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Linux kernel source tree
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On OPA devices the user_mad recv_handler can receive 32Bit LIDs
(e.g. OPA_PERMISSIVE_LID) and it is okay to lose the upper 16 bits
of the LID as this information is obtained elsewhere. Do not issue
a warning when calling ib_lid_be16() in this case by masking out
the upper 16Bits.
[75667.310846] ------------[ cut here ]------------
[75667.316447] WARNING: CPU: 0 PID: 1718 at ./include/rdma/ib_verbs.h:3799 recv_handler+0x15a/0x170 [ib_umad]
[75667.327640] Modules linked in: ib_ipoib hfi1(E) rdmavt(E) rdma_ucm(E) ib_ucm(E) rdma_cm(E) ib_cm(E) iw_cm(E) ib_umad(E) ib_uverbs(E) ib_core(E) libiscsi scsi_transport_iscsi dm_mirror dm_region_hash dm_log dm_mod dax x86_pkg_temp_thermal intel_powerclamp coretemp kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel mei_me ipmi_si iTCO_wdt iTCO_vendor_support crypto_simd ipmi_devintf pcspkr mei sg i2c_i801 glue_helper lpc_ich shpchp ioatdma mfd_core wmi ipmi_msghandler cryptd acpi_power_meter acpi_pad nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables xfs libcrc32c sd_mod mgag200 drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm drm igb ptp ahci libahci pps_core crc32c_intel libata dca i2c_algo_bit i2c_core [last unloaded: ib_core]
[75667.407704] CPU: 0 PID: 1718 Comm: kworker/0:1H Tainted: G W I E 4.13.0-rc7+ #1
[75667.417310] Hardware name: Intel Corporation S2600WT2/S2600WT2, BIOS SE5C610.86B.01.01.0008.021120151325 02/11/2015
[75667.429555] Workqueue: ib-comp-wq ib_cq_poll_work [ib_core]
[75667.436360] task: ffff88084a718000 task.stack: ffffc9000a424000
[75667.443549] RIP: 0010:recv_handler+0x15a/0x170 [ib_umad]
[75667.450090] RSP: 0018:ffffc9000a427ce8 EFLAGS: 00010286
[75667.456508] RAX: 00000000ffffffff RBX: ffff88085159ce80 RCX: 0000000000000000
[75667.465094] RDX: ffff88085a47b068 RSI: 0000000000000000 RDI: ffff88085159cf00
[75667.473668] RBP: ffffc9000a427d38 R08: 000000000001efc0 R09: ffff88085159ce80
[75667.482228] R10: ffff88085f007480 R11: ffff88084acf20e8 R12: ffff88085a47b020
[75667.490824] R13: ffff881056842e10 R14: ffff881056840200 R15: ffff88104c8d0800
[75667.499390] FS: 0000000000000000(0000) GS:ffff88085f400000(0000) knlGS:0000000000000000
[75667.509028] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[75667.516080] CR2: 00007f9e4b3d9000 CR3: 0000000001c09000 CR4: 00000000001406f0
[75667.524664] Call Trace:
[75667.528044] ? find_mad_agent+0x7c/0x1b0 [ib_core]
[75667.534031] ? ib_mark_mad_done+0x73/0xa0 [ib_core]
[75667.540142] ib_mad_recv_done+0x423/0x9b0 [ib_core]
[75667.546215] __ib_process_cq+0x5d/0xb0 [ib_core]
[75667.552007] ib_cq_poll_work+0x20/0x60 [ib_core]
[75667.557766] process_one_work+0x149/0x360
[75667.562844] worker_thread+0x4d/0x3c0
[75667.567529] kthread+0x109/0x140
[75667.571713] ? rescuer_thread+0x380/0x380
[75667.576775] ? kthread_park+0x60/0x60
[75667.581447] ret_from_fork+0x25/0x30
[75667.586014] Code: 43 4a 0f b6 45 c6 88 43 4b 48 8b 45 b0 48 89 43 4c 48 8b 45 b8 48 89 43 54 8b 45 c0 0f c8 89 43 5c e9 79 ff ff ff e8 16 4e fa e0 <0f> ff e9 42 ff ff ff 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00
[75667.608323] ---[ end trace cf26df27c9597264 ]---
Fixes:
|
||
|---|---|---|
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.