On Thu, Mar 21, 2019 at 05:50:25PM +0100, Greg Kroah-Hartman wrote:
On Thu, Mar 21, 2019 at 09:16:23AM -0700, Guenter Roeck wrote:
s390 (crash, all tests):
addressing exception: 0005 ilc:3 [#1] SMP Modules linked in: CPU: 0 PID: 2 Comm: kthreadd Not tainted 4.19.31-rc1-00212-g4107be0fa04a #1 Hardware name: QEMU 2827 QEMU (KVM/Linux) Krnl PSW : (____ptrval____) (____ptrval____) (__list_del_entry_valid+0x28/0x100) R:0 T:0 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:2 PM:0 RI:0 EA:3 Krnl GPRS: 01000d1afffffb00 000003d1007e1500 000003d1007e1508 0000000000000200 000003d1007e1508 000000001f8538a8 0000000000000001 000000001fff1d00 000000001f83aa00 000000001fff1d00 0000000000000002 000003d1007e1508 00000000000000d0 0000000000bcba58 000000001f8538d8 000000001f8538b8 Krnl Code: 00000000007bafd0: a7fbffe0 aghi %r15,-32 00000000007bafd4: e3e0f0980024 stg %r14,152(%r15) #00000000007bafda: e31020000004 lg %r1,0(%r2) >00000000007bafe0: a71f0100 cghi %r1,256 00000000007bafe4: e33020080004 lg %r3,8(%r2) 00000000007bafea: a784001c brc 8,7bb022 00000000007bafee: a73f0200 cghi %r3,512 00000000007baff2: a7840030 brc 8,7bb052 Call Trace: ([<000000001fff2400>] 0x1fff2400) [<0000000000335e42>] get_page_from_freelist+0x742/0x1810 [<00000000003376b4>] __alloc_pages_nodemask+0x184/0x14f8 [<0000000000172f16>] copy_process.part.6+0x1de/0x2218 [<00000000001755e0>] _do_fork+0xd0/0x728 [<0000000000175c8e>] kernel_thread+0x56/0x68 [<00000000001a6432>] kthreadd+0x252/0x2d8 [<0000000000b26a1e>] kernel_thread_starter+0x6/0xc [<0000000000b26a18>] kernel_thread_starter+0x0/0xc INFO: lockdep is turned off. Last Breaking-Event-Address: [<0000000000335e3c>] get_page_from_freelist+0x73c/0x1810
v5.0.y.queue:
s390, (crash, all tests):
Kernel stack overflow. CPU: 0 PID: 2 Comm: swapper/0 Not tainted 5.0.4-rc1-00148-g68af88140894 #1 Hardware name: QEMU 2827 QEMU (KVM/Linux) Krnl PSW : 0004c00180000000 0000000000b113c2 (pgm_check_handler+0x126/0x22c) R:0 T:0 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:0 PM:0 RI:0 EA:3 Krnl GPRS: 81000ef1ffff6400 0000000000000000 000000001fea26e0 000000000000008a 0000000000b1127c 0000000000000000 0000000000000000 0000000000000000 0004c00180000000 0000000000b113c2 0000000000b11322 000003e0000d8178 000000001f842a00 0000000000000000 000003e0000dbea8 000003e0000d80d8 Krnl Code: 0000000000b113b4: b90400db lgr %r13,%r11 0000000000b113b8: 41b0f0a0 la %r11,160(%r15) #0000000000b113bc: eb07b0180024 stmg %r0,%r7,24(%r11) >0000000000b113c2: b9820000 xgr %r0,%r0 0000000000b113c6: b9820011 xgr %r1,%r1 0000000000b113ca: b9820022 xgr %r2,%r2 0000000000b113ce: b9820033 xgr %r3,%r3 0000000000b113d2: b9820044 xgr %r4,%r4 Call Trace: addressing exception: 0005 ilc:3 [#1] SMP Modules linked in: CPU: 0 PID: 2 Comm: swapper/0 Not tainted 5.0.4-rc1-00148-g68af88140894 #1 Hardware name: QEMU 2827 QEMU (KVM/Linux) Krnl PSW : 0004e00180000000 0000000000114d24 (__dump_trace+0x4c/0x110) R:0 T:0 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:2 PM:0 RI:0 EA:3 Krnl GPRS: 01000ebdffffff80 000000001fa44000 0000000000114e70 0000000000000000 0000000000000000 000003e0000d8000 000003e0000dbf48 0000000000114e70 000003e0000dbf60 0000000000000000 000003e0000d80d8 0000000000114e70 000000001f842a00 0000000000b11d66 0000000000e13dd0 0000000000e13d78 Krnl Code: 0000000000114d16: a76bff48 aghi %r6,-184 0000000000114d1a: a7490000 lghi %r4,0 #0000000000114d1e: e330a0880004 lg %r3,136(%r10) >0000000000114d24: b9040029 lgr %r2,%r9 0000000000114d28: 0de7 basr %r14,%r7 0000000000114d2a: 1222 ltr %r2,%r2 0000000000114d2c: b90400ca lgr %r12,%r10 0000000000114d30: a7840017 brc 8,114d5e Call Trace: INFO: lockdep is turned off. Last Breaking-Event-Address: [<0000000000114e4e>] dump_trace+0x66/0x88 addressing exception: 0005 ilc:3 [#2] SMP Modules linked in: CPU: 0 PID: 2 Comm: swapper/0 Tainted: G D 5.0.4-rc1-00148-g68af88140894 #1 Hardware name: QEMU 2827 QEMU (KVM/Linux) Krnl PSW : 0004e00180000000 00000000001dfbc8 (cpuacct_charge+0x40/0x218) R:0 T:0 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:2 PM:0 RI:0 EA:3 Krnl GPRS: 000000000001b944 000003e0000d8000 0000000000003000 00000000011ef130 fffffffffff00000 ffffffffff0ed590 0000000000000000 000000001febff18 0000000000e2a0f8 000000001f842a00 000000001f842a00 00000000011ef130 00000000011ef130 0000000000b2c148 000000001fa47bd0 000000001fa47b68 Krnl Code: 00000000001dfbba: a78400ef brc 8,1dfd98 00000000001dfbbe: a7293000 lghi %r2,12288 #00000000001dfbc2: e3321f500091 llgh %r3,3920(%r2,%r1) >00000000001dfbc8: e330d0000082 xg %r3,0(%r13) 00000000001dfbce: 5430d008 n %r3,8(%r13) 00000000001dfbd2: 581003a0 l %r1,928 00000000001dfbd6: a71a0001 ahi %r1,1 00000000001dfbda: a7b800ff lhi %r11,255 Call Trace: ([<0000000000000001>] 0x1) [<00000000001b8312>] update_curr+0x18a/0x488 [<00000000001bce6c>] task_tick_fair+0x4c/0x7f0 [<00000000001b2eaa>] scheduler_tick+0x9a/0x130 [<000000000022f466>] update_process_times+0x56/0x68 [<0000000000242a52>] tick_sched_handle.isra.5+0x52/0x78 [<0000000000242adc>] tick_sched_timer+0x64/0xc8 [<00000000002302cc>] __hrtimer_run_queues+0x144/0x510 [<00000000002314ca>] hrtimer_interrupt+0x102/0x248 [<000000000010dbac>] do_IRQ+0x6c/0xb0 [<0000000000b118e0>] ext_int_handler+0x130/0x134 [<0000000000b1032c>] _raw_spin_unlock_irq+0x44/0x60 INFO: lockdep is turned off. Last Breaking-Event-Address: [<00000000001b830c>] update_curr+0x184/0x488 Kernel panic - not syncing: Fatal exception in interrupt
Ugh, s390, I have no idea, I just take what is given to me...
Let me see if I can figure it out.
Want me to bisect ?
Guenter