[Bug 1867118] Comment bridged from LTC Bugzilla

------- Comment From stefan.haberland@de.ibm.com 2020-10-22 11:52 EDT-------
*** Bug 188223 has been marked as a duplicate of this bug. ***

--
You received this bug notification because you are subscribed to linux
in Ubuntu.
Matching subscriptions: Bgg, Bmail, Nb
https://bugs.launchpad.net/bugs/1867118

Title:
dasd_fba io error and kernel panic

Status in Ubuntu on IBM z Systems:
Fix Committed
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Focal:
Fix Committed
Status in linux source package in Groovy:
Fix Released

Bug description:
Generated I/O errors every hour in syslog and caused kernel panic with workloads running

---uname output---
Linux ubuntutest01 4.15.0-88-generic #88-Ubuntu SMP Tue Feb 11 20:11:02 UTC 2020 s390x s390x s390x GNU/Linux

---Patches Installed---
distro provided. up-to-date from Ubuntu18.04.

Machine Type = z15

---System Hang---
The hourly generated I/O errors didn't impact the system up and running. When there are workloads on it, it will cause kernel panic and rebooted the server.

---Debugger---
A debugger is not configured

---Steps to Reproduce---
After migrated from 16.04 to 18.04, will see the i/o errors.

Stack trace output:
no

Oops output:
no

System Dump Info:
The system is not configured to capture a system dump.

Device driver error code:
[52297.898232] dasd.5c0c98: 0.0.0100: default ERP has run out of retries and failed
[52297.898244] dasd(fba): I/O status report for device 0.0.0100:
dasd(fba): in req: 000000002e142bcd CS: 0x20 DS: 0x0C
dasd(fba): device 0.0.0100: Failing CCW: 00000000a84f6c9f
dasd(fba): SORRY - NO VALID SENSE AVAILABLE
[52297.898255] dasd(fba): Related CP in req: 000000002e142bcd
dasd(fba): CCW 00000000d15f44d3: 63400010 7FE2BBA0 DAT: 00000200 008150F2 00000000 00000017
dasd(fba): CCW 00000000b09ad76e: 43400008 7FE2BBB0 DAT: 05000006 00000000
dasd(fba): CCW 00000000c44dfb20: 41600C00 F3600000 DAT: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dasd(fba): CCW 00000000a84f6c9f: 43400008 7FE2BBB8 DAT: 05000010 00000006
dasd(fba): CCW 0000000022dac88c: 41600000 00000000 DAT:
dasd(fba): CCW 0000000069686544: 43400008 7FE2BBC0 DAT: 05000002 00000016
dasd(fba): CCW 000000007bb6a17c: 41200400 F3600000 DAT: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[52297.898278] print_req_error: I/O error, dev dasda, sector 8474866

*Additional Instructions for yeqi@cn.ibm.com:
-Attach sysctl -a output output to the bug.

[reply] [?]
Internal Only
Comment 1 QI YE 2020-03-12 02:29:20 CDT

The z/VM version 6.4

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu-z-systems/+bug/1867118/+subscriptions