From: Tahsin Erdogan <tahsin@google.com>
To: kernel test robot <xiaolong.ye@intel.com>
Cc: Tejun Heo <tj@kernel.org>, Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org, David Rientjes <rientjes@google.com>,
linux-kernel@vger.kernel.org, lkp@01.org
Subject: Re: [lkp-robot] [blkcg] ad63af3cb7: BUG:sleeping_function_called_from_invalid_context_at_mm/slab.h
Date: Wed, 8 Mar 2017 23:59:03 -0800 [thread overview]
Message-ID: <CAAeU0aO1FXuPFkWMmY5sPBPUGnvORpxp5HisyFQktt3+_khJ-g@mail.gmail.com> (raw)
In-Reply-To: <20170309052538.GB17010@yexl-desktop>
This is a good catch!
I will post a v5 of the patch shortly to the other email thread.
On Wed, Mar 8, 2017 at 9:25 PM, kernel test robot <xiaolong.ye@intel.com> wrote:
>
> FYI, we noticed the following commit:
>
> commit: ad63af3cb70378a7f780dbef2387a6d13e53a6c9 ("blkcg: allocate struct blkcg_gq outside request queue spinlock")
> url: https://github.com/0day-ci/linux/commits/Tahsin-Erdogan/blkcg-allocate-struct-blkcg_gq-outside-request-queue-spinlock/20170307-030921
> base: https://git.kernel.org/cgit/linux/kernel/git/axboe/linux-block.git for-next
>
> in testcase: boot
>
> on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -m 512M
>
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
>
>
> +----------------------------------------------------------------+------------+------------+
> | | 3695539290 | ad63af3cb7 |
> +----------------------------------------------------------------+------------+------------+
> | boot_successes | 12 | 12 |
> | boot_failures | 8 | 20 |
> | BUG:kernel_hang_in_test_stage | 8 | |
> | BUG:sleeping_function_called_from_invalid_context_at_mm/slab.h | 0 | 20 |
> +----------------------------------------------------------------+------------+------------+
>
>
>
> [ 23.511528] BUG: sleeping function called from invalid context at mm/slab.h:408
> [ 23.543085] in_atomic(): 1, irqs_disabled(): 0, pid: 130, name: udevd
> [ 23.563283] CPU: 0 PID: 130 Comm: udevd Not tainted 4.10.0-rc7-00236-gad63af3 #1
> [ 23.592056] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
> [ 23.625535] Call Trace:
> [ 23.638139] dump_stack+0x63/0x8a
> [ 23.652227] ___might_sleep+0xd3/0x120
> [ 23.667071] __might_sleep+0x4a/0x80
> [ 23.681760] kmem_cache_alloc_node_trace+0x1d6/0x1f0
> [ 23.699087] blkg_alloc+0x4b/0x230
> [ 23.713446] blkg_lookup_create+0x3dc/0x610
> [ 23.729228] ? blkg_alloc+0x158/0x230
> [ 23.744066] blkcg_init_queue+0x62/0x100
> [ 23.759658] blk_alloc_queue_node+0x25a/0x2c0
> [ 23.775866] ? set_fdc+0x130/0x130 [floppy]
> [ 23.791487] blk_init_queue_node+0x20/0x60
> [ 23.807233] blk_init_queue+0x13/0x20
> [ 23.822104] floppy_module_init+0x234/0xee2 [floppy]
> [ 23.838763] ? vunmap_page_range+0x221/0x390
> [ 23.853604] ? set_cmos+0x68/0x68 [floppy]
> [ 23.868345] do_one_initcall+0x43/0x180
> [ 23.883582] ? __might_sleep+0x4a/0x80
> [ 23.898621] ? kmem_cache_alloc_trace+0x163/0x1b0
> [ 23.915435] do_init_module+0x5f/0x1f8
> [ 23.930273] load_module+0x149e/0x1b10
> [ 23.945372] ? __symbol_put+0x40/0x40
> [ 23.960025] ? kernel_read_file+0x1a3/0x1c0
> [ 23.975740] ? kernel_read_file_from_fd+0x49/0x80
> [ 23.992559] SYSC_finit_module+0xbc/0xf0
> [ 24.007991] SyS_finit_module+0xe/0x10
> [ 24.022920] entry_SYSCALL_64_fastpath+0x1a/0xa9
> [ 24.039327] RIP: 0033:0x7f9380e1f4a9
> [ 24.053934] RSP: 002b:00007ffc09ff8698 EFLAGS: 00000202 ORIG_RAX: 0000000000000139
> [ 24.082614] RAX: ffffffffffffffda RBX: 0000000000a64c20 RCX: 00007f9380e1f4a9
> [ 24.103686] RDX: 0000000000000000 RSI: 00007f93810eb0aa RDI: 0000000000000007
> [ 24.124749] RBP: 00007ffc09ff8690 R08: 0000000000000000 R09: 0000000000a63490
> [ 24.146260] R10: 0000000000000007 R11: 0000000000000202 R12: 0000000000a64c20
> [ 24.167489] R13: 0000000000000000 R14: 0000000000a5a2f0 R15: 0000000000a63490
> [ 24.191631] parport_pc 00:04: reported by Plug and Play ACPI
> [ 24.254724] piix4_smbus 0000:00:01.3: SMBus Host Controller at 0x700, revision 0
> [ 24.344624] libata version 3.00 loaded.
> [ 24.355991] ata_piix 0000:00:01.1: version 2.13
> [ 24.380594] input: PC Speaker as /devices/platform/pcspkr/input/input4
> [ 24.454024] scsi host0: ata_piix
> [ 24.460472] scsi host1: ata_piix
> [ 24.460962] ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc080 irq 14
> [ 24.460985] ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc088 irq 15
> [ 24.483223] Error: Driver 'pcspkr' is already registered, aborting...
> [ 24.640449] ata2.01: NODEV after polling detection
> [ 24.643436] ata2.00: ATAPI: QEMU DVD-ROM, 2.5+, max UDMA/100
> [ 24.649435] ata2.00: configured for MWDMA2
> [ 24.653487] BUG: sleeping function called from invalid context at mm/slab.h:408
> [ 24.653510] in_atomic(): 1, irqs_disabled(): 0, pid: 5, name: kworker/u2:0
> [ 24.653515] CPU: 0 PID: 5 Comm: kworker/u2:0 Tainted: G W 4.10.0-rc7-00236-gad63af3 #1
> [ 24.653518] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
> [ 24.653548] Workqueue: events_unbound async_run_entry_fn
> [ 24.653551] Call Trace:
> [ 24.653584] dump_stack+0x63/0x8a
> [ 24.653609] ___might_sleep+0xd3/0x120
> [ 24.653611] __might_sleep+0x4a/0x80
> [ 24.653616] kmem_cache_alloc_node_trace+0x1d6/0x1f0
> [ 24.653643] blkg_alloc+0x4b/0x230
> [ 24.653647] blkg_lookup_create+0x3dc/0x610
> [ 24.653670] ? blkg_alloc+0x158/0x230
> [ 24.653674] blkcg_init_queue+0x62/0x100
> [ 24.653678] blk_alloc_queue_node+0x25a/0x2c0
> [ 24.653706] scsi_alloc_queue+0x1e/0xf0
> [ 24.653709] scsi_alloc_sdev+0x1d3/0x300
> [ 24.653712] scsi_probe_and_add_lun+0x99d/0xe70
> [ 24.653738] ? rpm_resume+0x1a6/0x6e0
> [ 24.653742] ? __pm_runtime_resume+0x5b/0x90
> [ 24.653745] __scsi_add_device+0xff/0x110
> [ 24.653876] ata_scsi_scan_host+0xa3/0x1d0 [libata]
> [ 24.653937] async_port_probe+0x43/0x60 [libata]
> [ 24.653941] async_run_entry_fn+0x39/0x170
> [ 24.653966] process_one_work+0x1a3/0x480
> [ 24.653970] ? try_to_del_timer_sync+0x4b/0x60
> [ 24.653973] worker_thread+0x4e/0x4d0
> [ 24.653997] kthread+0x10c/0x140
> [ 24.654000] ? process_one_work+0x480/0x480
> [ 24.654003] ? kthread_create_on_node+0x40/0x40
> [ 24.654028] ret_from_fork+0x2c/0x40
> [ 24.656370] scsi 1:0:0:0: CD-ROM QEMU QEMU DVD-ROM 2.5+ PQ: 0 ANSI: 5
> [ 24.745810] ppdev: user-space parallel port driver
> [ 24.849575] sr 1:0:0:0: [sr0] scsi3-mmc drive: 4x/4x cd/rw xa/form2 tray
> [ 24.849599] cdrom: Uniform CD-ROM driver Revision: 3.20
> [ 24.854112] sr 1:0:0:0: Attached scsi CD-ROM sr0
> [ 25.653532] BUG: sleeping function called from invalid context at mm/slab.h:408
> [ 25.653536] in_atomic(): 1, irqs_disabled(): 0, pid: 130, name: udevd
> [ 25.653542] CPU: 0 PID: 130 Comm: udevd Tainted: G W 4.10.0-rc7-00236-gad63af3 #1
> [ 25.653564] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
> [ 25.653566] Call Trace:
> [ 25.653603] dump_stack+0x63/0x8a
> [ 25.653630] ___might_sleep+0xd3/0x120
> [ 25.653634] __might_sleep+0x4a/0x80
> [ 25.653639] kmem_cache_alloc_node_trace+0x1d6/0x1f0
> [ 25.653666] blkg_alloc+0x4b/0x230
> [ 25.653671] blkg_lookup_create+0x3dc/0x610
> [ 25.653695] ? blkg_alloc+0x158/0x230
> [ 25.653701] blkcg_init_queue+0x62/0x100
> [ 25.653726] blk_alloc_queue_node+0x25a/0x2c0
> [ 25.653760] ? set_fdc+0x130/0x130 [floppy]
> [ 25.653802] blk_init_queue_node+0x20/0x60
> [ 25.653827] blk_init_queue+0x13/0x20
> [ 25.653856] floppy_module_init+0x234/0xee2 [floppy]
> [ 25.653861] ? vunmap_page_range+0x221/0x390
> [ 25.653889] ? set_cmos+0x68/0x68 [floppy]
> [ 25.653895] do_one_initcall+0x43/0x180
> [ 25.653898] ? __might_sleep+0x4a/0x80
> [ 25.653923] ? kmem_cache_alloc_trace+0x163/0x1b0
> [ 25.653932] do_init_module+0x5f/0x1f8
> [ 25.653960] load_module+0x149e/0x1b10
> [ 25.653964] ? __symbol_put+0x40/0x40
> [ 25.653990] ? kernel_read_file+0x1a3/0x1c0
> [ 25.653995] ? kernel_read_file_from_fd+0x49/0x80
> [ 25.654020] SYSC_finit_module+0xbc/0xf0
> [ 25.654025] SyS_finit_module+0xe/0x10
> [ 25.654054] entry_SYSCALL_64_fastpath+0x1a/0xa9
> [ 25.654058] RIP: 0033:0x7f9380e1f4a9
> [ 25.654060] RSP: 002b:00007ffc09ff8698 EFLAGS: 00000202 ORIG_RAX: 0000000000000139
> [ 25.654085] RAX: ffffffffffffffda RBX: 0000000000a64c20 RCX: 00007f9380e1f4a9
> [ 25.654088] RDX: 0000000000000000 RSI: 00007f93810eb0aa RDI: 0000000000000007
> [ 25.654090] RBP: 00007ffc09ff8690 R08: 0000000000000000 R09: 0000000000a63490
> [ 25.654092] R10: 0000000000000007 R11: 0000000000000202 R12: 0000000000a64c20
> [ 25.654115] R13: 0000000000000000 R14: 0000000000a5a2f0 R15: 0000000000a63490
> [ 25.669580] Floppy drive(s): fd0 is 2.88M AMI BIOS
> [ 25.691745] FDC 0 is a S82078B
> [ 26.450439] parport0: PC-style at 0x378, irq 7 [PCSPP,TRISTATE]
>
>
> To reproduce:
>
> git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
> cd lkp-tests
> bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email
>
>
>
> Thanks,
> Xiaolong
WARNING: multiple messages have this Message-ID (diff)
From: Tahsin Erdogan <tahsin@google.com>
To: lkp@lists.01.org
Subject: Re: [lkp-robot] [blkcg] ad63af3cb7: BUG:sleeping_function_called_from_invalid_context_at_mm/slab.h
Date: Wed, 08 Mar 2017 23:59:03 -0800 [thread overview]
Message-ID: <CAAeU0aO1FXuPFkWMmY5sPBPUGnvORpxp5HisyFQktt3+_khJ-g@mail.gmail.com> (raw)
In-Reply-To: <20170309052538.GB17010@yexl-desktop>
[-- Attachment #1: Type: text/plain, Size: 9247 bytes --]
This is a good catch!
I will post a v5 of the patch shortly to the other email thread.
On Wed, Mar 8, 2017 at 9:25 PM, kernel test robot <xiaolong.ye@intel.com> wrote:
>
> FYI, we noticed the following commit:
>
> commit: ad63af3cb70378a7f780dbef2387a6d13e53a6c9 ("blkcg: allocate struct blkcg_gq outside request queue spinlock")
> url: https://github.com/0day-ci/linux/commits/Tahsin-Erdogan/blkcg-allocate-struct-blkcg_gq-outside-request-queue-spinlock/20170307-030921
> base: https://git.kernel.org/cgit/linux/kernel/git/axboe/linux-block.git for-next
>
> in testcase: boot
>
> on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -m 512M
>
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
>
>
> +----------------------------------------------------------------+------------+------------+
> | | 3695539290 | ad63af3cb7 |
> +----------------------------------------------------------------+------------+------------+
> | boot_successes | 12 | 12 |
> | boot_failures | 8 | 20 |
> | BUG:kernel_hang_in_test_stage | 8 | |
> | BUG:sleeping_function_called_from_invalid_context_at_mm/slab.h | 0 | 20 |
> +----------------------------------------------------------------+------------+------------+
>
>
>
> [ 23.511528] BUG: sleeping function called from invalid context at mm/slab.h:408
> [ 23.543085] in_atomic(): 1, irqs_disabled(): 0, pid: 130, name: udevd
> [ 23.563283] CPU: 0 PID: 130 Comm: udevd Not tainted 4.10.0-rc7-00236-gad63af3 #1
> [ 23.592056] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
> [ 23.625535] Call Trace:
> [ 23.638139] dump_stack+0x63/0x8a
> [ 23.652227] ___might_sleep+0xd3/0x120
> [ 23.667071] __might_sleep+0x4a/0x80
> [ 23.681760] kmem_cache_alloc_node_trace+0x1d6/0x1f0
> [ 23.699087] blkg_alloc+0x4b/0x230
> [ 23.713446] blkg_lookup_create+0x3dc/0x610
> [ 23.729228] ? blkg_alloc+0x158/0x230
> [ 23.744066] blkcg_init_queue+0x62/0x100
> [ 23.759658] blk_alloc_queue_node+0x25a/0x2c0
> [ 23.775866] ? set_fdc+0x130/0x130 [floppy]
> [ 23.791487] blk_init_queue_node+0x20/0x60
> [ 23.807233] blk_init_queue+0x13/0x20
> [ 23.822104] floppy_module_init+0x234/0xee2 [floppy]
> [ 23.838763] ? vunmap_page_range+0x221/0x390
> [ 23.853604] ? set_cmos+0x68/0x68 [floppy]
> [ 23.868345] do_one_initcall+0x43/0x180
> [ 23.883582] ? __might_sleep+0x4a/0x80
> [ 23.898621] ? kmem_cache_alloc_trace+0x163/0x1b0
> [ 23.915435] do_init_module+0x5f/0x1f8
> [ 23.930273] load_module+0x149e/0x1b10
> [ 23.945372] ? __symbol_put+0x40/0x40
> [ 23.960025] ? kernel_read_file+0x1a3/0x1c0
> [ 23.975740] ? kernel_read_file_from_fd+0x49/0x80
> [ 23.992559] SYSC_finit_module+0xbc/0xf0
> [ 24.007991] SyS_finit_module+0xe/0x10
> [ 24.022920] entry_SYSCALL_64_fastpath+0x1a/0xa9
> [ 24.039327] RIP: 0033:0x7f9380e1f4a9
> [ 24.053934] RSP: 002b:00007ffc09ff8698 EFLAGS: 00000202 ORIG_RAX: 0000000000000139
> [ 24.082614] RAX: ffffffffffffffda RBX: 0000000000a64c20 RCX: 00007f9380e1f4a9
> [ 24.103686] RDX: 0000000000000000 RSI: 00007f93810eb0aa RDI: 0000000000000007
> [ 24.124749] RBP: 00007ffc09ff8690 R08: 0000000000000000 R09: 0000000000a63490
> [ 24.146260] R10: 0000000000000007 R11: 0000000000000202 R12: 0000000000a64c20
> [ 24.167489] R13: 0000000000000000 R14: 0000000000a5a2f0 R15: 0000000000a63490
> [ 24.191631] parport_pc 00:04: reported by Plug and Play ACPI
> [ 24.254724] piix4_smbus 0000:00:01.3: SMBus Host Controller at 0x700, revision 0
> [ 24.344624] libata version 3.00 loaded.
> [ 24.355991] ata_piix 0000:00:01.1: version 2.13
> [ 24.380594] input: PC Speaker as /devices/platform/pcspkr/input/input4
> [ 24.454024] scsi host0: ata_piix
> [ 24.460472] scsi host1: ata_piix
> [ 24.460962] ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc080 irq 14
> [ 24.460985] ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc088 irq 15
> [ 24.483223] Error: Driver 'pcspkr' is already registered, aborting...
> [ 24.640449] ata2.01: NODEV after polling detection
> [ 24.643436] ata2.00: ATAPI: QEMU DVD-ROM, 2.5+, max UDMA/100
> [ 24.649435] ata2.00: configured for MWDMA2
> [ 24.653487] BUG: sleeping function called from invalid context at mm/slab.h:408
> [ 24.653510] in_atomic(): 1, irqs_disabled(): 0, pid: 5, name: kworker/u2:0
> [ 24.653515] CPU: 0 PID: 5 Comm: kworker/u2:0 Tainted: G W 4.10.0-rc7-00236-gad63af3 #1
> [ 24.653518] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
> [ 24.653548] Workqueue: events_unbound async_run_entry_fn
> [ 24.653551] Call Trace:
> [ 24.653584] dump_stack+0x63/0x8a
> [ 24.653609] ___might_sleep+0xd3/0x120
> [ 24.653611] __might_sleep+0x4a/0x80
> [ 24.653616] kmem_cache_alloc_node_trace+0x1d6/0x1f0
> [ 24.653643] blkg_alloc+0x4b/0x230
> [ 24.653647] blkg_lookup_create+0x3dc/0x610
> [ 24.653670] ? blkg_alloc+0x158/0x230
> [ 24.653674] blkcg_init_queue+0x62/0x100
> [ 24.653678] blk_alloc_queue_node+0x25a/0x2c0
> [ 24.653706] scsi_alloc_queue+0x1e/0xf0
> [ 24.653709] scsi_alloc_sdev+0x1d3/0x300
> [ 24.653712] scsi_probe_and_add_lun+0x99d/0xe70
> [ 24.653738] ? rpm_resume+0x1a6/0x6e0
> [ 24.653742] ? __pm_runtime_resume+0x5b/0x90
> [ 24.653745] __scsi_add_device+0xff/0x110
> [ 24.653876] ata_scsi_scan_host+0xa3/0x1d0 [libata]
> [ 24.653937] async_port_probe+0x43/0x60 [libata]
> [ 24.653941] async_run_entry_fn+0x39/0x170
> [ 24.653966] process_one_work+0x1a3/0x480
> [ 24.653970] ? try_to_del_timer_sync+0x4b/0x60
> [ 24.653973] worker_thread+0x4e/0x4d0
> [ 24.653997] kthread+0x10c/0x140
> [ 24.654000] ? process_one_work+0x480/0x480
> [ 24.654003] ? kthread_create_on_node+0x40/0x40
> [ 24.654028] ret_from_fork+0x2c/0x40
> [ 24.656370] scsi 1:0:0:0: CD-ROM QEMU QEMU DVD-ROM 2.5+ PQ: 0 ANSI: 5
> [ 24.745810] ppdev: user-space parallel port driver
> [ 24.849575] sr 1:0:0:0: [sr0] scsi3-mmc drive: 4x/4x cd/rw xa/form2 tray
> [ 24.849599] cdrom: Uniform CD-ROM driver Revision: 3.20
> [ 24.854112] sr 1:0:0:0: Attached scsi CD-ROM sr0
> [ 25.653532] BUG: sleeping function called from invalid context at mm/slab.h:408
> [ 25.653536] in_atomic(): 1, irqs_disabled(): 0, pid: 130, name: udevd
> [ 25.653542] CPU: 0 PID: 130 Comm: udevd Tainted: G W 4.10.0-rc7-00236-gad63af3 #1
> [ 25.653564] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
> [ 25.653566] Call Trace:
> [ 25.653603] dump_stack+0x63/0x8a
> [ 25.653630] ___might_sleep+0xd3/0x120
> [ 25.653634] __might_sleep+0x4a/0x80
> [ 25.653639] kmem_cache_alloc_node_trace+0x1d6/0x1f0
> [ 25.653666] blkg_alloc+0x4b/0x230
> [ 25.653671] blkg_lookup_create+0x3dc/0x610
> [ 25.653695] ? blkg_alloc+0x158/0x230
> [ 25.653701] blkcg_init_queue+0x62/0x100
> [ 25.653726] blk_alloc_queue_node+0x25a/0x2c0
> [ 25.653760] ? set_fdc+0x130/0x130 [floppy]
> [ 25.653802] blk_init_queue_node+0x20/0x60
> [ 25.653827] blk_init_queue+0x13/0x20
> [ 25.653856] floppy_module_init+0x234/0xee2 [floppy]
> [ 25.653861] ? vunmap_page_range+0x221/0x390
> [ 25.653889] ? set_cmos+0x68/0x68 [floppy]
> [ 25.653895] do_one_initcall+0x43/0x180
> [ 25.653898] ? __might_sleep+0x4a/0x80
> [ 25.653923] ? kmem_cache_alloc_trace+0x163/0x1b0
> [ 25.653932] do_init_module+0x5f/0x1f8
> [ 25.653960] load_module+0x149e/0x1b10
> [ 25.653964] ? __symbol_put+0x40/0x40
> [ 25.653990] ? kernel_read_file+0x1a3/0x1c0
> [ 25.653995] ? kernel_read_file_from_fd+0x49/0x80
> [ 25.654020] SYSC_finit_module+0xbc/0xf0
> [ 25.654025] SyS_finit_module+0xe/0x10
> [ 25.654054] entry_SYSCALL_64_fastpath+0x1a/0xa9
> [ 25.654058] RIP: 0033:0x7f9380e1f4a9
> [ 25.654060] RSP: 002b:00007ffc09ff8698 EFLAGS: 00000202 ORIG_RAX: 0000000000000139
> [ 25.654085] RAX: ffffffffffffffda RBX: 0000000000a64c20 RCX: 00007f9380e1f4a9
> [ 25.654088] RDX: 0000000000000000 RSI: 00007f93810eb0aa RDI: 0000000000000007
> [ 25.654090] RBP: 00007ffc09ff8690 R08: 0000000000000000 R09: 0000000000a63490
> [ 25.654092] R10: 0000000000000007 R11: 0000000000000202 R12: 0000000000a64c20
> [ 25.654115] R13: 0000000000000000 R14: 0000000000a5a2f0 R15: 0000000000a63490
> [ 25.669580] Floppy drive(s): fd0 is 2.88M AMI BIOS
> [ 25.691745] FDC 0 is a S82078B
> [ 26.450439] parport0: PC-style at 0x378, irq 7 [PCSPP,TRISTATE]
>
>
> To reproduce:
>
> git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
> cd lkp-tests
> bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email
>
>
>
> Thanks,
> Xiaolong
next prev parent reply other threads:[~2017-03-09 7:59 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-28 2:49 [PATCH] blkcg: allocate struct blkcg_gq outside request queue spinlock Tahsin Erdogan
2017-02-28 22:47 ` Tejun Heo
2017-02-28 23:51 ` Tahsin Erdogan
2017-03-01 16:55 ` Tejun Heo
2017-03-01 23:43 ` [PATCH v2] " Tahsin Erdogan
2017-03-01 23:49 ` Tahsin Erdogan
2017-03-02 19:32 ` Tejun Heo
2017-03-02 22:33 ` Tahsin Erdogan
2017-03-03 19:23 ` Tejun Heo
2017-03-04 1:40 ` [PATCH v3] " Tahsin Erdogan
2017-03-04 19:23 ` Tejun Heo
2017-03-05 14:12 ` [PATCH v4] " Tahsin Erdogan
2017-03-05 14:24 ` Tahsin Erdogan
2017-03-06 20:03 ` Tejun Heo
2017-03-09 8:05 ` [PATCH v5] " Tahsin Erdogan
2017-03-09 18:27 ` Tejun Heo
2017-03-11 22:42 ` Jens Axboe
2017-03-11 22:52 ` Jens Axboe
2017-03-12 4:35 ` Tahsin Erdogan
2017-03-13 14:32 ` Jens Axboe
2017-03-13 16:17 ` Tahsin Erdogan
2017-03-24 21:56 ` [PATCH] " Tahsin Erdogan
2017-03-24 22:04 ` Jens Axboe
2017-03-28 21:53 ` Tejun Heo
2017-03-28 21:59 ` [PATCH v5] " Jens Axboe
2017-03-28 22:01 ` Tahsin Erdogan
2017-03-09 5:25 ` [lkp-robot] [blkcg] ad63af3cb7: BUG:sleeping_function_called_from_invalid_context_at_mm/slab.h kernel test robot
2017-03-09 5:25 ` kernel test robot
2017-03-09 7:59 ` Tahsin Erdogan [this message]
2017-03-09 7:59 ` Tahsin Erdogan
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