[Bug 1202727] Upstream kernel commit 30de14b1884ba makes s390 to stop working on qemu

https://bugzilla.suse.com/show_bug.cgi?id=1202727 https://bugzilla.suse.com/show_bug.cgi?id=1202727#c15 --- Comment #15 from Petr Tesa����k <ptesarik@suse.com> --- For reference, this is how the kexec attempt fails: [ 9.625911][ T119] Unable to handle kernel pointer dereference in virtual kernel address space [ 9.626024][ T119] Failing address: 6f2abf8710e68000 TEID: 6f2abf8710e68803 [ 9.626075][ T119] Fault in home space mode while using kernel ASCE. [ 9.626294][ T119] AS:0000000001828007 R3:0000000000000024 [ 9.626617][ T119] Oops: 0038 ilc:3 [#1] SMP [ 9.626770][ T119] Modules linked in: [ 9.626968][ T119] CPU: 0 PID: 119 Comm: systemd-gpt-aut Not tainted 6.0.0-rc6-1.g2132e28-default #1 openSUSE Tumbleweed (unreleased) 23ff4c3ab0b429314c21910f4f8cb21b0ff3e788 [ 9.627130][ T119] Hardware name: QEMU 2964 QEMU (KVM/Linux) [ 9.627244][ T119] Krnl PSW : 0404e00180000000 000000000040e320 (__mod_memcg_lruvec_state+0x30/0xe0) [ 9.627583][ T119] R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:2 PM:0 RI:0 EA:3 [ 9.627805][ T119] Krnl GPRS: 0000000000000001 0000000000000130 0000000002ec5a40 0000000000000130 [ 9.627862][ T119] 0000000000000001 6f2abf8710e67235 0000000000000000 0000000008100073 [ 9.627913][ T119] 0700000002f3a200 000000000038d360 00000372000ba6c0 0000000000000001 [ 9.627963][ T119] 0000000002f3a200 0000000000000000 00000380001836e8 00000380001836b8 [ 9.628697][ T119] Krnl Code: 000000000040e312: b90400b4 lgr %r11,%r4 [ 9.628697][ T119] 000000000040e316: eb330003000d sllg %r3,%r3,3 [ 9.628697][ T119] #000000000040e31c: b9040013 lgr %r1,%r3 [ 9.628697][ T119] >000000000040e320: e31050100108 ag %r1,4112(%r5) [ 9.628697][ T119] 000000000040e326: e31003b80008 ag %r1,952 [ 9.628697][ T119] 000000000040e32c: e34010000008 ag %r4,0(%r1) [ 9.628697][ T119] 000000000040e332: e34010000024 stg %r4,0(%r1) [ 9.628697][ T119] 000000000040e338: e33020900008 ag %r3,144(%r2) [ 9.629286][ T119] Call Trace: [ 9.629710][ T119] [<000000000040e320>] __mod_memcg_lruvec_state+0x30/0xe0 [ 9.629940][ T119] [<000000000040f4c2>] __mod_lruvec_page_state+0xa2/0xe0 [ 9.629997][ T119] [<000000000012fcaa>] page_table_alloc+0x16a/0x290 [ 9.630051][ T119] [<000000000038d360>] __do_fault+0x80/0xf0 [ 9.630099][ T119] [<000000000039369c>] __handle_mm_fault+0xcfc/0x1240 [ 9.630157][ T119] [<0000000000393cae>] handle_mm_fault+0xce/0x220 [ 9.630199][ T119] [<0000000000129508>] do_exception+0x1d8/0x4d0 [ 9.630549][ T119] [<0000000000129e2a>] do_dat_exception+0x2a/0x50 [ 9.630672][ T119] [<0000000000a5ab54>] __do_pgm_check+0xf4/0x1b0 [ 9.630805][ T119] [<0000000000a6b64c>] pgm_check_handler+0x11c/0x170 [ 9.630868][ T119] [<00000000006faee4>] __clear_user+0x24/0x70 [ 9.630953][ T119] ([<00000000004b85c8>] load_elf_binary+0xc18/0x1a10) [ 9.631022][ T119] [<00000000004341b0>] bprm_execve+0x2a0/0x640 [ 9.631074][ T119] [<000000000043474e>] do_execveat_common.isra.0+0x1fe/0x270 [ 9.631125][ T119] [<0000000000434a7e>] __s390x_sys_execve+0x5e/0x70 [ 9.631175][ T119] [<0000000000a5ade4>] __do_syscall+0x1d4/0x200 [ 9.631224][ T119] [<0000000000a6b4c2>] system_call+0x82/0xb0 [ 9.631303][ T119] Last Breaking-Event-Address: [ 9.631343][ T119] [<000000000040f40c>] __mod_lruvec_state+0x4c/0x60 [ 9.632144][ T119] ---[ end trace 0000000000000000 ]--- [ 9.736079][ T116] Unable to handle kernel pointer dereference in virtual kernel address space [ 9.736181][ T116] Failing address: 0000000000000000 TEID: 0000000000000483 [ 9.736218][ T116] Fault in home space mode while using kernel ASCE. [ 9.736296][ T116] AS:0000000001828007 R3:000000007ffec007 S:000000007fff1800 P:000000000000003d [ 9.736473][ T116] Oops: 0004 ilc:3 [#2] SMP [ 9.736539][ T116] Modules linked in: [ 9.736632][ T116] CPU: 0 PID: 116 Comm: dracut-rootfs-g Tainted: G D 6.0.0-rc6-1.g2132e28-default #1 openSUSE Tumbleweed (unreleased) 23ff4c3ab0b429314c21910f4f8cb21b0ff3e788 [ 9.736696][ T116] Hardware name: QEMU 2964 QEMU (KVM/Linux) [ 9.736726][ T116] Krnl PSW : 0404d00180000000 000000000040f4f2 (__mod_lruvec_page_state+0xd2/0xe0) [ 9.736809][ T116] R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:1 PM:0 RI:0 EA:3 [ 9.736870][ T116] Krnl GPRS: ffffffffffffffff 00000000042d5b00 0000000000000000 0000000000000026 [ 9.736908][ T116] 0000000000000001 00000372000b9f40 00000000044b1e00 0000000008000075 [ 9.736945][ T116] 0700000008100073 00000000003939d8 00000372000b9f40 000000007fffe1c0 [ 9.736981][ T116] 0000000002d62200 0000000000000000 0000038000443c40 0000038000443c10 [ 9.737104][ T116] Krnl Code: 000000000040f4e2: c0f4fffb0927 brcl 15,0000000000370730 [ 9.737104][ T116] 000000000040f4e8: ec51ffff00d9 aghik %r5,%r1,-1 [ 9.737104][ T116] #000000000040f4ee: a7f4ffc6 brc 15,000000000040f47a [ 9.737104][ T116] >000000000040f4f2: e3b020880024 stg %r11,136(%r2) [ 9.737104][ T116] 000000000040f4f8: a7f4ffe2 brc 15,000000000040f4bc [ 9.737104][ T116] 000000000040f4fc: 0707 bcr 0,%r7 [ 9.737104][ T116] 000000000040f4fe: 0707 bcr 0,%r7 [ 9.737104][ T116] 000000000040f500: c00400349b40 brcl 0,0000000000aa2b80 [ 9.737371][ T116] Call Trace: [ 9.737422][ T116] [<000000000040f4f2>] __mod_lruvec_page_state+0xd2/0xe0 [ 9.737490][ T116] [<000000000012fcaa>] page_table_alloc+0x16a/0x290 [ 9.737542][ T116] [<00000000003939d8>] __handle_mm_fault+0x1038/0x1240 [ 9.737589][ T116] [<0000000000393cae>] handle_mm_fault+0xce/0x220 [ 9.737632][ T116] [<0000000000129508>] do_exception+0x1d8/0x4d0 [ 9.737676][ T116] [<0000000000129e2a>] do_dat_exception+0x2a/0x50 [ 9.737719][ T116] [<0000000000a5ab54>] __do_pgm_check+0xf4/0x1b0 [ 9.737768][ T116] [<0000000000a6b64c>] pgm_check_handler+0x11c/0x170 [ 9.737816][ T116] Last Breaking-Event-Address: [ 9.737878][ T116] [<000000000040f4b8>] __mod_lruvec_page_state+0x98/0xe0 [ 9.737930][ T116] ---[ end trace 0000000000000000 ]--- [ 9.829692][ T118] Unable to handle kernel pointer dereference in virtual kernel address space [ 9.829814][ T118] Failing address: 0000000000000000 TEID: 0000000000000483 [ 9.829861][ T118] Fault in home space mode while using kernel ASCE. [ 9.829993][ T118] AS:0000000001828007 R3:000000007ffec007 S:000000007fff1800 P:000000000000003d [ 9.830118][ T118] Oops: 0004 ilc:3 [#3] SMP [ 9.830214][ T118] Modules linked in: [ 9.830265][ T118] CPU: 0 PID: 118 Comm: systemd-fstab-g Tainted: G D 6.0.0-rc6-1.g2132e28-default #1 openSUSE Tumbleweed (unreleased) 23ff4c3ab0b429314c21910f4f8cb21b0ff3e788 [ 9.830340][ T118] Hardware name: QEMU 2964 QEMU (KVM/Linux) [ 9.830373][ T118] Krnl PSW : 0404d00180000000 000000000040f4f2 (__mod_lruvec_page_state+0xd2/0xe0) [ 9.830458][ T118] R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:1 PM:0 RI:0 EA:3 [ 9.830521][ T118] Krnl GPRS: ffffffffffffffff 0000000002eb9e40 0000000000000000 0000000000000026 [ 9.830562][ T118] 0000000000000001 00000372000b9c40 00000000044b3700 0000000008100073 [ 9.830599][ T118] 070003ff861e0000 00000000003939d8 00000372000b9c40 000000007fffe1c0 [ 9.830635][ T118] 0000000002f38000 0000000000000000 0000038000133c40 0000038000133c10 [ 9.830723][ T118] Krnl Code: 000000000040f4e2: c0f4fffb0927 brcl 15,0000000000370730 [ 9.830723][ T118] 000000000040f4e8: ec51ffff00d9 aghik %r5,%r1,-1 [ 9.830723][ T118] #000000000040f4ee: a7f4ffc6 brc 15,000000000040f47a [ 9.830723][ T118] >000000000040f4f2: e3b020880024 stg %r11,136(%r2) [ 9.830723][ T118] 000000000040f4f8: a7f4ffe2 brc 15,000000000040f4bc [ 9.830723][ T118] 000000000040f4fc: 0707 bcr 0,%r7 [ 9.830723][ T118] 000000000040f4fe: 0707 bcr 0,%r7 [ 9.830723][ T118] 000000000040f500: c00400349b40 brcl 0,0000000000aa2b80 [ 9.830999][ T118] Call Trace: [ 9.831035][ T118] [<000000000040f4f2>] __mod_lruvec_page_state+0xd2/0xe0 [ 9.831088][ T118] [<000000000012fcaa>] page_table_alloc+0x16a/0x290 [ 9.831136][ T118] [<00000000003939d8>] __handle_mm_fault+0x1038/0x1240 [ 9.831194][ T118] [<0000000000393cae>] handle_mm_fault+0xce/0x220 [ 9.831235][ T118] [<0000000000129508>] do_exception+0x1d8/0x4d0 [ 9.831276][ T118] [<0000000000129e2a>] do_dat_exception+0x2a/0x50 [ 9.831317][ T118] [<0000000000a5ab54>] __do_pgm_check+0xf4/0x1b0 [ 9.831362][ T118] [<0000000000a6b64c>] pgm_check_handler+0x11c/0x170 [ 9.831406][ T118] Last Breaking-Event-Address: [ 9.831431][ T118] [<000000000040f4b8>] __mod_lruvec_page_state+0x98/0xe0 [ 9.831757][ T118] ---[ end trace 0000000000000000 ]--- [ 99.908357][ T1] Unable to handle kernel pointer dereference in virtual kernel address space [ 99.908447][ T1] Failing address: 0000000000000000 TEID: 0000000000000483 [ 99.908488][ T1] Fault in home space mode while using kernel ASCE. [ 99.908682][ T1] AS:0000000001828007 R3:000000007ffec007 S:000000007fff1800 P:000000000000003d [ 99.909027][ T1] Oops: 0004 ilc:3 [#4] SMP [ 99.909229][ T1] Modules linked in: [ 99.909316][ T1] CPU: 0 PID: 1 Comm: systemd Tainted: G D 6.0.0-rc6-1.g2132e28-default #1 openSUSE Tumbleweed (unreleased) 23ff4c3ab0b429314c21910f4f8cb21b0ff3e788 [ 99.909411][ T1] Hardware name: QEMU 2964 QEMU (KVM/Linux) [ 99.909464][ T1] Krnl PSW : 0404d00180000000 000000000040f4f2 (__mod_lruvec_page_state+0xd2/0xe0) [ 99.909662][ T1] R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:1 PM:0 RI:0 EA:3 [ 99.909749][ T1] Krnl GPRS: 0000000000000001 0000000003b7ba00 0000000000000020 0000000000000026 [ 99.909790][ T1] 0000000000000001 00000372000ba240 00000000044b0f00 0000000008100073 [ 99.909851][ T1] 0700000008100073 00000000003938f2 00000372000ba240 000000007fffe1c0 [ 99.909894][ T1] 0000000003a6c400 0000000000000000 000003800000bc40 000003800000bc10 [ 99.909985][ T1] Krnl Code: 000000000040f4e2: c0f4fffb0927 brcl 15,0000000000370730 [ 99.909985][ T1] 000000000040f4e8: ec51ffff00d9 aghik %r5,%r1,-1 [ 99.909985][ T1] #000000000040f4ee: a7f4ffc6 brc 15,000000000040f47a [ 99.909985][ T1] >000000000040f4f2: e3b020880024 stg %r11,136(%r2) [ 99.909985][ T1] 000000000040f4f8: a7f4ffe2 brc 15,000000000040f4bc [ 99.909985][ T1] 000000000040f4fc: 0707 bcr 0,%r7 [ 99.909985][ T1] 000000000040f4fe: 0707 bcr 0,%r7 [ 99.909985][ T1] 000000000040f500: c00400349b40 brcl 0,0000000000aa2b80 [ 99.910420][ T1] Call Trace: [ 99.910467][ T1] [<000000000040f4f2>] __mod_lruvec_page_state+0xd2/0xe0 [ 99.910551][ T1] [<000000000012fcaa>] page_table_alloc+0x16a/0x290 [ 99.910607][ T1] [<00000000003938f2>] __handle_mm_fault+0xf52/0x1240 [ 99.910658][ T1] [<0000000000393cae>] handle_mm_fault+0xce/0x220 [ 99.910720][ T1] [<0000000000129508>] do_exception+0x1d8/0x4d0 [ 99.910827][ T1] [<0000000000129e2a>] do_dat_exception+0x2a/0x50 [ 99.910873][ T1] [<0000000000a5ab54>] __do_pgm_check+0xf4/0x1b0 [ 99.910922][ T1] [<0000000000a6b64c>] pgm_check_handler+0x11c/0x170 [ 99.910969][ T1] Last Breaking-Event-Address: [ 99.910995][ T1] [<000000000040f4b8>] __mod_lruvec_page_state+0x98/0xe0 [ 99.911607][ T1] ---[ end trace 0000000000000000 ]--- [ 99.912219][ T1] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b -- You are receiving this mail because: You are on the CC list for the bug.