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SubjectRe: 2.6.19-rc1 [ueagle-atm] Oops
Hi,

thanks for the report.

Duncan Sands wrote:
>
> ---------- Forwarded Message ----------
>
> Subject: 2.6.19-rc1 [ueagle-atm] Oops
> Date: Saturday 7 October 2006 03:53
> From: Ernst Herzberg <list-lkml@net4u.de>
> To: linux-kernel@vger.kernel.org
>
> Moin.
>
> Works without problems on 2.6.18.
>
> 2.6.19-rc1:
> (no, it does not work. The message
> "usb 2-2: [ueagle-atm] modem operational" below is a lie;)
>
> usb 2-2: new full speed USB device using uhci_hcd and address 3
> usb 2-2: configuration #1 chosen from 1 choice
> usb 2-2: [ueagle-atm] ADSL device founded vid (0X1110) pid (0X900F) : Eagle I
> usb 2-2: reset full speed USB device using uhci_hcd and address 3
> BUG: unable to handle kernel paging request at virtual address 74617473
> printing eip:
> c018c5ab
> *pde = 00000000
> Oops: 0000 [#1]
> PREEMPT
> Modules linked in: dvb_bt8xx bt878 dvb_pll cx24110 bttv ir_common compat_ioctl32
> btcx_risc tveeprom stv0299 ves1x93 ueagle_atm usbatm atm dvb_ttpci ttpci_eeprom
> saa7146_vv video_buf videodev v4l1_compat v4l2_common saa7146 dvb_core processor
> button ohci_hcd uhci_hcd ehci_hcd usbcore iptable_nat ipt_MASQUERADE ip_nat
> ip_conntrack nfnetlink iptable_filter ip_tables x_tables pppoe pppox ppp_async
> ppp_generic slhc crc_ccitt tun ebtables ppdev parport_pc lp parport evdev psmouse
> CPU: 0
> EIP: 0060:[<c018c5ab>] Not tainted VLI
> EFLAGS: 00010246 (2.6.19-rc1 #1)
> EIP is at sysfs_dirent_exist+0x4b/0x6f
> eax: f99e9573 ebx: f7e41a04 ecx: 00000004 edx: 00000004
> esi: f99e9561 edi: 74617473 ebp: f55593e0 esp: f54b7c68
> ds: 007b es: 007b ss: 0068
> Process khubd (pid: 4078, ti=f54b7000 task=f54bc540 task.ti=f54b7000)
> Stack: 74617473 f99e948a f56fc714 00000000 f55593d4 c018bec6 00008124 00000004
> 00000004 c0117574 0000000f f553ba50 f54b7cc0 f56fc714 f99eae24 00000000
> f99ead4c c018dab0 f56fc714 f553ba50 f5432180 00000000 f54d24e0 f99e800c
> Call Trace:
> [<c018bec6>] sysfs_add_file+0x2e/0x70
> [<c0117574>] nr_processes+0x4/0x6
> [<c018dab0>] sysfs_create_group+0x5b/0xcb
> [<f99e800c>] uea_bind+0x215/0x53c [ueagle_atm]
> [<f99e6e73>] uea_kthread+0x0/0xb98 [ueagle_atm]
> [<f99e7df7>] uea_bind+0x0/0x53c [ueagle_atm]
> [<f99e23b9>] usbatm_usb_probe+0x109/0x7b2 [usbatm]
> [<f99e83a6>] uea_probe+0x73/0x17d [ueagle_atm]
> [<f9996da3>] usb_probe_interface+0x56/0x83 [usbcore]
> [<c0275c4e>] really_probe+0x2e/0xbf
> [<c0275d1e>] driver_probe_device+0x3f/0x93
> [<c02752da>] bus_for_each_drv+0x3e/0x5c
> [<c0275dd9>] device_attach+0x62/0x66
> [<c0275d72>] __device_attach+0x0/0x5
> [<c027527b>] bus_attach_device+0x1e/0x3f
> [<c02745b7>] device_add+0x3c6/0x476
> [<f999551a>] usb_set_configuration+0x394/0x4b1 [usbcore]
> [<f999c509>] generic_probe+0x15c/0x223 [usbcore]
> [<f9996a75>] usb_probe_device+0x33/0x38 [usbcore]
> [<c0275c4e>] really_probe+0x2e/0xbf
> [<c0275d1e>] driver_probe_device+0x3f/0x93
> [<c02752da>] bus_for_each_drv+0x3e/0x5c
> [<c0275dd9>] device_attach+0x62/0x66
> [<c0275d72>] __device_attach+0x0/0x5
> [<c027527b>] bus_attach_device+0x1e/0x3f
> [<c02745b7>] device_add+0x3c6/0x476
> [<f9995182>] usb_cache_string+0x7e/0x82 [usbcore]
> [<f9990dc5>] usb_new_device+0x5d/0xcb [usbcore]
> [<f9991bd5>] hub_thread+0x4d6/0xbc8 [usbcore]
> [<c0360571>] schedule+0x2b1/0x64a
> [<c012b1fe>] autoremove_wake_function+0x0/0x37
> [<f99916ff>] hub_thread+0x0/0xbc8 [usbcore]
> [<c012b0a5>] kthread+0xc9/0xcd
> [<c012afdc>] kthread+0x0/0xcd
> [<c01038eb>] kernel_thread_helper+0x7/0x1c
> =======================
> Code: 16 eb 42 8b 5b 04 83 eb 04 8b 43 04 0f 18 00 90 8d 43 04 39 e8 74 2e 8b 43 14 85 c0 74 e5 89 d8 e8 6b ee ff ff 89 c6 8b 3c 24 ac <ae> 75 08 84 c0 75 f8 31 c0 eb 04 19 c0 0c 01 85 c0 75 c5 b8 ef
> EIP: [<c018c5ab>] sysfs_dirent_exist+0x4b/0x6f SS:ESP 0068:f54b7c68
>
>
I found where it comes from : somebody patch ueagle-atm and broke it :
http://www.kernel.org/git/gitweb.cgi?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=e7ccdfec087f02930c5cdc81143d4a045ae8d361

I have to investigate why this patch is need, but it is nice to see that
the patch wasn't forwarded to the maintainers and I wasn't aware of it...


Matthieu
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