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Message-ID: <Ys74yvOUuZqrl9D7@quatroqueijos>
Date: Wed, 13 Jul 2022 13:54:34 -0300
From: Thadeu Lima de Souza Cascardo <cascardo@...onical.com>
To: Naresh Kamboju <naresh.kamboju@...aro.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
kvm list <kvm@...r.kernel.org>, linux-kernel@...r.kernel.org,
stable@...r.kernel.org, torvalds@...ux-foundation.org,
akpm@...ux-foundation.org, linux@...ck-us.net, shuah@...nel.org,
patches@...nelci.org, lkft-triage@...ts.linaro.org, pavel@...x.de,
jonathanh@...dia.com, f.fainelli@...il.com,
sudipm.mukherjee@...il.com, slade@...dewatkins.com,
Sean Christopherson <seanjc@...gle.com>,
Paolo Bonzini <pbonzini@...hat.com>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
Dave Hansen <dave.hansen@...ux.intel.com>,
X86 ML <x86@...nel.org>, "H. Peter Anvin" <hpa@...or.com>,
Alex Bennée <alex.bennee@...aro.org>,
Anders Roxell <anders.roxell@...aro.org>,
Arnaldo Carvalho de Melo <acme@...nel.org>
Subject: Re: [PATCH 5.18 00/61] 5.18.12-rc1 review
On Wed, Jul 13, 2022 at 07:28:40PM +0530, Naresh Kamboju wrote:
> On Wed, 13 Jul 2022 at 18:33, Greg Kroah-Hartman
> <gregkh@...uxfoundation.org> wrote:
> >
> > On Wed, Jul 13, 2022 at 04:33:24PM +0530, Naresh Kamboju wrote:
> > > On Wed, 13 Jul 2022 at 00:21, Greg Kroah-Hartman
> > > <gregkh@...uxfoundation.org> wrote:
> > > >
> > > > This is the start of the stable review cycle for the 5.18.12 release.
> > > > There are 61 patches in this series, all will be posted as a response
> > > > to this one. If anyone has any issues with these being applied, please
> > > > let me know.
> > > >
> > > > Responses should be made by Thu, 14 Jul 2022 18:32:19 +0000.
> > > > Anything received after that time might be too late.
> > > >
> > > > The whole patch series can be found in one patch at:
> > > > https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.18.12-rc1.gz
> > > > or in the git tree and branch at:
> > > > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.18.y
> > > > and the diffstat can be found below.
> > > >
> > > > thanks,
> > > >
> > > > greg k-h
> > >
> > >
> > > Results from Linaro’s test farm.
> > > Regressions on x86_64 (and still validating results)
> > >
> > > Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
> > >
> > > 1) kernel panic on x86_64 while running kvm-unit-tests.
> > > - APIC base relocation is unsupported by KVM
> >
> > Seems others are hitting this too:
> > https://lore.kernel.org/r/CAMGffEm9y0wnn8LNS9Qo3obPhs0GD5iJZ0WejFzC4baGPDsYTw@mail.gmail.com
> >
> > Does this also happen right now on Linus's tree?
>
> I see this on the mainline 5.19.0-rc6 kernel.
> more data is at the bottom of the email.
>
I think I know what this is and I am just testing a fix. This is due to
FASTOP_SIZE not taking into consideration the size of the return thunk jump.
Cascardo.
> TESTNAME=emulator TIMEOUT=90s ACCEL= ./x86/run x86/emulator.flat -smp 1
> [ 110.831265] kvm: emulating exchange as write
> [ 110.837146] int3: 0000 [#1] PREEMPT SMP PTI
> [ 110.837149] CPU: 3 PID: 3804 Comm: qemu-system-x86 Not tainted 5.19.0-rc6 #1
> [ 110.837151] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
> 2.0b 07/27/2017
> [ 110.837151] RIP: 0010:xaddw_ax_dx+0x9/0x10
>
> https://qa-reports.linaro.org/lkft/linux-mainline-master/build/v5.19-rc6-111-gb047602d579b/testrun/10811596/suite/log-parser-test/tests/
> >
> > > 2) qemu_x86_64 boot warning
> > > - WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:558
> > > apply_returns+0x19c/0x1d0
> >
> > Warning, but does everything still work?
> > And again, still on Linus's tree?
>
> yes.
> The same kernel warning on qemu_x86_64.
>
> <6>[ 1.163406] MDS: Vulnerable: Clear CPU buffers attempted, no microcode
> <4>[ 1.502974] ------------[ cut here ]------------
> <4>[ 1.504324] WARNING: CPU: 0 PID: 0 at
> arch/x86/kernel/alternative.c:558 apply_returns+0x19c/0x1d0
> <4>[ 1.505319] Modules linked in:
> <4>[ 1.506482] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.19.0-rc6 #1
> <4>[ 1.507244] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009),
> BIOS 1.14.0-2 04/01/2014
> <4>[ 1.508031] RIP: 0010:apply_returns+0x19c/0x1d0
>
> https://qa-reports.linaro.org/lkft/linux-mainline-master/build/v5.19-rc6-111-gb047602d579b/testrun/10804486/suite/log-parser-test/tests/
>
> >
>
> >
> > > 3) New warnings noticed while building perf
> > > - Warning: Kernel ABI header at
> > > 'tools/arch/x86/include/asm/disabled-features.h' differs from latest
> > > version at 'arch/x86/include/asm/disabled-features.h'
> >
> > Ick, I'll wait for that to get synced in Linus's tree.
> >
>
> ---
> TESTNAME=emulator TIMEOUT=90s ACCEL= ./x86/run x86/emulator.flat -smp 1
> [ 110.831265] kvm: emulating exchange as write
> [ 110.837146] int3: 0000 [#1] PREEMPT SMP PTI
> [ 110.837149] CPU: 3 PID: 3804 Comm: qemu-system-x86 Not tainted 5.19.0-rc6 #1
> [ 110.837151] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
> 2.0b 07/27/2017
> [ 110.837151] RIP: 0010:xaddw_ax_dx+0x9/0x10
> [ 110.837155] Code: 00 0f bb d0 c3 cc cc cc cc 48 0f bb d0 c3 cc cc
> cc cc 0f 1f 80 00 00 00 00 0f c0 d0 c3 cc cc cc cc 66 0f c1 d0 c3 cc
> cc cc cc <0f> 1f 80 00 00 00 00 0f c1 d0 c3 cc cc cc cc 48 0f c1 d0 c3
> cc cc
> [ 110.837156] RSP: 0018:ffffa3ca02fafce0 EFLAGS: 00000206
> [ 110.837158] RAX: 0000000089abcdef RBX: 0000000000000001 RCX: 0000000000000000
> [ 110.837159] RDX: 0000000076543210 RSI: ffffffffaa858f90 RDI: 0000000000000204
> [ 110.837160] RBP: ffffa3ca02fafce8 R08: ffff9785cd9e7380 R09: 0000000000000002
> [ 110.837161] R10: ffff9785cd9e7380 R11: ffff978583b6c0c8 R12: ffff9785cd9e7380
> [ 110.837161] R13: ffffffffabe09d20 R14: 0000000000000000 R15: 0000000000000000
> [ 110.837162] FS: 00007f9c6ee4f700(0000) GS:ffff9788dfd80000(0000)
> knlGS:0000000000000000
> [ 110.837163] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 110.837164] CR2: 0000000000000000 CR3: 0000000103b86001 CR4: 00000000003726e0
> [ 110.837165] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [ 110.837166] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> [ 110.837166] Call Trace:
> [ 110.837167] <TASK>
> [ 110.837168] ? fastop+0x5d/0xa0
> [ 110.837170] x86_emulate_insn+0x7c9/0xf20
> [ 110.837172] x86_emulate_instruction+0x46d/0x7e0
> [ 110.837174] ? trace_hardirqs_on+0x37/0x100
> [ 110.837177] complete_emulated_mmio+0x211/0x2c0
> [ 110.837178] kvm_arch_vcpu_ioctl_run+0x12a3/0x2310
> [ 110.837180] ? vfs_writev+0xcb/0x1a0
> [ 110.837183] kvm_vcpu_ioctl+0x27e/0x6d0
> [ 110.837185] ? clockevents_program_event+0x98/0x100
> [ 110.837188] ? selinux_file_ioctl+0xae/0x140
> [ 110.837191] ? selinux_file_ioctl+0xae/0x140
> [ 110.837193] __x64_sys_ioctl+0x95/0xd0
> [ 110.837195] do_syscall_64+0x3b/0x90
> [ 110.837199] entry_SYSCALL_64_after_hwframe+0x63/0xcd
> [ 110.837200] RIP: 0033:0x7f9c707d98f7
> [ 110.837202] Code: b3 66 90 48 8b 05 a1 35 2c 00 64 c7 00 26 00 00
> 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00
> 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 71 35 2c 00 f7 d8 64 89
> 01 48
> [ 110.837203] RSP: 002b:00007f9c6ee4ea28 EFLAGS: 00000246 ORIG_RAX:
> 0000000000000010
> [ 110.837204] RAX: ffffffffffffffda RBX: 000000000000ae80 RCX: 00007f9c707d98f7
> [ 110.837205] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000000f
> [ 110.837206] RBP: 00005612cd03faf0 R08: 00005612cba7c450 R09: 00000000ffffffff
> [ 110.837206] R10: 00007ffdfdda3080 R11: 0000000000000246 R12: 0000000000000000
> [ 110.837207] R13: 00007f9c72b09000 R14: 0000000000000006 R15: 00005612cd03faf0
> [ 110.837208] </TASK>
> [ 110.837209] Modules linked in: x86_pkg_temp_thermal
> [ 111.090304] ---[ end trace 0000000000000000 ]---
> [ 111.090304] RIP: 0010:xaddw_ax_dx+0x9/0x10
> [ 111.090306] Code: 00 0f bb d0 c3 cc cc cc cc 48 0f bb d0 c3 cc cc
> cc cc 0f 1f 80 00 00 00 00 0f c0 d0 c3 cc cc cc cc 66 0f c1 d0 c3 cc
> cc cc cc <0f> 1f 80 00 00 00 00 0f c1 d0 c3 cc cc cc cc 48 0f c1 d0 c3
> cc cc
> [ 111.090306] RSP: 0018:ffffa3ca02fafce0 EFLAGS: 00000206
> [ 111.090307] RAX: 0000000089abcdef RBX: 0000000000000001 RCX: 0000000000000000
> [ 111.090308] RDX: 0000000076543210 RSI: ffffffffaa858f90 RDI: 0000000000000204
> [ 111.090309] RBP: ffffa3ca02fafce8 R08: ffff9785cd9e7380 R09: 0000000000000002
> [ 111.090309] R10: ffff9785cd9e7380 R11: ffff978583b6c0c8 R12: ffff9785cd9e7380
> [ 111.090310] R13: ffffffffabe09d20 R14: 0000000000000000 R15: 0000000000000000
> [ 111.090310] FS: 00007f9c6ee4f700(0000) GS:ffff9788dfd80000(0000)
> knlGS:0000000000000000
> [ 111.090311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 111.090312] CR2: 0000000000000000 CR3: 0000000103b86001 CR4: 00000000003726e0
> [ 111.090313] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [ 111.090328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> [ 111.090329] Kernel panic - not syncing: Fatal exception in interrupt
> [ 111.090367] Kernel Offset: 0x29800000 from 0xffffffff81000000
> (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
> [ 111.210947] ---[ end Kernel panic - not syncing: Fatal exception in
> interrupt ]---
> [ 111.218507] ------------[ cut here ]------------
> [ 111.218508] sched: Unexpected reschedule of offline CPU#0!
> [ 111.218510] WARNING: CPU: 3 PID: 3804 at
> arch/x86/kernel/apic/ipi.c:68 native_smp_send_reschedule+0x3e/0x50
> [ 111.218512] Modules linked in: x86_pkg_temp_thermal
> [ 111.218513] CPU: 3 PID: 3804 Comm: qemu-system-x86 Tainted: G
> D 5.19.0-rc6 #1
> [ 111.218515] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
> 2.0b 07/27/2017
> [ 111.218515] RIP: 0010:native_smp_send_reschedule+0x3e/0x50
> [ 111.218516] Code: 1b 48 8b 05 24 b9 aa 01 be fd 00 00 00 48 8b 40
> 30 e8 96 06 31 01 5d c3 cc cc cc cc 89 fe 48 c7 c7 c8 d9 25 ac e8 76
> 56 f6 00 <0f> 0b 5d c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f
> 44 00
> [ 111.218517] RSP: 0018:ffffa3ca00168c40 EFLAGS: 00010086
> [ 111.218518] RAX: 0000000000000000 RBX: ffffffffac6189c0 RCX: 0000000000000001
> [ 111.218519] RDX: 0000000000000027 RSI: ffffffffac272909 RDI: 0000000000000001
> [ 111.218520] RBP: ffffa3ca00168c40 R08: ffffffffacb91045 R09: 0000000000000000
> [ 111.218520] R10: 0000000000000030 R11: ffffffffacb91045 R12: 0000000000000000
> [ 111.218521] R13: ffffa3ca00168cf8 R14: ffffa3ca00168cf8 R15: 0000000000000009
> [ 111.218521] FS: 00007f9c6ee4f700(0000) GS:ffff9788dfd80000(0000)
> knlGS:0000000000000000
> [ 111.218522] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 111.218523] CR2: 0000000000000000 CR3: 0000000103b86001 CR4: 00000000003726e0
> [ 111.218523] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [ 111.218524] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> [ 111.218525] Call Trace:
> [ 111.218525] <IRQ>
> [ 111.218526] resched_curr+0x5c/0xd0
> [ 111.218528] check_preempt_curr+0x3b/0x70
> [ 111.218530] ttwu_do_wakeup+0x1c/0x180
> [ 111.218531] ttwu_do_activate+0x94/0x180
> [ 111.218533] try_to_wake_up+0x276/0x5b0
> [ 111.218535] default_wake_function+0x1a/0x40
> [ 111.218536] autoremove_wake_function+0x12/0x40
> [ 111.218538] __wake_up_common+0x7d/0x140
> [ 111.218540] __wake_up_common_lock+0x7c/0xc0
> [ 111.218543] __wake_up+0x13/0x20
> [ 111.218545] wake_up_klogd_work_func+0x7b/0x90
> [ 111.218547] irq_work_single+0x46/0xa0
> [ 111.218548] irq_work_run_list+0x2a/0x40
> [ 111.218550] irq_work_tick+0x4d/0x70
> [ 111.218551] update_process_times+0x90/0xb0
> [ 111.218553] tick_sched_handle+0x38/0x50
> [ 111.218555] tick_sched_timer+0x7b/0xa0
> [ 111.218556] ? tick_sched_do_timer+0xa0/0xa0
> [ 111.218557] __hrtimer_run_queues+0xa7/0x300
> [ 111.218560] hrtimer_interrupt+0x110/0x230
> [ 111.218562] __sysvec_apic_timer_interrupt+0x84/0x170
> [ 111.218564] sysvec_apic_timer_interrupt+0xab/0xd0
> [ 111.218566] </IRQ>
> [ 111.218566] <TASK>
> [ 111.218567] asm_sysvec_apic_timer_interrupt+0x1b/0x20
> [ 111.218568] RIP: 0010:panic+0x253/0x292
> [ 111.218570] Code: e8 88 3b 1a ff 48 c7 c6 a0 ba b7 ac 48 c7 c7 80
> 32 26 ac e8 23 5c 00 00 c7 05 e3 97 0a 01 01 00 00 00 e8 46 e6 28 ff
> fb 31 db <4c> 39 eb 7c 1d 41 83 f4 01 48 8b 05 13 2d 32 01 44 89 e7 e8
> ab ac
> [ 111.218571] RSP: 0018:ffffa3ca02fafb10 EFLAGS: 00000246
> [ 111.218572] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
> [ 111.218572] RDX: 0000000000110001 RSI: ffffffffab853daf RDI: ffffffffab858cfa
> [ 111.218573] RBP: ffffa3ca02fafb80 R08: ffffffffacb90fda R09: 00000000acb90fb6
> [ 111.218574] R10: ffffffffffffffff R11: ffffffffffffffff R12: 0000000000000000
> [ 111.218574] R13: 0000000000000000 R14: ffffffffac2520a6 R15: 0000000000000000
> [ 111.218575] ? oops_end.cold+0xc/0x18
> [ 111.218577] ? panic+0x250/0x292
> [ 111.218579] oops_end.cold+0xc/0x18
> [ 111.218580] die+0x43/0x60
> [ 111.218582] exc_int3+0x137/0x160
> [ 111.218583] asm_exc_int3+0x3a/0x40
> [ 111.218584] RIP: 0010:xaddw_ax_dx+0x9/0x10
> [ 111.218585] Code: 00 0f bb d0 c3 cc cc cc cc 48 0f bb d0 c3 cc cc
> cc cc 0f 1f 80 00 00 00 00 0f c0 d0 c3 cc cc cc cc 66 0f c1 d0 c3 cc
> cc cc cc <0f> 1f 80 00 00 00 00 0f c1 d0 c3 cc cc cc cc 48 0f c1 d0 c3
> cc cc
> [ 111.218586] RSP: 0018:ffffa3ca02fafce0 EFLAGS: 00000206
> [ 111.218587] RAX: 0000000089abcdef RBX: 0000000000000001 RCX: 0000000000000000
> [ 111.218587] RDX: 0000000076543210 RSI: ffffffffaa858f90 RDI: 0000000000000204
> [ 111.218588] RBP: ffffa3ca02fafce8 R08: ffff9785cd9e7380 R09: 0000000000000002
> [ 111.218588] R10: ffff9785cd9e7380 R11: ffff978583b6c0c8 R12: ffff9785cd9e7380
> [ 111.218589] R13: ffffffffabe09d20 R14: 0000000000000000 R15: 0000000000000000
> [ 111.218590] ? xaddw_ax_dx+0x8/0x10
> [ 111.218591] ? xaddw_ax_dx+0x9/0x10
> [ 111.218592] ? fastop+0x5d/0xa0
> [ 111.218594] x86_emulate_insn+0x7c9/0xf20
> [ 111.218596] x86_emulate_instruction+0x46d/0x7e0
> [ 111.218597] ? trace_hardirqs_on+0x37/0x100
> [ 111.218599] complete_emulated_mmio+0x211/0x2c0
> [ 111.218601] kvm_arch_vcpu_ioctl_run+0x12a3/0x2310
> [ 111.218602] ? vfs_writev+0xcb/0x1a0
> [ 111.218605] kvm_vcpu_ioctl+0x27e/0x6d0
> [ 111.218607] ? clockevents_program_event+0x98/0x100
> [ 111.218609] ? selinux_file_ioctl+0xae/0x140
> [ 111.218612] ? selinux_file_ioctl+0xae/0x140
> [ 111.218614] __x64_sys_ioctl+0x95/0xd0
> [ 111.218616] do_syscall_64+0x3b/0x90
> [ 111.218618] entry_SYSCALL_64_after_hwframe+0x63/0xcd
> [ 111.218619] RIP: 0033:0x7f9c707d98f7
> [ 111.218620] Code: b3 66 90 48 8b 05 a1 35 2c 00 64 c7 00 26 00 00
> 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00
> 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 71 35 2c 00 f7 d8 64 89
> 01 48
> [ 111.218621] RSP: 002b:00007f9c6ee4ea28 EFLAGS: 00000246 ORIG_RAX:
> 0000000000000010
> [ 111.218622] RAX: ffffffffffffffda RBX: 000000000000ae80 RCX: 00007f9c707d98f7
> [ 111.218623] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000000f
> [ 111.218623] RBP: 00005612cd03faf0 R08: 00005612cba7c450 R09: 00000000ffffffff
> [ 111.218624] R10: 00007ffdfdda3080 R11: 0000000000000246 R12: 0000000000000000
> [ 111.218624] R13: 00007f9c72b09000 R14: 0000000000000006 R15: 00005612cd03faf0
> [ 111.218626] </TASK>
> [ 111.218626] ---[ end trace 0000000000000000 ]---
> [ 111.218629] ------------[ cut here ]------------
> [ 111.218629] WARNING: CPU: 3 PID: 3804 at kernel/sched/core.c:3125
> set_task_cpu+0x195/0x1b0
> [ 111.218631] Modules linked in: x86_pkg_temp_thermal
> [ 111.218632] CPU: 3 PID: 3804 Comm: qemu-system-x86 Tainted: G
> D W 5.19.0-rc6 #1
> [ 111.218634] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
> 2.0b 07/27/2017
> [ 111.218634] RIP: 0010:set_task_cpu+0x195/0x1b0
> [ 111.218636] Code: 65 ff 0d 2e 0a 61 55 0f 85 db fe ff ff 0f 1f 44
> 00 00 e9 d1 fe ff ff 80 8b 1c 05 00 00 04 e9 0f ff ff ff 0f 0b e9 9a
> fe ff ff <0f> 0b 66 83 bb f8 03 00 00 00 0f 84 a9 fe ff ff 0f 0b e9 a2
> fe ff
> [ 111.218636] RSP: 0018:ffffa3ca00168b98 EFLAGS: 00010006
> [ 111.218637] RAX: 0000000000000200 RBX: ffff9785826ad3c0 RCX: ffff978580836e00
> [ 111.218638] RDX: fffffffffffffff2 RSI: 0000000000000001 RDI: ffff9785826ad3c0
> [ 111.218638] RBP: ffffa3ca00168bb8 R08: 0000000000000001 R09: 0000000000000004
> [ 111.218639] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
> [ 111.218639] R13: 0000000000000001 R14: 0000000000000087 R15: ffff9785826adc04
> [ 111.218640] FS: 00007f9c6ee4f700(0000) GS:ffff9788dfd80000(0000)
> knlGS:0000000000000000
> [ 111.218641] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 111.218642] CR2: 0000000000000000 CR3: 0000000103b86001 CR4: 00000000003726e0
> [ 111.218642] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [ 111.218643] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> [ 111.218643] Call Trace:
> [ 111.218644] <IRQ>
> [ 111.218644] try_to_wake_up+0x1d0/0x5b0
> [ 111.218646] default_wake_function+0x1a/0x40
> [ 111.218648] autoremove_wake_function+0x12/0x40
> [ 111.218649] __wake_up_common+0x7d/0x140
> [ 111.218651] __wake_up_common_lock+0x7c/0xc0
> [ 111.218653] __wake_up+0x13/0x20
> [ 111.218655] ep_poll_callback+0x117/0x290
> [ 111.218657] __wake_up_common+0x7d/0x140
> [ 111.218659] __wake_up_common_lock+0x7c/0xc0
> [ 111.218662] __wake_up+0x13/0x20
> [ 111.218663] wake_up_klogd_work_func+0x7b/0x90
> [ 111.218665] irq_work_single+0x46/0xa0
> [ 111.218666] irq_work_run_list+0x2a/0x40
> [ 111.218667] irq_work_tick+0x4d/0x70
> [ 111.218669] update_process_times+0x90/0xb0
> [ 111.218670] tick_sched_handle+0x38/0x50
> [ 111.218672] tick_sched_timer+0x7b/0xa0
> [ 111.218673] ? tick_sched_do_timer+0xa0/0xa0
> [ 111.218674] __hrtimer_run_queues+0xa7/0x300
> [ 111.218677] hrtimer_interrupt+0x110/0x230
> [ 111.218679] __sysvec_apic_timer_interrupt+0x84/0x170
> [ 111.218681] sysvec_apic_timer_interrupt+0xab/0xd0
> [ 111.218683] </IRQ>
> [ 111.218683] <TASK>
> [ 111.218683] asm_sysvec_apic_timer_interrupt+0x1b/0x20
> [ 111.218685] RIP: 0010:panic+0x253/0x292
> [ 111.218686] Code: e8 88 3b 1a ff 48 c7 c6 a0 ba b7 ac 48 c7 c7 80
> 32 26 ac e8 23 5c 00 00 c7 05 e3 97 0a 01 01 00 00 00 e8 46 e6 28 ff
> fb 31 db <4c> 39 eb 7c 1d 41 83 f4 01 48 8b 05 13 2d 32 01 44 89 e7 e8
> ab ac
> [ 111.218686] RSP: 0018:ffffa3ca02fafb10 EFLAGS: 00000246
> [ 111.218687] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
> [ 111.218688] RDX: 0000000000110001 RSI: ffffffffab853daf RDI: ffffffffab858cfa
> [ 111.218688] RBP: ffffa3ca02fafb80 R08: ffffffffacb90fda R09: 00000000acb90fb6
> [ 111.218689] R10: ffffffffffffffff R11: ffffffffffffffff R12: 0000000000000000
> [ 111.218689] R13: 0000000000000000 R14: ffffffffac2520a6 R15: 0000000000000000
> [ 111.218690] ? oops_end.cold+0xc/0x18
> [ 111.218692] ? panic+0x250/0x292
> [ 111.218693] oops_end.cold+0xc/0x18
> [ 111.218694] die+0x43/0x60
> [ 111.218696] exc_int3+0x137/0x160
> [ 111.218697] asm_exc_int3+0x3a/0x40
> [ 111.218698] RIP: 0010:xaddw_ax_dx+0x9/0x10
> [ 111.218699] Code: 00 0f bb d0 c3 cc cc cc cc 48 0f bb d0 c3 cc cc
> cc cc 0f 1f 80 00 00 00 00 0f c0 d0 c3 cc cc cc cc 66 0f c1 d0 c3 cc
> cc cc cc <0f> 1f 80 00 00 00 00 0f c1 d0 c3 cc cc cc cc 48 0f c1 d0 c3
> cc cc
> [ 111.218700] RSP: 0018:ffffa3ca02fafce0 EFLAGS: 00000206
> [ 111.218700] RAX: 0000000089abcdef RBX: 0000000000000001 RCX: 0000000000000000
> [ 111.218701] RDX: 0000000076543210 RSI: ffffffffaa858f90 RDI: 0000000000000204
> [ 111.218702] RBP: ffffa3ca02fafce8 R08: ffff9785cd9e7380 R09: 0000000000000002
> [ 111.218702] R10: ffff9785cd9e7380 R11: ffff978583b6c0c8 R12: ffff9785cd9e7380
> [ 111.218703] R13: ffffffffabe09d20 R14: 0000000000000000 R15: 0000000000000000
> [ 111.218704] ? xaddw_ax_dx+0x8/0x10
> [ 111.218705] ? xaddw_ax_dx+0x9/0x10
> [ 111.218706] ? fastop+0x5d/0xa0
> [ 111.218707] x86_emulate_insn+0x7c9/0xf20
> [ 111.218709] x86_emulate_instruction+0x46d/0x7e0
> [ 111.218710] ? trace_hardirqs_on+0x37/0x100
> [ 111.218713] complete_emulated_mmio+0x211/0x2c0
> [ 111.218714] kvm_arch_vcpu_ioctl_run+0x12a3/0x2310
> [ 111.218716] ? vfs_writev+0xcb/0x1a0
> [ 111.218718] kvm_vcpu_ioctl+0x27e/0x6d0
> [ 111.218720] ? clockevents_program_event+0x98/0x100
> [ 111.218723] ? selinux_file_ioctl+0xae/0x140
> [ 111.218725] ? selinux_file_ioctl+0xae/0x140
> [ 111.218727] __x64_sys_ioctl+0x95/0xd0
> [ 111.218729] do_syscall_64+0x3b/0x90
> [ 111.218731] entry_SYSCALL_64_after_hwframe+0x63/0xcd
> [ 111.218732] RIP: 0033:0x7f9c707d98f7
> [ 111.218733] Code: b3 66 90 48 8b 05 a1 35 2c 00 64 c7 00 26 00 00
> 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00
> 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 71 35 2c 00 f7 d8 64 89
> 01 48
> [ 111.218734] RSP: 002b:00007f9c6ee4ea28 EFLAGS: 00000246 ORIG_RAX:
> 0000000000000010
> [ 111.218735] RAX: ffffffffffffffda RBX: 000000000000ae80 RCX: 00007f9c707d98f7
> [ 111.218735] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000000f
> [ 111.218736] RBP: 00005612cd03faf0 R08: 00005612cba7c450 R09: 00000000ffffffff
> [ 111.218736] R10: 00007ffdfdda3080 R11: 0000000000000246 R12: 0000000000000000
> [ 111.218737] R13: 00007f9c72b09000 R14: 0000000000000006 R15: 00005612cd03faf0
> [ 111.218738] </TASK>
> [ 111.218739] ---[ end trace 0000000000000000 ]---
> [ 111.218740] ------------[ cut here ]------------
> [ 111.218741] sched: Unexpected reschedule of offline CPU#1!
> [ 111.218742] WARNING: CPU: 3 PID: 3804 at
> arch/x86/kernel/apic/ipi.c:68 native_smp_send_reschedule+0x3e/0x50
> [ 111.218743] Modules linked in: x86_pkg_temp_thermal
> [ 111.218744] CPU: 3 PID: 3804 Comm: qemu-system-x86 Tainted: G
> D W 5.19.0-rc6 #1
> [ 111.218745] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
> 2.0b 07/27/2017
> [ 111.218745] RIP: 0010:native_smp_send_reschedule+0x3e/0x50
> [ 111.218747] Code: 1b 48 8b 05 24 b9 aa 01 be fd 00 00 00 48 8b 40
> 30 e8 96 06 31 01 5d c3 cc cc cc cc 89 fe 48 c7 c7 c8 d9 25 ac e8 76
> 56 f6 00 <0f> 0b 5d c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f
> 44 00
> [ 111.218747] RSP: 0018:ffffa3ca00168b20 EFLAGS: 00010082
> [ 111.218748] RAX: 0000000000000000 RBX: ffff978580362180 RCX: 0000000000000001
> [ 111.218749] RDX: 0000000000000027 RSI: ffffffffac272909 RDI: 0000000000000001
> [ 111.218749] RBP: ffffa3ca00168b20 R08: ffffffffacb93d75 R09: 0000000000000000
> [ 111.218750] R10: 0000000000000030 R11: ffffffffacb93d75 R12: 0000000000000001
> [ 111.218750] R13: ffffa3ca00168bd8 R14: ffffa3ca00168bd8 R15: 0000000000000049
> [ 111.218751] FS: 00007f9c6ee4f700(0000) GS:ffff9788dfd80000(0000)
> knlGS:0000000000000000
> [ 111.218752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 111.218753] CR2: 0000000000000000 CR3: 0000000103b86001 CR4: 00000000003726e0
> [ 111.218753] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [ 111.218754] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> [ 111.218754] Call Trace:
> [ 111.218755] <IRQ>
> [ 111.218755] resched_curr+0x5c/0xd0
> [ 111.218756] check_preempt_curr+0x3b/0x70
> [ 111.218758] ttwu_do_wakeup+0x1c/0x180
> [ 111.218760] ttwu_do_activate+0x94/0x180
> [ 111.218761] try_to_wake_up+0x276/0x5b0
> [ 111.218763] default_wake_function+0x1a/0x40
> [ 111.218765] autoremove_wake_function+0x12/0x40
> [ 111.218766] __wake_up_common+0x7d/0x140
> [ 111.218768] __wake_up_common_lock+0x7c/0xc0
> [ 111.218770] __wake_up+0x13/0x20
> [ 111.218772] ep_poll_callback+0x117/0x290
> [ 111.218773] __wake_up_common+0x7d/0x140
> [ 111.218775] __wake_up_common_lock+0x7c/0xc0
> [ 111.218778] __wake_up+0x13/0x20
> [ 111.218779] wake_up_klogd_work_func+0x7b/0x90
> [ 111.218781] irq_work_single+0x46/0xa0
> [ 111.218782] irq_work_run_list+0x2a/0x40
> [ 111.218783] irq_work_tick+0x4d/0x70
> [ 111.218784] update_process_times+0x90/0xb0
> [ 111.218786] tick_sched_handle+0x38/0x50
> [ 111.218788] tick_sched_timer+0x7b/0xa0
> [ 111.218789] ? tick_sched_do_timer+0xa0/0xa0
> [ 111.218790] __hrtimer_run_queues+0xa7/0x300
> [ 111.218793] hrtimer_interrupt+0x110/0x230
> [ 111.218795] __sysvec_apic_timer_interrupt+0x84/0x170
> [ 111.218797] sysvec_apic_timer_interrupt+0xab/0xd0
> [ 111.218798] </IRQ>
> [ 111.218799] <TASK>
> [ 111.218799] asm_sysvec_apic_timer_interrupt+0x1b/0x20
> [ 111.218801] RIP: 0010:panic+0x253/0x292
> [ 111.218801] Code: e8 88 3b 1a ff 48 c7 c6 a0 ba b7 ac 48 c7 c7 80
> 32 26 ac e8 23 5c 00 00 c7 05 e3 97 0a 01 01 00 00 00 e8 46 e6 28 ff
> fb 31 db <4c> 39 eb 7c 1d 41 83 f4 01 48 8b 05 13 2d 32 01 44 89 e7 e8
> ab ac
> [ 111.218802] RSP: 0018:ffffa3ca02fafb10 EFLAGS: 00000246
> [ 111.218803] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
> [ 111.218803] RDX: 0000000000110001 RSI: ffffffffab853daf RDI: ffffffffab858cfa
> [ 111.218804] RBP: ffffa3ca02fafb80 R08: ffffffffacb90fda R09: 00000000acb90fb6
> [ 111.218805] R10: ffffffffffffffff R11: ffffffffffffffff R12: 0000000000000000
> [ 111.218805] R13: 0000000000000000 R14: ffffffffac2520a6 R15: 0000000000000000
> [ 111.218806] ? oops_end.cold+0xc/0x18
> [ 111.218807] ? panic+0x250/0x292
> [ 111.218809] oops_end.cold+0xc/0x18
> [ 111.218810] die+0x43/0x60
> [ 111.218812] exc_int3+0x137/0x160
> [ 111.218813] asm_exc_int3+0x3a/0x40
> [ 111.218814] RIP: 0010:xaddw_ax_dx+0x9/0x10
> [ 111.218815] Code: 00 0f bb d0 c3 cc cc cc cc 48 0f bb d0 c3 cc cc
> cc cc 0f 1f 80 00 00 00 00 0f c0 d0 c3 cc cc cc cc 66 0f c1 d0 c3 cc
> cc cc cc <0f> 1f 80 00 00 00 00 0f c1 d0 c3 cc cc cc cc 48 0f c1 d0 c3
> cc cc
> [ 111.218815] RSP: 0018:ffffa3ca02fafce0 EFLAGS: 00000206
> [ 111.218816] RAX: 0000000089abcdef RBX: 0000000000000001 RCX: 0000000000000000
> [ 111.218817] RDX: 0000000076543210 RSI: ffffffffaa858f90 RDI: 0000000000000204
> [ 111.218817] RBP: ffffa3ca02fafce8 R08: ffff9785cd9e7380 R09: 0000000000000002
> [ 111.218818] R10: ffff9785cd9e7380 R11: ffff978583b6c0c8 R12: ffff9785cd9e7380
> [ 111.218818] R13: ffffffffabe09d20 R14: 0000000000000000 R15: 0000000000000000
> [ 111.218819] ? xaddw_ax_dx+0x8/0x10
> [ 111.218821] ? xaddw_ax_dx+0x9/0x10
> [ 111.218822] ? fastop+0x5d/0xa0
> [ 111.218823] x86_emulate_insn+0x7c9/0xf20
> [ 111.218825] x86_emulate_instruction+0x46d/0x7e0
> [ 111.218826] ? trace_hardirqs_on+0x37/0x100
> [ 111.218828] complete_emulated_mmio+0x211/0x2c0
> [ 111.218829] kvm_arch_vcpu_ioctl_run+0x12a3/0x2310
> [ 111.218831] ? vfs_writev+0xcb/0x1a0
> [ 111.218833] kvm_vcpu_ioctl+0x27e/0x6d0
> [ 111.218835] ? clockevents_program_event+0x98/0x100
> [ 111.218838] ? selinux_file_ioctl+0xae/0x140
> [ 111.218840] ? selinux_file_ioctl+0xae/0x140
> [ 111.218842] __x64_sys_ioctl+0x95/0xd0
> [ 111.218844] do_syscall_64+0x3b/0x90
> [ 111.218846] entry_SYSCALL_64_after_hwframe+0x63/0xcd
> [ 111.218847] RIP: 0033:0x7f9c707d98f7
> [ 111.218848] Code: b3 66 90 48 8b 05 a1 35 2c 00 64 c7 00 26 00 00
> 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00
> 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 71 35 2c 00 f7 d8 64 89
> 01 48
> [ 111.218849] RSP: 002b:00007f9c6ee4ea28 EFLAGS: 00000246 ORIG_RAX:
> 0000000000000010
> [ 111.218849] RAX: ffffffffffffffda RBX: 000000000000ae80 RCX: 00007f9c707d98f7
> [ 111.218850] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000000f
> [ 111.218851] RBP: 00005612cd03faf0 R08: 00005612cba7c450 R09: 00000000ffffffff
> [ 111.218851] R10: 00007ffdfdda3080 R11: 0000000000000246 R12: 0000000000000000
> [ 111.218852] R13: 00007f9c72b09000 R14: 0000000000000006 R15: 00005612cd03faf0
> [ 111.218853] </TASK>
> [ 111.218854] ---[ end trace 0000000000000000 ]---
>
> https://lkft.validation.linaro.org/scheduler/job/5279904#L1721
>
> - Naresh
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