This bug was fixed in the package glibc - 2.27-3ubuntu1.3
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glibc (2.27-3ubuntu1.3) bionic; urgency=medium
[ Balint Reczey ]
* debian/gbp.conf: Add initial configuration
* debian/control.in/main: Add Vcs-* pointing to Ubuntu packaging repository
* arm64: Enable searching sha
Bionic verification
First, reproducing the bug with the current glibc:
ubuntu@bionic-glibc-1864864:~$ apt-cache policy libc6
libc6:
Installed: 2.27-3ubuntu1.2
Candidate: 2.27-3ubuntu1.2
Version table:
*** 2.27-3ubuntu1.2 500
500 http://br.archive.ubuntu.com/ubuntu bionic-updates/mai
** Description changed:
[Impact]
* pthread_rwlock_trywrlock and pthread_rwlock_tryrdlock before glibc
2.30 could hang:
https://sourceware.org/bugzilla/show_bug.cgi?id=23844#c14
* We are especially able to reproduce the problem with BIND 9.16.x when
--with-pthread-rwlock configu
Hello Ondřej, or anyone else affected,
Accepted glibc into bionic-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/glibc/2.27-3ubuntu1.3
in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
https://wiki
I'm preparing the SRU in https://launchpad.net/~ci-train-ppa-
service/+archive/ubuntu/4242/+packages with the fix in.
** Changed in: glibc (Ubuntu Bionic)
Status: Triaged => In Progress
** Changed in: glibc (Ubuntu Bionic)
Assignee: (unassigned) => Balint Reczey (rbalint)
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Yes your ppa and an affected bind package build no longer hang.
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https://bugs.launchpad.net/bugs/1864864
Title:
[SRU] pthread_rwlock_trywrlock results in hang
To manage notifications a
Can someone who is affected by this bug, and able to reproduce it in a
test/controlled environment, please try the glibc packages from my PPA?
Note you will have to restart services after the update (or better yet,
reboot if you can):
https://launchpad.net/~ahasenack/+archive/ubuntu/glibc-pthread-
@nish pointed out in the MP that I had the incorrect packaging version
for an SRU. Since the correct version is lower than what I uploaded
before, I created a new ppa:
https://launchpad.net/~ahasenack/+archive/ubuntu/glibc-pthread-
lock-1864864
Packages are still building there, but other than th
** Changed in: glibc (Debian)
Status: Unknown => Fix Released
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https://bugs.launchpad.net/bugs/1864864
Title:
[SRU] pthread_rwlock_trywrlock results in hang
To manage notificati
** Also affects: glibc (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: glibc (Ubuntu Bionic)
Status: New => Triaged
** Changed in: glibc (Ubuntu)
Status: Triaged => Fix Released
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** Merge proposal linked:
https://code.launchpad.net/~ahasenack/ubuntu/+source/glibc/+git/glibc/+merge/380381
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https://bugs.launchpad.net/bugs/1864864
Title:
[SRU] pthread_rwlock_tr
** Changed in: glibc (Ubuntu)
Status: New => Triaged
** Changed in: glibc (Ubuntu)
Importance: Undecided => High
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Title:
[SRU] pthread
Git branch:
https://code.launchpad.net/~ahasenack/ubuntu/+source/glibc/+git/glibc/+ref
/bionic-glibc-thread-lock-23844
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https://bugs.launchpad.net/bugs/1864864
Title:
[SRU] pthread_rwlo
I created a ppa with the fix for bionic:
https://launchpad.net/~ahasenack/+archive/ubuntu/glibc-pthread-
lock-23844/
After updating to that package, the test case program no longer hangs
(counted 75 runs, whereas before it would hang in at most 5).
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** Description changed:
[Impact]
* pthread_rwlock_trywrlock and pthread_rwlock_tryrdlock before glibc
2.30 could hang:
https://sourceware.org/bugzilla/show_bug.cgi?id=23844#c14
* We are especially able to reproduce the problem with BIND 9.16.x when
--with-pthread-rwlock configu
Test case. Build with:
gcc bug23844.wr.c -lpthread -o bug23844wr
** Attachment added: "bug23844.wr.c"
https://bugs.launchpad.net/ubuntu/+source/glibc/+bug/1864864/+attachment/5333068/+files/bug23844.wr.c
** Description changed:
[Impact]
- * pthread_rwlock_trywrlock and pthread_rwlock
JFTR Debian 2.28-8 has already the fix applied.
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https://bugs.launchpad.net/bugs/1864864
Title:
[SRU] pthread_rwlock_trywrlock results in hang
To manage notifications about this bug go
According to upstream, the issue first appeared in 2.26, so only bionic
is affected.
** Bug watch added: Debian Bug tracker #952609
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=952609
** Also affects: glibc (Debian) via
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=952609
Import
JFTR RHEL 8 and FC30 has already pulled the fix into their glibc, so
it's really only Ubuntu and Debian affected by this.
** Package changed: ubuntu => glibc (Ubuntu)
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Thank you for taking the time to report this bug and helping to make
Ubuntu better. It seems that your bug report is not filed about a
specific source package though, rather it is just filed against Ubuntu
in general. It is important that bug reports be filed about source
packages so that people
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