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* [Bug 104608] [r600, RV635] Removing radeon module results in BUG: unable to handle kernel NULL pointer dereference at 0000000000000258
@ 2018-01-12 19:00 bugzilla-daemon
  2018-01-12 19:05 ` bugzilla-daemon
                   ` (5 more replies)
  0 siblings, 6 replies; 7+ messages in thread
From: bugzilla-daemon @ 2018-01-12 19:00 UTC (permalink / raw)
  To: dri-devel


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https://bugs.freedesktop.org/show_bug.cgi?id=104608

            Bug ID: 104608
           Summary: [r600, RV635] Removing radeon module results in BUG:
                    unable to handle kernel NULL pointer dereference at
                    0000000000000258
           Product: DRI
           Version: unspecified
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: DRM/Radeon
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: vedran@miletic.net

(Reported to Fedora: https://bugzilla.redhat.com/show_bug.cgi?id=1534012)

Description of problem:
Removing radeon module using modprobe -r results in BUG: unable to handle
kernel NULL pointer dereference at 0000000000000258

Version-Release number of selected component (if applicable):
4.14.13-300.fc27.x86_64

How reproducible:
Didn't try.

Steps to Reproduce:
1. sudo modprobe -r radeon
2.
3.

Actual results:
[115942.917095] BUG: unable to handle kernel NULL pointer dereference at
0000000000000258                              
[115942.917144] IP: mutex_lock+0x1d/0x40                   
[115942.917174] PGD 0 P4D 0                                
[115942.917207] Oops: 0002 [#1] SMP PTI                    
[115942.917238] Modules linked in: tun ip6t_rpfilter ip6t_REJECT nf_reject_ipv6
xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc
ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle
ip6table_raw ip6table_security iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4
nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw iptable_security
ebtable_filter ebtables ip6table_filter ip6_tables snd_hda_codec_realtek
snd_hda_codec_generic sunrpc snd_hda_codec_hdmi ppdev snd_hda_intel iTCO_wdt
iTCO_vendor_support snd_hda_codec snd_hda_core coretemp snd_hwdep snd_pcm
i2c_i801 snd_timer snd parport_pc lpc_ich soundcore parport asus_atk0110 shpchp
acpi_cpufreq xfs libcrc32c ata_generic pata_acpi amdkfd amd_iommu_v2 radeon(-)
serio_raw r8169 firewire_ohci i2c_algo_bit firewire_core
[115942.917377]  pata_marvell mii crc_itu_t drm_kms_helper ttm drm              
[115942.917417] CPU: 0 PID: 6778 Comm: modprobe Not tainted
4.14.13-300.fc27.x86_64 #1                                 
[115942.917488] Hardware name: System manufacturer System Product Name/P5QL-EM,
BIOS 0802    05/12/2010                
[115942.917558] task: ffff96b09a4b3c00 task.stack: ffffb500c13b4000             
[115942.917610] RIP: 0010:mutex_lock+0x1d/0x40             
[115942.917659] RSP: 0018:ffffb500c13b7cf0 EFLAGS: 00010246
[115942.917710] RAX: 0000000000000000 RBX: 0000000000000258 RCX:
000000010020000f                                      
[115942.917779] RDX: ffff96b09a4b3c00 RSI: ffff96b095a0ef20 RDI:
0000000000000258                                      
[115942.917849] RBP: ffffb500c13b7cf8 R08: ffff96b093a19a80 R09:
000000010020000f                                      
[115942.917918] R10: ffffb500c13b7cc8 R11: 0000000000000000 R12:
0000000000000258                                      
[115942.917987] R13: ffff96b095a0ef20 R14: ffffffffc0625210 R15:
ffff96b09a50f100                                      
[115942.918064] FS:  00007faa7058c0c0(0000) GS:ffff96b09fc00000(0000)
knlGS:0000000000000000                           
[115942.918065] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033               
[115942.918065] CR2: 0000000000000258 CR3: 0000000050256000 CR4:
00000000000006f0                                      
[115942.918065] Call Trace:                                
[115942.918065]  drm_mode_object_unregister+0x23/0x50 [drm]
[115942.918065]  drm_framebuffer_unregister_private+0x1a/0x20 [drm]             
[115942.918065]  radeon_fbdev_fini+0x56/0x80 [radeon]      
[115942.918065]  radeon_modeset_fini+0x72/0xb0 [radeon]    
[115942.918065]  radeon_driver_unload_kms+0x43/0x80 [radeon]                    
[115942.918065]  drm_dev_unregister+0x43/0xf0 [drm]        
[115942.918065]  drm_put_dev+0x32/0x70 [drm]               
[115942.918065]  radeon_pci_remove+0x15/0x20 [radeon]      
[115942.918065]  pci_device_remove+0x39/0xb0               
[115942.918065]  device_release_driver_internal+0x158/0x210
[115942.918065]  driver_detach+0x38/0x70                   
[115942.918065]  bus_remove_driver+0x59/0xd0               
[115942.918065]  driver_unregister+0x2c/0x40               
[115942.918065]  pci_unregister_driver+0x22/0xb0           
[115942.918065]  radeon_exit+0x15/0x6f [radeon]            
[115942.918065]  SyS_delete_module+0x1a8/0x2b0             
[115942.918065]  ? exit_to_usermode_loop+0x8f/0xb0         
[115942.918065]  entry_SYSCALL_64_fastpath+0x20/0x83       
[115942.918065] RIP: 0033:0x7faa6fa54077                   
[115942.918065] RSP: 002b:00007ffd42b9ccc8 EFLAGS: 00000206 ORIG_RAX:
00000000000000b0                                 
[115942.918065] RAX: ffffffffffffffda RBX: 0000000000000003 RCX:
00007faa6fa54077                                      
[115942.918065] RDX: 0000000000000000 RSI: 0000000000000800 RDI:
0000559fc225dd98                                      
[115942.918065] RBP: 0000000000000000 R08: 00007ffd42b9bc71 R09:
0000000000000000                                      
[115942.918065] R10: 00007faa6face100 R11: 0000000000000206 R12:
0000559fc225dd30                                      
[115942.918065] R13: 00007ffd42b9bce0 R14: 0000559fc225dd98 R15:
00007ffd42b9e0b0                                      
[115942.918065] Code: ff 5d c3 90 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90
55 48 89 e5 53 48 89 fb e8 ce e2 ff ff 65 48 8b 14 25 00 5c 01 00 31 c0 <f0> 48
0f b1 13 48 85 c0 74 08 48 89 df e8 b1 ff ff ff 5b 5d c3                       
[115942.918065] RIP: mutex_lock+0x1d/0x40 RSP: ffffb500c13b7cf0                 
[115942.918065] CR2: 0000000000000258                      
[115942.920031] ---[ end trace c2bf9af6c48b5a97 ]---

Expected results:
No error.

Additional info:
01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc.
[AMD/ATI] RV635 [Radeon HD 3650/3750/4570/4580] [1002:9598]

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-- links below jump to the message on this page --
2018-01-12 19:00 [Bug 104608] [r600, RV635] Removing radeon module results in BUG: unable to handle kernel NULL pointer dereference at 0000000000000258 bugzilla-daemon
2018-01-12 19:05 ` bugzilla-daemon
2018-01-15 10:10 ` bugzilla-daemon
2018-01-16 13:37 ` bugzilla-daemon
2018-01-16 16:37 ` bugzilla-daemon
2018-01-16 21:22 ` bugzilla-daemon
2018-03-05 17:06 ` bugzilla-daemon

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