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SubjectRe: linux-next: Tree for Aug 12
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Date
On 8/12/21 1:39 AM, Stephen Rothwell wrote:
> Hi all,
>
> Changes since 20210811:
>
> The net-next still had its build failure for which I applied a patch.
>
> The drm tree gained a conflict against Linus' tree.
>
> The drm-intel tree gained a conflict against the drm tree.
>
> The drm-msm tree gained a conflict against Linus' tree.
>
> The kvm-arm tree gained a conflict against the arm64 tree.
>
> Non-merge commits (relative to Linus' tree): 6805
> 6737 files changed, 392726 insertions(+), 154960 deletions(-)
>

Hi,

This one is producing hard lockups on my Intel 64bit system now. I'll
attempt to bisect it in a few hours (I have to step away briefly), if
it's not already known/solved. (20210810 worked fine for me.)

evm: HMAC attrs: 0x1
Freeing unused kernel image (initmem) memory: 1720K
usb 1-8: new full-speed USB device number 3 using xhci_hcd
usb 1-8: New USB device found, idVendor=1532, idProduct=0043, bcdDevice= 2.00
usb 1-8: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 1-8: Product: Razer DeathAdder Chroma
usb 1-8: Manufacturer: Razer
input: Razer Razer DeathAdder Chroma as
/devices/pci0000:00/0000:00:14.0/usb1/1-8/1-8:1.0/0003:1532:0043.0003/input/input5
hid-generic 0003:1532:0043.0003: input,hidraw2: USB HID v1.11 Mouse [Razer Razer DeathAdder Chroma]
on usb-0000:00:14.0-8/input0
input: Razer Razer DeathAdder Chroma Keyboard as
/devices/pci0000:00/0000:00:14.0/usb1/1-8/1-8:1.1/0003:1532:0043.0004/input/input6
input: Razer Razer DeathAdder Chroma as
/devices/pci0000:00/0000:00:14.0/usb1/1-8/1-8:1.1/0003:1532:0043.0004/input/input7
hid-generic 0003:1532:0043.0004: input,hidraw3: USB HID v1.11 Keyboard [Razer Razer DeathAdder
Chroma] on usb-0000:00:14.0-8/input1
input: Razer Razer DeathAdder Chroma as
/devices/pci0000:00/0000:00:14.0/usb1/1-8/1-8:1.2/0003:1532:0043.0005/input/input8
hid-generic 0003:1532:0043.0005: input,hidraw4: USB HID v1.11 Keyboard [Razer Razer DeathAdder
Chroma] on usb-0000:00:14.0-8/input2
NMI watchdog: Watchdog detected hard LOCKUP on cpu 6
Modules linked in:
irq event stamp: 2711080
hardirqs last enabled at (2711079): [<ffffffff811a97e1>] rcu_idle_exit+0x21/0x30
hardirqs last disabled at (2711080): [<ffffffff8114e826>] do_idle+0x86/0xe0
softirqs last enabled at (2476): [<ffffffff81e002d3>] __do_softirq+0x2d3/0x404
softirqs last disabled at (2465): [<ffffffff8110ebf8>] __irq_exit_rcu+0xa8/0xd0
CPU: 6 PID: 0 Comm: swapper/6 Not tainted 5.14.0-rc5-next-20210812-hubbard-github+ #12
Hardware name: ASUS X299-A/PRIME X299-A, BIOS 3201 09/04/2020
RIP: 0010:rcu_read_lock_sched_held+0xd/0x70
Code: f4 01 41 83 e4 01 44 89 e0 41 5c c3 45 31 e4 44 89 e0 41 5c c3 0f 1f 84 00 00 00 00 00 0f 1f
44 00 00 41 54 41 bc 01 00 00 00 <e8> 7e e6 98 00 80
RSP: 0000:ffffc900001fbda0 EFLAGS: 00000083
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8260b1c8
RBP: ffffffff8260b1c8 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff88887ff80000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000005612001 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x172/0x2b0
? _raw_spin_unlock_irqrestore+0x23/0x40
? hrtimer_get_next_event+0x4f/0x60
tick_nohz_next_event+0x53/0x1f0
? tick_nohz_get_sleep_length+0x6b/0xa0
tick_nohz_get_sleep_length+0x6b/0xa0
menu_select+0x4bd/0x600
cpuidle_idle_call+0xf6/0x1d0
do_idle+0x8d/0xe0
cpu_startup_entry+0x19/0x20
secondary_startup_64_no_verify+0xb0/0xbb
rcu: INFO: rcu_sched detected stalls on CPUs/tasks:
rcu: 6-...!: (0 ticks this GP) idle=bc8/0/0x0 softirq=20/20 fqs=0 (false positive?)
(detected by 0, t=65002 jiffies, g=-1107, q=1569)
Sending NMI from CPU 0 to CPUs 6:
NMI backtrace for cpu 6 skipped: idling at poll_idle+0x93/0xb2
rcu: rcu_sched kthread timer wakeup didn't happen for 64999 jiffies! g-1107 f0x0 RCU_GP_WAIT_FQS(5)
->state=0x402
rcu: Possible timer handling issue on cpu=6 timer-softirq=11
rcu: rcu_sched kthread starved for 65002 jiffies! g-1107 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=6
rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_sched state:I stack:14744 pid: 13 ppid: 2 flags:0x00004000
Call Trace:
__schedule+0x26d/0x790
schedule+0x59/0xc0
schedule_timeout+0xc4/0x1f0
? _raw_spin_unlock_irqrestore+0x2d/0x40
? __bpf_trace_tick_stop+0x10/0x10
rcu_gp_fqs_loop+0xfa/0x700
rcu_gp_kthread+0x1d3/0x300
? rcu_gp_cleanup+0x610/0x610
kthread+0x12b/0x150
? set_kthread_struct+0x40/0x40
ret_from_fork+0x22/0x30
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 6:
NMI backtrace for cpu 6 skipped: idling at poll_idle+0x93/0xb2
rcu: INFO: rcu_sched detected stalls on CPUs/tasks:
rcu: 3-...!: (0 ticks this GP) idle=c7c/0/0x0 softirq=43/43 fqs=0 (false positive?)
rcu: 6-...!: (0 ticks this GP) idle=b88/0/0x0 softirq=20/20 fqs=0 (false positive?)
(detected by 0, t=65002 jiffies, g=-1103, q=1560)
Sending NMI from CPU 0 to CPUs 3:
NMI backtrace for cpu 3
CPU: 3 PID: 0 Comm: swapper/3 Not tainted 5.14.0-rc5-next-20210812-hubbard-github+ #12
Hardware name: ASUS X299-A/PRIME X299-A, BIOS 3201 09/04/2020
RIP: 0010:mwait_idle_with_hints.constprop.0+0x4f/0xa0
Code: 48 89 d1 65 48 8b 04 25 40 70 01 00 0f 01 c8 48 8b 00 a8 08 75 14 eb 07 0f 00 2d 3c 53 a4 00
b9 01 00 00 00 48 89 f8 0f 01 c9 <65> 48 8b 04 25 4b
RSP: 0000:ffffc900001e3e80 EFLAGS: 00000046
RAX: 0000000000000020 RBX: 0000000000000003 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff828d6040 RDI: 0000000000000020
RBP: ffffe8ffff2f0b80 R08: 0000000000000000 R09: 0000000000000018
R10: 0000000000000374 R11: 000000000002a055 R12: 0000000000000003
R13: ffffffff828d6190 R14: 0000000000000003 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff88887fec0000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000005612001 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
intel_idle+0x1f/0x30
cpuidle_enter_state+0xa5/0x450
cpuidle_enter+0x29/0x40
cpuidle_idle_call+0x12c/0x1d0
do_idle+0x8d/0xe0
cpu_startup_entry+0x19/0x20
secondary_startup_64_no_verify+0xb0/0xbb
Sending NMI from CPU 0 to CPUs 6:
NMI backtrace for cpu 6 skipped: idling at poll_idle+0x93/0xb2
rcu: rcu_sched kthread timer wakeup didn't happen for 65031 jiffies! g-1103 f0x0 RCU_GP_WAIT_FQS(5)
->state=0x402
rcu: Possible timer handling issue on cpu=6 timer-softirq=11
rcu: rcu_sched kthread starved for 65034 jiffies! g-1103 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=6
rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_sched state:I stack:14744 pid: 13 ppid: 2 flags:0x00004000
Call Trace:
__schedule+0x26d/0x790
schedule+0x59/0xc0
schedule_timeout+0xc4/0x1f0
? _raw_spin_unlock_irqrestore+0x2d/0x40
? __bpf_trace_tick_stop+0x10/0x10
rcu_gp_fqs_loop+0xfa/0x700
rcu_gp_kthread+0x1d3/0x300
? rcu_gp_cleanup+0x610/0x610
kthread+0x12b/0x150
? set_kthread_struct+0x40/0x40
ret_from_fork+0x22/0x30
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 6:
NMI backtrace for cpu 6 skipped: idling at poll_idle+0x98/0xb2


thanks,
--
John Hubbard
NVIDIA
> ----------------------------------------------------------------------------
>
> I have created today's linux-next tree at
> git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
> (patches at http://www.kernel.org/pub/linux/kernel/next/ ). If you
> are tracking the linux-next tree using git, you should not use "git pull"
> to do so as that will try to merge the new linux-next release with the
> old one. You should use "git fetch" and checkout or reset to the new
> master.
>
> You can see which trees have been included by looking in the Next/Trees
> file in the source. There are also quilt-import.log and merge.log
> files in the Next directory. Between each merge, the tree was built
> with a ppc64_defconfig for powerpc, an allmodconfig for x86_64, a
> multi_v7_defconfig for arm and a native build of tools/perf. After
> the final fixups (if any), I do an x86_64 modules_install followed by
> builds for x86_64 allnoconfig, powerpc allnoconfig (32 and 64 bit),
> ppc44x_defconfig, allyesconfig and pseries_le_defconfig and i386, sparc
> and sparc64 defconfig and htmldocs. And finally, a simple boot test
> of the powerpc pseries_le_defconfig kernel in qemu (with and without
> kvm enabled).
>
> Below is a summary of the state of the merge.
>
> I am currently merging 333 trees (counting Linus' and 90 trees of bug
> fix patches pending for the current merge release).
>
> Stats about the size of the tree over time can be seen at
> http://neuling.org/linux-next-size.html .
>
> Status of my local build tests will be at
> http://kisskb.ellerman.id.au/linux-next . If maintainers want to give
> advice about cross compilers/configs that work, we are always open to add
> more builds.
>
> Thanks to Randy Dunlap for doing many randconfig builds. And to Paul
> Gortmaker for triage and bug fixes.
>


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