Hey Mattia,
since the kernel 3.8.0 (commit:
23caaeea271cfe3176f0e27374d2016bd7583ea8) the sony-laptop module
chrashes for me.
Initially reported to the Arch Linux Bugtracker [1]. Link [2] lists full
module output with enabled debug parameter.
Thanks!
[ 171.492147] ------------[ cut here ]------------
[ 171.492151] WARNING: at fs/sysfs/dir.c:530 sysfs_add_one+0xa5/0xd0()
[ 171.492153] sysfs: cannot create duplicate filename '/devices/platform/sony-laptop/kbd_backlight'
[ 171.492154] Modules linked in: sony_laptop(+) tun fuse joydev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack iptable_filter ip_tables x_tables tpm_infineon arc4 intel_powerclamp coretemp iwldvm crc32_pclmul iTCO_wdt crc32c_intel iTCO_vendor_support ghash_clmulni_intel mac80211 aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd iwlwifi microcode rtsx_pci_ms snd_hda_codec_hdmi memstick cfg80211 rfkill snd_hda_codec_realtek thermal i915 snd_hda_intel button battery intel_agp snd_hda_codec intel_gtt mperf drm_kms_helper snd_hwdep psmouse snd_pcm tpm_tis drm tpm snd_page_alloc snd_timer tpm_bios i2c_i801 snd i2c_algo_bit ac mei_me video serio_raw soundcore evdev lpc_ich mei i2c_core processor pcspkr ext4 crc16 mbcache jbd2 sd_mod rtsx_pci_sdmmc mmc_core ahci libahci libata
[ 171.492192] ehci_pci xhci_hcd ehci_hcd scsi_mod rtsx_pci usbcore usb_common
[ 171.492197] CPU: 0 PID: 643 Comm: modprobe Not tainted 3.10.3-1-ARCH #1
[ 171.492198] Hardware name: Sony Corporation VPCSE1V9E/VAIO, BIOS R2087H4 06/15/2012
[ 171.492200] 0000000000000009 ffff88022cefda20 ffffffff814bd2df ffff88022cefda58
[ 171.492202] ffffffff81055881 00000000ffffffef ffff88022cea52a0 ffff88022cefdb00
[ 171.492204] ffff88022cf50000 00000000000001a4 ffff88022cefdab8 ffffffff810558ec
[ 171.492205] Call Trace:
[ 171.492210] [<ffffffff814bd2df>] dump_stack+0x19/0x1b
[ 171.492213] [<ffffffff81055881>] warn_slowpath_common+0x61/0x80
[ 171.492214] [<ffffffff810558ec>] warn_slowpath_fmt+0x4c/0x50
[ 171.492216] [<ffffffff811fc925>] sysfs_add_one+0xa5/0xd0
[ 171.492219] [<ffffffff811fbaf7>] sysfs_add_file_mode+0x97/0xe0
[ 171.492221] [<ffffffff811fbb6a>] sysfs_create_file+0x2a/0x30
[ 171.492223] [<ffffffff8134ea0d>] device_create_file+0x3d/0xa0
[ 171.492228] [<ffffffffa06c4ea4>] sony_nc_add+0xd54/0x10fc [sony_laptop]
[ 171.492230] [<ffffffff811fd2dc>] ? sysfs_do_create_link_sd+0xcc/0x220
[ 171.492234] [<ffffffff812d6449>] acpi_device_probe+0x4e/0xfe
[ 171.492237] [<ffffffff813535f7>] driver_probe_device+0x87/0x3a0
[ 171.492238] [<ffffffff813539e3>] __driver_attach+0x93/0xa0
[ 171.492240] [<ffffffff81353950>] ? __device_attach+0x40/0x40
[ 171.492242] [<ffffffff813515b3>] bus_for_each_dev+0x63/0xa0
[ 171.492245] [<ffffffff8135306e>] driver_attach+0x1e/0x20
[ 171.492247] [<ffffffff81352c08>] bus_add_driver+0x1e8/0x2a0
[ 171.492249] [<ffffffffa04c3000>] ? 0xffffffffa04c2fff
[ 171.492251] [<ffffffff81354071>] driver_register+0x71/0x150
[ 171.492253] [<ffffffffa04c3000>] ? 0xffffffffa04c2fff
[ 171.492255] [<ffffffff812d69b3>] acpi_bus_register_driver+0x3b/0x43
[ 171.492258] [<ffffffffa04c3059>] sony_laptop_init+0x59/0x8e [sony_laptop]
[ 171.492261] [<ffffffff810020e2>] do_one_initcall+0xe2/0x190
[ 171.492263] [<ffffffff810bc38d>] load_module+0x1b6d/0x2610
[ 171.492265] [<ffffffff8128aeb0>] ? ddebug_proc_write+0xf0/0xf0
[ 171.492268] [<ffffffff81158af2>] ? vmap_page_range_noflush+0x262/0x370
[ 171.492271] [<ffffffff810bced2>] SyS_init_module+0xa2/0xf0
[ 171.492273] [<ffffffff814ca75d>] system_call_fastpath+0x1a/0x1f
[ 171.492274] ---[ end trace 508654f1445b738e ]---
[1] https://bugs.archlinux.org/task/35184
[2] https://bugs.archlinux.org/task/35184?getfile=10828
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