Date: Sun, 17 May 2026 21:27:29 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 295374] if_ure: lock (sleep mutex) ure0 not locked ure_miibus_readreg() Message-ID: <bug-295374-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=295374 Bug ID: 295374 Summary: if_ure: lock (sleep mutex) ure0 not locked ure_miibus_readreg() Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: net@FreeBSD.org Reporter: pouria@freebsd.org CC: rkitover@gmail.com Happens on steam deck during boot with anker usb dock (rgephy0: <RTL8251/8153 1000BASE-T media interface> PHY 0 on miibus0). The text below is converted from an image, it may have some inconsistencies. #8 0xffffffff88d2b8cb at ether_ifattach+8x3b #9 Bxffffffff83828436 at ue_attach_post_task+0x2a6 #18 0xffffffff889d3da8 at usb_process+0xf0 #11 Bxffffffff88b89fc2 at fork_exit+8x82 #12 Bxffffffff811188be at fork_trampoline+0xe uma_zalloc_debug: zone "malloc-256" with the following non-sleepable locks held: exclusive sleep mutex ure08 (ure8) r = 0 (0xfffff800858cb6c8) locked @ /usr/src/sys/dev/u stack backtrace: #0 0xffffffff88c5545c at witness_debugger+8x6c #1 0xffffffff88c56d59 at witness_warn+8x4b9 #2 Bxffffffff88fae8b4 at uma_zalloc_debug+8x34 #3 Bxffffffff88fae487 at uma_zalloc_arg+8x27 #4 Bxffffffff88babaŠ±d at malloc+8x7d #5 0xffffffff88d2ec7e at 11table_allocate_htbl+8x4e #6 0xffffffff88e228e9 at in6_ifarrival+0x1c9 #7 0xffffffff88d1f564 at if_attach_internal +8x374 #8 Bxffffffff88d2b8cb at ether_ifattach+8x3b #9 Bxffffffff83828436 at ue_attach_post_task+0x2a6 #18 Bxffffffff889d3da8 at usb_process+0xf0 #11 Bxffffffff88b89fc2 at fork_exit+0x82 #12 Bxffffffff811188be at fork_trampoline+0xe panic: lock (sleep mutex) ure8 not locked @ /usr/src/sys/dev/usb/usb_request.c:468 cpuid = 4 time = 1779852295 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+8x2b/frame Bxfffffe88cd8957c8 vpanic() at vpanic+8x149/frame Bxfffffe88cd8958f8 panic() at panic+8x43/frame Bxfffffe88cd895958 witness_unlock() at witness_unlock+8x154/frame Bxfffffe88cd895988 _atx_unlock_flags() at __atx_unlock_flags+8x3f/frame 0xfffffe88cd8959a8 usbd_do_request_flags() at usbd_do_request_flags+8x128/frame Bxfffffe88cd895a38 usbd_do_request_proc() at usbd_do_request_proc+8x5e/frame 8xfffffe88cd895a88 ure niibus_readreg() at ure_miibus_readreg+8xb5/frame Bxfffffe88cd895ae8 rgephy_linkup() at rgephy_linkup+0xc3/frame 0xfffffe88cd895b18 rgephy_status() at rgephy_status+8x28/frame Bxfffffe88cd895b58 rgephy service() at rgephy_service+8x323/frame Bxfffffe88cd895ba8 mii_pollstat() at mii_poll1stat+8x57/frame 0xfffffe88cd895bd8 ure ifmedia_sts() at ure_ifmedia_sts+8x184/frame Bxfffffe88cd895c28 ifmedia_ioctl() at ifmedia_ioctl+8x17e/frame Bxfffffe88cd895c58 dump_iface() at dump_iface+8x126/frame 8xfffffe88cd895d88 rtnl_handle_ifnet_event() at rtnl_handle_ifnet_event+8x88/frame Bxfffffe88cd895d78 do_link_state_change() at do_link_state_change+8x5b/frame Bxfffffe88cd895dc8 taskqueue_run_locked() at taskqueue_run_locked+8x1ce/frame Bxfffffe88cd895e48 taskqueue_run() at taskqueue_run+8x4d/frame Bxfffffe88cd895e68 ithread_loop() at ithread_loop+8x266/frame Bxfffffe88cd895ef8 fork_exit() at fork_exit+8x82/frame Bxfffffe88cd895f38 fork trampoline() at fork_trampoline+8xe/frame Bxfffffe88cd895f38 ---trap 8x358888, rip = 8xa8488888814, rsp = 8x18888884888881, rbp = 8x1888888888888 KDB: enter: panic -- You are receiving this mail because: You are the assignee for the bug.home | help
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