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Date:      Fri, 5 Aug 2011 11:45:52 +0200
From:      Olivier Smedts <olivier@gid0.org>
To:        Pawel Worach <pawel.worach@gmail.com>
Cc:        Test Rat <ttsestt@gmail.com>, freebsd-current@freebsd.org
Subject:   Re: [clang] (gpt)zfsboot is broken: zfs_alloc()/zfs_free() mismatch
Message-ID:  <CABzXLYN1krNR1Fi2OqCWxCVsCuRn9hgqaO0_WaNEG2-Q3w_0Rg@mail.gmail.com>
In-Reply-To: <B9C820F7-EAD7-4AB8-903A-06CEF17240CA@gmail.com>
References:  <86zkjtwc8r.fsf@gmail.com> <B9C820F7-EAD7-4AB8-903A-06CEF17240CA@gmail.com>

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2011/8/5 Pawel Worach <pawel.worach@gmail.com>:
> On Aug 1, 2011, at 14:24, Test Rat wrote:
>
>> Anyone else? I can still reproduce with trunk r136607.
>> boot and gptboot seem to be unaffected.
>>
>> IIRC, with previous clang import it just stuck during boot
>> without any error messages.
>
> A workaround for the hang on boot and "error 1 lba X" failures is the following patch, it would be interesting if it also makes the zfs_alloc/free error go away too.

Yes, it solved the "ZFS: zfs_alloc()/zfs_free() mismatch" error when
gptzfsboot-ing after building with clang. I don't know if it still
works with gcc and the patch applied.

> Index: sys/boot/i386/zfsboot/Makefile
> ===================================================================
> --- sys/boot/i386/zfsboot/Makefile      (revision 224653)
> +++ sys/boot/i386/zfsboot/Makefile      (working copy)
> @@ -20,7 +20,6 @@
>        -fomit-frame-pointer \
>        -fno-unit-at-a-time \
>        -mno-align-long-strings \
> -       -mrtd \
>        -DBOOT2 \
>        -DSIOPRT=${BOOT_COMCONSOLE_PORT} \
>        -DSIOFMT=${B2SIOFMT} \
> Index: sys/boot/i386/gptzfsboot/Makefile
> ===================================================================
> --- sys/boot/i386/gptzfsboot/Makefile   (revision 224653)
> +++ sys/boot/i386/gptzfsboot/Makefile   (working copy)
> @@ -22,7 +22,6 @@
>        -fomit-frame-pointer \
>        -fno-unit-at-a-time \
>        -mno-align-long-strings \
> -       -mrtd \
>        -DGPT -DBOOT2 \
>        -DSIOPRT=${BOOT_COMCONSOLE_PORT} \
>        -DSIOFMT=${B2SIOFMT} \
>
> dim@ has filed an upstream bug, http://llvm.org/bugs/show_bug.cgi?id=10591
>
> Regards
> --
> Pawel
>
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