https://bugzilla.suse.com/show_bug.cgi?id=1223609 Bug ID: 1223609 Summary: kernel panic - unable to mount root fs on unknown-block - first boot into 15.6 RC from a simple 15.5 via zypper dup Classification: openSUSE Product: openSUSE Distribution Version: Leap 15.6 Hardware: x86-64 OS: Other Status: NEW Severity: Major Priority: P5 - None Component: Upgrade Problems Assignee: screening-team-bugs@suse.de Reporter: abittner@opensuse.org QA Contact: jsrain@suse.com Target Milestone: --- Found By: --- Blocker: --- simple 15.5 x64, on rather old amd hardware but worked fine in 15.5 system has come a long way with upgrades from previous leaps with a single sata HDD completely updated in 15.5 before then zypper via releasever=15.6 and zypper ref and zypper dup, download-in-advance. upgraded thousands of packages, then rebooted. then never came back alive. looking at the machine physically, I see it in a kernel panic error message telling me (copy paste from a photo/picture, text OCR, sorry for errs) --------- 0.63410711 T11 Kernel panic not syncing: UPS: Unable to mount root fs on unknown-block(0,0) 711 CPU: 2 PID: 1 Соми: змарриг/6 Not tainted 6.4.0-150600.16-default #1 SLE15-SP6 38db936c6f7776667f67c71a8b5f453a65a8919f 0.63428110 T1] Hardware name: Systen manufacturer Systen Product Name/F2A85-U PRO, BIOS 6503 07/10/2014 0.63452011 0.63470611 T11 Call Trace: T1] <TASK> 0.63476831 8.63482311 711 dump_stack_lul+0x44/8x69 0.63491710 T11 panic+0x189/8x2c0 8.63499211 711 mount_root_generic+0x114/9x110 0.63508810 8.63517311 T11 ? mount root+6x146/9x190 0.63528811 T11 7 pfx_ignore_unknown_bootoption+0x10/0x10 T11 prepare namespace+8x1a6/8x200 0.63538210 Til kernel init_freeable+0x25c/8x298 8.63540110 0.63557410 Til?pix kernel_init+0x10/8x10 T11 kernel Init+0x16/0x130 fron_fork+0x2c/0x50 8.63565511 Til ret TLI TASK 0.635739][ 6.63585511 Til Kernel Offset: 0x1f660000 from 0xffffffff81000000 (relocation range: 6xffffffff80000000-0xreeeeeerbeeeeeee) 6.63667411 T1]-[end Kernel panic not syncing: UFS: Unable to mount root fs on unknown-block(0,0) 1 ----------- grub2 bootmenu appears fine, I didnt try safe modes or other stuff there just yet. I tried another boot (ctrl alt del) but it ends up in the smiliar or same kernel panic, sometimes other cpu cores shown. thanks. -- You are receiving this mail because: You are on the CC list for the bug.