** Tags added: cscc
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Title:
linux-4.15.0-23-generic RAID 5 kernel BUG
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@Steve, sorry for the late reply.
These two are different bugs, let's ask the commit author about this issue.
Please mail me your mail address so I can include you in the mail loop.
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http
I have a same problem with the current version of Ubuntu 18.04.1 LTS
(Bionic Beaver) with kernel 4.15.0-42-generic.
I have a new RAID 5 array with 4 12TB drives. As the array is being
initialized, it takes 3 to 10 minutes to reach a kernel bug (under the
additional system load less than 1 minute).
And v4.19-rc6:
[ 3635.247863] [ cut here ]
[ 3635.247865] kernel BUG at drivers/md/raid5.c:1760!
[ 3635.247872] invalid opcode: [#1] SMP PTI
[ 3635.247875] CPU: 2 PID: 279 Comm: md0_raid5 Not tainted
4.19.0-041900rc6-generic #201809301631
[ 3635.247877] Hardware name:
Sorry, but I meant v4.19-rc6.
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Title:
linux-4.15.0-23-generic RAID 5 kernel BUG
To manage notifications about this bug go to:
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Yes, with the most recent 4.18.12 kernel:
[26161.098830] [ cut here ]
[26161.098832] kernel BUG at drivers/md/raid5.c:1762!
[26161.098838] invalid opcode: [#1] SMP PTI
[26161.098841] CPU: 3 PID: 290 Comm: md0_raid5 Not tainted
4.18.12-041812-generic #201810032137
[261
Do you still see the issue under latest Bionic kernel or latest mainline
kernel?
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Title:
linux-4.15.0-23-generic RAID 5 kernel BUG
To manage not
[ 7609.135055] [ cut here ]
[ 7609.135057] kernel BUG at /home/kernel/COD/linux/drivers/md/raid5.c:1762!
[ 7609.135065] invalid opcode: [#1] SMP PTI
[ 7609.135069] CPU: 2 PID: 302 Comm: md0_raid5 Not tainted
4.18.0-041800rc5-generic #201807152130
[ 7609.135071] Hardwar
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.18 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix t
Spoke too soon, it does still occur with 4.17.0, *however*, it much much
harder to trigger.
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Title:
linux-4.15.0-23-generic RAID 5 kernel BUG
To
This does not occur using the 4.17.0-5-generic kernel from Cosmic, so
something fixed it in the n commits between 4.15.0 and 4.17.0.
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Title:
linu
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
linux-4.15.0-23-generic RAID 5 kernel BUG
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apport information
** Tags added: apport-collected
** Description changed:
I have a machine running linux-4.15.0-23-generic, and I can reliably
trigger a kernel BUG under heavy write I/O using RAID 5.
$ cat /proc/mdstat
Personalities : [raid6] [raid5] [raid4] [linear] [multipath] [ra
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