From owner-freebsd-hackers@freebsd.org Thu Jul 2 12:28:15 2020 Return-Path: Delivered-To: freebsd-hackers@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 5B6A8354EE5 for ; Thu, 2 Jul 2020 12:28:15 +0000 (UTC) (envelope-from arka.sw1988@gmail.com) Received: from mail-lf1-x129.google.com (mail-lf1-x129.google.com [IPv6:2a00:1450:4864:20::129]) (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-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 49yHSD57sgz3WFN for ; Thu, 2 Jul 2020 12:28:12 +0000 (UTC) (envelope-from arka.sw1988@gmail.com) Received: by mail-lf1-x129.google.com with SMTP id k17so3208989lfg.3 for ; Thu, 02 Jul 2020 05:28:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=76OSdKrhyuDP4WoOBBIwCvCi4Lcizz6SWtx4dmEP2PU=; b=EP2+pQFLdNhxE73tv/n+Fn9XRtjkT/XE4q0WepNtrbZDCY4nw2mcxcAN4ymD3JhY6D +QvZ4NuFeP/pFFPdHHCfXk/9nxrwcpiaKXAK2S8Ka+stuP12QOhTzDqM7WhLUjvm88JO u/hLCcJZJlLHiRD2pjjPFABkYnkCAeE9+Vz0QEmqdgal/+j7NlEaXCVhINAkWc29GB9W b+tVf6IyXDD5ZZCgvyX7bRZPDkstQED9G3+hw+fkCp3qSbSx/KSIXn4vmlJUpbXHMS1b yr3Vv7o8tat+bTrSXSpV+vnlJ5psGdRbk9u8G7IJ2UVl45qo0n0/QkDxxIUpUCQuBLbV FaBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=76OSdKrhyuDP4WoOBBIwCvCi4Lcizz6SWtx4dmEP2PU=; b=DZNx5bCM8b1wxP0LdykBrk41lJ+Ex2M8FSW1aUMjf2iexiboQcXNTeL2k7katDnoZ5 8+IuhD/8vvamzRUAuu54dqCjjaVvbDzl7AclIUbaf41aJUNxDglqdtF1DbdhHdiBHfGz 5fNRfSrIR+bip/XhwdXsRXRtjNEvMzjLJ72vgpl5zs5cgU+yqvKb6mEb29RB4h5oZNxA +H0cfkQIqlcjpNMM60QMkksWi8+F+bd0Q0bD3EcCN6J+k9vdvONo9j8L3hgOUQrWhGYO xJ0C/rZZPkxPR/15Galh1cL87AQUIVo27sgc7tkicDjdVWVnRMOWwfg/CcnQQ3JZ3VLP 75PQ== X-Gm-Message-State: AOAM532fjyou+rvlvl3dzzxbCNfSH8LMr6e9Z0jWUF7uGTJ7ZRGo/Sjt hJ3oe1UOEU4C8AMNSLIHuFIRurtjdvjYhTR4cpQGHg== X-Google-Smtp-Source: ABdhPJyCi3e2qSNYFcTh8iCjreD0L6tewZchcGO4CW7t3erm1eAVKLQyX5Vr+PI/0cyaQ5PMD63TPTHj3rw27FlcyXM= X-Received: by 2002:a19:ca11:: with SMTP id a17mr18078782lfg.120.1593692890302; Thu, 02 Jul 2020 05:28:10 -0700 (PDT) MIME-Version: 1.0 From: Arka Sharma Date: Thu, 2 Jul 2020 17:57:58 +0530 Message-ID: Subject: Hang while "Switching to gdb back-end" To: freebsd-hackers@freebsd.org X-Rspamd-Queue-Id: 49yHSD57sgz3WFN X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=EP2+pQFL; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of arkasw1988@gmail.com designates 2a00:1450:4864:20::129 as permitted sender) smtp.mailfrom=arkasw1988@gmail.com X-Spamd-Result: default: False [-2.60 / 15.00]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; NEURAL_HAM_MEDIUM(-0.91)[-0.908]; FROM_HAS_DN(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-hackers@freebsd.org]; TO_DN_NONE(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_HAM_LONG(-0.99)[-0.989]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::129:from]; NEURAL_SPAM_SHORT(0.30)[0.301]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; TAGGED_FROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.33 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Jul 2020 12:28:15 -0000 Dear All, I have installed FreeBSD 12.1. I have set the "hint.uart.0.flags="0x90" in the /boot/device.hints file. I also have both ddb and gdb listed when I issue "sysctl debug.kdb.available". So when I launch db using "sysctl debug.kdb.enter=1" and issue gdb to change the mode to gdb it shows "Switching to gdb back-end" and doesn't respond to Ctrl+c. I have to reset the system in order to get the system up. Regards, Arka