Re: [Bug #15589] 2.6.34-rc1: Badness at fs/proc/generic.c:316

Rafael J. Wysocki
2010-05-05T00:23:48Z

On Wednesday 05 May 2010, Stefan Lippers-Hollmann wrote:
> Hi
>
> On Wednesday 05 May 2010, Rafael J. Wysocki wrote:
> > This message has been generated automatically as a part of a summary report
> > of recent regressions.
> >
> > The following bug entry is on the current list of known regressions
> > from 2.6.33. Please verify if it still should be listed and let the tracking team
> > know (either way).
> >
> >
> > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15589
> > Subject : 2.6.34-rc1: Badness at fs/proc/generic.c:316
> > Submitter : Christian Kujau <lists-AanptEQQ3TL9uQeqpI+JUg@public.gmane.org>
> > Date : 2010-03-13 23:53 (53 days old)
> > Message-ID : <alpine.DEB.2.01.1003131544340.5493-uKsf7x9sgtqQ/Pez2Lbyp4QuADTiUCJX@public.gmane.org>
> > References : http://marc.info/?l=linux-kernel&m=126852442903680&w=2
>
> Still valid for b2c2_flexcop_pci in 2.6.34-rc6-git2:
>
> [ 8.736930] Linux video capture interface: v2.00
> [ 8.809720] b2c2-flexcop: B2C2 FlexcopII/II(b)/III digital TV receiver chip loaded successfully
> [ 8.818680] flexcop-pci: will use the HW PID filter.
> [ 8.818685] flexcop-pci: card revision 2
> [ 8.818694] b2c2_flexcop_pci 0000:06:01.0: PCI INT A -> GSI 19 (level, low) -> IRQ 19
> [ 8.818794] ------------[ cut here ]------------
> [ 8.818799] WARNING: at /tmp/buildd/linux-sidux-2.6-2.6.34~rc6-git2/debian/build/source_amd64_none/fs/proc/generic.c:317 __xlate_proc_name+0xb5/0xd0()
> [ 8.818801] Hardware name: EP45-DS3
> [ 8.818802] name 'Technisat/B2C2 FlexCop II/IIb/III Digital TV PCI Driver'
> [ 8.818804] Modules linked in: b2c2_flexcop_pci(+) cx88xx b2c2_flexcop rfkill v4l2_common ir_common videodev drm snd_pcm snd_seq rtc_cmos snd_timer rtc_core snd_seq_device rtc_lib v4l1_compat tveeprom v4l2_compat_ioctl32 ir_core dvb_core snd videobuf_dma_sg cx24123 cx24113 videobuf_core s5h1420 tpm_tis led_class btcx_risc tpm i2c_i801 i2c_algo_bit tpm_bios i2c_core evdev intel_agp soundcore snd_page_alloc button processor ext4 mbcache jbd2 crc16 dm_mod sg sr_mod cdrom sd_mod usbhid hid uhci_hcd ahci firewire_ohci libata firewire_core crc_itu_t ehci_hcd r8169 mii scsi_mod thermal usbcore nls_base [last unloaded: scsi_wait_scan]
> [ 8.818832] Pid: 1064, comm: modprobe Not tainted 2.6.34-rc6-sidux-amd64 #1
> [ 8.818833] Call Trace:
> [ 8.818837] [<ffffffff8104ba83>] ? warn_slowpath_common+0x73/0xb0
> [ 8.818839] [<ffffffff8104bb20>] ? warn_slowpath_fmt+0x40/0x50
> [ 8.818842] [<ffffffff8114f545>] ? __xlate_proc_name+0xb5/0xd0
> [ 8.818844] [<ffffffff8114fb2e>] ? __proc_create+0x7e/0x150
> [ 8.818846] [<ffffffff811504e7>] ? proc_mkdir_mode+0x27/0x60
> [ 8.818849] [<ffffffff8109fb55>] ? register_handler_proc+0x115/0x130
> [ 8.818852] [<ffffffff8109d4c1>] ? __setup_irq+0x1d1/0x330
> [ 8.818855] [<ffffffffa03bc160>] ? flexcop_pci_isr+0x0/0x190 [b2c2_flexcop_pci]
> [ 8.818858] [<ffffffff8109d735>] ? request_threaded_irq+0x115/0x1b0
> [ 8.818860] [<ffffffffa03bc495>] ? flexcop_pci_probe+0x1a5/0x330 [b2c2_flexcop_pci]
> [ 8.818864] [<ffffffff811ceef2>] ? local_pci_probe+0x12/0x20
> [ 8.818867] [<ffffffff811d02ca>] ? pci_device_probe+0x10a/0x130
> [ 8.818870] [<ffffffff8125cdda>] ? driver_sysfs_add+0x5a/0x80
> [ 8.818872] [<ffffffff8125cf03>] ? driver_probe_device+0x93/0x190
> [ 8.818874] [<ffffffff8125d093>] ? __driver_attach+0x93/0xa0
> [ 8.818876] [<ffffffff8125d000>] ? __driver_attach+0x0/0xa0
> [ 8.818878] [<ffffffff8125c638>] ? bus_for_each_dev+0x58/0x80
> [ 8.818880] [<ffffffff8125be70>] ? bus_add_driver+0xb0/0x250
> [ 8.818882] [<ffffffff8125d38a>] ? driver_register+0x6a/0x130
> [ 8.818884] [<ffffffff811d056c>] ? __pci_register_driver+0x4c/0xc0
> [ 8.818887] [<ffffffffa03bf000>] ? flexcop_pci_module_init+0x0/0x20 [b2c2_flexcop_pci]
> [ 8.818890] [<ffffffff81002044>] ? do_one_initcall+0x34/0x1a0
> [ 8.818893] [<ffffffff8107d15f>] ? sys_init_module+0xdf/0x260
> [ 8.818896] [<ffffffff81009f42>] ? system_call_fastpath+0x16/0x1b
> [ 8.818897] ---[ end trace 46b5c98323696f39 ]---
> [ 8.822389] DVB: registering new adapter (FlexCop Digital TV device)
> [ 8.823874] b2c2-flexcop: MAC address = 00:d0:d7:0c:83:d6

Thanks for the update.

Rafael