Re: problem: Corrupted filesystem
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Re: problem: Corrupted filesystem
Because my mail to Thanatermesis was rejected, I forward a mail from him and my reply. -- Date: Mon, 7 Apr 2008 15:35:34 +0200 From: Thanatermesis [EMAIL PROTECTED] Reply-To: [EMAIL PROTECTED] To: [EMAIL PROTECTED] [EMAIL PROTECTED] Subject: Re: problem: Corrupted filesystem I apologize for my delay in the reply What I have do exactly is just not-use the lzma compression for now, but Im not sure to use it due to the more high cpu needed in the decompression so, everytime something on the system is readed This is why i preffer to use gzip compression (my livecd is also for low machines, so lzma can be not the better option), anybody has a comparision benchmark between gzip VS lzma ? Thanks Thanatermesis -- From: [EMAIL PROTECTED] Subject: Re: problem: Corrupted filesystem To: [EMAIL PROTECTED] Date: Mon, 07 Apr 2008 23:08:16 +0900 Thanatermesis: I apologize for my delay in the reply What I have do exactly is just not-use the lzma compression for now, but Im not sure to use it due to the more high cpu needed in the decompression so, everytime something on the system is readed This is why i preffer to use gzip compression (my livecd is also for low machines, so lzma can be not the better option), anybody has a comparision benchmark between gzip VS lzma ? The sqlzma patch is already fixed and you can get from http://www.squashfs-lzma.org. Also the site describes about som comparsion. By the way, your mail sent to me only, instead of aufs-users ML. Did you wanted to post the message to ML? If so, you can forward this message to the ML too, when you forward yours to ML. Junjiro Okajima - This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Register now and save $200. Hurry, offer ends at 11:59 p.m., Monday, April 7! Use priority code J8TLD2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone
problem: Corrupted filesystem
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problem: Corrupted filesystem
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Re: problem: Corrupted filesystem
[EMAIL PROTECTED]: The real cause was NOT in aufs (or unionfs), but in squashfs, more exactly due to the LZMA compression, more information in http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=456489 It seems that debian people failed to apply sqlzma patch for squashfs, or to build their packages, since I have never heard such problem around sqlzma patch. I have to apologize debian people and others since I found a bug in sqlzma patch. The fixed version will be released after some tests. Junjiro Okajima - This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse012070mrt/direct/01/
Re: problem: Corrupted filesystem
Tomas M: I just received several reports (from 5 different people) that they are trying to build a Live CD, and their squashfs filesystems seem corrupted (while extracting the squashfs image using unsquashfs results in 100% correct data). So it seems to me like a problem with squashfs in-kernel driver, or something. Oh, I never meant to blame you. If my mail made you offended, I shall apologize you. Anyway, how was the problem solved? I received only empty messages from [EMAIL PROTECTED], so I am unable to track your conversation :( Actually I don't know what he did. There is no private conversation about sqlzma between thanatermesis and me. All I know is the URL he posted to aufs ML. And according to the post from Michael S. Zick to aufs ML, I don't think you made something wrong. Junjiro Okajima - This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse012070mrt/direct/01/
Re: problem: Corrupted filesystem
On Wed February 20 2008 08:13, [EMAIL PROTECTED] wrote: Tomas M: I just received several reports (from 5 different people) that they are trying to build a Live CD, and their squashfs filesystems seem corrupted (while extracting the squashfs image using unsquashfs results in 100% correct data). So it seems to me like a problem with squashfs in-kernel driver, or something. Oh, I never meant to blame you. If my mail made you offended, I shall apologize you. Anyway, how was the problem solved? I received only empty messages from [EMAIL PROTECTED], so I am unable to track your conversation :( Actually I don't know what he did. There is no private conversation about sqlzma between thanatermesis and me. All I know is the URL he posted to aufs ML. And according to the post from Michael S. Zick to aufs ML, I don't think you made something wrong. Here is my first test run: http://eee-developers.com/index.cgi?b-lininstall/m-1201306397/ Still haven't seen any problems like Debian reports - and I am building the system in-tree with the kernel build system. Mike Junjiro Okajima - This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse012070mrt/direct/01/ - This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse012070mrt/direct/01/
Re: problem: Corrupted filesystem
[EMAIL PROTECTED] wrote: Tomas M: I just received several reports (from 5 different people) that they are trying to build a Live CD, and their squashfs filesystems seem corrupted (while extracting the squashfs image using unsquashfs results in 100% correct data). So it seems to me like a problem with squashfs in-kernel driver, or something. Oh, I never meant to blame you. If my mail made you offended, I shall apologize you. nono, don't worry :) I am just facing several reports from some people who have troubles with squashfs+sqlzma+aufs+whatever, I would like to help them fix it, but I am completely unable to reproduce it (everything works 100% for me). So I hoped you were talking with thanatermesis about it a bit and someone of you found something. Never mind :) It is possible that all the people I am talking with use different squashfs or sqlzma code (eg. from debian etc.). I will ask them :) I didn't realize there are other people mangling with the code instead of downloading the fresh copy from squashfs-lzma.org :-) Tomas M - This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse012070mrt/direct/01/
