* [vbabka:slub-percpu-sheaves-v1r0] [TESTING, HACK] 9cb4096680: BUG:unable_to_handle_page_fault_for_address
@ 2024-07-14 11:10 kernel test robot
2024-07-15 7:20 ` Vlastimil Babka
0 siblings, 1 reply; 2+ messages in thread
From: kernel test robot @ 2024-07-14 11:10 UTC (permalink / raw)
To: Vlastimil Babka; +Cc: oe-lkp, lkp, oliver.sang
hi, Vlastimil Babka,
we noticed this is a 'TESTING, HACK' patch, however, we are not sure if this
report could supply some hints or information to you, so just report FYI.
Hello,
kernel test robot noticed "BUG:unable_to_handle_page_fault_for_address" on:
commit: 9cb4096680ee90fe6be1b22ff3961174fa8e3ee4 ("TESTING, HACK: sheaves for everyone")
https://git.kernel.org/cgit/linux/kernel/git/vbabka/linux.git slub-percpu-sheaves-v1r0
in testcase: boot
compiler: gcc-10
test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
(please refer to attached dmesg/kmsg for entire log/backtrace)
+-------------------------------------------------------+------------+------------+
| | 7e57e2483a | 9cb4096680 |
+-------------------------------------------------------+------------+------------+
| boot_successes | 6 | 0 |
| boot_failures | 0 | 6 |
| BUG:unable_to_handle_page_fault_for_address | 0 | 3 |
| Oops | 0 | 6 |
| EIP:refill_obj_stock | 0 | 6 |
| Kernel_panic-not_syncing:Fatal_exception_in_interrupt | 0 | 6 |
| BUG:kernel_NULL_pointer_dereference,address | 0 | 3 |
+-------------------------------------------------------+------------+------------+
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202407141855.53dbebec-oliver.sang@intel.com
[ 9.827171][ C0] BUG: unable to handle page fault for address: 6b6b6b6b
[ 9.828805][ C0] #PF: supervisor read access in kernel mode
[ 9.830174][ C0] #PF: error_code(0x0000) - not-present page
[ 9.830821][ C0] *pde = 00000000
[ 9.830821][ C0] Oops: Oops: 0000 [#1] PREEMPT
[ 9.830821][ C0] CPU: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.10.0-rc1-00012-g9cb4096680ee #1
[ 9.830821][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 9.830821][ C0] EIP: refill_obj_stock (include/linux/percpu-refcount.h:174 include/linux/percpu-refcount.h:204 include/linux/percpu-refcount.h:222 include/linux/memcontrol.h:810 mm/memcontrol.c:3650)
[ 9.830821][ C0] Code: ff 31 c9 31 d2 b8 d0 a8 92 c3 68 6c e5 24 c1 6a 00 6a 00 6a 02 e8 66 7e e7 ff e8 89 7d 2f 01 83 c4 10 85 c0 0f 85 ae 01 00 00 <8b> 03 a8 03 0f 85 f4 01 00 00 ff 00 e8 6d 7d 2f 01 85 c0 0f 85 75
All code
========
0: ff 31 pushq (%rcx)
2: c9 leaveq
3: 31 d2 xor %edx,%edx
5: b8 d0 a8 92 c3 mov $0xc392a8d0,%eax
a: 68 6c e5 24 c1 pushq $0xffffffffc124e56c
f: 6a 00 pushq $0x0
11: 6a 00 pushq $0x0
13: 6a 02 pushq $0x2
15: e8 66 7e e7 ff callq 0xffffffffffe77e80
1a: e8 89 7d 2f 01 callq 0x12f7da8
1f: 83 c4 10 add $0x10,%esp
22: 85 c0 test %eax,%eax
24: 0f 85 ae 01 00 00 jne 0x1d8
2a:* 8b 03 mov (%rbx),%eax <-- trapping instruction
2c: a8 03 test $0x3,%al
2e: 0f 85 f4 01 00 00 jne 0x228
34: ff 00 incl (%rax)
36: e8 6d 7d 2f 01 callq 0x12f7da8
3b: 85 c0 test %eax,%eax
3d: 0f .byte 0xf
3e: 85 .byte 0x85
3f: 75 .byte 0x75
Code starting with the faulting instruction
===========================================
0: 8b 03 mov (%rbx),%eax
2: a8 03 test $0x3,%al
4: 0f 85 f4 01 00 00 jne 0x1fe
a: ff 00 incl (%rax)
c: e8 6d 7d 2f 01 callq 0x12f7d7e
11: 85 c0 test %eax,%eax
13: 0f .byte 0xf
14: 85 .byte 0x85
15: 75 .byte 0x75
[ 9.830821][ C0] EAX: 00000001 EBX: 6b6b6b6b ECX: 00000001 EDX: 23d164d6
[ 9.830821][ C0] ESI: 000000c4 EDI: 00000000 EBP: c4bc1e54 ESP: c4bc1e3c
[ 9.830821][ C0] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAGS: 00010002
[ 9.830821][ C0] CR0: 80050033 CR2: 6b6b6b6b CR3: 2b0e7000 CR4: 000406d0
[ 9.830821][ C0] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 9.830821][ C0] DR6: fffe0ff0 DR7: 00000400
[ 9.830821][ C0] Call Trace:
[ 9.830821][ C0] ? show_regs (arch/x86/kernel/dumpstack.c:479)
[ 9.830821][ C0] ? __die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434)
[ 9.830821][ C0] ? page_fault_oops (arch/x86/mm/fault.c:715)
[ 9.830821][ C0] ? kernelmode_fixup_or_oops+0x64/0x70
[ 9.830821][ C0] ? __bad_area_nosemaphore+0x10d/0x1a8
[ 9.830821][ C0] ? bad_area_nosemaphore (arch/x86/mm/fault.c:835)
[ 9.830821][ C0] ? do_user_addr_fault (arch/x86/mm/fault.c:1452)
[ 9.830821][ C0] ? exc_page_fault (arch/x86/include/asm/irqflags.h:26 arch/x86/include/asm/irqflags.h:67 arch/x86/include/asm/irqflags.h:127 arch/x86/mm/fault.c:1489 arch/x86/mm/fault.c:1539)
[ 9.830821][ C0] ? pvclock_clocksource_read_nowd (arch/x86/mm/fault.c:1494)
[ 9.830821][ C0] ? handle_exception (arch/x86/entry/entry_32.S:1047)
[ 9.830821][ C0] ? pvclock_clocksource_read_nowd (arch/x86/mm/fault.c:1494)
[ 9.830821][ C0] ? refill_obj_stock (include/linux/percpu-refcount.h:174 include/linux/percpu-refcount.h:204 include/linux/percpu-refcount.h:222 include/linux/memcontrol.h:810 mm/memcontrol.c:3650)
[ 9.830821][ C0] ? pvclock_clocksource_read_nowd (arch/x86/mm/fault.c:1494)
[ 9.830821][ C0] ? refill_obj_stock (include/linux/percpu-refcount.h:174 include/linux/percpu-refcount.h:204 include/linux/percpu-refcount.h:222 include/linux/memcontrol.h:810 mm/memcontrol.c:3650)
[ 9.830821][ C0] __memcg_slab_free_hook (mm/slab.h:599 mm/memcontrol.c:3804)
[ 9.830821][ C0] __rcu_free_sheaf_prepare (mm/slub.c:5049)
[ 9.830821][ C0] rcu_free_sheaf (mm/slub.c:5072)
[ 9.830821][ C0] rcu_do_batch+0x17b/0x588
[ 9.830821][ C0] rcu_core (kernel/rcu/tree.c:2812)
[ 9.830821][ C0] rcu_core_si (kernel/rcu/tree.c:2828)
[ 9.830821][ C0] handle_softirqs (include/linux/jump_label.h:207 include/linux/jump_label.h:207 include/trace/events/irq.h:142 kernel/softirq.c:555)
[ 9.830821][ C0] run_ksoftirqd (kernel/softirq.c:411 kernel/softirq.c:929)
[ 9.830821][ C0] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3))
[ 9.830821][ C0] kthread (kernel/kthread.c:389)
[ 9.830821][ C0] ? sort_range (kernel/smpboot.c:107)
[ 9.830821][ C0] ? kthread_park (kernel/kthread.c:342)
[ 9.830821][ C0] ret_from_fork (arch/x86/kernel/process.c:153)
[ 9.830821][ C0] ? kthread_park (kernel/kthread.c:342)
[ 9.830821][ C0] ret_from_fork_asm (arch/x86/entry/entry_32.S:737)
[ 9.830821][ C0] entry_INT80_32 (arch/x86/entry/entry_32.S:944)
[ 9.830821][ C0] Modules linked in:
[ 9.830821][ C0] CR2: 000000006b6b6b6b
[ 9.830821][ C0] ---[ end trace 0000000000000000 ]---
[ 9.830821][ C0] EIP: refill_obj_stock (include/linux/percpu-refcount.h:174 include/linux/percpu-refcount.h:204 include/linux/percpu-refcount.h:222 include/linux/memcontrol.h:810 mm/memcontrol.c:3650)
[ 9.830821][ C0] Code: ff 31 c9 31 d2 b8 d0 a8 92 c3 68 6c e5 24 c1 6a 00 6a 00 6a 02 e8 66 7e e7 ff e8 89 7d 2f 01 83 c4 10 85 c0 0f 85 ae 01 00 00 <8b> 03 a8 03 0f 85 f4 01 00 00 ff 00 e8 6d 7d 2f 01 85 c0 0f 85 75
All code
========
0: ff 31 pushq (%rcx)
2: c9 leaveq
3: 31 d2 xor %edx,%edx
5: b8 d0 a8 92 c3 mov $0xc392a8d0,%eax
a: 68 6c e5 24 c1 pushq $0xffffffffc124e56c
f: 6a 00 pushq $0x0
11: 6a 00 pushq $0x0
13: 6a 02 pushq $0x2
15: e8 66 7e e7 ff callq 0xffffffffffe77e80
1a: e8 89 7d 2f 01 callq 0x12f7da8
1f: 83 c4 10 add $0x10,%esp
22: 85 c0 test %eax,%eax
24: 0f 85 ae 01 00 00 jne 0x1d8
2a:* 8b 03 mov (%rbx),%eax <-- trapping instruction
2c: a8 03 test $0x3,%al
2e: 0f 85 f4 01 00 00 jne 0x228
34: ff 00 incl (%rax)
36: e8 6d 7d 2f 01 callq 0x12f7da8
3b: 85 c0 test %eax,%eax
3d: 0f .byte 0xf
3e: 85 .byte 0x85
3f: 75 .byte 0x75
Code starting with the faulting instruction
===========================================
0: 8b 03 mov (%rbx),%eax
2: a8 03 test $0x3,%al
4: 0f 85 f4 01 00 00 jne 0x1fe
a: ff 00 incl (%rax)
c: e8 6d 7d 2f 01 callq 0x12f7d7e
11: 85 c0 test %eax,%eax
13: 0f .byte 0xf
14: 85 .byte 0x85
15: 75 .byte 0x75
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20240714/202407141855.53dbebec-oliver.sang@intel.com
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [vbabka:slub-percpu-sheaves-v1r0] [TESTING, HACK] 9cb4096680: BUG:unable_to_handle_page_fault_for_address
2024-07-14 11:10 [vbabka:slub-percpu-sheaves-v1r0] [TESTING, HACK] 9cb4096680: BUG:unable_to_handle_page_fault_for_address kernel test robot
@ 2024-07-15 7:20 ` Vlastimil Babka
0 siblings, 0 replies; 2+ messages in thread
From: Vlastimil Babka @ 2024-07-15 7:20 UTC (permalink / raw)
To: kernel test robot; +Cc: oe-lkp, lkp
On 7/14/24 1:10 PM, kernel test robot wrote:
>
> hi, Vlastimil Babka,
>
> we noticed this is a 'TESTING, HACK' patch, however, we are not sure if this
> report could supply some hints or information to you, so just report FYI.
Yes thanks for reporting. The commit was actually intended to get more
stress on the new code, although it's not for later inclusion.
Vlastimil
> Hello,
>
> kernel test robot noticed "BUG:unable_to_handle_page_fault_for_address" on:
>
> commit: 9cb4096680ee90fe6be1b22ff3961174fa8e3ee4 ("TESTING, HACK: sheaves for everyone")
> https://git.kernel.org/cgit/linux/kernel/git/vbabka/linux.git slub-percpu-sheaves-v1r0
>
> in testcase: boot
>
> compiler: gcc-10
> test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
>
> (please refer to attached dmesg/kmsg for entire log/backtrace)
>
>
> +-------------------------------------------------------+------------+------------+
> | | 7e57e2483a | 9cb4096680 |
> +-------------------------------------------------------+------------+------------+
> | boot_successes | 6 | 0 |
> | boot_failures | 0 | 6 |
> | BUG:unable_to_handle_page_fault_for_address | 0 | 3 |
> | Oops | 0 | 6 |
> | EIP:refill_obj_stock | 0 | 6 |
> | Kernel_panic-not_syncing:Fatal_exception_in_interrupt | 0 | 6 |
> | BUG:kernel_NULL_pointer_dereference,address | 0 | 3 |
> +-------------------------------------------------------+------------+------------+
>
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <oliver.sang@intel.com>
> | Closes: https://lore.kernel.org/oe-lkp/202407141855.53dbebec-oliver.sang@intel.com
>
>
> [ 9.827171][ C0] BUG: unable to handle page fault for address: 6b6b6b6b
> [ 9.828805][ C0] #PF: supervisor read access in kernel mode
> [ 9.830174][ C0] #PF: error_code(0x0000) - not-present page
> [ 9.830821][ C0] *pde = 00000000
> [ 9.830821][ C0] Oops: Oops: 0000 [#1] PREEMPT
> [ 9.830821][ C0] CPU: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.10.0-rc1-00012-g9cb4096680ee #1
> [ 9.830821][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
> [ 9.830821][ C0] EIP: refill_obj_stock (include/linux/percpu-refcount.h:174 include/linux/percpu-refcount.h:204 include/linux/percpu-refcount.h:222 include/linux/memcontrol.h:810 mm/memcontrol.c:3650)
> [ 9.830821][ C0] Code: ff 31 c9 31 d2 b8 d0 a8 92 c3 68 6c e5 24 c1 6a 00 6a 00 6a 02 e8 66 7e e7 ff e8 89 7d 2f 01 83 c4 10 85 c0 0f 85 ae 01 00 00 <8b> 03 a8 03 0f 85 f4 01 00 00 ff 00 e8 6d 7d 2f 01 85 c0 0f 85 75
> All code
> ========
> 0: ff 31 pushq (%rcx)
> 2: c9 leaveq
> 3: 31 d2 xor %edx,%edx
> 5: b8 d0 a8 92 c3 mov $0xc392a8d0,%eax
> a: 68 6c e5 24 c1 pushq $0xffffffffc124e56c
> f: 6a 00 pushq $0x0
> 11: 6a 00 pushq $0x0
> 13: 6a 02 pushq $0x2
> 15: e8 66 7e e7 ff callq 0xffffffffffe77e80
> 1a: e8 89 7d 2f 01 callq 0x12f7da8
> 1f: 83 c4 10 add $0x10,%esp
> 22: 85 c0 test %eax,%eax
> 24: 0f 85 ae 01 00 00 jne 0x1d8
> 2a:* 8b 03 mov (%rbx),%eax <-- trapping instruction
> 2c: a8 03 test $0x3,%al
> 2e: 0f 85 f4 01 00 00 jne 0x228
> 34: ff 00 incl (%rax)
> 36: e8 6d 7d 2f 01 callq 0x12f7da8
> 3b: 85 c0 test %eax,%eax
> 3d: 0f .byte 0xf
> 3e: 85 .byte 0x85
> 3f: 75 .byte 0x75
>
> Code starting with the faulting instruction
> ===========================================
> 0: 8b 03 mov (%rbx),%eax
> 2: a8 03 test $0x3,%al
> 4: 0f 85 f4 01 00 00 jne 0x1fe
> a: ff 00 incl (%rax)
> c: e8 6d 7d 2f 01 callq 0x12f7d7e
> 11: 85 c0 test %eax,%eax
> 13: 0f .byte 0xf
> 14: 85 .byte 0x85
> 15: 75 .byte 0x75
> [ 9.830821][ C0] EAX: 00000001 EBX: 6b6b6b6b ECX: 00000001 EDX: 23d164d6
> [ 9.830821][ C0] ESI: 000000c4 EDI: 00000000 EBP: c4bc1e54 ESP: c4bc1e3c
> [ 9.830821][ C0] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAGS: 00010002
> [ 9.830821][ C0] CR0: 80050033 CR2: 6b6b6b6b CR3: 2b0e7000 CR4: 000406d0
> [ 9.830821][ C0] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
> [ 9.830821][ C0] DR6: fffe0ff0 DR7: 00000400
> [ 9.830821][ C0] Call Trace:
> [ 9.830821][ C0] ? show_regs (arch/x86/kernel/dumpstack.c:479)
> [ 9.830821][ C0] ? __die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434)
> [ 9.830821][ C0] ? page_fault_oops (arch/x86/mm/fault.c:715)
> [ 9.830821][ C0] ? kernelmode_fixup_or_oops+0x64/0x70
> [ 9.830821][ C0] ? __bad_area_nosemaphore+0x10d/0x1a8
> [ 9.830821][ C0] ? bad_area_nosemaphore (arch/x86/mm/fault.c:835)
> [ 9.830821][ C0] ? do_user_addr_fault (arch/x86/mm/fault.c:1452)
> [ 9.830821][ C0] ? exc_page_fault (arch/x86/include/asm/irqflags.h:26 arch/x86/include/asm/irqflags.h:67 arch/x86/include/asm/irqflags.h:127 arch/x86/mm/fault.c:1489 arch/x86/mm/fault.c:1539)
> [ 9.830821][ C0] ? pvclock_clocksource_read_nowd (arch/x86/mm/fault.c:1494)
> [ 9.830821][ C0] ? handle_exception (arch/x86/entry/entry_32.S:1047)
> [ 9.830821][ C0] ? pvclock_clocksource_read_nowd (arch/x86/mm/fault.c:1494)
> [ 9.830821][ C0] ? refill_obj_stock (include/linux/percpu-refcount.h:174 include/linux/percpu-refcount.h:204 include/linux/percpu-refcount.h:222 include/linux/memcontrol.h:810 mm/memcontrol.c:3650)
> [ 9.830821][ C0] ? pvclock_clocksource_read_nowd (arch/x86/mm/fault.c:1494)
> [ 9.830821][ C0] ? refill_obj_stock (include/linux/percpu-refcount.h:174 include/linux/percpu-refcount.h:204 include/linux/percpu-refcount.h:222 include/linux/memcontrol.h:810 mm/memcontrol.c:3650)
> [ 9.830821][ C0] __memcg_slab_free_hook (mm/slab.h:599 mm/memcontrol.c:3804)
> [ 9.830821][ C0] __rcu_free_sheaf_prepare (mm/slub.c:5049)
> [ 9.830821][ C0] rcu_free_sheaf (mm/slub.c:5072)
> [ 9.830821][ C0] rcu_do_batch+0x17b/0x588
> [ 9.830821][ C0] rcu_core (kernel/rcu/tree.c:2812)
> [ 9.830821][ C0] rcu_core_si (kernel/rcu/tree.c:2828)
> [ 9.830821][ C0] handle_softirqs (include/linux/jump_label.h:207 include/linux/jump_label.h:207 include/trace/events/irq.h:142 kernel/softirq.c:555)
> [ 9.830821][ C0] run_ksoftirqd (kernel/softirq.c:411 kernel/softirq.c:929)
> [ 9.830821][ C0] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3))
> [ 9.830821][ C0] kthread (kernel/kthread.c:389)
> [ 9.830821][ C0] ? sort_range (kernel/smpboot.c:107)
> [ 9.830821][ C0] ? kthread_park (kernel/kthread.c:342)
> [ 9.830821][ C0] ret_from_fork (arch/x86/kernel/process.c:153)
> [ 9.830821][ C0] ? kthread_park (kernel/kthread.c:342)
> [ 9.830821][ C0] ret_from_fork_asm (arch/x86/entry/entry_32.S:737)
> [ 9.830821][ C0] entry_INT80_32 (arch/x86/entry/entry_32.S:944)
> [ 9.830821][ C0] Modules linked in:
> [ 9.830821][ C0] CR2: 000000006b6b6b6b
> [ 9.830821][ C0] ---[ end trace 0000000000000000 ]---
> [ 9.830821][ C0] EIP: refill_obj_stock (include/linux/percpu-refcount.h:174 include/linux/percpu-refcount.h:204 include/linux/percpu-refcount.h:222 include/linux/memcontrol.h:810 mm/memcontrol.c:3650)
> [ 9.830821][ C0] Code: ff 31 c9 31 d2 b8 d0 a8 92 c3 68 6c e5 24 c1 6a 00 6a 00 6a 02 e8 66 7e e7 ff e8 89 7d 2f 01 83 c4 10 85 c0 0f 85 ae 01 00 00 <8b> 03 a8 03 0f 85 f4 01 00 00 ff 00 e8 6d 7d 2f 01 85 c0 0f 85 75
> All code
> ========
> 0: ff 31 pushq (%rcx)
> 2: c9 leaveq
> 3: 31 d2 xor %edx,%edx
> 5: b8 d0 a8 92 c3 mov $0xc392a8d0,%eax
> a: 68 6c e5 24 c1 pushq $0xffffffffc124e56c
> f: 6a 00 pushq $0x0
> 11: 6a 00 pushq $0x0
> 13: 6a 02 pushq $0x2
> 15: e8 66 7e e7 ff callq 0xffffffffffe77e80
> 1a: e8 89 7d 2f 01 callq 0x12f7da8
> 1f: 83 c4 10 add $0x10,%esp
> 22: 85 c0 test %eax,%eax
> 24: 0f 85 ae 01 00 00 jne 0x1d8
> 2a:* 8b 03 mov (%rbx),%eax <-- trapping instruction
> 2c: a8 03 test $0x3,%al
> 2e: 0f 85 f4 01 00 00 jne 0x228
> 34: ff 00 incl (%rax)
> 36: e8 6d 7d 2f 01 callq 0x12f7da8
> 3b: 85 c0 test %eax,%eax
> 3d: 0f .byte 0xf
> 3e: 85 .byte 0x85
> 3f: 75 .byte 0x75
>
> Code starting with the faulting instruction
> ===========================================
> 0: 8b 03 mov (%rbx),%eax
> 2: a8 03 test $0x3,%al
> 4: 0f 85 f4 01 00 00 jne 0x1fe
> a: ff 00 incl (%rax)
> c: e8 6d 7d 2f 01 callq 0x12f7d7e
> 11: 85 c0 test %eax,%eax
> 13: 0f .byte 0xf
> 14: 85 .byte 0x85
> 15: 75 .byte 0x75
>
>
> The kernel config and materials to reproduce are available at:
> https://download.01.org/0day-ci/archive/20240714/202407141855.53dbebec-oliver.sang@intel.com
>
>
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2024-07-14 11:10 [vbabka:slub-percpu-sheaves-v1r0] [TESTING, HACK] 9cb4096680: BUG:unable_to_handle_page_fault_for_address kernel test robot
2024-07-15 7:20 ` Vlastimil Babka
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