Fixed
Created: Apr 27, 2015
Updated: Dec 3, 2018
Resolved Date: Nov 23, 2015
Found In Version: 6.0.0.16
Fix Version: 6.0.0.27
Severity: Standard
Applicable for: Wind River Linux 6
Component/s: Kernel
Customer has seen this error once:
[Nov 4 11:42:06.330 LOG: Debug] PCI_PIO[00.01.00.00]: sysdir: "/sys/bus/pci/devices/0000:01:00.0/resource0"(43).
[Nov 4 11:42:06.330 LOG: Info] pci_user_base_create: User space base mmaped 0x1e47e000, fd=0xf (bus: 0x1)
[Nov 4 11:42:06.464 LOG: Info] mpcs_pre_init MPCS(0) major rev 0x1104 minor rev 0x11
[Nov 4 11:42:06.584 LOG: Info] mpcs_check_pcie_link_status MPCS(0) PCIe link training took 16ms, status 0x10019321
general protection fault: 0000 [#1] PREEMPT SMP
Modules linked in: uio_pci_hostif uio ngpmb_cpld_core jnpr_ng_pmb i2c_mux_ngpmb i2c_mux i2c_dev dma_mapper fan thermal processor i2c_ismt ramoops reed_solomon
CPU: 1 PID: 703 Comm: ukern Not tainted 3.10.62-ltsi-WR6.0.0.17_standard #1
Hardware name: Juniper Networks Inc. 0C25/0C22, BIOS 09.00.01.00 03/01/2015
task: ffff880272679710 ti: ffff8802728be000 task.ti: ffff8802728be000
RIP: 0010:[<ffffffff8109df18>] [<ffffffff8109df18>] module_put+0x28/0x100
RSP: 0018:ffff8802728bfc38 EFLAGS: 00010213
RAX: ffff880274a9c230 RBX: ffff8802727b97c0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff880272f03d00 RDI: 0000000000000001
RBP: ffff8802728bfc50 R08: 0000000000000000 R09: 0000000000000000
R10: ffff880272fe19a8 R11: ffff880272f03d10 R12: ffff880272d2bea0
R13: 0000000000000000 R14: ffff880272fe19a8 R15: ffff880272e0f120
FS: 0000000000000000(0000) GS:ffff88027fc40000(0000) knlGS:0000000000000000
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000001db7b828 CR3: 0000000272aae000 CR4: 00000000001007e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Stack:
ffff8802727b97c0 ffff880272d2be40 0000000000000000 ffff8802728bfc78
ffffffffa007e510 ffff880272f03d00 0000000000000010 ffff88027400cc00
ffff8802728bfcc0 ffffffff81162ba4 ffff880272fe19a8 ffff880272f03d10
Call Trace:
[<ffffffffa007e510>] uio_release+0x40/0x60 [uio]
[<ffffffff81162ba4>] __fput+0xa4/0x230
[<ffffffff81162dee>] ____fput+0xe/0x10
[<ffffffff810600b4>] task_work_run+0xc4/0xe0
[<ffffffff81043efa>] do_exit+0x2aa/0xa80
[<ffffffff8104fec3>] ? __sigqueue_free.part.14+0x33/0x40
[<ffffffff8104474f>] do_group_exit+0x3f/0xa0
[<ffffffff81052d11>] get_signal_to_deliver+0x251/0x640
[<ffffffff810023d8>] do_signal+0x48/0xa30
[<ffffffff8186695c>] ? __schedule+0x3dc/0xa00
[<ffffffff8108d2ae>] ? getrawmonotonic+0x2e/0xb0
[<ffffffff81002e2f>] do_notify_resume+0x6f/0x80
[<ffffffff81868cb7>] retint_signal+0x41/0x7a
Code: 00 00 00 0f 1f 44 00 00 55 48 85 ff 48 89 e5 41 55 41 54 49 89 fc 53 74 4e bf 01 00 00 00 e8 50 e0 7c 00 49 8b 84 24 48 02 00 00 <65> 48 ff 40 08 8b 05 65 fc e2 00 4c 8b 6d 08 85 c0 75 30 41 83
RIP [<ffffffff8109df18>] module_put+0x28/0x100
RSP <ffff8802728bfc38>
---[ end trace e67d2b768d4ba374 ]---
Fixing recursive fault but reboot is needed!
BUG: scheduling while atomic: ukern/703/0x00000002
Modules linked in: uio_pci_hostif uio ngpmb_cpld_core jnpr_ng_pmb i2c_mux_ngpmb i2c_mux i2c_dev dma_mapper fan thermal processor i2c_ismt ramoops reed_solomon
CPU: 1 PID: 703 Comm: ukern Tainted: G D 3.10.62-ltsi-WR6.0.0.17_standard #1
Hardware name: Juniper Networks Inc. 0C25/0C22, BIOS 09.00.01.00 03/01/2015
00000000000002bf ffff8802728bf960 ffffffff81861b66 ffff8802728bf970
ffffffff8185d82f ffff8802728bfa70 ffffffff81866c40 0000000000009000
ffff8802728bffd8 ffff8802728bffd8 ffff880272679710 0000000000000010
Call Trace:
[<ffffffff81861b66>] dump_stack+0x19/0x1b
[<ffffffff8185d82f>] __schedule_bug+0x48/0x56
[<ffffffff81866c40>] __schedule+0x6c0/0xa00
[<ffffffff8185d1e5>] ? printk+0x67/0x69
[<ffffffff81866fa9>] schedule+0x29/0x70
[<ffffffff810446bc>] do_exit+0xa6c/0xa80
[<ffffffff81041c11>] ? kmsg_dump+0xc1/0xd0
[<ffffffff818698f1>] oops_end+0x91/0xd0
[<ffffffff810060cb>] die+0x4b/0x70
[<ffffffff818693f2>] do_general_protection+0xc2/0x150
[<ffffffff81868df2>] general_protection+0x22/0x30
[<ffffffff8109df18>] ? module_put+0x28/0x100
[<ffffffff8109df10>] ? module_put+0x20/0x100
[<ffffffffa007e510>] uio_release+0x40/0x60 [uio]
[<ffffffff81162ba4>] __fput+0xa4/0x230
[<ffffffff81162dee>] ____fput+0xe/0x10
[<ffffffff810600b4>] task_work_run+0xc4/0xe0
[<ffffffff81043efa>] do_exit+0x2aa/0xa80
[<ffffffff8104fec3>] ? __sigqueue_free.part.14+0x33/0x40
[<ffffffff8104474f>] do_group_exit+0x3f/0xa0
[<ffffffff81052d11>] get_signal_to_deliver+0x251/0x640
[<ffffffff810023d8>] do_signal+0x48/0xa30
[<ffffffff8186695c>] ? __schedule+0x3dc/0xa00
[<ffffffff8108d2ae>] ? getrawmonotonic+0x2e/0xb0
[<ffffffff81002e2f>] do_notify_resume+0x6f/0x80
[<ffffffff81868cb7>] retint_signal+0x41/0x7a
[New Thread 0x1e4bdb40 (LWP 759)]
[[Nov 4 11:42:06.831 LOG: Err] cassis_asic_read32:4175 pzarb.zone_active[].ppe failed, magic 0x00000000, off 0x00031400, addr 0x1a031400.
[N[Nov 4 11:42:06.890 LOG: Err] cassis_asic_read32:4175 pzarb.zone_active[].ppe failed, magic 0x00000000, off 0x00031400, addr 0x1a031400.
[Nov 4 11:42:06.791 LOG: Debug] user_pcie_write_file: write: "/sys/bus/pci/devices/0000:02:05.0/pci_bus/0000:27/rescan"(56) with "1"(1)
[Nov 4 11:42:06.791 LOG: Info] user_pcie_dev_scan: 0-th rescan_fp: "/sys/bus/pci/devices/0000:02:05.0/pci_bus/0000:27/rescan" succeeded: 0
[Nov 4 11:42:06.791 LOG: Debug] user_pcie_dev_scan: SUCCEEDED: 0.
