Hi,
On 17.04.22 11:10, Stefano Babic wrote:
Hi Mark,
On 16.04.22 12:07, Mark Jonas wrote:
Hi,
In my setup the test bootloader_ebg_defconfig is broken.
RUN FileNotFoundTest
RUN CrapFileTest
RUN ImgNameErrorTest
RUN ValidImageTest
make[1]: *** [/mnt/scripts/acceptance-tests/CheckImage.mk:115:
ValidImageTest] Error 1
make: *** [Makefile:494: acceptance-tests] Error 2
https://gitlab.com/toertel/docker-image-swupdate-contribute/-/jobs/2342017362
I bisected the problem with the following result.
There are only 'skip'ped commits left to test.
The first bad commit could be any of:
b8897ed695e1cd954859142b14ec8546d2e7994a
3a4e626b857c6f8526f0e2716e96d15955b00c79
We cannot bisect more!
This is not due to some changes in SWUpdate or EFIBootGuard, but how
the two projects are working now. Since 3a4e626b8, mostly added to help
Debian's integration, the interface to the bootloader is *dynamic*
instead of static. SWUpdate does not link to the bootloader interface,
but loads it via dlopen() at startup. Expanding the output above, I can
reproduce the issue you report, and I get :
[INFO ] : SWUPDATE running : [print_registered_bootloaders] :
Registered bootloaders:
[INFO ] : SWUPDATE running : [print_registered_bootloaders] : uboot
loaded.
[INFO ] : SWUPDATE running : [print_registered_bootloaders] :
none loaded.
[INFO ] : SWUPDATE running : [print_registered_bootloaders] :
grub loaded.
[INFO ] : SWUPDATE running : [print_registered_bootloaders] : ebg
shared lib not found.
[ERROR] : SWUPDATE failed [0] ERROR core/swupdate.c : main : 778 :
Default bootloader interface 'ebg' couldn't be loaded.
Reason is that the shared library "libebgenv.so" cannot be found. The
test environment you have (I have not seen "make install" when
efibootguard is built) have installed outside the library path.
See also Christian's :
commit cbbd7a343a0263565baeb5549c7086a63114aca0 (denx/coverity_scan,
coverity_scan)
Author: Christian Storm <[email protected]>
Date: Tue Mar 22 12:29:03 2022 +0100
CI: Adapt EFI Boot Guard build
Runtime-dynamic bootloader selection requires
the libebgenv.so shared library to be available.
Also adapt to the official installation instructions.
In fact, I can easy fix the error above if I set LD_LIBRARY_PATH to the
path where the library is installed. Just be sure that the library can
be found, and the issue disappears.
I had to skip b8897e because it does not compile.
Digging deeper, I have found why it this work on SWUpdate's pipeline.
The issue raises if efibootguard is installed on a different path, that
is running configure --prefix <>. In fact, the SONAME for the library
differs form standard.
I set --prefix /usr/local, and I can easy reproduce the issue. Checking
ldconfig cache, I see:
libebgenv-0.10.0.so (libc6,x86-64) => /usr/local/lib/libebgenv-0.10.0.so
compared to libubootenv:
libubootenv.so.0 (libc6,x86-64) => /usr/local/lib/libubootenv.so.0
libubootenv.so (libc6,x86-64) => /usr/local/lib/libubootenv.so
s
So it works just with the exact name. This fixes your build:
diff --git a/bootloader/ebg.c b/bootloader/ebg.c
index 2cd6a65..a63f5f2 100644
--- a/bootloader/ebg.c
+++ b/bootloader/ebg.c
@@ -198,7 +198,7 @@ static bootloader ebg = {
static bootloader* probe(void)
{
- void* handle = dlopen("libebgenv.so", RTLD_NOW | RTLD_GLOBAL);
+ void* handle = dlopen("libebgenv-0.10.0.so", RTLD_NOW |
RTLD_GLOBAL);
if (!handle) {
return NULL;
}
But of course, we won't do this - the issue with SONAME should be solved
inside EFIBootguard.
Regards,
Stefano
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