[clang] (gpt)zfsboot is broken: zfs_alloc()/zfs_free() mismatch

[Pawel Worach]

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.

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