Same thing since I upgraded to 4.15.0-151-generic on my laptop.
Previously had 150+ days of uptime, now it crashes every few days, and
up to 3 times a day.
Very similar behaviour than what Martin reported just above: when
logging in to XFCE, it can crash easily, or when simply using the
Desktop.
I see, thanks for the info.
I'll report my findings so far here, in case it turns out useful to some
future person landing on this bug later:
The call trace of the deadlocked btrfs-cleaner kthread is as follows.
Tainted: P OE4.15.0-45-generic #48-Ubuntu
btrfs-cleaner D
I confirm I'm having this problem too since migrating to Bionic from
Xenial.
My setup is a bit analogous to the original bug reporter: I have 5
drives (22 TB) in RAID1, organized in around 10 subvolumes with up to 20
snapshots per subvolume.
After some hours running normally, at some point
Thanks for your answer, I opened a bug in Debian as suggested.
I hope they'll be more reactive than upstream :)
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=587250
** Bug watch added: Debian Bug tracker #587250
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=587250
--
gigantic memory
As the Lucid release is now very close, I'll wait till its GA, upgrade, and try
to make the kernel BUG happen again.
If it does happen, I'll test with the vanilla kernel as you suggested.
--
Kernel BUG during heavy I/O on a cryptsetup-LUKS over LVM over RAID1 partition
Public bug reported:
The ubuntu-bug tool has been executed after a reboot, because after the
kernel BUG, the machine refused any SSH connection to it (connection
reset by peer).
ProblemType: Bug
AplayDevices: Error: [Errno 2] No such file or directory
Architecture: i386
ArecordDevices: Error:
** Attachment added: AlsaDevices.txt
http://launchpadlibrarian.net/39260608/AlsaDevices.txt
** Attachment added: BootDmesg.txt
http://launchpadlibrarian.net/39260609/BootDmesg.txt
** Attachment added: CurrentDmesg.txt
http://launchpadlibrarian.net/39260610/CurrentDmesg.txt
**
The actual BUG is in the WifiSyslog.txt file (even if it has nothing to
do with Wi-Fi : the box doesn't even have a Wi-Fi chip)
--
Kernel BUG on heavy I/O on a cryptsetup-LUKS over RAID1 partition
https://bugs.launchpad.net/bugs/522522
You received this bug notification because you are a member
The NULL pointer dereference happened when copying data on the main
storage partition (the box is actually a NAS) over an Ethernet (100
Mbits) connection. The storage is exported via Samba/CIFS.
** Summary changed:
- Kernel BUG on heavy I/O on a cryptsetup-LUKS over RAID1 partition
+ Kernel BUG
Well, actually it works for tcp6, but not for udp6 !
# lsb_release -c
Codename: karmic
# LANG=C netstat -Wantu -A inet6
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp6 0 0
Public bug reported:
Binary package hint: curlftpfs
I already posted this to the upstream tracker, but it doesn't seem to be
very active as all the bugs reported the last 1-2 years are still marked
as NEW, so as I have a fix (which may require reviewing, because I
discovered the curlftpfs source
** Attachment added: patch against 0.9.2 which fixes the leak
http://launchpadlibrarian.net/37347856/curlftpfs-0.9.2-free_ftpfs_file-memleak-fix.patch
--
gigantic memory leak
https://bugs.launchpad.net/bugs/502177
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