On 11/27/2017 08:51 AM, Bjorn Helgaas wrote:
FYI. This was reported against drivers/pci, but it doesn't look like
a PCI core issue to me.
Not a PCI issue, it was a change I did. To whom shall I send the patch
for testing?
This change was in linux-next for many months, and I don't have hardware
with
IPMI on PCI.
-corey
----- Forwarded message from bugzilla-dae...@bugzilla.kernel.org -----
Date: Mon, 27 Nov 2017 01:45:48 +0000
From: bugzilla-dae...@bugzilla.kernel.org
To: bugzilla....@gmail.com
Subject: [Bug 197999] New: [ipmi pci] BUG: unable to handle kernel NULL pointer
dereference at (null)
https://bugzilla.kernel.org/show_bug.cgi?id=197999
Bug ID: 197999
Summary: [ipmi pci] BUG: unable to handle kernel NULL pointer
dereference at (null)
Product: Drivers
Version: 2.5
Kernel Version: 4.14.0
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: PCI
Assignee: drivers_...@kernel-bugs.osdl.org
Reporter: yin-jianh...@163.com
Regression: No
'''
[ 17.748379] ipmi device interface
[ 17.800243] hpwdt 0000:01:04.0: HPE Watchdog Timer Driver: NMI decoding
initialized, allow kernel dump: ON (default = 1/ON)
[ 17.802325] hpwdt 0000:01:04.0: HPE Watchdog Timer Driver: 1.4.0, timer
margin: 30 seconds (nowayout=0).
[ 17.962598] intel_rng: FWH not detected
[ 18.235369] sd 2:0:0:0: Attached scsi generic sg0 type 0
[ 18.421459] ACPI Warning: SystemIO range
0x0000000000000928-0x000000000000092F conflicts with OpRegion
0x0000000000000928-0x000000000000092F (\SGPE) (20170831/utaddress-247)
[ 18.424132] ACPI: If an ACPI driver is available for this device, you should
use it instead of the native driver
[ 18.425910] lpc_ich: Resource conflict(s) found affecting gpio_ich
[ 18.511453] Loading iSCSI transport class v2.0-870.
[ 18.746569] IPMI System Interface driver.
[ 18.747299] ipmi_si dmi-ipmi-si.0: ipmi_platform: probing via SMBIOS
[ 18.748825] ipmi_si: SMBIOS: io 0xca2 regsize 1 spacing 1 irq 0
[ 18.755030] leds_ss4200: no LED devices found
[ 18.756008] ipmi_si: Adding SMBIOS-specified kcs state machine
[ 18.758204] ipmi_si IPI0001:00: ipmi_platform: probing via ACPI
[ 18.759473] ipmi_si IPI0001:00: [io 0x0ca2-0x0ca3] regsize 1 spacing 1 irq
0
[ 18.760988] ipmi_si dmi-ipmi-si.0: Removing SMBIOS-specified kcs state
machine in favor of ACPI
[ 18.762651] ipmi_si: Adding ACPI-specified kcs state machine
[ 18.763917] ipmi_platform: probing via SPMI
[ 18.764930] ipmi_si: SPMI: io 0xca2 regsize 2 spacing 2 irq 0
[ 18.766145] (NULL device *): SPMI-specified kcs state machine: duplicate
[ 18.767602] ipmi_si 0000:01:04.6: probing via PCI
[ 18.768708] BUG: unable to handle kernel NULL pointer dereference at
(null)
[ 18.770121] IP: (null)
[ 18.770670] PGD 0 P4D 0
[ 18.771227] Oops: 0010 [#1] SMP
[ 18.771875] Modules linked in: leds_ss4200(-) ipmi_si(+) auth_rpcgss
scsi_transport_iscsi lpc_ich sg hpwdt ipmi_devintf hpilo floppy(+)
ipmi_msghandler shpchp nfs_acl lockd i3000_edac grace sunrpc ip_tables xfs
libcrc32c radeon sd_mod ata_generic pata_acpi i2c_algo_bit drm_kms_helper
syscopyarea sysfillrect sysimgblt fb_sys_fops ttm ata_piix libata tg3 drm
serio_raw ptp i2c_core be2net pps_core dm_mirror dm_region_hash dm_log dm_mod
[ 18.778511] CPU: 0 PID: 567 Comm: systemd-udevd Not tainted 4.14.0 #1
[ 18.779865] Hardware name: HP ProLiant DL320 G5 , BIOS W04 06/10/2008
[ 18.781251] task: ffff880116ce1600 task.stack: ffffc900008bc000
[ 18.782506] RIP: 0010: (null)
[ 18.783285] RSP: 0018:ffffc900008bfac0 EFLAGS: 00010246
[ 18.784414] RAX: 00000000fdbf0000 RBX: ffff880122ab2000 RCX:
0000000000000000
[ 18.785945] RDX: 0000000000000002 RSI: 0000000000000216 RDI:
ffffc900008bfac8
[ 18.787447] RBP: ffffc900008bfac8 R08: 0000000000000002 R09:
ffffc900008bfa5c
[ 18.788997] R10: 0000000000000026 R11: ffffea0004842ac0 R12:
ffff880122ab20a0
[ 18.790531] R13: 0000000000000001 R14: 0000000000000003 R15:
0000000000000001
[ 18.792066] FS: 00007fed315068c0(0000) GS:ffff880127a00000(0000)
knlGS:0000000000000000
[ 18.793784] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 18.795022] CR2: 0000000000000000 CR3: 00000001221c3000 CR4:
00000000000006f0
[ 18.796538] Call Trace:
[ 18.797062] ? ipmi_pci_probe+0x1fa/0x270 [ipmi_si]
[ 18.798109] ? ipmi_pci_probe+0x270/0x270 [ipmi_si]
[ 18.799152] ? local_pci_probe+0x3f/0xa0
[ 18.799944] ? pci_assign_irq+0x27/0x120
[ 18.800776] ? pci_device_probe+0x146/0x1b0
[ 18.801682] ? driver_probe_device+0x2b3/0x4a0
[ 18.802622] ? __driver_attach+0xd6/0xe0
[ 18.803450] ? driver_probe_device+0x4a0/0x4a0
[ 18.804391] ? bus_for_each_dev+0x68/0xb0
[ 18.805203] ? bus_add_driver+0x41/0x260
[ 18.806032] ? driver_register+0x5b/0xd0
[ 18.806813] ? cleanup_ipmi_si+0x80/0x80 [ipmi_si]
[ 18.807826] ? ipmi_si_pci_init+0x2a/0x50 [ipmi_si]
[ 18.808887] ? init_ipmi_si+0x17f/0x1a0 [ipmi_si]
[ 18.809916] ? cleanup_ipmi_si+0x80/0x80 [ipmi_si]
[ 18.810946] ? do_one_initcall+0x4d/0x1a0
[ 18.811795] ? free_unref_page_commit+0x85/0xf0
[ 18.812769] ? _cond_resched+0x15/0x30
[ 18.813578] ? kmem_cache_alloc_trace+0x9c/0x1a0
[ 18.814571] ? do_init_module+0x22/0x220
[ 18.815400] ? do_init_module+0x5a/0x220
[ 18.816247] ? load_module+0x21b2/0x2970
[ 18.817074] ? m_show+0x1c0/0x1c0
[ 18.817775] ? SYSC_finit_module+0x94/0xe0
[ 18.818661] ? entry_SYSCALL_64_fastpath+0x1a/0x7d
[ 18.819690] Code: Bad RIP value.
[ 18.820399] RIP: (null) RSP: ffffc900008bfac0
[ 18.821511] CR2: 0000000000000000
[ 18.822300] ---[ end trace 5427b1c5778ecedd ]---
[ 18.823320] Kernel panic - not syncing: Fatal exception
[ 18.824483] Kernel Offset: disabled
[ 18.825258] ---[ end Kernel panic - not syncing: Fatal exception
'''
