linux-kernel - Re: Fwd: Re: UML kernel crash of v2.6.36-rcX kernel

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Message-ID: <AANLkTimQQyYJorR81pt7Y7L8ru7OfPfzBtrT7FeA6m6W@mail.gmail.com>
Date:	Mon, 18 Oct 2010 10:48:23 +0200
From:	richard -rw- weinberger <richard.weinberger@...il.com>
To:	Toralf Förster <toralf.foerster@....de>
Cc:	Christoph Hellwig <hch@....de>,
	user-mode-linux-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org, Richard Weinberger <richard@....at>,
	Al Viro <viro@...iv.linux.org.uk>
Subject: Re: Fwd: Re: UML kernel crash of v2.6.36-rcX kernel

2010/10/18 Toralf Förster <toralf.foerster@....de>:
>
> Christoph Hellwig wrote at 22:18:37
>> I really can't see any relation to the patch.  Can you try the some
>> things in the following order, please:
> ...
>>  (4) re-apply the include/linux/statfs.h changes and see if it still
>>       boots
>
> The first half of step 4 was it (I did not apply the "Definitions for the flag
> in f_flag.") :
>
> diff --git a/include/linux/statfs.h b/include/linux/statfs.h
> index b34cc82..0166d32 100644
> --- a/include/linux/statfs.h
> +++ b/include/linux/statfs.h
> @@ -2,7 +2,6 @@
>  #define _LINUX_STATFS_H
>
>  #include <linux/types.h>
> -
>  #include <asm/statfs.h>
>
>  struct kstatfs {
> @@ -16,7 +15,29 @@ struct kstatfs {
>        __kernel_fsid_t f_fsid;
>        long f_namelen;
>        long f_frsize;
> -   long f_spare[5];
> + long f_flags;
> + long f_spare[4];
>  };
>
>
>
> FWIW the uml kernel boots fine even with that commit however it crashed after
> a special http request : $> wget http://n22_uml/phpsysinfo/

Find out _what_ phpsysinfo does.
On my test bed phpsysinfo works fine, I cannot reproduce the crash.
We need more details.

> --
> MfG/Kind regards
> Toralf Förster
>
> pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3
>
> --
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-- 
Thanks,
//richard
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