Gabriel C wrote:
> Tejun Heo wrote:
>
>> Satyam Sharma wrote:
>>
>>
>>> On 7/16/07, Gabriel C <[email protected]> wrote:
>>>
>>>
>>>> Here the bisect result:
>>>>
>>>> 3007e997de91ec59af39a3f9c91595b31ae6e08b is first bad commit
>>>> commit 3007e997de91ec59af39a3f9c91595b31ae6e08b
>>>> Author: Tejun Heo <[email protected]>
>>>> Date: Thu Jun 14 04:27:23 2007 +0900
>>>>
>>>> sysfs: use sysfs_mutex to protect the sysfs_dirent tree
>>>>
>>>>
>> Hmmm... Weird. The patch is supposed to make synchronization more
>> strict not less unless I've forgotten locking at some place. Gabriel,
>> can you please choose SLAB and enable CONFIG_DEBUG_SLAB and
>> DEBUG_SLAB_LEAK and see whether kernel complains about something?
>>
>>
>
> Sure , give me some minutes.
>
With DEBUG_SLAB_LEAK set ( and a lot other DEBUG options ) I get on
current HEAD
( abce891a10559343d8ac9f79b46d78afdba63a40 ) an Oops too now , just the
box isn't died.
Config and dmesg can be found there :
http://194.231.229.228/2.6.22-gabce891a/
Here it is :
[ 199.766878] Fixed PHY: Registered new driver
[ 199.768069] BUG: unable to handle kernel paging request at virtual address 6b6b6b87
[ 199.768081] printing eip:
[ 199.768085] c01a0796
[ 199.768089] *pde = 00000000
[ 199.768098] Oops: 0000 [#1]
[ 199.768102] PREEMPT SMP DEBUG_PAGEALLOC
[ 199.768111] Modules linked in: fixed pc87360 hwmon_vid i2c_isa eeprom adm1021 uhci_hcd sr_mod shpchp pci_hotplug ohci_hcd iTCO_wdt iTCO_vendor_support intel_agp i82860_edac i2c_i801 ehci_hcd usbcore edac_mc cdrom agpgart 3c59x mii ext4dev jbd2 capability commoncap loop lp parport_pc parport
[ 199.768182] CPU: 1
[ 199.768184] EIP: 0060:[<c01a0796>] Not tainted VLI
[ 199.768188] EFLAGS: 00210202 (2.6.22-gabce891a #27)
[ 199.768205] EIP is at __sysfs_remove_dir+0x20/0x64
[ 199.768213] eax: 00000000 ebx: de583e04 ecx: e5113728 edx: 6b6b6b6b
[ 199.768222] esi: e5113738 edi: e5113728 ebp: de583e20 esp: de583e04
[ 199.768230] ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068
[ 199.768238] Process modprobe (pid: 2067, ti=de582000 task=d79174c0 task.ti=de582000)
[ 199.768246] Stack: e5113728 00000000 00000000 00000000 d96bcce0 e5113728 00000000 de583e30
[ 199.768271] c01a0810 d96bcce0 d96bcbf8 de583e3c c01db3eb d96bcce0 de583e50 c023e338
[ 199.768298] d96bcbf8 d96bcbf8 e0b3eef0 de583e5c c023e365 d96bcbf0 de583e9c e8c472e8
[ 199.768327] Call Trace:
[ 199.768333] [<c0104f86>] show_trace_log_lvl+0x1a/0x2f
[ 199.768348] [<c0105036>] show_stack_log_lvl+0x9b/0xa3
[ 199.768359] [<c010520c>] show_registers+0x1ce/0x2de
[ 199.768370] [<c010543b>] die+0x11f/0x1f8
[ 199.768380] [<c01137a9>] do_page_fault+0x438/0x507
[ 199.768392] [<c031893a>] error_code+0x72/0x78
[ 199.768405] [<c01a0810>] sysfs_remove_dir+0x2c/0x30
[ 199.768415] [<c01db3eb>] kobject_del+0xf/0x19
[ 199.768429] [<c023e338>] device_del+0x228/0x24a
[ 199.768442] [<c023e365>] device_unregister+0xb/0x15
[ 199.768452] [<e8c472e8>] fixed_mdio_register_device+0x1dc/0x208 [fixed]
[ 199.768467] [<e8c4a01e>] fixed_init+0x1e/0x33 [fixed]
[ 199.768479] [<c013d290>] sys_init_module+0x1589/0x1677
[ 199.768493] [<c0103f16>] sysenter_past_esp+0x5f/0x99
[ 199.768503] =======================
[ 199.768508] Code: e7 fd ff ff 83 c4 10 5b 5e 5d c3 55 89 e5 57 56 53 83 ec 10 89 c7 85 c0 74 4d 8d 5d e4 89 c2 89 d8 e8 1f fb ff ff 8d 77 10 eb 27 <8b> 42 1c 25 ff 00 00 00 74 1a 83 f8 02 74 15 8b 42 0c 89 06 c7
[ 199.768675] EIP: [<c01a0796>] __sysfs_remove_dir+0x20/0x64 SS:ESP 0068:de583e04
Gabriel
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