Hello,
I would like to report two bugs I’ve encountered while trying to build glibc on
Ubuntu 18.04.
I’ve used glibc_2.27-3ubuntu1.3.
I’ve only investigated the source of the second, since I’ve found a workaround
for the first.
1
Problem:
The following tests fail during the build:
FAIL: misc/tst-preadvwritev2
FAIL: misc/tst-preadvwritev64v2
Workaround:
Remove gdb for the time of the build. This make these unsupported and the tests
are skiped.
2
Problem:
With kernel 5.5.7 and higher the following test fails:
FAIL: misc/test-errno-linux
Root cause:
In the file sysdeps/unix/sysv/linux/test-errno-linux.c the first argument to
quotactl() is Q_GETINFO instead of QCMD(Q_GETINFO, <type>)
Kernel 5.4.0 returns (wrongly) ENODEV which is in the list of expected errors,
so the test passes.
Kernel 5.5.7 returns (correctly) EINVAL and the test fails
Solution:
Edit the file and replace the line:
quotactl, Q_GETINFO, NULL, -1, (caddr_t) &dqblk);
with:
quotactl, QCMD(Q_GETINFO,USRQUOTA), NULL, -1, (caddr_t)
&dqblk);
Integrate the change in the build source:
dpkg-source --commit
In addition I couldn’t download glibc_2.27-3ubuntu1.3 with “apt source”, so I
had do download it manually.
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