Info

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Function
synchronize_rcu_expedited
First occurrence
2025-06-29
Last occurrence
2026-03-31
State
NEW
Components
kernel
Quality
-41

Graphs

Statistics

Operating system Count
Fedora 41 46
Fedora 40 1
Architecture Count
x86_64 47
Related packages Count
kernel-core 47
 0:6.15.3-100.fc41 41
 0:6.16.4-100.fc41 5
 0:6.14.5-100.fc40 1

Packages names with count less than the total count of reports are most probably not the cause of the problem.

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Report backtrace

Complete report #1247822
Frame # Function Binary Source or offset Line
1
synchronize_rcu_expedited
vmlinux 0x158
2
_rtl8723be_return_beacon_queue_skb
rtl8723be 0xf7
3
_rtl8723be_return_beacon_queue_skb
rtl8723be 0xf7
4
_rtl8723be_return_beacon_queue_skb
rtl8723be 0xf7
5
rtl_op_bss_info_changed
rtlwifi 0x1f4
6
ieee80211_do_stop
mac80211 0x747
7
ieee80211_do_stop
mac80211 0x747
8
ieee80211_do_stop
mac80211 0x747
9
ieee80211_do_stop
mac80211 0x747
10
ieee80211_do_stop
mac80211 0x747
11
cfg80211_shutdown_all_interfaces
cfg80211 0x4d
12
synchronize_rcu_expedited
vmlinux 0x158
13
synchronize_rcu_expedited
vmlinux 0x158
14
? synchronize_rcu_expedited
vmlinux 0x158
15
synchronize_rcu_expedited
vmlinux 0x158
16
? synchronize_rcu_expedited
vmlinux 0x158
17
synchronize_rcu_expedited
vmlinux 0x158
18
? synchronize_rcu_expedited
vmlinux 0x158
19
synchronize_rcu_expedited
vmlinux 0x158
WARNING: CPU: 0 PID: 6544 at drivers/iommu/dma-iommu.c:1207 iommu_dma_unmap_page+0x7d/0x90
Modules linked in: uinput rfcomm snd_seq_dummy snd_hrtimer xt_conntrack xt_MASQUERADE xt_set xt_addrtype nft_masq nft_reject_ipv4 act_csum cls_u32 sch_htb nf_nat_tftp nf_conntrack_tftp bridge stp llc overlay nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security nf_tables ip_set ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables bnep sunrpc binfmt_misc btusb btrtl rtl8723be btcoexist rtl8723_common i2c_piix4 i2c_smbus rtl_pci btintel uvcvideo uvc btbcm videobuf2_vmalloc videobuf2_memops btmtk videobuf2_v4l2 videobuf2_common videodev rtlwifi snd_ctl_led snd_hda_codec_realtek mc mac80211 snd_hda_codec_generic snd_hda_scodec_component snd_hda_codec_hdmi snd_hda_intel k10temp
 snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec snd_hda_core libarc4 snd_hwdep snd_seq cfg80211 bluetooth snd_seq_device fam15h_power snd_pcm hp_wmi sparse_keymap snd_timer platform_profile rfkill snd soundcore pcspkr hp_accel wmi_bmof edac_mce_amd acpi_cpufreq r8169 pktcdvd tpm_infineon wireless_hotkey lis3lv02d joydev realtek loop dm_multipath nfnetlink zram lz4hc_compress lz4_compress dm_crypt amdgpu amdxcp gpu_sched drm_panel_backlight_quirks drm_buddy hid_logitech_hidpp radeon rtsx_pci_sdmmc drm_ttm_helper mmc_core polyval_clmulni polyval_generic ttm ghash_clmulni_intel hid_logitech_dj sha512_ssse3 drm_exec i2c_algo_bit drm_suballoc_helper sha256_ssse3 drm_display_helper sha1_ssse3 rtsx_pci sp5100_tco cec video wmi serio_raw scsi_dh_rdac scsi_dh_emc scsi_dh_alua fuse
CPU: 0 UID: 0 PID: 6544 Comm: kworker/u16:0 Not tainted 6.15.3-100.fc41.x86_64 #1 PREEMPT(lazy) 
Hardware name: Hewlett-Packard HP ProBook 455 G2/2235, BIOS M75 Ver. 01.09 12/04/2014
Workqueue: events_unbound cfg80211_wiphy_work [cfg80211]
RIP: 0010:iommu_dma_unmap_page+0x7d/0x90
Code: 2b 49 3b 29 72 26 49 3b 69 08 73 20 4d 89 f8 44 89 f1 4c 89 ea 48 89 ee 48 89 df 5b 5d 41 5c 41 5d 41 5e 41 5f e9 c3 26 5f ff <0f> 0b 5b 5d 41 5c 41 5d 41 5e 41 5f e9 b2 84 60 00 66 90 90 90 90
RSP: 0018:ffffd30086c37830 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff8ac0019d90c8 RCX: 000000000000001e
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8ac000ceb878
RBP: 0000000000000001 R08: 0000000000000000 R09: 000000000000000a
R10: 0000000000000000 R11: 0000000000000020 R12: 0000000000000000
R13: 0000000000000400 R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8ac1af203000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f701155a100 CR3: 000000010812d000 CR4: 00000000000506f0
Call Trace:
 <TASK>
 dma_unmap_page_attrs+0x23b/0x260
 _rtl8723be_return_beacon_queue_skb+0xf7/0x1f0 [rtl8723be]
 _rtl8723be_download_rsvd_page+0x1c0/0x3c0 [rtl8723be]
 rtl8723be_set_hw_reg+0x7e9/0xe10 [rtl8723be]
 rtl_op_bss_info_changed+0x1f4/0x870 [rtlwifi]
 ieee80211_bss_info_change_notify+0xe0/0x2e0 [mac80211]
 ieee80211_set_associated+0x1ff/0x256 [mac80211]
 ieee80211_assoc_success+0x5a8/0x611 [mac80211]
 ieee80211_rx_mgmt_assoc_resp.cold+0x41b/0x5fd [mac80211]
 ieee80211_iface_work+0x72/0x190 [mac80211]
 cfg80211_wiphy_work+0xfb/0x170 [cfg80211]
 process_one_work+0x18d/0x340
 worker_thread+0x256/0x3a0
 ? __pfx_worker_thread+0x10/0x10
 kthread+0xfc/0x240
 ? __pfx_kthread+0x10/0x10
 ret_from_fork+0x34/0x50
 ? __pfx_kthread+0x10/0x10
 ret_from_fork_asm+0x1a/0x30
 </TASK>