[Bug 1837788] Re: bcache kernel warning when attaching device

2019-09-02 Thread Launchpad Bug Tracker
This bug was fixed in the package linux - 5.0.0-27.28 --- linux (5.0.0-27.28) disco; urgency=medium * disco/linux: 5.0.0-27.28 -proposed tracker (LP: #1840816) * [Potential Regression] System crashes when running ftrace test in ubuntu_kernel_selftests (LP: #1840750) -

[Bug 1837788] Re: bcache kernel warning when attaching device

2019-08-21 Thread Mauricio Faria de Oliveira
Verification successful with bionic-proposed. No warning nor oops anymore. # uname -rv 4.15.0-59-generic #66-Ubuntu SMP Wed Aug 14 10:56:44 UTC 2019 # ./setup-bcache-wb_percent-before-attach.sh >/dev/null 2>&1 [ 105.696881] bcache: register_bdev() registered backing device loop0 [ 105.703809]

[Bug 1837788] Re: bcache kernel warning when attaching device

2019-08-20 Thread Ubuntu Kernel Bot
This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed- bionic' to 'verification-done-bionic'. If the problem still exists, change the tag

[Bug 1837788] Re: bcache kernel warning when attaching device

2019-08-15 Thread Mauricio Faria de Oliveira
Verification successful with disco-proposed. No warning nor oops anymore. # rmadison -s disco-proposed linux linux | 5.0.0-26.27 | disco-proposed | source # uname -rv 5.0.0-26-generic #27-Ubuntu SMP Tue Aug 13 17:47:39 UTC 2019 # ./setup-bcache-wb_percent-before-attach.sh >/dev/null 2>&1 [

[Bug 1837788] Re: bcache kernel warning when attaching device

2019-08-15 Thread Ubuntu Kernel Bot
This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed- disco' to 'verification-done-disco'. If the problem still exists, change the tag

[Bug 1837788] Re: bcache kernel warning when attaching device

2019-08-11 Thread Khaled El Mously
** Changed in: linux (Ubuntu Disco) Status: In Progress => Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1837788 Title: bcache kernel warning when attaching device To manage

[Bug 1837788] Re: bcache kernel warning when attaching device

2019-07-29 Thread Mauricio Faria de Oliveira
Patches sent to the kernel-team mailing list: [B][PATCH] bcache: only set BCACHE_DEV_WB_RUNNING when cached device attached https://lists.ubuntu.com/archives/kernel-team/2019-July/102653.html [D][PATCH] bcache: only set BCACHE_DEV_WB_RUNNING when cached device attached

[Bug 1837788] Re: bcache kernel warning when attaching device

2019-07-29 Thread Mauricio Faria de Oliveira
Attaching test-case script. ** Attachment added: "setup-bcache-wb_percent-before-attach.sh" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1837788/+attachment/5279850/+files/setup-bcache-wb_percent-before-attach.sh -- You received this bug notification because you are a member of

[Bug 1837788] Re: bcache kernel warning when attaching device

2019-07-29 Thread Mauricio Faria de Oliveira
Tested with disco-proposed + patch (problem does not happen) --- # uname -rv 5.0.0-22-generic #23+test20190725b1 SMP Mon Jul 29 14:43:55 -03 2019 # ./setup-bcache-wb_percent-before-attach.sh >/dev/null 2>&1 [ 69.567775] bcache: register_bdev() registered backing device loop0/null 2>&1 [

[Bug 1837788] Re: bcache kernel warning when attaching device

2019-07-25 Thread Mauricio Faria de Oliveira
Tested with bionic-proposed + patch (problem does not happen) --- Test kernel available in: https://people.canonical.com/~mfo/lp1837788/linux_4.15.0-56.62+test20190725b1_amd64/ # uname -rv 4.15.0-56-generic #62+test20190725b1 SMP Thu Jul 25 12:44:16 -03 2019 #

[Bug 1837788] Re: bcache kernel warning when attaching device

2019-07-25 Thread Mauricio Faria de Oliveira
** Also affects: linux (Ubuntu Eoan) Importance: Undecided Assignee: Mauricio Faria de Oliveira (mfo) Status: Confirmed ** Also affects: linux (Ubuntu Disco) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Bionic) Importance: Undecided Status:

[Bug 1837788] Re: bcache kernel warning when attaching device

2019-07-25 Thread Mauricio Faria de Oliveira
Tested with disco-proposed (problem exists) - # uname -rv 5.0.0-22-generic #23-Ubuntu SMP Tue Jul 23 17:23:54 UTC 2019 # ./setup-bcache-wb_percent-before-attach.sh >/dev/null 2>&1 [ 57.992319] bcache: register_bdev() registered backing device loop0/null 2>&1 [ 57.997331] bcache:

[Bug 1837788] Re: bcache kernel warning when attaching device

2019-07-25 Thread Mauricio Faria de Oliveira
Tested with eoan-proposed (problem does not exist) root@bionic-bcache:~# uname -rv 5.2.0-9-generic #10-Ubuntu SMP Sat Jul 20 14:05:52 UTC 2019 # ./setup-bcache-wb_percent-before-attach.sh >/dev/null 2>&1 [ 54.032674] bcache: register_bdev() registered backing device loop0 [ 54.036972]

[Bug 1837788] Re: bcache kernel warning when attaching device

2019-07-25 Thread Mauricio Faria de Oliveira
Tested with bionic-proposed (problem exists) --- # uname -rv 4.15.0-56-generic #62-Ubuntu SMP Wed Jul 24 20:18:55 UTC 2019 # ./setup-bcache-wb_percent-before-attach.sh >/dev/null 2>&1 [ 39.096888] bcache: register_bdev() registered backing device loop0/null 2>&1 [ 39.109511] bcache:

[Bug 1837788] Re: bcache kernel warning when attaching device

2019-07-25 Thread Mauricio Faria de Oliveira
This is the warning trigger line: int bch_cached_dev_writeback_start(struct cached_dev *dc) ... WARN_ON(test_and_set_bit(BCACHE_DEV_WB_RUNNING, >disk.flags)); ... This commit fixes this problem: commit 1f0ffa67349c56ea54c03ccfd1e073c990e7411e Author: Coly Li

[Bug 1837788] Re: bcache kernel warning when attaching device

2019-07-25 Thread Mauricio Faria de Oliveira
For reference, this is the Warning in the CurrentDmesg.txt file. [ 71.925684] WARNING: CPU: 8 PID: 2977 at /build/linux-jmOa1Y/linux-4.15.0/drivers/md/bcache/writeback.c:603 bch_cached_dev_writeback_start+0x13f/0x1af [bcache] [ 71.925686] Modules linked in: ebtable_filter ebtables

[Bug 1837788] Re: bcache kernel warning when attaching device

2019-07-25 Thread Mauricio Faria de Oliveira
** Changed in: linux (Ubuntu) Assignee: (unassigned) => Mauricio Faria de Oliveira (mfo) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1837788 Title: bcache kernel warning when attaching