From nobody Fri Sep 23 21:33:10 2022 X-Original-To: current@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4MZ53t5F7Fz4d0lf; Fri, 23 Sep 2022 21:33:14 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from smtp.freebsd.org (smtp.freebsd.org [IPv6:2610:1c1:1:606c::24b:4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4MZ53t4Rlnz3ZfR; Fri, 23 Sep 2022 21:33:14 +0000 (UTC) (envelope-from avg@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1663968794; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=3XSBssKp5p4oMOTqLhyHr99E90QGaCxAeiVOy9PImYc=; b=v0ZR1l7rmMa+iVF5sHYR401WQKKP4j37sSCTxebL/ZEVG4VOxU0Agq4WSk4oxgdDzd4p6i mIfBwtBEY4tnX0nr5jCtAz4tLPAoJloV5SF/ZPOsZuP5OsvPZKJO2UX/D1pfy21Am2VWkB g2kK3XyTUzHNhFtyBWAkQMDoqambzsyfbjIqrqzrCCGunWjmFrqfGhuuk8+jcpFIhU1BeQ iM+c5vZd9bj2teK8pV7X/LHGs4IT5Uc6ubbLr3764UnF1TKm2GyFdpBKKr8TMXdl91wW0G CnRtsTbswUyNIfsR7Evp7jrwac4d889q+d5saAS7CRNpXiSM4zVs3ZMhcTn4zg== Received: from [192.168.0.88] (unknown [195.64.148.76]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) (Authenticated sender: avg/mail) by smtp.freebsd.org (Postfix) with ESMTPSA id 4MZ53s6HDZz1S87; Fri, 23 Sep 2022 21:33:13 +0000 (UTC) (envelope-from avg@FreeBSD.org) Message-ID: Date: Sat, 24 Sep 2022 00:33:10 +0300 List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@freebsd.org MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:102.0) Gecko/20100101 Firefox/102.0 Thunderbird/102.3.0 Content-Language: en-US To: freebsd-stable List Cc: FreeBSD Current From: Andriy Gapon Subject: usbhid panic when switching vt-s (invariants+witness enabled) Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1663968794; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=3XSBssKp5p4oMOTqLhyHr99E90QGaCxAeiVOy9PImYc=; b=sYbnWkI+Mz2sJYXV/tMZ+p6s60siWu91Yr2prBuGBjEL1oxI/yGtBXq2YoLaRwBRhRWQBy DYAH0+xep3bgRX5XzvuDZQgPTwiQdbEiqoZWv3oWi5S+w8HxbNxOW5+ca3FNU1tDOJj49G ZIO8R/Tif/1XDMDJNR0m4uHV8XrWcS/CVFo5M9broEMMy04jhPycvToji+UPMmfVaCAqnM Rc8pNK7ka2gGxxCRZvi2CkLObjd8GduF6BrTKjVmyT/Rb00WWPOpSz/oi6SM9NdTBgiD86 AfG2eIdkexXG1Cowjg8kDCsGcFaXEWYqSe2dKlZkrMWGWYPKTKor4r3aEd85JA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1663968794; a=rsa-sha256; cv=none; b=t07oLyLEqIcyaGLA5KtSKqgwBCg+4DcnouS5Mbg24HloMjAUoNoew7x6FkQAIWini1Nl3l Rny1gNyk6anT7lpzaHo6+6blJKb7hx6PIT3DDPSEXcd6VlnjSKpZExNCmgpE+jVGwUTeCP 4MLhS8+i/7YGPfUFkd2OfAmPfTg14vIGZNF4a7Oigju+jwO0UvXX2ZQp3yyd5pa+6WeY4S ZxuHKGSbRoxntlphclg7A/BvkYllSqexrkEm3+CbInb8YeI6YHyQ1+AwloCMIiZZCfZ7xn 3OQEvBJ2Z7+U37E5tKkGCymWlqtBjQaex9xjQ1I9drELN9pC72hIxQ9DA3CoCQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N It seems that the problem may be related to different keyboard LED states between the VTs. The system is a fresh stable/13. The panic looks like an attempt to sleep while in an interrupt thread (a callout?). panic: sleepq_add: td 0xfffff80006af0000 to sleep on wchan 0xfffff802ea752e08 with sleeping prohibited cpuid = 5 time = 1663940484 KDB: stack backtrace: db_trace_self_wrapper() at 0xffffffff8061555b = db_trace_self_wrapper+0x2b/frame 0xfffffe003590e7f0 kdb_backtrace() at 0xffffffff80942637 = kdb_backtrace+0x37/frame 0xfffffe003590e8a0 vpanic() at 0xffffffff808f4c84 = vpanic+0x184/frame 0xfffffe003590e900 panic() at 0xffffffff808f4a33 = panic+0x43/frame 0xfffffe003590e960 sleepq_add() at 0xffffffff809521ab = sleepq_add+0x37b/frame 0xfffffe003590e9b0 _sleep() at 0xffffffff80902118 = _sleep+0x238/frame 0xfffffe003590ea40 usbhid_sync_xfer() at 0xffffffff8532e071 = usbhid_sync_xfer+0x171/frame 0xfffffe003590eaa0 usbhid_set_report() at 0xffffffff8532db26 = usbhid_set_report+0x96/frame 0xfffffe003590eae0 hid_set_report() at 0xffffffff80686caa = hid_set_report+0x6a/frame 0xfffffe003590eb20 hidbus_write() at 0xffffffff85335a7c = hidbus_write+0x5c/frame 0xfffffe003590eb50 hid_write() at 0xffffffff80686b98 = hid_write+0x58/frame 0xfffffe003590eb80 hkbd_set_leds() at 0xffffffff85c1cfe6 = hkbd_set_leds+0x206/frame 0xfffffe003590ebc0 hkbd_ioctl_locked() at 0xffffffff85c1cd6b = hkbd_ioctl_locked+0x33b/frame 0xfffffe003590ec20 hkbd_ioctl_locked() at 0xffffffff85c1caff = hkbd_ioctl_locked+0xcf/frame 0xfffffe003590ec80 hkbd_ioctl() at 0xffffffff85c1ba5a = hkbd_ioctl+0xba/frame 0xfffffe003590ecc0 kbdmux_ioctl() at 0xffffffff80695d3b = kbdmux_ioctl+0x12b/frame 0xfffffe003590ed00 vt_window_switch() at 0xffffffff8079d969 = vt_window_switch+0x229/frame 0xfffffe003590ed40 vt_switch_timer() at 0xffffffff807a15a1 = vt_switch_timer+0x21/frame 0xfffffe003590ed60 softclock_call_cc() at 0xffffffff809127c4 = softclock_call_cc+0x244/frame 0xfffffe003590ee20 softclock() at 0xffffffff80912c1c = softclock+0x7c/frame 0xfffffe003590ee50 ithread_loop() at 0xffffffff808b662a = ithread_loop+0x2da/frame 0xfffffe003590eef0 fork_exit() at 0xffffffff808b2f85 = fork_exit+0xc5/frame 0xfffffe003590ef30 fork_trampoline() at 0xffffffff80c084fe = fork_trampoline+0xe/frame 0xfffffe003590ef30 -- Andriy Gapon