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:
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
[ 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
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 k
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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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
linux-4.15.0-23-generic RAID 5 kernel BUG
Status in li
apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1780628/+attachment/5161077/+files/WifiSyslog.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1780628/+attachment/5161074/+files/ProcInterrupts.txt
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apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1780628/+attachment/5161067/+files/CRDA.txt
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Ti
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** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1780628/+attachment/5161070/+files/CurrentDmesg.txt
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apport information
** Attachment added: "PciMultimedia.txt"
https://bugs.launchpad.net/bugs/1780628/+attachment/5161072/+files/PciMultimedia.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1780628/+attachment/5161075/+files/ProcModules.txt
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** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1780628/+attachment/5161073/+files/ProcCpuinfoMinimal.txt
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** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1780628/+attachment/5161076/+files/UdevDb.txt
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1780628/+attachment/5161071/+files/Lspci.txt
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apport information
** Attachment added: "Card0.Codecs.codec.0.txt"
https://bugs.launchpad.net/bugs/1780628/+attachment/5161068/+files/Card0.Codecs.codec.0.txt
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** Attachment added: "Card0.Codecs.codec.2.txt"
https://bugs.launchpad.net/bugs/1780628/+attachment/5161069/+files/Card0.Codecs.codec.2.txt
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** 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
Public bug reported:
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] [raid0] [raid1]
[raid10]
md0 : active raid5 sdd2[1] sda2[0] sdb2[2]
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