glibc 2.36 make check

glibc 2.36 make check

[Michael Brunnbauer]

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hi all,

make check with the new version of glibc has two new failures on my custom
system:

 FAIL: misc/tst-mount-consts

From misc/tst-mount-consts.out:

 test.c:2:10: fatal error: linux/mount.h: No such file or directory
  #include <linux/mount.h>

/usr/include/linux/mount.h is indeed missing and I checked that 
make headers_install with my current kernel would not change that.

 FAIL: nptl/tst-pthread-gdb-attach-static

I have attached the file nptl/tst-pthread-gdb-attach-static.out.

Should I worry about those new failed tests?

Here is some data about my setup:

-glibc configure options:
 --prefix=/usr --enable-kernel=4.9.0 --host=x86_64-pc-linux-gnu --disable-experimental-malloc
-kernel version: 4.9.320
-installed kernel headers: from some older 4.9.x kernel
-gcc version: 7.5.0
-gdb version 9.1

Regards,

Michael Brunnbauer

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+set debug libthread-db 1
+set auto-load safe-path /home/bold/base/glibc-2.36/compile/nptl_db
+set libthread-db-search-path /home/bold/base/glibc-2.36/compile/nptl_db
+attach 15009
[New LWP 15010]
BFD: /home/bold/base/glibc-2.36/compile/nptl/tst-pthread-gdb-attach-static: unknown type [0x13] section `.relr.dyn'
Trying host libthread_db library: /home/bold/base/glibc-2.36/compile/nptl_db/libthread_db.so.1.
td_ta_new failed: generic error
thread_db_load_search returning 0
Trying host libthread_db library: /home/bold/base/glibc-2.36/compile/nptl_db/libthread_db.so.1.
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/home/bold/base/glibc-2.36/compile/nptl_db/libthread_db.so.1".
thread_db_load_search returning 1
0x00007f7108944d0d in __futex_abstimed_wait_common64 (private=<optimized out>, cancel=true, abstime=<error reading variable: Cannot access memory at address 0x8f6ef888>, op=<error reading variable: Cannot access memory at address 0x8f6ef878>, expected=15010, futex_word=<error reading variable: Cannot access memory at address 0x8f6ef880>) at futex-internal.c:57
57	    return INTERNAL_SYSCALL_CANCEL (futex_time64, futex_word, op, expected,
+break debugger_inspection_point
Breakpoint 1 at 0x88c95d0: file tst-pthread-gdb-attach.c, line 126.
+continue
[Switching to Thread 0x7f71088c66c0 (LWP 15010)]

Thread 2 "tst-pthread-gdb" hit Breakpoint 1, debugger_inspection_point () at tst-pthread-gdb-attach.c:126
126	{
+thread 1
[Switching to thread 1 (Thread 0x7f71089ae380 (LWP 15009))]
#0  0x00007f7108944d0d in __futex_abstimed_wait_common64 (private=<optimized out>, cancel=true, abstime=<error reading variable: Cannot access memory at address 0x8f6ef888>, op=<error reading variable: Cannot access memory at address 0x8f6ef878>, expected=15010, futex_word=<error reading variable: Cannot access memory at address 0x8f6ef880>) at futex-internal.c:57
57	    return INTERNAL_SYSCALL_CANCEL (futex_time64, futex_word, op, expected,
+print altered_by_debugger
/tmp/tst-pthread-gdb-attach-kqWILN:9: Error in sourced command file:
Cannot access memory at address 0x89ae340
[Inferior 1 (process 15009) detached]
tst-pthread-gdb-attach.c:229: numeric comparison failure
   left: 256 (0x100); from: status
  right: 0 (0x0); from: 0
error: 1 test failures

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Re: glibc 2.36 make check

[Adhemerval Zanella Netto]

On 03/08/22 09:46, Michael Brunnbauer wrote:
> 
> hi all,
> 
> make check with the new version of glibc has two new failures on my custom
> system:
> 
>  FAIL: misc/tst-mount-consts
> 
> From misc/tst-mount-consts.out:
> 
>  test.c:2:10: fatal error: linux/mount.h: No such file or directory
>   #include <linux/mount.h>
> 
> /usr/include/linux/mount.h is indeed missing and I checked that 
> make headers_install with my current kernel would not change that.

The header was added only at 5.0 version, we will need to set the test unsupported
if the headers is not present.

> 
>  FAIL: nptl/tst-pthread-gdb-attach-static
> 
> I have attached the file nptl/tst-pthread-gdb-attach-static.out.

This is unexpected, although the log is not clear.  I am not sure sure if this is
gdb issue in fact.

> 
> Should I worry about those new failed tests?
> 
> Here is some data about my setup:
> 
> -glibc configure options:
>  --prefix=/usr --enable-kernel=4.9.0 --host=x86_64-pc-linux-gnu --disable-experimental-malloc
> -kernel version: 4.9.320
> -installed kernel headers: from some older 4.9.x kernel
> -gcc version: 7.5.0
> -gdb version 9.1
> 
> Regards,
> 
> Michael Brunnbauer
>