[Bug 2016920] Re: [UBUNTU 22.04] Standalone dump does not work on NVMe device

[Jürg Häfliger]

** Tags added: kernel-daily-bug

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Title:
  [UBUNTU 22.04] Standalone dump does not work on NVMe device

Status in Ubuntu on IBM z Systems:
  Invalid
Status in s390-tools package in Ubuntu:
  Invalid

Bug description:
  Problem Description:
  --------------------
  I installed Ubuntu 22.04.1. and created a dump partition on an NVMe disk.
  However, this dump partition is not able to capture a dump:
  [414340.280553] kdump-tools[15167]:  * unloaded kdump kernel
  [414376.146205] sysrq: Trigger a crash
  [414376.146215] Kernel panic - not syncing: sysrq triggered crash
  [414376.146218] CPU: 13 PID: 16009 Comm: bash Not tainted 5.15.0-69-generic #76-Ubuntu
  [414376.146222] Hardware name: IBM 3931 A01 704 (LPAR)
  [414376.146224] Call Trace:
  [414376.146225]  [<0000000176c3e31a>] dump_stack_lvl+0x62/0x80 
  [414376.146233]  [<0000000176c3913a>] panic+0x152/0x340 
  [414376.146237]  [<00000001768d5cfe>] sysrq_handle_crash+0x2e/0x30 
  [414376.146242]  [<00000001768d6952>] __handle_sysrq+0xf2/0x280 
  [414376.146245]  [<00000001768d7244>] write_sysrq_trigger+0x54/0x70 
  [414376.146248]  [<0000000176597faa>] proc_reg_write+0x9a/0xf0 
  [414376.146252]  [<00000001764e64dc>] vfs_write+0xbc/0x280 
  [414376.146255]  [<00000001764e8a18>] ksys_write+0x68/0x100 
  [414376.146258]  [<0000000176c4288c>] __do_syscall+0x1bc/0x1f0 
  [414376.146261]  [<0000000176c4fc98>] system_call+0x78/0xa0 
  System version 9.
  Watchdog enabled.
  Running 'ZBootLoader' version '3.1.5' level 'D51C.D51C_328.13'.
  OK00000000 Success
  [    2.131284] zdump: The dump process started for a 64-bit operating system
  Linux System Dumper starting
   
  Version 3.0 (64 bit)
  Linux version 5.15.27 (buildd at bos02-s390x-003) (gcc (Ubuntu 11.2.0-18ubuntu1) 11.2.0, GNU ld (GNU Binutils for Ubuntu) 2.38) #1 SMP Mon Mar 21 16:33:41 UTC 2022
   
  ERROR: open /sys/firmware/ipl/device failed
  No such file or directory
  ERROR: Could not enable dump device
   
  Dump failed

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