| 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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