious about the amount of error on my system mapcheck would find (I just install using the xfs enabled debian netinst cd). Upgraded the kernel immediately to: timball@kundera {74}$ uname -a L; /archives/xfs/2002-08/msg00055.html (10,784 bytes)
9. Re: The mmap() problem is back (score: 1): Author: Wessel Dankers <wsl@xxxxxxxxxxxx>; Date: Mon, 5 Aug 2002 10:58:06 +0200; I just tried a kernel without any patches whatsoever: it exhibits the same problem. I did notice that the file needs to be written in small chunks at a time. For example: dd if=/dev/zero of=foo bs=10; /archives/xfs/2002-08/msg00067.html (10,157 bytes)
10. Re: The mmap() problem is back (score: 1): Author: Ethan Benson <erbenson@xxxxxxxxxx>; Date: Mon, 5 Aug 2002 01:07:31 -0800; i have reproduced this problem quite easily as well with a plain 2.4.19 + split patches on powerpc, its not difficult at all to reproduce. -- Ethan Benson http://www.alaska.net/~erbenson/ Attachment:; /archives/xfs/2002-08/msg00070.html (11,283 bytes)
11. Re: The mmap() problem is back (score: 1): Author: Keith Owens <kaos@xxxxxxx>; Date: Tue, 06 Aug 2002 00:21:25 +1000; Could people reporting this problem please include their compiler and binutils versions (gcc -v ; ld -v). I am running 2.4.19-xfs from immediately after it was released, and I cannot reproduce the pr; /archives/xfs/2002-08/msg00073.html (10,189 bytes)
12. Re: The mmap() problem is back (score: 1): Author: Steve Lord <lord@xxxxxxx>; Date: 05 Aug 2002 09:31:04 -0500; I would have to concur with Keith here, I cannot reproduce this either, possibly compiler related, possibly something about peoples setups. My compiler: Reading specs from /usr/lib/gcc-lib/i386-redha; /archives/xfs/2002-08/msg00074.html (11,230 bytes)
13. Re: The mmap() problem is back (score: 1): Author: Florian Weimer <Weimer@xxxxxxxxxxxxxxxxxxxxx>; Date: Mon, 05 Aug 2002 19:47:47 +0200; I've encountered the same problem with ReiserFS ages ago. In this case, the page cache had the correct view, but the data on disk was wrong. Unless the page was somehow flushed, the real disk content; /archives/xfs/2002-08/msg00076.html (10,520 bytes)
14. Re: The mmap() problem is back (score: 1): Author: Wessel Dankers <wsl@xxxxxxxxxxxx>; Date: Mon, 5 Aug 2002 20:42:32 +0200; Compilers: (I tried each of them, all exhibited the mmap() problem) Reading specs from /usr/lib/gcc-lib/i386-linux/2.95.4/specs gcc version 2.95.4 20011002 (Debian prerelease) Reading specs from /usr; /archives/xfs/2002-08/msg00078.html (10,065 bytes)
15. Re: The mmap() problem is back (score: 1): Author: Ethan Benson <erbenson@xxxxxxxxxx>; Date: Mon, 5 Aug 2002 11:00:18 -0800; eb@dogbert ~$ gcc -v ; ld -v Reading specs from /usr/lib/gcc-lib/powerpc-linux/2.95.4/specs gcc version 2.95.4 20011002 (Debian prerelease) GNU ld version 2.12.90.0.1 20020307 Debian/GNU Linux -- Eth; /archives/xfs/2002-08/msg00079.html (10,438 bytes)
16. Re: The mmap() problem is back (score: 1): Author: "Sander Steffann" <sander@xxxxxxxxxxx>; Date: Mon, 5 Aug 2002 21:14:15 +0200; Hmmm. This sounds like a problem we had several months ago... Only we ran RedHat 6.2 with a 2.2 kernel and an ext2 filesystem. We noticed something was wrong when rsync started to hang. Even a kill; /archives/xfs/2002-08/msg00080.html (10,307 bytes)
17. Re: The mmap() problem is back (score: 1): Author: Steve Lord <lord@xxxxxxx>; Date: 05 Aug 2002 14:36:52 -0500; Ahh, I happen to have gcc 3.0.4 lurking on my box here, I have rebuilt a kernel with it and I am cleaning all the disks with mapcheck first. I will pound on it for a while and see what happens. Thank; /archives/xfs/2002-08/msg00081.html (10,676 bytes)
18. Re: The mmap() problem is back (score: 1): Author: Steve Lord <lord@xxxxxxx>; Date: 05 Aug 2002 15:12:43 -0500; OK, I replicated it here, then went back and replicated it with a different compiler. Not sure when I will manage to fix it, Eric is out this week and I am buried under ten thousand other things. Ste; /archives/xfs/2002-08/msg00082.html (10,392 bytes)
19. Re: The mmap() problem is back (score: 1): Author: Steve Lord <lord@xxxxxxx>; Date: 05 Aug 2002 17:02:03 -0500; Can you try this change and let me know if it fixes it for you, I did not check this in because I do not want to fix it this way, but it will confirm where the problem is coming from: Steve == Index:; /archives/xfs/2002-08/msg00083.html (9,765 bytes)
20. Re: The mmap() problem is back (score: 1): Author: Wessel Dankers <wsl@xxxxxxxxxxxx>; Date: Tue, 6 Aug 2002 12:27:26 +0200; Yes, I just tried it and the problem goes away! -- Wessel Dankers <wsl@xxxxxxxxxxxx> Repeated reboots of the system failed to solve problem; /archives/xfs/2002-08/msg00086.html (9,271 bytes)

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