[vz-dev] Bug in vzlogger?

[Udo1]

Auf der User-Liste sind jetzt zwei Meldungen aufgelaufen, die von einem 
Absturz von vzlogger berichten:

> Erstmal lief er einige Stunden brav und stabil.
> Leider stirbt dieser nach einer bisher unbestimmten Zeit mit folgenden 
> Meldungen anscheinend mehrere bevor der Prozess endgültig stirbt.
>
> Jan  3 22:26:15 raspberrypi kernel: [  178.023390] ------------[ cut 
> here ]------------
> Jan  3 22:26:15 raspberrypi kernel: [  178.023466] WARNING: CPU: 0 
> PID: 437 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x68/0x88()
> Jan  3 22:26:15 raspberrypi kernel: [  178.023519] sysfs: cannot 
> create duplicate filename '/bus/w1/devices/28-000003c3a47a'
> Jan  3 22:26:15 raspberrypi kernel: [  178.023533] Modules linked in: 
> rtc_ds1307 cfg80211 rfkill ftdi_sio usbserial spi_bcm2708 
> snd_soc_bcm2708_i2s regmap_mmio snd_soc_pcm512x_i2c snd_soc_wm8804_i2c 
> snd_soc_pcm512x snd_soc_tas5713 snd_soc_wm8804 snd_soc_core 
> snd_compress snd_pcm_dmaengine regmap_i2c w1_therm ds2482 wire cn 
> i2c_dev i2c_bcm2708 snd_bcm2835 snd_pcm snd_timer snd fuse ipv6
> Jan  3 22:26:15 raspberrypi kernel: [  178.023685] CPU: 0 PID: 437 
> Comm: w1_bus_master2 Tainted: G        W       4.1.13+ #826
> Jan  3 22:26:15 raspberrypi kernel: [  178.023699] Hardware name: BCM2708
> Jan  3 22:26:15 raspberrypi kernel: [  178.023764] [<c0016d84>] 
> (unwind_backtrace) from [<c0013b44>] (show_stack+0x20/0x24)
> Jan  3 22:26:15 raspberrypi kernel: [  178.023808] [<c0013b44>] 
> (show_stack) from [<c0587d94>] (dump_stack+0x20/0x28)
> Jan  3 22:26:15 raspberrypi kernel: [  178.023851] [<c0587d94>] 
> (dump_stack) from [<c00241d8>] (warn_slowpath_common+0x8c/0xc4)
> Jan  3 22:26:15 raspberrypi kernel: [  178.023884] [<c00241d8>] 
> (warn_slowpath_common) from [<c0024250>] (warn_slowpath_fmt+0x40/0x48)
> Jan  3 22:26:15 raspberrypi kernel: [  178.023918] [<c0024250>] 
> (warn_slowpath_fmt) from [<c01b4128>] (sysfs_warn_dup+0x68/0x88)
> Jan  3 22:26:15 raspberrypi kernel: [  178.023957] [<c01b4128>] 
> (sysfs_warn_dup) from [<c01b44a0>] (sysfs_do_create_link_sd+0xf0/0xf4)
> Jan  3 22:26:15 raspberrypi kernel: [  178.023989] [<c01b44a0>] 
> (sysfs_do_create_link_sd) from [<c01b44d8>] (sysfs_create_link+0x34/0x44)
> Jan  3 22:26:15 raspberrypi kernel: [  178.024026] [<c01b44d8>] 
> (sysfs_create_link) from [<c038e8c0>] (bus_add_device+0x10c/0x194)
> Jan  3 22:26:15 raspberrypi kernel: [  178.024061] [<c038e8c0>] 
> (bus_add_device) from [<c038c990>] (device_add+0x364/0x540)
> Jan  3 22:26:15 raspberrypi kernel: [  178.024090] [<c038c990>] 
> (device_add) from [<c038cb90>] (device_register+0x24/0x28)
> Jan  3 22:26:15 raspberrypi kernel: [  178.024181] [<c038cb90>] 
> (device_register) from [<bf0f3b88>] 
> (w1_attach_slave_device+0x1ec/0x3dc [wire])
> Jan  3 22:26:15 raspberrypi kernel: [  178.024294] [<bf0f3b88>] 
> (w1_attach_slave_device [wire]) from [<bf0f3ee0>] 
> (w1_slave_found+0xc8/0xcc [wire])
> Jan  3 22:26:15 raspberrypi kernel: [  178.024419] [<bf0f3ee0>] 
> (w1_slave_found [wire]) from [<bf0f4720>] (w1_search+0x27c/0x290 [wire])
> Jan  3 22:26:15 raspberrypi kernel: [  178.024689] [<bf0f4720>] 
> (w1_search [wire]) from [<bf0f6c64>] (w1_search_devices+0x54/0x58 [wire])
> Jan  3 22:26:15 raspberrypi kernel: [  178.024876] [<bf0f6c64>] 
> (w1_search_devices [wire]) from [<bf0f47c4>] 
> (w1_search_process_cb+0x90/0x134 [wire])
> Jan  3 22:26:15 raspberrypi kernel: [  178.025000] [<bf0f47c4>] 
> (w1_search_process_cb [wire]) from [<bf0f49d8>] (w1_process+0xf8/0x158 
> [wire])
> Jan  3 22:26:15 raspberrypi kernel: [  178.025077] [<bf0f49d8>] 
> (w1_process [wire]) from [<c0041714>] (kthread+0xe0/0xfc)
> Jan  3 22:26:15 raspberrypi kernel: [  178.025118] [<c0041714>] 
> (kthread) from [<c000f7d8>] (ret_from_fork+0x14/0x3c)
> Jan  3 22:26:15 raspberrypi kernel: [  178.025138] ---[ end trace 
> 56f1a57bf8bab665 ]---

> ich hab den "send_zero" versuchsweise auf true gesetzt. Leider bringt 
> das keine Besserung, der vzlogger verabschiedet sich dann auch 
> irgendwann bei mir. Habt dann wieder rausgenommen.
  Kann es sein, dass sich da ein Bug eingeschlichen hat?

Gruß
Udo