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* [Bug 92524] system hang on "radeon_hwmon_get_pwm1_enable"
@ 2015-10-18 15:14 bugzilla-daemon
  2015-10-18 15:18 ` bugzilla-daemon
                   ` (6 more replies)
  0 siblings, 7 replies; 8+ messages in thread
From: bugzilla-daemon @ 2015-10-18 15:14 UTC (permalink / raw)
  To: dri-devel


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https://bugs.freedesktop.org/show_bug.cgi?id=92524

            Bug ID: 92524
           Summary: system hang on "radeon_hwmon_get_pwm1_enable"
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: dev@illwieckz.net
        QA Contact: dri-devel@lists.freedesktop.org

Hi, every time I do "cat /sys/class/hwmon/hwmon0/pwm1_enable" my system
crashes, and just before it hangs dmesg prints that:

--8<------
[  340.012644] BUG: unable to handle kernel paging request at 0000000000001659
[  340.012717] IP: [<ffffffffc031ab9e>] ci_fan_ctrl_get_mode+0xe/0x30 [radeon]
[  340.012820] PGD 7e1b0b067 PUD 7e19e0067 PMD 0 
[  340.012865] Oops: 0000 [#1] SMP 
[  340.012896] Modules linked in: xt_CHECKSUM iptable_mangle ipt_MASQUERADE
nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4
nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp
bridge stp llc ebtable_filter ebtables ip6table_filter ip6_tables
iptable_filter ip_tables x_tables ctr ccm cmac binfmt_misc rfcomm bnep
fglrx(POE) eeepc_wmi asus_wmi sparse_keymap video arc4 snd_hda_codec_realtek
snd_hda_codec_generic snd_hda_codec_hdmi ath9k snd_usb_audio ath3k
snd_hda_intel ath9k_common btusb hid_logitech_hidpp snd_hda_codec ath9k_hw
btrtl snd_usbmidi_lib snd_hda_core btbcm snd_hwdep btintel kvm_amd ath snd_pcm
bluetooth kvm snd_seq_midi snd_seq_midi_event mac80211 snd_rawmidi snd_seq
input_leds snd_seq_device edac_core serio_raw fam15h_power snd_timer
edac_mce_amd
[  340.013643]  k10temp cfg80211 snd i2c_piix4 soundcore 8250_fintek shpchp
tpm_infineon mac_hid cuse it87 hwmon_vid parport_pc ppdev lp parport autofs4
drbg ansi_cprng dm_crypt raid10 raid456 async_raid6_recov async_memcpy async_pq
async_xor async_tx xor raid6_pq raid0 multipath linear amdgpu hid_logitech_dj
hid_logitech ff_memless raid1 hid_generic usbhid hid amdkfd amd_iommu_v2
mxm_wmi radeon crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel
aes_x86_64 lrw gf128mul glue_helper i2c_algo_bit ablk_helper ttm cryptd
drm_kms_helper r8169 drm mii ahci libahci wmi
[  340.014176] CPU: 5 PID: 5797 Comm: cat Tainted: P           OE  
4.2.3-040203-generic #201510030832
[  340.014248] Hardware name: To be filled by O.E.M. To be filled by
O.E.M./SABERTOOTH 990FX R2.0, BIOS 2501 04/08/2014
[  340.014359] task: ffff8800b4db9b80 ti: ffff8807e1b20000 task.ti:
ffff8807e1b20000
[  340.014418] RIP: 0010:[<ffffffffc031ab9e>]  [<ffffffffc031ab9e>]
ci_fan_ctrl_get_mode+0xe/0x30 [radeon]
[  340.014528] RSP: 0018:ffff8807e1b23d00  EFLAGS: 00010246
[  340.014571] RAX: 0000000000000000 RBX: ffff88081533c000 RCX:
ffff880813b31e10
[  340.014627] RDX: 0000000000000000 RSI: ffffffffc038eea0 RDI:
ffff880813248000
[  340.014683] RBP: ffff8807e1b23d18 R08: ffff880814583818 R09:
0000000000000000
[  340.014739] R10: 0000000000001000 R11: 0000000000000246 R12:
ffffffff81873090
[  340.014796] R13: 0000000000000001 R14: ffff8807e1b23f20 R15:
ffff880814bb6780
[  340.014853] FS:  00007f4ddf962700(0000) GS:ffff88083ed40000(0000)
knlGS:0000000000000000
[  340.014916] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  340.014962] CR2: 0000000000001659 CR3: 00000007beccb000 CR4:
00000000000406e0
[  340.015018] Stack:
[  340.015036]  ffffffffc02aaebd ffff8807e1b23d68 ffffffffc038eea0
ffff8807e1b23d48
[  340.015103]  ffffffff814e0be0 0000000000000000 ffffffff817a7ed6
ffff880814061300
[  340.015170]  ffff880814bb6780 ffff8807e1b23d68 ffffffff812626d2
0000000000000000
[  340.015237] Call Trace:
[  340.015296]  [<ffffffffc02aaebd>] ? radeon_hwmon_get_pwm1_enable+0x2d/0x60
[radeon]
[  340.015361]  [<ffffffff814e0be0>] dev_attr_show+0x20/0x50
[  340.015408]  [<ffffffff817a7ed6>] ? mutex_lock+0x16/0x37
[  340.015454]  [<ffffffff812626d2>] sysfs_kf_seq_show+0xc2/0x1a0
[  340.015532]  [<ffffffff81260f23>] kernfs_seq_show+0x23/0x30
[  340.015580]  [<ffffffff8120c5f5>] seq_read+0xe5/0x350
[  340.015623]  [<ffffffff812616dd>] kernfs_fop_read+0x10d/0x170
[  340.015685]  [<ffffffff811e9418>] __vfs_read+0x28/0xe0
[  340.015732]  [<ffffffff8130b293>] ? security_file_permission+0xa3/0xc0
[  340.015785]  [<ffffffff811e9976>] ? rw_verify_area+0x56/0xe0
[  340.015832]  [<ffffffff811e9a86>] vfs_read+0x86/0x130
[  340.015875]  [<ffffffff811ea8a6>] SyS_read+0x46/0xa0
[  340.015917]  [<ffffffff817a9b72>] entry_SYSCALL_64_fastpath+0x16/0x75
[  340.015968] Code: 01 75 af 41 c6 85 59 16 00 00 00 eb a5 e8 ab c3 ff ff 48
83 c4 08 5b 41 5c 41 5d 5d c3 0f 1f 44 00 00 48 8b 97 30 1e 00 00 31 c0 <80> ba
59 16 00 00 00 74 01 c3 55 be 6c 00 30 c0 48 89 e5 e8 ea 
[  340.016273] RIP  [<ffffffffc031ab9e>] ci_fan_ctrl_get_mode+0xe/0x30 [radeon]
[  340.016364]  RSP <ffff8807e1b23d00>
[  340.016393] CR2: 0000000000001659
[  340.037044] ---[ end trace 94bb46b2f2c467e6 ]---
--8<------

It seems the complete system hangs, not only the display, if I have a terminal
open as root I can't do things like "reboot" at all, even the keyboard is
frozen.

I need to be able to do "cat /sys/class/hwmon/hwmon0/pwm1_enable" since it's
something that pwmconfig does by default (the pwmconfig script from fancontrol,
to use with lm-sensors) and I have to use fancontrol to control some fans to
reduce noise. I probably don't have the need to tune the radeon fan itself but
pwmconfig check for all fans available so its hang my system.

I'm using some 11.1 daily mesa stuff compiled from git by
https://launchpad.net/~oibaf/+archive/ubuntu/graphics-drivers and 4.2.3 kernel
from http://kernel.ubuntu.com/~kernel-ppa/mainline/ on an Ubuntu 15.04, so that
is the versions of some packages that may interest you:

libdrm-radeon1:amd64                2.4.65+git1510161830.304552~gd~v
libdrm-radeon1:i386                 2.4.65+git1510161830.304552~gd~v
libegl1-mesa-drivers:amd64          11.1~git1510171930.006fcc~gd~v
libegl1-mesa-drivers:i386           11.1~git1510171930.006fcc~gd~v
libgl1-mesa-dri:amd64               11.1~git1510171930.006fcc~gd~v
libgl1-mesa-dri:i386                11.1~git1510171930.006fcc~gd~v
libgl1-mesa-glx:amd64               11.1~git1510171930.006fcc~gd~v
libgl1-mesa-glx:i386                11.1~git1510171930.006fcc~gd~v
linux-headers-4.2.3-040203          4.2.3-040203.201510030832
linux-headers-4.2.3-040203-generic  4.2.3-040203.201510030832
linux-image-4.2.3-040203-generic    4.2.3-040203.201510030832
xserver-xorg-video-radeon           1:7.5.99+git1510071932.ce9914~gd~v

uname -srvop says:

Linux 4.2.3-040203-generic #201510030832 SMP Sat Oct 3 12:34:31 UTC 2015 x86_64
GNU/Linux

lspci -nn says that about my graphic card:

01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc.
[AMD/ATI] Hawaii XT [Radeon R9 290X] [1002:67b0] (rev 80)

I hope this bug can be fixed!

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^ permalink raw reply	[flat|nested] 8+ messages in thread
end of thread, other threads:[~2015-10-21  1:21 UTC | newest]

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2015-10-18 15:14 [Bug 92524] system hang on "radeon_hwmon_get_pwm1_enable" bugzilla-daemon
2015-10-18 15:18 ` bugzilla-daemon
2015-10-18 15:18 ` bugzilla-daemon
2015-10-19 13:34 ` bugzilla-daemon
2015-10-19 15:35 ` bugzilla-daemon
2015-10-19 15:37 ` bugzilla-daemon
2015-10-19 19:32 ` bugzilla-daemon
2015-10-21  1:21 ` bugzilla-daemon

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