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

Stefan Lippers-Hollmann
2010-04-30T02:44:03Z

Hi

On Friday 30 April 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@nerdbynature.de>
> Date : 2010-03-13 23:53 (38 days old)
> Message-ID : <alpine.DEB.2.01.1003131544340.5493@bogon.housecafe.de>
> References : http://marc.info/?l=linux-kernel&m=126852442903680&w=2

This also continues to be a problem with b2c2-flexcop and 2.6.34-rc5-git10:

[ 10.119807] b2c2-flexcop: B2C2 FlexcopII/II(b)/III digital TV receiver chip loaded successfully
[ 10.129183] flexcop-pci: will use the HW PID filter.
[ 10.129187] flexcop-pci: card revision 2
[ 10.129195] b2c2_flexcop_pci 0000:06:01.0: PCI INT A -> GSI 19 (level, low) -> IRQ 19
[ 10.129239] ------------[ cut here ]------------
[ 10.129244] WARNING: at /tmp/buildd/linux-sidux-2.6-2.6.34~rc5/debian/build/source_amd64_none/fs/proc/generic.c:317 __xlate_proc_name+0xb5/0xd0()
[ 10.129246] Hardware name: EP45-DS3
[ 10.129247] name 'Technisat/B2C2 FlexCop II/IIb/III Digital TV PCI Driver'
[ 10.129248] Modules linked in: b2c2_flexcop_pci(+) ath9k_common b2c2_flexcop v4l1_compat snd_timer radeon(+) dvb_core ar9170usb(+) ath9k_hw snd_seq_device ir_common tveeprom ttm v4l2_compat_ioctl32 snd drm_kms_helper ir_core ath mac80211 soundcore videobuf_dma_sg cx24123 drm i2c_i801 i2c_algo_bit snd_page_alloc videobuf_core cx24113 s5h1420 cfg80211 rfkill evdev i2c_core tpm_tis btcx_risc tpm led_class pcspkr tpm_bios rtc_cmos button rtc_core intel_agp rtc_lib processor ext4 mbcache jbd2 crc16 dm_mod sg sr_mod cdrom sd_mod usbhid hid uhci_hcd firewire_ohci firewire_core ahci r8169 ehci_hcd mii libata crc_itu_t scsi_mod thermal usbcore nls_base [last unloaded: scsi_wait_scan]
[ 10.129279] Pid: 1124, comm: modprobe Not tainted 2.6.34-rc5-sidux-amd64 #1
[ 10.129281] Call Trace:
[ 10.129285] [<ffffffff8104ba83>] ? warn_slowpath_common+0x73/0xb0
[ 10.129287] [<ffffffff8104bb20>] ? warn_slowpath_fmt+0x40/0x50
[ 10.129290] [<ffffffff8114f545>] ? __xlate_proc_name+0xb5/0xd0
[ 10.129292] [<ffffffff8114fb2e>] ? __proc_create+0x7e/0x150
[ 10.129294] [<ffffffff811504e7>] ? proc_mkdir_mode+0x27/0x60
[ 10.129297] [<ffffffff8109fb55>] ? register_handler_proc+0x115/0x130
[ 10.129300] [<ffffffff8109d4c1>] ? __setup_irq+0x1d1/0x330
[ 10.129303] [<ffffffffa011b160>] ? flexcop_pci_isr+0x0/0x190 [b2c2_flexcop_pci]
[ 10.129305] [<ffffffff8109d735>] ? request_threaded_irq+0x115/0x1b0
[ 10.129308] [<ffffffffa011b495>] ? flexcop_pci_probe+0x1a5/0x330 [b2c2_flexcop_pci]
[ 10.129312] [<ffffffff811ceef2>] ? local_pci_probe+0x12/0x20
[ 10.129314] [<ffffffff811d02ca>] ? pci_device_probe+0x10a/0x130
[ 10.129317] [<ffffffff8125cdda>] ? driver_sysfs_add+0x5a/0x80
[ 10.129320] [<ffffffff8125cf03>] ? driver_probe_device+0x93/0x190
[ 10.129322] [<ffffffff8125d093>] ? __driver_attach+0x93/0xa0
[ 10.129324] [<ffffffff8125d000>] ? __driver_attach+0x0/0xa0
[ 10.129326] [<ffffffff8125c638>] ? bus_for_each_dev+0x58/0x80
[ 10.129328] [<ffffffff8125be70>] ? bus_add_driver+0xb0/0x250
[ 10.129330] [<ffffffff8125d38a>] ? driver_register+0x6a/0x130
[ 10.129332] [<ffffffff811d056c>] ? __pci_register_driver+0x4c/0xc0
[ 10.129335] [<ffffffffa012e000>] ? flexcop_pci_module_init+0x0/0x20 [b2c2_flexcop_pci]
[ 10.129338] [<ffffffff81002044>] ? do_one_initcall+0x34/0x1a0
[ 10.129341] [<ffffffff8107d15f>] ? sys_init_module+0xdf/0x260
[ 10.129344] [<ffffffff81009f42>] ? system_call_fastpath+0x16/0x1b
[ 10.129345] ---[ end trace 370a62256537c67a ]---
[ 10.134144] DVB: registering new adapter (FlexCop Digital TV device)
[ 10.135610] b2c2-flexcop: MAC address = 00:d0:d7:0c:83:d6

Regards
Stefan Lippers-Hollmann