From: m@bjorling.me (Matias Bjørling)
Subject: [PATCH v5] conversion to blk-mq
Date: Tue, 03 Jun 2014 15:56:42 +0200 [thread overview]
Message-ID: <538DD41A.7040107@bjorling.me> (raw)
In-Reply-To: <alpine.LRH.2.03.1406021702530.11244@AMR>
On 06/03/2014 01:06 AM, Keith Busch wrote:
> Depending on the timing, it might fail in alloc instead of free:
>
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.421243] NULL pointer dereference
> at (null)
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.434284] PGD 429acf067 PUD
> 42ce28067 PMD 0
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.439565] Oops: 0000 [#1] SMP
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.443413] Modules linked in: nvme
> parport_pc ppdev lp parport dlm sctp libcrc32c configfs nfsd auth_rpcgss
> oid_registry nfs_acl nfs lockd fscache sunrpc md4 hmac cifs bridge stp
> llc jfs joydev hid_generic usbhid hid loop md_mod x86_pkg_temp_thermal
> coretemp kvm_intel kvm iTCO_wdt iTCO_vendor_support crc32c_intel
> ghash_clmulni_intel aesni_intel aes_x86_64 glue_helper lrw gf128mul
> ablk_helper cryptd ehci_pci ehci_hcd microcode usbcore pcspkr ioatdma
> lpc_ich usb_common mfd_core i2c_i801 evdev wmi acpi_cpufreq tpm_tis
> ipmi_si tpm ipmi_msghandler processor thermal_sys button ext4 crc16 jbd2
> mbcache dm_mod nbd sg sd_mod sr_mod crc_t10dif cdrom crct10dif_common
> isci libsas igb ahci scsi_transport_sas libahci ptp libata pps_core
> i2c_algo_bit i2c_core scsi_mod dca
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.526398] CPU: 4 PID: 5454 Comm:
> nvme_id_ctrl Not tainted 3.15.0-rc1+ #2
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.534181] Hardware name: Intel
> Corporation S2600GZ/S2600GZ, BIOS SE5C600.86B.02.02.0002.122320131210
> 12/23/2013
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.545789] task: ffff88042e418390 ti:
> ffff8804283e6000 task.ti: ffff8804283e6000
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.554270] RIP:
> 0010:[<ffffffff811c51b8>] [<ffffffff811c51b8>] blk_mq_map_queue+0xf/0x1e
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.563720] RSP:
> 0018:ffff8804283e7d80 EFLAGS: 00010286
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.569755] RAX: 0000000000000000 RBX:
> ffff880035a06008 RCX: 00000000000f4240
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.577830] RDX: 000000000028a360 RSI:
> 0000000000000000 RDI: ffff880035a06008
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.585904] RBP: ffff88043f680000 R08:
> 0000000000000000 R09: 0000000000001000
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.593979] R10: 0000000000001000 R11:
> 0000000000000410 R12: 00000000000000d0
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.602053] R13: 0000000000000001 R14:
> 0000000000000000 R15: 0000000000000000
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.610134] FS:
> 00007f74b8bc9700(0000) GS:ffff88043f680000(0000) knlGS:0000000000000000
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.619303] CS: 0010 DS: 0000 ES:
> 0000 CR0: 0000000080050033
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.625824] CR2: 0000000000000000 CR3:
> 00000004292c4000 CR4: 00000000000407e0
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.633889] Stack:
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.636236] ffffffff811c689f
> 0000000000000000 00000000fffffff4 ffff8804283e7e10
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.644949] ffff8804283e7e94
> 000000000000007d 00007fff4f8a73b0 0000000000000000
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.653653] ffffffffa055acc7
> 0000000000000246 000000002d0aaec0 ffff88042d0aaec0
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.662358] Call Trace:
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.665194] [<ffffffff811c689f>] ?
> blk_mq_alloc_request+0x54/0xd5
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.672217] [<ffffffffa055acc7>] ?
> __nvme_submit_admin_cmd+0x2d/0x68 [nvme]
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.680196] [<ffffffffa055c879>] ?
> nvme_user_admin_cmd+0x144/0x1b1 [nvme]
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.687987] [<ffffffffa055c903>] ?
> nvme_dev_ioctl+0x1d/0x2b [nvme]
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.695107] [<ffffffff81125916>] ?
> do_vfs_ioctl+0x3f2/0x43b
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.701547] [<ffffffff8105ca6b>] ?
> finish_task_switch+0x84/0xc4
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.708382] [<ffffffff81394a8c>] ?
> __schedule+0x45c/0x4f0
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.714603] [<ffffffff811259ad>] ?
> SyS_ioctl+0x4e/0x7d
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.720555] [<ffffffff8139c6d2>] ?
> system_call_fastpath+0x16/0x1b
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.727560] Code: 8b 4a 38 48 39 4e 38
> 72 12 74 06 b8 01 00 00 00 c3 48 8b 4a 60 48 39 4e 60 73 f0 c3 66 66 66
> 66 90 48 8b 87 e0 00 00 00 48 63 f6 <8b> 14 b0 48 8b 87 f8 00 00 00 48
> 8b 04 d0 c3 89 ff f0 48 0f ab
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.760706] RSP <ffff8804283e7d80>
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.764705] CR2: 0000000000000000
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.768531] ---[ end trace
> 785048a51785f51e ]---
>
> On Mon, 2 Jun 2014, Keith Busch wrote:
>> On Mon, 2 Jun 2014, Matias Bj?rling wrote:
>>> Hi Matthew and Keith,
>>>
>>> Here is an updated patch with the feedback from the previous days.
>>> It's against
>>> Jens' for-3.16/core tree. You may use the nvmemq_wip_review branch at:
>>
>> I'm testing this on my normal hardware now. As I feared, hot removal
>> doesn't work while the device is actively being managed. Here's the oops:
>>
>> [ 1267.018283] BUG: unable to handle kernel NULL pointer dereference
>> at 0000000000000004
>> [ 1267.018288] IP: [<ffffffff811c51b8>] blk_mq_map_queue+0xf/0x1e
>> [ 1267.018292] PGD b5ed5067 PUD b57e2067 PMD 0
>> [ 1267.018294] Oops: 0000 [#1] SMP
>> [ 1267.018343] Modules linked in: nvme parport_pc ppdev lp parport dlm
>> sctp libcrc32c configfs nfsd auth_rpcgss oid_registry nfs_acl nfs
>> lockd fscache sunrpc md4 hmac cifs bridge stp llc joydev jfs
>> hid_generic usbhid hid loop md_mod x86_pkg_temp_thermal coretemp
>> kvm_intel kvm iTCO_wdt iTCO_vendor_support crc32c_intel
>> ghash_clmulni_intel aesni_intel aes_x86_64 glue_helper lrw gf128mul
>> ablk_helper cryptd microcode ehci_pci ehci_hcd usbcore pcspkr lpc_ich
>> acpi_cpufreq ioatdma mfd_core usb_common i2c_i801 evdev wmi ipmi_si
>> tpm_tis ipmi_msghandler tpm processor thermal_sys button ext4 crc16
>> jbd2 mbcache dm_mod nbd sg sr_mod cdrom sd_mod crc_t10dif
>> crct10dif_common isci libsas ahci scsi_transport_sas libahci igb
>> libata ptp pps_core i2c_algo_bit scsi_mod i2c_core dca [last unloaded:
>> nvme]
>> [ 1267.018346] CPU: 1 PID: 6618 Comm: nvme_id_ctrl Tainted: G W
>> 3.15.0-rc1+ #2
>> [ 1267.018347] Hardware name: Intel Corporation S2600GZ/S2600GZ, BIOS
>> SE5C600.86B.02.02.0002.122320131210 12/23/2013
>> [ 1267.018349] task: ffff88042879eef0 ti: ffff8800b5f14000 task.ti:
>> ffff8800b5f14000
>> [ 1267.018354] RIP: 0010:[<ffffffff811c51b8>] [<ffffffff811c51b8>]
>> blk_mq_map_queue+0xf/0x1e
>> [ 1267.018356] RSP: 0018:ffff8800b5f15db0 EFLAGS: 00010206
>> [ 1267.018357] RAX: 0000000000000000 RBX: ffffe8fbffa21e80 RCX:
>> ffff88042f3952e0
>> [ 1267.018359] RDX: 0000000000001c10 RSI: 0000000000000001 RDI:
>> ffff8800b5e9f008
>> [ 1267.018360] RBP: ffff88042d993480 R08: ffff8800b5e18cc0 R09:
>> 0000000000000000
>> [ 1267.018362] R10: 0000000000000ca0 R11: 0000000000000ca0 R12:
>> ffff8800b5f15e94
>> [ 1267.018363] R13: 0000000000003a98 R14: 00007fffc7b44c40 R15:
>> 0000000000000000
>> [ 1267.018365] FS: 00007feb4cb05700(0000) GS:ffff88043f620000(0000)
>> knlGS:0000000000000000
>> [ 1267.018367] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>> [ 1267.018369] CR2: 0000000000000004 CR3: 00000000b50f2000 CR4:
>> 00000000000407e0
>> [ 1267.018369] Stack:
>> [ 1267.018372] ffffffff811c6334 00000000fffffffc ffff88042d993480
>> 00000000fffffffc
>> [ 1267.018375] ffffffffa0532d73 0000000000000ca0 00000000fffffff4
>> ffff88042562b440
>> [ 1267.018378] ffff88042d853000 0000000000001000 ffffffffa05348f3
>> ffffc9001518b2a8
>> [ 1267.018378] Call Trace:
>> [ 1267.018383] [<ffffffff811c6334>] ? blk_mq_free_request+0x37/0x48
>> [ 1267.018388] [<ffffffffa0532d73>] ?
>> __nvme_submit_admin_cmd+0x7f/0x8a [nvme]
>> [ 1267.018392] [<ffffffffa05348f3>] ? nvme_user_admin_cmd+0x144/0x1b1
>> [nvme]
>> [ 1267.018397] [<ffffffffa053497d>] ? nvme_dev_ioctl+0x1d/0x2b [nvme]
>> [ 1267.018399] [<ffffffff81125916>] ? do_vfs_ioctl+0x3f2/0x43b
>> [ 1267.018402] [<ffffffff8105ca6b>] ? finish_task_switch+0x84/0xc4
>> [ 1267.018406] [<ffffffff81394a8c>] ? __schedule+0x45c/0x4f0
>> [ 1267.018408] [<ffffffff811259ad>] ? SyS_ioctl+0x4e/0x7d
>> [ 1267.018411] [<ffffffff8139c6d2>] ? system_call_fastpath+0x16/0x1b
>> [ 1267.018435] Code: 8b 4a 38 48 39 4e 38 72 12 74 06 b8 01 00 00 00
>> c3 48 8b 4a 60 48 39 4e 60 73 f0 c3 66 66 66 66 90 48 8b 87 e0 00 00
>> 00 48 63 f6 <8b> 14 b0 48 8b 87 f8 00 00 00 48 8b 04 d0 c3 89 ff f0 48
>> 0f ab
>> [ 1267.018438] RIP [<ffffffff811c51b8>] blk_mq_map_queue+0xf/0x1e
>> [ 1267.018439] RSP <ffff8800b5f15db0>
>> [ 1267.018440] CR2: 0000000000000004
>> [ 1267.018443] ---[ end trace 1e244ae5f3ceb23b ]---
>>
Thanks. I'll look into it.
WARNING: multiple messages have this Message-ID (diff)
From: "Matias Bjørling" <m@bjorling.me>
To: Keith Busch <keith.busch@intel.com>
Cc: willy@linux.intel.com, sbradshaw@micron.com, axboe@kernel.dk,
linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org,
hch@infradead.org
Subject: Re: [PATCH v5] conversion to blk-mq
Date: Tue, 03 Jun 2014 15:56:42 +0200 [thread overview]
Message-ID: <538DD41A.7040107@bjorling.me> (raw)
In-Reply-To: <alpine.LRH.2.03.1406021702530.11244@AMR>
On 06/03/2014 01:06 AM, Keith Busch wrote:
> Depending on the timing, it might fail in alloc instead of free:
>
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.421243] NULL pointer dereference
> at (null)
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.434284] PGD 429acf067 PUD
> 42ce28067 PMD 0
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.439565] Oops: 0000 [#1] SMP
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.443413] Modules linked in: nvme
> parport_pc ppdev lp parport dlm sctp libcrc32c configfs nfsd auth_rpcgss
> oid_registry nfs_acl nfs lockd fscache sunrpc md4 hmac cifs bridge stp
> llc jfs joydev hid_generic usbhid hid loop md_mod x86_pkg_temp_thermal
> coretemp kvm_intel kvm iTCO_wdt iTCO_vendor_support crc32c_intel
> ghash_clmulni_intel aesni_intel aes_x86_64 glue_helper lrw gf128mul
> ablk_helper cryptd ehci_pci ehci_hcd microcode usbcore pcspkr ioatdma
> lpc_ich usb_common mfd_core i2c_i801 evdev wmi acpi_cpufreq tpm_tis
> ipmi_si tpm ipmi_msghandler processor thermal_sys button ext4 crc16 jbd2
> mbcache dm_mod nbd sg sd_mod sr_mod crc_t10dif cdrom crct10dif_common
> isci libsas igb ahci scsi_transport_sas libahci ptp libata pps_core
> i2c_algo_bit i2c_core scsi_mod dca
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.526398] CPU: 4 PID: 5454 Comm:
> nvme_id_ctrl Not tainted 3.15.0-rc1+ #2
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.534181] Hardware name: Intel
> Corporation S2600GZ/S2600GZ, BIOS SE5C600.86B.02.02.0002.122320131210
> 12/23/2013
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.545789] task: ffff88042e418390 ti:
> ffff8804283e6000 task.ti: ffff8804283e6000
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.554270] RIP:
> 0010:[<ffffffff811c51b8>] [<ffffffff811c51b8>] blk_mq_map_queue+0xf/0x1e
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.563720] RSP:
> 0018:ffff8804283e7d80 EFLAGS: 00010286
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.569755] RAX: 0000000000000000 RBX:
> ffff880035a06008 RCX: 00000000000f4240
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.577830] RDX: 000000000028a360 RSI:
> 0000000000000000 RDI: ffff880035a06008
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.585904] RBP: ffff88043f680000 R08:
> 0000000000000000 R09: 0000000000001000
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.593979] R10: 0000000000001000 R11:
> 0000000000000410 R12: 00000000000000d0
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.602053] R13: 0000000000000001 R14:
> 0000000000000000 R15: 0000000000000000
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.610134] FS:
> 00007f74b8bc9700(0000) GS:ffff88043f680000(0000) knlGS:0000000000000000
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.619303] CS: 0010 DS: 0000 ES:
> 0000 CR0: 0000000080050033
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.625824] CR2: 0000000000000000 CR3:
> 00000004292c4000 CR4: 00000000000407e0
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.633889] Stack:
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.636236] ffffffff811c689f
> 0000000000000000 00000000fffffff4 ffff8804283e7e10
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.644949] ffff8804283e7e94
> 000000000000007d 00007fff4f8a73b0 0000000000000000
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.653653] ffffffffa055acc7
> 0000000000000246 000000002d0aaec0 ffff88042d0aaec0
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.662358] Call Trace:
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.665194] [<ffffffff811c689f>] ?
> blk_mq_alloc_request+0x54/0xd5
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.672217] [<ffffffffa055acc7>] ?
> __nvme_submit_admin_cmd+0x2d/0x68 [nvme]
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.680196] [<ffffffffa055c879>] ?
> nvme_user_admin_cmd+0x144/0x1b1 [nvme]
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.687987] [<ffffffffa055c903>] ?
> nvme_dev_ioctl+0x1d/0x2b [nvme]
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.695107] [<ffffffff81125916>] ?
> do_vfs_ioctl+0x3f2/0x43b
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.701547] [<ffffffff8105ca6b>] ?
> finish_task_switch+0x84/0xc4
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.708382] [<ffffffff81394a8c>] ?
> __schedule+0x45c/0x4f0
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.714603] [<ffffffff811259ad>] ?
> SyS_ioctl+0x4e/0x7d
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.720555] [<ffffffff8139c6d2>] ?
> system_call_fastpath+0x16/0x1b
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.727560] Code: 8b 4a 38 48 39 4e 38
> 72 12 74 06 b8 01 00 00 00 c3 48 8b 4a 60 48 39 4e 60 73 f0 c3 66 66 66
> 66 90 48 8b 87 e0 00 00 00 48 63 f6 <8b> 14 b0 48 8b 87 f8 00 00 00 48
> 8b 04 d0 c3 89 ff f0 48 0f ab
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.760706] RSP <ffff8804283e7d80>
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.764705] CR2: 0000000000000000
> Jun 2 16:45:40 kbgrz1 kernel: [ 265.768531] ---[ end trace
> 785048a51785f51e ]---
>
> On Mon, 2 Jun 2014, Keith Busch wrote:
>> On Mon, 2 Jun 2014, Matias Bjørling wrote:
>>> Hi Matthew and Keith,
>>>
>>> Here is an updated patch with the feedback from the previous days.
>>> It's against
>>> Jens' for-3.16/core tree. You may use the nvmemq_wip_review branch at:
>>
>> I'm testing this on my normal hardware now. As I feared, hot removal
>> doesn't work while the device is actively being managed. Here's the oops:
>>
>> [ 1267.018283] BUG: unable to handle kernel NULL pointer dereference
>> at 0000000000000004
>> [ 1267.018288] IP: [<ffffffff811c51b8>] blk_mq_map_queue+0xf/0x1e
>> [ 1267.018292] PGD b5ed5067 PUD b57e2067 PMD 0
>> [ 1267.018294] Oops: 0000 [#1] SMP
>> [ 1267.018343] Modules linked in: nvme parport_pc ppdev lp parport dlm
>> sctp libcrc32c configfs nfsd auth_rpcgss oid_registry nfs_acl nfs
>> lockd fscache sunrpc md4 hmac cifs bridge stp llc joydev jfs
>> hid_generic usbhid hid loop md_mod x86_pkg_temp_thermal coretemp
>> kvm_intel kvm iTCO_wdt iTCO_vendor_support crc32c_intel
>> ghash_clmulni_intel aesni_intel aes_x86_64 glue_helper lrw gf128mul
>> ablk_helper cryptd microcode ehci_pci ehci_hcd usbcore pcspkr lpc_ich
>> acpi_cpufreq ioatdma mfd_core usb_common i2c_i801 evdev wmi ipmi_si
>> tpm_tis ipmi_msghandler tpm processor thermal_sys button ext4 crc16
>> jbd2 mbcache dm_mod nbd sg sr_mod cdrom sd_mod crc_t10dif
>> crct10dif_common isci libsas ahci scsi_transport_sas libahci igb
>> libata ptp pps_core i2c_algo_bit scsi_mod i2c_core dca [last unloaded:
>> nvme]
>> [ 1267.018346] CPU: 1 PID: 6618 Comm: nvme_id_ctrl Tainted: G W
>> 3.15.0-rc1+ #2
>> [ 1267.018347] Hardware name: Intel Corporation S2600GZ/S2600GZ, BIOS
>> SE5C600.86B.02.02.0002.122320131210 12/23/2013
>> [ 1267.018349] task: ffff88042879eef0 ti: ffff8800b5f14000 task.ti:
>> ffff8800b5f14000
>> [ 1267.018354] RIP: 0010:[<ffffffff811c51b8>] [<ffffffff811c51b8>]
>> blk_mq_map_queue+0xf/0x1e
>> [ 1267.018356] RSP: 0018:ffff8800b5f15db0 EFLAGS: 00010206
>> [ 1267.018357] RAX: 0000000000000000 RBX: ffffe8fbffa21e80 RCX:
>> ffff88042f3952e0
>> [ 1267.018359] RDX: 0000000000001c10 RSI: 0000000000000001 RDI:
>> ffff8800b5e9f008
>> [ 1267.018360] RBP: ffff88042d993480 R08: ffff8800b5e18cc0 R09:
>> 0000000000000000
>> [ 1267.018362] R10: 0000000000000ca0 R11: 0000000000000ca0 R12:
>> ffff8800b5f15e94
>> [ 1267.018363] R13: 0000000000003a98 R14: 00007fffc7b44c40 R15:
>> 0000000000000000
>> [ 1267.018365] FS: 00007feb4cb05700(0000) GS:ffff88043f620000(0000)
>> knlGS:0000000000000000
>> [ 1267.018367] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>> [ 1267.018369] CR2: 0000000000000004 CR3: 00000000b50f2000 CR4:
>> 00000000000407e0
>> [ 1267.018369] Stack:
>> [ 1267.018372] ffffffff811c6334 00000000fffffffc ffff88042d993480
>> 00000000fffffffc
>> [ 1267.018375] ffffffffa0532d73 0000000000000ca0 00000000fffffff4
>> ffff88042562b440
>> [ 1267.018378] ffff88042d853000 0000000000001000 ffffffffa05348f3
>> ffffc9001518b2a8
>> [ 1267.018378] Call Trace:
>> [ 1267.018383] [<ffffffff811c6334>] ? blk_mq_free_request+0x37/0x48
>> [ 1267.018388] [<ffffffffa0532d73>] ?
>> __nvme_submit_admin_cmd+0x7f/0x8a [nvme]
>> [ 1267.018392] [<ffffffffa05348f3>] ? nvme_user_admin_cmd+0x144/0x1b1
>> [nvme]
>> [ 1267.018397] [<ffffffffa053497d>] ? nvme_dev_ioctl+0x1d/0x2b [nvme]
>> [ 1267.018399] [<ffffffff81125916>] ? do_vfs_ioctl+0x3f2/0x43b
>> [ 1267.018402] [<ffffffff8105ca6b>] ? finish_task_switch+0x84/0xc4
>> [ 1267.018406] [<ffffffff81394a8c>] ? __schedule+0x45c/0x4f0
>> [ 1267.018408] [<ffffffff811259ad>] ? SyS_ioctl+0x4e/0x7d
>> [ 1267.018411] [<ffffffff8139c6d2>] ? system_call_fastpath+0x16/0x1b
>> [ 1267.018435] Code: 8b 4a 38 48 39 4e 38 72 12 74 06 b8 01 00 00 00
>> c3 48 8b 4a 60 48 39 4e 60 73 f0 c3 66 66 66 66 90 48 8b 87 e0 00 00
>> 00 48 63 f6 <8b> 14 b0 48 8b 87 f8 00 00 00 48 8b 04 d0 c3 89 ff f0 48
>> 0f ab
>> [ 1267.018438] RIP [<ffffffff811c51b8>] blk_mq_map_queue+0xf/0x1e
>> [ 1267.018439] RSP <ffff8800b5f15db0>
>> [ 1267.018440] CR2: 0000000000000004
>> [ 1267.018443] ---[ end trace 1e244ae5f3ceb23b ]---
>>
Thanks. I'll look into it.
next prev parent reply other threads:[~2014-06-03 13:56 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-02 20:55 [PATCH v5] conversion to blk-mq Matias Bjørling
2014-06-02 20:55 ` Matias Bjørling
2014-06-02 20:55 ` [PATCH v5] NVMe: " Matias Bjørling
2014-06-02 20:55 ` Matias Bjørling
2014-06-02 22:49 ` [PATCH v5] " Keith Busch
2014-06-02 22:49 ` Keith Busch
2014-06-02 23:06 ` Keith Busch
2014-06-02 23:06 ` Keith Busch
2014-06-03 13:56 ` Matias Bjørling [this message]
2014-06-03 13:56 ` Matias Bjørling
2014-06-03 20:12 ` Matias Bjorling
2014-06-03 20:12 ` Matias Bjorling
2014-06-03 22:23 ` Keith Busch
2014-06-03 22:23 ` Keith Busch
2014-06-03 22:27 ` Keith Busch
2014-06-03 22:27 ` Keith Busch
2014-06-04 9:16 ` Matias Bjørling
2014-06-04 9:16 ` Matias Bjørling
2014-06-04 18:28 ` Keith Busch
2014-06-04 18:28 ` Keith Busch
2014-06-04 18:42 ` Jens Axboe
2014-06-04 18:42 ` Jens Axboe
2014-06-04 18:52 ` Keith Busch
2014-06-04 18:52 ` Keith Busch
2014-06-04 18:55 ` Jens Axboe
2014-06-04 18:55 ` Jens Axboe
2014-06-04 20:01 ` Matias Bjorling
2014-06-04 20:01 ` Matias Bjorling
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=538DD41A.7040107@bjorling.me \
--to=m@bjorling.me \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.