* 3.9.0: WARNING: at drivers/base/core.c:575
[not found] <148688218.8139723.1367911491024.JavaMail.root@redhat.com>
@ 2013-05-07 7:25 ` CAI Qian
2013-05-07 7:54 ` CAI Qian
` (2 more replies)
0 siblings, 3 replies; 13+ messages in thread
From: CAI Qian @ 2013-05-07 7:25 UTC (permalink / raw)
To: LKML
Never saw any of those messages were floating in any of the RC testing, but
now happened in 3.9 GA on Power 7 systems.
[ 0.329753] EEH: devices created
[ 0.340203] atomic64 test passed
[ 0.340407] NET: Registered protocol family 16
[ 0.340457] EEH: No capable adapters found
[ 0.340609] IBM eBus Device Driver
[ 0.358825] Write permission without 'store'
[ 0.358852] ------------[ cut here ]------------
[ 0.358859] WARNING: at drivers/base/core.c:575
[ 0.358866] Modules linked in:
[ 0.358877] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.9.0+ #1
[ 0.358887] task: c0000003f8bc0000 ti: c0000003f8c00000 task.ti: c0000003f8c00000
[ 0.358897] NIP: c0000000004a7f44 LR: c0000000004a7f40 CTR: 0000000001766760
[ 0.358906] REGS: c0000003f8c03780 TRAP: 0700 Not tainted (3.9.0+)
[ 0.358914] MSR: 8000000000029032 <SF,EE,ME,IR,DR,RI> CR: 28139d24 XER: 00000001
[ 0.358939] SOFTE: 1
[ 0.358944] CFAR: c00000000074427c
[ 0.358950]
GPR00: c0000000004a7f40 c0000003f8c03a00 c000000001117e50 0000000000000020
GPR04: 0000000000000000 0000000000000000 00000000160c9615 0000000000000000
GPR08: c000000001064af0 0000000000000000 0000000000000000 0000000000003fef
GPR12: 0000000028139d22 c000000007f00000 c00000000000bb30 0000000000000000
GPR16: 0000000000000000 0000000000000000 c000000000ff1c78 0000000000000001
GPR20: 0000000000000000 0000000000000000 0000000000000000 c00000000117eb08
GPR24: 00000000000000a6 c000000000af0028 0000000000000000 c000000000ff21a0
GPR28: 0000000000000002 c000000001500030 c0000000011b8200 c000000001500030
[ 0.359070] NIP [c0000000004a7f44] .device_create_file+0xa4/0xe0
[ 0.359080] LR [c0000000004a7f40] .device_create_file+0xa0/0xe0
[ 0.359088] Call Trace:
[ 0.359095] [c0000003f8c03a00] [c0000000004a7f40] .device_create_file+0xa0/0xe0 (unreliable)
[ 0.359112] [c0000003f8c03a90] [c00000000074daf8] .register_cpu_online+0x21c/0x284
[ 0.359126] [c0000003f8c03b30] [c000000000a78308] .topology_init+0x130/0x200
[ 0.359138] [c0000003f8c03c10] [c00000000000b4d4] .do_one_initcall+0x144/0x1f0
[ 0.359150] [c0000003f8c03cd0] [c000000000a746a8] .kernel_init_freeable+0x23c/0x32c
[ 0.359163] [c0000003f8c03db0] [c00000000000bb4c] .kernel_init+0x1c/0x130
[ 0.359175] [c0000003f8c03e30] [c00000000000a164] .ret_from_kernel_thread+0x64/0x80
[ 0.359184] Instruction dump:
[ 0.359190] 3863e610 4829c2f1 60000000 0fe00000 e8810070 4bffffb0 60000000 3c62ff8c
[ 0.359211] f8810070 3863e5e8 4829c2cd 60000000 <0fe00000> e8810070 a1240008 4bffff80
[ 0.359241] ---[ end trace c949de754c984735 ]---
CAI Qian
^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: 3.9.0: WARNING: at drivers/base/core.c:575
2013-05-07 7:25 ` 3.9.0: WARNING: at drivers/base/core.c:575 CAI Qian
@ 2013-05-07 7:54 ` CAI Qian
2013-05-07 8:22 ` Srivatsa S. Bhat
2013-05-09 10:29 ` Dave Young
2013-05-09 10:33 ` Srivatsa S. Bhat
2 siblings, 1 reply; 13+ messages in thread
From: CAI Qian @ 2013-05-07 7:54 UTC (permalink / raw)
To: LKML
OK, also saw it on x64,
[ 18.305143] WARNING: at drivers/base/core.c:575 device_create_file+0x82/0xa0()
[ 18.313208] Write permission without 'store'
[ 18.317985] Modules linked in: i5000_edac(F+) iTCO_vendor_support(F) coretemp(F) edac_core(F) kvm_intel(F) lpc_ich(F) kvm(F) i5k_amb(F) ptp(F) i2c_i801(F) shpchp(F) mfd_core(F) pps_core(F) microcode(F) pcspkr(F) xfs(F) libcrc32c(F) sr_mod(F) sd_mod(F) crc_t10dif(F) cdrom(F) ata_generic(F) pata_acpi(F) mgag200(F) syscopyarea(F) sysfillrect(F) sysimgblt(F) ata_piix(F) i2c_algo_bit(F) drm_kms_helper(F) ttm(F) drm(F) libata(F) i2c_core(F) dm_mirror(F) dm_region_hash(F) dm_log(F) dm_mod(F)
[ 18.366804] CPU: 0 PID: 355 Comm: systemd-udevd Tainted: GF 3.9.0+ #1
[ 18.375065] Hardware name: NEC Express800/120Rg-1 [N8100-1242]/MS-9172-02S, BIOS 1.0.5S42 10/05/2006
[ 18.385360] 0000000000000009 ffff880069917938 ffffffff815f105e ffff880069917978
[ 18.393800] ffffffff8104e4f0 ffff8800663099c8 ffffffffa03304a0 ffff8800661cea40
[ 18.402136] Rquest for unknown module key 'Magrathea: Glacier signing key: cf3c1f5ed7be276234c447dbf4a4a5a83a249db4' err -11
[ 18.402241] 0000000000000000 ffff8800661cea40 0000000000000000 ffff8800699179d8
[ 18.402242] Call Trace:
[ 18.402247] [<ffffffff815f105e> dump_stack+0x19/0x1b
[ 18.402251] [<ffffffff8104e4f0>] warn_slowpath_common+0x70/0xa0
[ 18.402252] [<ffffffff8104e5d6>] warn_slowpath_fmt+0x46/0x50
[ 18.402254] [<ffffffff813c92d2>] device_create_file+0x82/0xa0
[ 18.402260] [<fffffffa032a948>] edac_create_sysfs_mci_device+0x3b8/0x550 [edac_core]
[ 18.402263] [<ffffffffa0328574>] edac_mc_add_mc+0xf4/0x260 [edac_core]
[ 18.402265] [<ffffffffa0304179>] i5000_probe1+0x859/0xb20 [i5000_edac]
[ 18.402267] [<ffffffffa0304471>] i5000_init_one+0x31/0x40 [i5000_edac]
[ 18.402271] [<ffffffff8131425b>] local_pci_probe+0x4b/0x80
[ 18.402272] [<ffffffff81314571>] pci_device_probe+0x111/0x120
[ 18.402275] [<ffffffff813cd58b>] driver_probe_device+0x8b/0x390
[ 18.402276] [<ffffffff813cd93b>] __driver_attach+0xab/0xb0
[ 18.402278] [<ffffffff813cd890>] ? driver_probe_device+0x390/0x390
[ .402279] [<ffffffff813cb50d>] bus_for_each_dev+0x5d/0xa0
[ 18.402281] [<ffffffff813ccece>] driver_attach+0x1e/0x20
[ 18.402282] [<ffffffff813cc9fe>] bus_add_driver+0x11e/0x2a0
[ 18.402284] [<ffffffffa002f000>] ? 0xffffffffa002efff
[ 18.402285] [<ffffffffa002f000>] ? 0xffffffffa002efff
[ 18.402286] [<ffffffff813ce007>] driver_register+0x77/0x170
[ 18.402288] [<ffffffffa002f000>] ? 0xffffffffa002efff
[ 18.402289] [<ffffffffa002f000>] ? 0xffffffffa002efff
[ 18.402 [<ffffffff813134fc>] __pci_register_driver+0x4c/0x50
[ 18.402292] [<ffffffffa002f031>] i5000_init+0x31/0x1000 [i5000_edac]
[ 18.402295] [<ffffffff810002ea>] do_one_initcall+0xea/0x1a0
[ 18.402298] [<ffffffff810b4464>] le+0x11e4/0x1b00
[ 18.402300] [<ffffffff81303f10>] ? ddebug_proc_open+0xc0/0xc0
[ 18.402303] [<ffffffff815f7af2>] ? page_fault+0x22/0x30
[ 18.402305] [<ffffffff810b4e57>] SyS_init_module+0xd7/0x120
[ 18.402307] [<ffffffff815ff942>] sysall_fastpath+0x16/0x1b
[ 18.402308] ---[ end trace 3eb6a6f51fb8cafb ]---
[ 18.402406] ------------[ cut here ]------------
----- Original Message -----
> From: "CAI Qian" <caiqian@redhat.com>
> To: "LKML" <linux-kernel@vger.kernel.org>
> Sent: Tuesday, May 7, 2013 3:25:58 PM
> Subject: 3.9.0: WARNING: at drivers/base/core.c:575
>
> Never saw any of those messages were floating in any of the RC testing, but
> now happened in 3.9 GA on Power 7 systems.
>
> [ 0.329753] EEH: devices created
> [ 0.340203] atomic64 test passed
> [ 0.340407] NET: Registered protocol family 16
> [ 0.340457] EEH: No capable adapters found
> [ 0.340609] IBM eBus Device Driver
> [ 0.358825] Write permission without 'store'
> [ 0.358852] ------------[ cut here ]------------
> [ 0.358859] WARNING: at drivers/base/core.c:575
> [ 0.358866] Modules linked in:
> [ 0.358877] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.9.0+ #1
> [ 0.358887] task: c0000003f8bc0000 ti: c0000003f8c00000 task.ti:
> c0000003f8c00000
> [ 0.358897] NIP: c0000000004a7f44 LR: c0000000004a7f40 CTR:
> 0000000001766760
> [ 0.358906] REGS: c0000003f8c03780 TRAP: 0700 Not tainted (3.9.0+)
> [ 0.358914] MSR: 8000000000029032 <SF,EE,ME,IR,DR,RI> CR: 28139d24 XER:
> 00000001
> [ 0.358939] SOFTE: 1
> [ 0.358944] CFAR: c00000000074427c
> [ 0.358950]
> GPR00: c0000000004a7f40 c0000003f8c03a00 c000000001117e50 0000000000000020
> GPR04: 0000000000000000 0000000000000000 00000000160c9615 0000000000000000
> GPR08: c000000001064af0 0000000000000000 0000000000000000 0000000000003fef
> GPR12: 0000000028139d22 c000000007f00000 c00000000000bb30 0000000000000000
> GPR16: 0000000000000000 0000000000000000 c000000000ff1c78 0000000000000001
> GPR20: 0000000000000000 0000000000000000 0000000000000000 c00000000117eb08
> GPR24: 00000000000000a6 c000000000af0028 0000000000000000 c000000000ff21a0
> GPR28: 0000000000000002 c000000001500030 c0000000011b8200 c000000001500030
> [ 0.359070] NIP [c0000000004a7f44] .device_create_file+0xa4/0xe0
> [ 0.359080] LR [c0000000004a7f40] .device_create_file+0xa0/0xe0
> [ 0.359088] Call Trace:
> [ 0.359095] [c0000003f8c03a00] [c0000000004a7f40]
> .device_create_file+0xa0/0xe0 (unreliable)
> [ 0.359112] [c0000003f8c03a90] [c00000000074daf8]
> .register_cpu_online+0x21c/0x284
> [ 0.359126] [c0000003f8c03b30] [c000000000a78308]
> .topology_init+0x130/0x200
> [ 0.359138] [c0000003f8c03c10] [c00000000000b4d4]
> .do_one_initcall+0x144/0x1f0
> [ 0.359150] [c0000003f8c03cd0] [c000000000a746a8]
> .kernel_init_freeable+0x23c/0x32c
> [ 0.359163] [c0000003f8c03db0] [c00000000000bb4c] .kernel_init+0x1c/0x130
> [ 0.359175] [c0000003f8c03e30] [c00000000000a164]
> .ret_from_kernel_thread+0x64/0x80
> [ 0.359184] Instruction dump:
> [ 0.359190] 3863e610 4829c2f1 60000000 0fe00000 e8810070 4bffffb0 60000000
> 3c62ff8c
> [ 0.359211] f8810070 3863e5e8 4829c2cd 60000000 <0fe00000> e8810070
> a1240008 4bffff80
> [ 0.359241] ---[ end trace c949de754c984735 ]---
>
> CAI Qian
^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: 3.9.0: WARNING: at drivers/base/core.c:575
2013-05-07 7:54 ` CAI Qian
@ 2013-05-07 8:22 ` Srivatsa S. Bhat
2013-05-07 13:28 ` Borislav Petkov
0 siblings, 1 reply; 13+ messages in thread
From: Srivatsa S. Bhat @ 2013-05-07 8:22 UTC (permalink / raw)
To: CAI Qian; +Cc: LKML, mchehab, Greg KH, Borislav Petkov, balbi
On 05/07/2013 01:24 PM, CAI Qian wrote:
> OK, also saw it on x64,
>
> [ 18.305143] WARNING: at drivers/base/core.c:575 device_create_file+0x82/0xa0()
> [ 18.313208] Write permission without 'store'
> [ 18.317985] Modules linked in: i5000_edac(F+) iTCO_vendor_support(F) coretemp(F) edac_core(F) kvm_intel(F) lpc_ich(F) kvm(F) i5k_amb(F) ptp(F) i2c_i801(F) shpchp(F) mfd_core(F) pps_core(F) microcode(F) pcspkr(F) xfs(F) libcrc32c(F) sr_mod(F) sd_mod(F) crc_t10dif(F) cdrom(F) ata_generic(F) pata_acpi(F) mgag200(F) syscopyarea(F) sysfillrect(F) sysimgblt(F) ata_piix(F) i2c_algo_bit(F) drm_kms_helper(F) ttm(F) drm(F) libata(F) i2c_core(F) dm_mirror(F) dm_region_hash(F) dm_log(F) dm_mod(F)
> [ 18.366804] CPU: 0 PID: 355 Comm: systemd-udevd Tainted: GF 3.9.0+ #1
> [ 18.375065] Hardware name: NEC Express800/120Rg-1 [N8100-1242]/MS-9172-02S, BIOS 1.0.5S42 10/05/2006
> [ 18.385360] 0000000000000009 ffff880069917938 ffffffff815f105e ffff880069917978
> [ 18.393800] ffffffff8104e4f0 ffff8800663099c8 ffffffffa03304a0 ffff8800661cea40
> [ 18.402136] Rquest for unknown module key 'Magrathea: Glacier signing key: cf3c1f5ed7be276234c447dbf4a4a5a83a249db4' err -11
> [ 18.402241] 0000000000000000 ffff8800661cea40 0000000000000000 ffff8800699179d8
> [ 18.402242] Call Trace:
> [ 18.402247] [<ffffffff815f105e> dump_stack+0x19/0x1b
> [ 18.402251] [<ffffffff8104e4f0>] warn_slowpath_common+0x70/0xa0
> [ 18.402252] [<ffffffff8104e5d6>] warn_slowpath_fmt+0x46/0x50
> [ 18.402254] [<ffffffff813c92d2>] device_create_file+0x82/0xa0
> [ 18.402260] [<fffffffa032a948>] edac_create_sysfs_mci_device+0x3b8/0x550 [edac_core]
> [ 18.402263] [<ffffffffa0328574>] edac_mc_add_mc+0xf4/0x260 [edac_core]
> [ 18.402265] [<ffffffffa0304179>] i5000_probe1+0x859/0xb20 [i5000_edac]
> [ 18.402267] [<ffffffffa0304471>] i5000_init_one+0x31/0x40 [i5000_edac]
> [ 18.402271] [<ffffffff8131425b>] local_pci_probe+0x4b/0x80
> [ 18.402272] [<ffffffff81314571>] pci_device_probe+0x111/0x120
> [ 18.402275] [<ffffffff813cd58b>] driver_probe_device+0x8b/0x390
> [ 18.402276] [<ffffffff813cd93b>] __driver_attach+0xab/0xb0
> [ 18.402278] [<ffffffff813cd890>] ? driver_probe_device+0x390/0x390
> [ .402279] [<ffffffff813cb50d>] bus_for_each_dev+0x5d/0xa0
> [ 18.402281] [<ffffffff813ccece>] driver_attach+0x1e/0x20
> [ 18.402282] [<ffffffff813cc9fe>] bus_add_driver+0x11e/0x2a0
> [ 18.402284] [<ffffffffa002f000>] ? 0xffffffffa002efff
> [ 18.402285] [<ffffffffa002f000>] ? 0xffffffffa002efff
> [ 18.402286] [<ffffffff813ce007>] driver_register+0x77/0x170
> [ 18.402288] [<ffffffffa002f000>] ? 0xffffffffa002efff
> [ 18.402289] [<ffffffffa002f000>] ? 0xffffffffa002efff
> [ 18.402 [<ffffffff813134fc>] __pci_register_driver+0x4c/0x50
> [ 18.402292] [<ffffffffa002f031>] i5000_init+0x31/0x1000 [i5000_edac]
> [ 18.402295] [<ffffffff810002ea>] do_one_initcall+0xea/0x1a0
> [ 18.402298] [<ffffffff810b4464>] le+0x11e4/0x1b00
> [ 18.402300] [<ffffffff81303f10>] ? ddebug_proc_open+0xc0/0xc0
> [ 18.402303] [<ffffffff815f7af2>] ? page_fault+0x22/0x30
> [ 18.402305] [<ffffffff810b4e57>] SyS_init_module+0xd7/0x120
> [ 18.402307] [<ffffffff815ff942>] sysall_fastpath+0x16/0x1b
> [ 18.402308] ---[ end trace 3eb6a6f51fb8cafb ]---
> [ 18.402406] ------------[ cut here ]------------
>
For the x86-64 case, does the patch posted here fix the issue?
http://marc.info/?l=linux-edac&m=136731542432210&w=2
Regards,
Srivatsa S. Bhat
^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: 3.9.0: WARNING: at drivers/base/core.c:575
2013-05-07 8:22 ` Srivatsa S. Bhat
@ 2013-05-07 13:28 ` Borislav Petkov
2013-05-09 8:01 ` CAI Qian
0 siblings, 1 reply; 13+ messages in thread
From: Borislav Petkov @ 2013-05-07 13:28 UTC (permalink / raw)
To: CAI Qian; +Cc: Srivatsa S. Bhat, LKML, mchehab, Greg KH, balbi
On Tue, May 07, 2013 at 01:52:54PM +0530, Srivatsa S. Bhat wrote:
> For the x86-64 case, does the patch posted here fix the issue?
> http://marc.info/?l=linux-edac&m=136731542432210&w=2
CAI, can I have your Tested-by before I pick it up?
Thanks.
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
--
^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: 3.9.0: WARNING: at drivers/base/core.c:575
2013-05-07 13:28 ` Borislav Petkov
@ 2013-05-09 8:01 ` CAI Qian
2013-05-09 10:20 ` Borislav Petkov
0 siblings, 1 reply; 13+ messages in thread
From: CAI Qian @ 2013-05-09 8:01 UTC (permalink / raw)
To: Borislav Petkov; +Cc: Srivatsa S. Bhat, LKML, mchehab, Greg KH, balbi
----- Original Message -----
> From: "Borislav Petkov" <bp@alien8.de>
> To: "CAI Qian" <caiqian@redhat.com>
> Cc: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>, "LKML" <linux-kernel@vger.kernel.org>, mchehab@redhat.com,
> "Greg KH" <gregkh@linuxfoundation.org>, balbi@ti.com
> Sent: Tuesday, May 7, 2013 9:28:29 PM
> Subject: Re: 3.9.0: WARNING: at drivers/base/core.c:575
>
> On Tue, May 07, 2013 at 01:52:54PM +0530, Srivatsa S. Bhat wrote:
> > For the x86-64 case, does the patch posted here fix the issue?
> > http://marc.info/?l=linux-edac&m=136731542432210&w=2
>
> CAI, can I have your Tested-by before I pick it up?
Sure, and the system is allocated to someone else at the moment, so
I'll test it out as soon as possible.
CAI Qian
>
> Thanks.
>
> --
> Regards/Gruss,
> Boris.
>
> Sent from a fat crate under my desk. Formatting is fine.
> --
>
^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: 3.9.0: WARNING: at drivers/base/core.c:575
2013-05-09 8:01 ` CAI Qian
@ 2013-05-09 10:20 ` Borislav Petkov
0 siblings, 0 replies; 13+ messages in thread
From: Borislav Petkov @ 2013-05-09 10:20 UTC (permalink / raw)
To: CAI Qian; +Cc: Srivatsa S. Bhat, LKML, mchehab, Greg KH, balbi
On Thu, May 09, 2013 at 04:01:11AM -0400, CAI Qian wrote:
> Sure, and the system is allocated to someone else at the moment, so
> I'll test it out as soon as possible.
Nevermind, I was able to trigger it here too so I took it.
Thanks.
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
--
^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: 3.9.0: WARNING: at drivers/base/core.c:575
2013-05-07 7:25 ` 3.9.0: WARNING: at drivers/base/core.c:575 CAI Qian
2013-05-07 7:54 ` CAI Qian
@ 2013-05-09 10:29 ` Dave Young
2013-05-09 14:53 ` Felipe Balbi
2013-05-09 10:33 ` Srivatsa S. Bhat
2 siblings, 1 reply; 13+ messages in thread
From: Dave Young @ 2013-05-09 10:29 UTC (permalink / raw)
To: CAI Qian; +Cc: LKML
On Tue, May 07, 2013 at 03:25:58AM -0400, CAI Qian wrote:
> Never saw any of those messages were floating in any of the RC testing, but
> now happened in 3.9 GA on Power 7 systems.
>
> [ 0.329753] EEH: devices created
> [ 0.340203] atomic64 test passed
> [ 0.340407] NET: Registered protocol family 16
> [ 0.340457] EEH: No capable adapters found
> [ 0.340609] IBM eBus Device Driver
> [ 0.358825] Write permission without 'store'
> [ 0.358852] ------------[ cut here ]------------
> [ 0.358859] WARNING: at drivers/base/core.c:575
> [ 0.358866] Modules linked in:
> [ 0.358877] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.9.0+ #1
> [ 0.358887] task: c0000003f8bc0000 ti: c0000003f8c00000 task.ti: c0000003f8c00000
> [ 0.358897] NIP: c0000000004a7f44 LR: c0000000004a7f40 CTR: 0000000001766760
> [ 0.358906] REGS: c0000003f8c03780 TRAP: 0700 Not tainted (3.9.0+)
> [ 0.358914] MSR: 8000000000029032 <SF,EE,ME,IR,DR,RI> CR: 28139d24 XER: 00000001
> [ 0.358939] SOFTE: 1
> [ 0.358944] CFAR: c00000000074427c
> [ 0.358950]
> GPR00: c0000000004a7f40 c0000003f8c03a00 c000000001117e50 0000000000000020
> GPR04: 0000000000000000 0000000000000000 00000000160c9615 0000000000000000
> GPR08: c000000001064af0 0000000000000000 0000000000000000 0000000000003fef
> GPR12: 0000000028139d22 c000000007f00000 c00000000000bb30 0000000000000000
> GPR16: 0000000000000000 0000000000000000 c000000000ff1c78 0000000000000001
> GPR20: 0000000000000000 0000000000000000 0000000000000000 c00000000117eb08
> GPR24: 00000000000000a6 c000000000af0028 0000000000000000 c000000000ff21a0
> GPR28: 0000000000000002 c000000001500030 c0000000011b8200 c000000001500030
> [ 0.359070] NIP [c0000000004a7f44] .device_create_file+0xa4/0xe0
> [ 0.359080] LR [c0000000004a7f40] .device_create_file+0xa0/0xe0
> [ 0.359088] Call Trace:
> [ 0.359095] [c0000003f8c03a00] [c0000000004a7f40] .device_create_file+0xa0/0xe0 (unreliable)
> [ 0.359112] [c0000003f8c03a90] [c00000000074daf8] .register_cpu_online+0x21c/0x284
> [ 0.359126] [c0000003f8c03b30] [c000000000a78308] .topology_init+0x130/0x200
> [ 0.359138] [c0000003f8c03c10] [c00000000000b4d4] .do_one_initcall+0x144/0x1f0
> [ 0.359150] [c0000003f8c03cd0] [c000000000a746a8] .kernel_init_freeable+0x23c/0x32c
> [ 0.359163] [c0000003f8c03db0] [c00000000000bb4c] .kernel_init+0x1c/0x130
> [ 0.359175] [c0000003f8c03e30] [c00000000000a164] .ret_from_kernel_thread+0x64/0x80
> [ 0.359184] Instruction dump:
> [ 0.359190] 3863e610 4829c2f1 60000000 0fe00000 e8810070 4bffffb0 60000000 3c62ff8c
> [ 0.359211] f8810070 3863e5e8 4829c2cd 60000000 <0fe00000> e8810070 a1240008 4bffff80
> [ 0.359241] ---[ end trace c949de754c984735 ]---
>
Hi, Caiqian
Could you try below debug patch to print the attr name?
---
print the sysfs attribute file name when we warn about bogus permissions
Make it obvious to see what attribute is using bogus permissions.
Signed-off-by: Dave Young <dyoung@redhat.com>
---
drivers/base/core.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- linux-2.6.orig/drivers/base/core.c
+++ linux-2.6/drivers/base/core.c
@@ -572,9 +572,11 @@ int device_create_file(struct device *de
if (dev) {
WARN(((attr->attr.mode & S_IWUGO) && !attr->store),
- "Write permission without 'store'\n");
+ "Attribute "%s": write permission without 'store'\n",
+ attr->attr.name);
WARN(((attr->attr.mode & S_IRUGO) && !attr->show),
- "Read permission without 'show'\n");
+ "Attribute "%s": Read permission without 'show'\n",
+ attr->attr.name);
error = sysfs_create_file(&dev->kobj, &attr->attr);
}
^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: 3.9.0: WARNING: at drivers/base/core.c:575
2013-05-07 7:25 ` 3.9.0: WARNING: at drivers/base/core.c:575 CAI Qian
2013-05-07 7:54 ` CAI Qian
2013-05-09 10:29 ` Dave Young
@ 2013-05-09 10:33 ` Srivatsa S. Bhat
2013-05-09 10:45 ` Benjamin Herrenschmidt
2 siblings, 1 reply; 13+ messages in thread
From: Srivatsa S. Bhat @ 2013-05-09 10:33 UTC (permalink / raw)
To: CAI Qian
Cc: LKML, Borislav Petkov, Greg KH, balbi, Benjamin Herrenschmidt, dyoung
On 05/07/2013 12:55 PM, CAI Qian wrote:
> Never saw any of those messages were floating in any of the RC testing, but
> now happened in 3.9 GA on Power 7 systems.
>
Can you check if the patch posted here fixes it?
http://marc.info/?l=linux-kernel&m=136791823608013&w=2
Regards,
Srivatsa S. Bhat
> [ 0.329753] EEH: devices created
> [ 0.340203] atomic64 test passed
> [ 0.340407] NET: Registered protocol family 16
> [ 0.340457] EEH: No capable adapters found
> [ 0.340609] IBM eBus Device Driver
> [ 0.358825] Write permission without 'store'
> [ 0.358852] ------------[ cut here ]------------
> [ 0.358859] WARNING: at drivers/base/core.c:575
> [ 0.358866] Modules linked in:
> [ 0.358877] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.9.0+ #1
> [ 0.358887] task: c0000003f8bc0000 ti: c0000003f8c00000 task.ti: c0000003f8c00000
> [ 0.358897] NIP: c0000000004a7f44 LR: c0000000004a7f40 CTR: 0000000001766760
> [ 0.358906] REGS: c0000003f8c03780 TRAP: 0700 Not tainted (3.9.0+)
> [ 0.358914] MSR: 8000000000029032 <SF,EE,ME,IR,DR,RI> CR: 28139d24 XER: 00000001
> [ 0.358939] SOFTE: 1
> [ 0.358944] CFAR: c00000000074427c
> [ 0.358950]
> GPR00: c0000000004a7f40 c0000003f8c03a00 c000000001117e50 0000000000000020
> GPR04: 0000000000000000 0000000000000000 00000000160c9615 0000000000000000
> GPR08: c000000001064af0 0000000000000000 0000000000000000 0000000000003fef
> GPR12: 0000000028139d22 c000000007f00000 c00000000000bb30 0000000000000000
> GPR16: 0000000000000000 0000000000000000 c000000000ff1c78 0000000000000001
> GPR20: 0000000000000000 0000000000000000 0000000000000000 c00000000117eb08
> GPR24: 00000000000000a6 c000000000af0028 0000000000000000 c000000000ff21a0
> GPR28: 0000000000000002 c000000001500030 c0000000011b8200 c000000001500030
> [ 0.359070] NIP [c0000000004a7f44] .device_create_file+0xa4/0xe0
> [ 0.359080] LR [c0000000004a7f40] .device_create_file+0xa0/0xe0
> [ 0.359088] Call Trace:
> [ 0.359095] [c0000003f8c03a00] [c0000000004a7f40] .device_create_file+0xa0/0xe0 (unreliable)
> [ 0.359112] [c0000003f8c03a90] [c00000000074daf8] .register_cpu_online+0x21c/0x284
> [ 0.359126] [c0000003f8c03b30] [c000000000a78308] .topology_init+0x130/0x200
> [ 0.359138] [c0000003f8c03c10] [c00000000000b4d4] .do_one_initcall+0x144/0x1f0
> [ 0.359150] [c0000003f8c03cd0] [c000000000a746a8] .kernel_init_freeable+0x23c/0x32c
> [ 0.359163] [c0000003f8c03db0] [c00000000000bb4c] .kernel_init+0x1c/0x130
> [ 0.359175] [c0000003f8c03e30] [c00000000000a164] .ret_from_kernel_thread+0x64/0x80
> [ 0.359184] Instruction dump:
> [ 0.359190] 3863e610 4829c2f1 60000000 0fe00000 e8810070 4bffffb0 60000000 3c62ff8c
> [ 0.359211] f8810070 3863e5e8 4829c2cd 60000000 <0fe00000> e8810070 a1240008 4bffff80
> [ 0.359241] ---[ end trace c949de754c984735 ]---
>
^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: 3.9.0: WARNING: at drivers/base/core.c:575
2013-05-09 10:33 ` Srivatsa S. Bhat
@ 2013-05-09 10:45 ` Benjamin Herrenschmidt
2013-05-09 11:45 ` Srivatsa S. Bhat
0 siblings, 1 reply; 13+ messages in thread
From: Benjamin Herrenschmidt @ 2013-05-09 10:45 UTC (permalink / raw)
To: Srivatsa S. Bhat; +Cc: CAI Qian, LKML, Borislav Petkov, Greg KH, balbi, dyoung
On Thu, 2013-05-09 at 16:03 +0530, Srivatsa S. Bhat wrote:
> Can you check if the patch posted here fixes it?
>
> http://marc.info/?l=linux-kernel&m=136791823608013&w=2
I believe I've already merged a patch for that unless I did something
wrong ...
Cheers,
Ben.
^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: 3.9.0: WARNING: at drivers/base/core.c:575
2013-05-09 10:45 ` Benjamin Herrenschmidt
@ 2013-05-09 11:45 ` Srivatsa S. Bhat
0 siblings, 0 replies; 13+ messages in thread
From: Srivatsa S. Bhat @ 2013-05-09 11:45 UTC (permalink / raw)
To: Benjamin Herrenschmidt
Cc: CAI Qian, LKML, Borislav Petkov, Greg KH, balbi, dyoung
On 05/09/2013 04:15 PM, Benjamin Herrenschmidt wrote:
> On Thu, 2013-05-09 at 16:03 +0530, Srivatsa S. Bhat wrote:
>> Can you check if the patch posted here fixes it?
>>
>> http://marc.info/?l=linux-kernel&m=136791823608013&w=2
>
> I believe I've already merged a patch for that unless I did something
> wrong ...
>
Sorry, I hadn't checked your -next branch. Sorry for the noise!
Regards,
Srivatsa S. Bhat
^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: 3.9.0: WARNING: at drivers/base/core.c:575
2013-05-09 10:29 ` Dave Young
@ 2013-05-09 14:53 ` Felipe Balbi
2013-05-10 1:51 ` Dave Young
0 siblings, 1 reply; 13+ messages in thread
From: Felipe Balbi @ 2013-05-09 14:53 UTC (permalink / raw)
To: Dave Young; +Cc: CAI Qian, LKML
[-- Attachment #1: Type: text/plain, Size: 3711 bytes --]
On Thu, May 09, 2013 at 06:29:51PM +0800, Dave Young wrote:
> On Tue, May 07, 2013 at 03:25:58AM -0400, CAI Qian wrote:
> > Never saw any of those messages were floating in any of the RC testing, but
> > now happened in 3.9 GA on Power 7 systems.
> >
> > [ 0.329753] EEH: devices created
> > [ 0.340203] atomic64 test passed
> > [ 0.340407] NET: Registered protocol family 16
> > [ 0.340457] EEH: No capable adapters found
> > [ 0.340609] IBM eBus Device Driver
> > [ 0.358825] Write permission without 'store'
> > [ 0.358852] ------------[ cut here ]------------
> > [ 0.358859] WARNING: at drivers/base/core.c:575
> > [ 0.358866] Modules linked in:
> > [ 0.358877] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.9.0+ #1
> > [ 0.358887] task: c0000003f8bc0000 ti: c0000003f8c00000 task.ti: c0000003f8c00000
> > [ 0.358897] NIP: c0000000004a7f44 LR: c0000000004a7f40 CTR: 0000000001766760
> > [ 0.358906] REGS: c0000003f8c03780 TRAP: 0700 Not tainted (3.9.0+)
> > [ 0.358914] MSR: 8000000000029032 <SF,EE,ME,IR,DR,RI> CR: 28139d24 XER: 00000001
> > [ 0.358939] SOFTE: 1
> > [ 0.358944] CFAR: c00000000074427c
> > [ 0.358950]
> > GPR00: c0000000004a7f40 c0000003f8c03a00 c000000001117e50 0000000000000020
> > GPR04: 0000000000000000 0000000000000000 00000000160c9615 0000000000000000
> > GPR08: c000000001064af0 0000000000000000 0000000000000000 0000000000003fef
> > GPR12: 0000000028139d22 c000000007f00000 c00000000000bb30 0000000000000000
> > GPR16: 0000000000000000 0000000000000000 c000000000ff1c78 0000000000000001
> > GPR20: 0000000000000000 0000000000000000 0000000000000000 c00000000117eb08
> > GPR24: 00000000000000a6 c000000000af0028 0000000000000000 c000000000ff21a0
> > GPR28: 0000000000000002 c000000001500030 c0000000011b8200 c000000001500030
> > [ 0.359070] NIP [c0000000004a7f44] .device_create_file+0xa4/0xe0
> > [ 0.359080] LR [c0000000004a7f40] .device_create_file+0xa0/0xe0
> > [ 0.359088] Call Trace:
> > [ 0.359095] [c0000003f8c03a00] [c0000000004a7f40] .device_create_file+0xa0/0xe0 (unreliable)
> > [ 0.359112] [c0000003f8c03a90] [c00000000074daf8] .register_cpu_online+0x21c/0x284
> > [ 0.359126] [c0000003f8c03b30] [c000000000a78308] .topology_init+0x130/0x200
> > [ 0.359138] [c0000003f8c03c10] [c00000000000b4d4] .do_one_initcall+0x144/0x1f0
> > [ 0.359150] [c0000003f8c03cd0] [c000000000a746a8] .kernel_init_freeable+0x23c/0x32c
> > [ 0.359163] [c0000003f8c03db0] [c00000000000bb4c] .kernel_init+0x1c/0x130
> > [ 0.359175] [c0000003f8c03e30] [c00000000000a164] .ret_from_kernel_thread+0x64/0x80
> > [ 0.359184] Instruction dump:
> > [ 0.359190] 3863e610 4829c2f1 60000000 0fe00000 e8810070 4bffffb0 60000000 3c62ff8c
> > [ 0.359211] f8810070 3863e5e8 4829c2cd 60000000 <0fe00000> e8810070 a1240008 4bffff80
> > [ 0.359241] ---[ end trace c949de754c984735 ]---
> >
> Hi, Caiqian
>
> Could you try below debug patch to print the attr name?
>
> ---
> print the sysfs attribute file name when we warn about bogus permissions
>
> Make it obvious to see what attribute is using bogus permissions.
>
> Signed-off-by: Dave Young <dyoung@redhat.com>
> ---
> drivers/base/core.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> --- linux-2.6.orig/drivers/base/core.c
> +++ linux-2.6/drivers/base/core.c
> @@ -572,9 +572,11 @@ int device_create_file(struct device *de
>
> if (dev) {
> WARN(((attr->attr.mode & S_IWUGO) && !attr->store),
> - "Write permission without 'store'\n");
> + "Attribute "%s": write permission without 'store'\n",
sure this even builds ?
--
balbi
[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 836 bytes --]
^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: 3.9.0: WARNING: at drivers/base/core.c:575
2013-05-09 14:53 ` Felipe Balbi
@ 2013-05-10 1:51 ` Dave Young
2013-05-14 12:49 ` Felipe Balbi
0 siblings, 1 reply; 13+ messages in thread
From: Dave Young @ 2013-05-10 1:51 UTC (permalink / raw)
To: Felipe Balbi; +Cc: CAI Qian, LKML
On Thu, May 09, 2013 at 05:53:08PM +0300, Felipe Balbi wrote:
> On Thu, May 09, 2013 at 06:29:51PM +0800, Dave Young wrote:
> > On Tue, May 07, 2013 at 03:25:58AM -0400, CAI Qian wrote:
> > > Never saw any of those messages were floating in any of the RC testing, but
> > > now happened in 3.9 GA on Power 7 systems.
> > >
> > > [ 0.329753] EEH: devices created
> > > [ 0.340203] atomic64 test passed
> > > [ 0.340407] NET: Registered protocol family 16
> > > [ 0.340457] EEH: No capable adapters found
> > > [ 0.340609] IBM eBus Device Driver
> > > [ 0.358825] Write permission without 'store'
> > > [ 0.358852] ------------[ cut here ]------------
> > > [ 0.358859] WARNING: at drivers/base/core.c:575
> > > [ 0.358866] Modules linked in:
> > > [ 0.358877] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.9.0+ #1
> > > [ 0.358887] task: c0000003f8bc0000 ti: c0000003f8c00000 task.ti: c0000003f8c00000
> > > [ 0.358897] NIP: c0000000004a7f44 LR: c0000000004a7f40 CTR: 0000000001766760
> > > [ 0.358906] REGS: c0000003f8c03780 TRAP: 0700 Not tainted (3.9.0+)
> > > [ 0.358914] MSR: 8000000000029032 <SF,EE,ME,IR,DR,RI> CR: 28139d24 XER: 00000001
> > > [ 0.358939] SOFTE: 1
> > > [ 0.358944] CFAR: c00000000074427c
> > > [ 0.358950]
> > > GPR00: c0000000004a7f40 c0000003f8c03a00 c000000001117e50 0000000000000020
> > > GPR04: 0000000000000000 0000000000000000 00000000160c9615 0000000000000000
> > > GPR08: c000000001064af0 0000000000000000 0000000000000000 0000000000003fef
> > > GPR12: 0000000028139d22 c000000007f00000 c00000000000bb30 0000000000000000
> > > GPR16: 0000000000000000 0000000000000000 c000000000ff1c78 0000000000000001
> > > GPR20: 0000000000000000 0000000000000000 0000000000000000 c00000000117eb08
> > > GPR24: 00000000000000a6 c000000000af0028 0000000000000000 c000000000ff21a0
> > > GPR28: 0000000000000002 c000000001500030 c0000000011b8200 c000000001500030
> > > [ 0.359070] NIP [c0000000004a7f44] .device_create_file+0xa4/0xe0
> > > [ 0.359080] LR [c0000000004a7f40] .device_create_file+0xa0/0xe0
> > > [ 0.359088] Call Trace:
> > > [ 0.359095] [c0000003f8c03a00] [c0000000004a7f40] .device_create_file+0xa0/0xe0 (unreliable)
> > > [ 0.359112] [c0000003f8c03a90] [c00000000074daf8] .register_cpu_online+0x21c/0x284
> > > [ 0.359126] [c0000003f8c03b30] [c000000000a78308] .topology_init+0x130/0x200
> > > [ 0.359138] [c0000003f8c03c10] [c00000000000b4d4] .do_one_initcall+0x144/0x1f0
> > > [ 0.359150] [c0000003f8c03cd0] [c000000000a746a8] .kernel_init_freeable+0x23c/0x32c
> > > [ 0.359163] [c0000003f8c03db0] [c00000000000bb4c] .kernel_init+0x1c/0x130
> > > [ 0.359175] [c0000003f8c03e30] [c00000000000a164] .ret_from_kernel_thread+0x64/0x80
> > > [ 0.359184] Instruction dump:
> > > [ 0.359190] 3863e610 4829c2f1 60000000 0fe00000 e8810070 4bffffb0 60000000 3c62ff8c
> > > [ 0.359211] f8810070 3863e5e8 4829c2cd 60000000 <0fe00000> e8810070 a1240008 4bffff80
> > > [ 0.359241] ---[ end trace c949de754c984735 ]---
> > >
> > Hi, Caiqian
> >
> > Could you try below debug patch to print the attr name?
> >
> > ---
> > print the sysfs attribute file name when we warn about bogus permissions
> >
> > Make it obvious to see what attribute is using bogus permissions.
> >
> > Signed-off-by: Dave Young <dyoung@redhat.com>
> > ---
> > drivers/base/core.c | 6 ++++--
> > 1 file changed, 4 insertions(+), 2 deletions(-)
> >
> > --- linux-2.6.orig/drivers/base/core.c
> > +++ linux-2.6/drivers/base/core.c
> > @@ -572,9 +572,11 @@ int device_create_file(struct device *de
> >
> > if (dev) {
> > WARN(((attr->attr.mode & S_IWUGO) && !attr->store),
> > - "Write permission without 'store'\n");
> > + "Attribute "%s": write permission without 'store'\n",
>
> sure this even builds ?
>
Hi, Felipe
Oops, here is the fix:
---
print the sysfs attribute file name when we warn about bogus permissions
Make it obvious to see what attribute is using bogus permissions.
[v1->v2] build fix
Signed-off-by: Dave Young <dyoung@redhat.com>
---
drivers/base/core.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- linux-2.6.orig/drivers/base/core.c
+++ linux-2.6/drivers/base/core.c
@@ -572,9 +572,11 @@ int device_create_file(struct device *de
if (dev) {
WARN(((attr->attr.mode & S_IWUGO) && !attr->store),
- "Write permission without 'store'\n");
+ "Attribute %s: write permission without 'store'\n",
+ attr->attr.name);
WARN(((attr->attr.mode & S_IRUGO) && !attr->show),
- "Read permission without 'show'\n");
+ "Attribute %s: Read permission without 'show'\n",
+ attr->attr.name);
error = sysfs_create_file(&dev->kobj, &attr->attr);
}
^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: 3.9.0: WARNING: at drivers/base/core.c:575
2013-05-10 1:51 ` Dave Young
@ 2013-05-14 12:49 ` Felipe Balbi
0 siblings, 0 replies; 13+ messages in thread
From: Felipe Balbi @ 2013-05-14 12:49 UTC (permalink / raw)
To: Dave Young; +Cc: Felipe Balbi, CAI Qian, LKML
[-- Attachment #1: Type: text/plain, Size: 5327 bytes --]
Hi,
On Fri, May 10, 2013 at 09:51:00AM +0800, Dave Young wrote:
> On Thu, May 09, 2013 at 05:53:08PM +0300, Felipe Balbi wrote:
> > On Thu, May 09, 2013 at 06:29:51PM +0800, Dave Young wrote:
> > > On Tue, May 07, 2013 at 03:25:58AM -0400, CAI Qian wrote:
> > > > Never saw any of those messages were floating in any of the RC testing, but
> > > > now happened in 3.9 GA on Power 7 systems.
> > > >
> > > > [ 0.329753] EEH: devices created
> > > > [ 0.340203] atomic64 test passed
> > > > [ 0.340407] NET: Registered protocol family 16
> > > > [ 0.340457] EEH: No capable adapters found
> > > > [ 0.340609] IBM eBus Device Driver
> > > > [ 0.358825] Write permission without 'store'
> > > > [ 0.358852] ------------[ cut here ]------------
> > > > [ 0.358859] WARNING: at drivers/base/core.c:575
> > > > [ 0.358866] Modules linked in:
> > > > [ 0.358877] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.9.0+ #1
> > > > [ 0.358887] task: c0000003f8bc0000 ti: c0000003f8c00000 task.ti: c0000003f8c00000
> > > > [ 0.358897] NIP: c0000000004a7f44 LR: c0000000004a7f40 CTR: 0000000001766760
> > > > [ 0.358906] REGS: c0000003f8c03780 TRAP: 0700 Not tainted (3.9.0+)
> > > > [ 0.358914] MSR: 8000000000029032 <SF,EE,ME,IR,DR,RI> CR: 28139d24 XER: 00000001
> > > > [ 0.358939] SOFTE: 1
> > > > [ 0.358944] CFAR: c00000000074427c
> > > > [ 0.358950]
> > > > GPR00: c0000000004a7f40 c0000003f8c03a00 c000000001117e50 0000000000000020
> > > > GPR04: 0000000000000000 0000000000000000 00000000160c9615 0000000000000000
> > > > GPR08: c000000001064af0 0000000000000000 0000000000000000 0000000000003fef
> > > > GPR12: 0000000028139d22 c000000007f00000 c00000000000bb30 0000000000000000
> > > > GPR16: 0000000000000000 0000000000000000 c000000000ff1c78 0000000000000001
> > > > GPR20: 0000000000000000 0000000000000000 0000000000000000 c00000000117eb08
> > > > GPR24: 00000000000000a6 c000000000af0028 0000000000000000 c000000000ff21a0
> > > > GPR28: 0000000000000002 c000000001500030 c0000000011b8200 c000000001500030
> > > > [ 0.359070] NIP [c0000000004a7f44] .device_create_file+0xa4/0xe0
> > > > [ 0.359080] LR [c0000000004a7f40] .device_create_file+0xa0/0xe0
> > > > [ 0.359088] Call Trace:
> > > > [ 0.359095] [c0000003f8c03a00] [c0000000004a7f40] .device_create_file+0xa0/0xe0 (unreliable)
> > > > [ 0.359112] [c0000003f8c03a90] [c00000000074daf8] .register_cpu_online+0x21c/0x284
> > > > [ 0.359126] [c0000003f8c03b30] [c000000000a78308] .topology_init+0x130/0x200
> > > > [ 0.359138] [c0000003f8c03c10] [c00000000000b4d4] .do_one_initcall+0x144/0x1f0
> > > > [ 0.359150] [c0000003f8c03cd0] [c000000000a746a8] .kernel_init_freeable+0x23c/0x32c
> > > > [ 0.359163] [c0000003f8c03db0] [c00000000000bb4c] .kernel_init+0x1c/0x130
> > > > [ 0.359175] [c0000003f8c03e30] [c00000000000a164] .ret_from_kernel_thread+0x64/0x80
> > > > [ 0.359184] Instruction dump:
> > > > [ 0.359190] 3863e610 4829c2f1 60000000 0fe00000 e8810070 4bffffb0 60000000 3c62ff8c
> > > > [ 0.359211] f8810070 3863e5e8 4829c2cd 60000000 <0fe00000> e8810070 a1240008 4bffff80
> > > > [ 0.359241] ---[ end trace c949de754c984735 ]---
> > > >
> > > Hi, Caiqian
> > >
> > > Could you try below debug patch to print the attr name?
> > >
> > > ---
> > > print the sysfs attribute file name when we warn about bogus permissions
> > >
> > > Make it obvious to see what attribute is using bogus permissions.
> > >
> > > Signed-off-by: Dave Young <dyoung@redhat.com>
> > > ---
> > > drivers/base/core.c | 6 ++++--
> > > 1 file changed, 4 insertions(+), 2 deletions(-)
> > >
> > > --- linux-2.6.orig/drivers/base/core.c
> > > +++ linux-2.6/drivers/base/core.c
> > > @@ -572,9 +572,11 @@ int device_create_file(struct device *de
> > >
> > > if (dev) {
> > > WARN(((attr->attr.mode & S_IWUGO) && !attr->store),
> > > - "Write permission without 'store'\n");
> > > + "Attribute "%s": write permission without 'store'\n",
> >
> > sure this even builds ?
> >
>
> Hi, Felipe
>
> Oops, here is the fix:
> ---
>
> print the sysfs attribute file name when we warn about bogus permissions
>
> Make it obvious to see what attribute is using bogus permissions.
>
> [v1->v2] build fix
>
> Signed-off-by: Dave Young <dyoung@redhat.com>
looks alright to me:
Acked-by: Felipe Balbi <balbi@ti.com>
But you need to resend as a proper patch so Greg can apply. Also, the
v1->v2 note shoudln't be in the commit log area.
cheers
> ---
> drivers/base/core.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> --- linux-2.6.orig/drivers/base/core.c
> +++ linux-2.6/drivers/base/core.c
> @@ -572,9 +572,11 @@ int device_create_file(struct device *de
>
> if (dev) {
> WARN(((attr->attr.mode & S_IWUGO) && !attr->store),
> - "Write permission without 'store'\n");
> + "Attribute %s: write permission without 'store'\n",
> + attr->attr.name);
> WARN(((attr->attr.mode & S_IRUGO) && !attr->show),
> - "Read permission without 'show'\n");
> + "Attribute %s: Read permission without 'show'\n",
> + attr->attr.name);
> error = sysfs_create_file(&dev->kobj, &attr->attr);
> }
>
>
--
balbi
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^ permalink raw reply [flat|nested] 13+ messages in thread
end of thread, other threads:[~2013-05-14 12:50 UTC | newest]
Thread overview: 13+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
[not found] <148688218.8139723.1367911491024.JavaMail.root@redhat.com>
2013-05-07 7:25 ` 3.9.0: WARNING: at drivers/base/core.c:575 CAI Qian
2013-05-07 7:54 ` CAI Qian
2013-05-07 8:22 ` Srivatsa S. Bhat
2013-05-07 13:28 ` Borislav Petkov
2013-05-09 8:01 ` CAI Qian
2013-05-09 10:20 ` Borislav Petkov
2013-05-09 10:29 ` Dave Young
2013-05-09 14:53 ` Felipe Balbi
2013-05-10 1:51 ` Dave Young
2013-05-14 12:49 ` Felipe Balbi
2013-05-09 10:33 ` Srivatsa S. Bhat
2013-05-09 10:45 ` Benjamin Herrenschmidt
2013-05-09 11:45 ` Srivatsa S. Bhat
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