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([2a02:8109:98c0:1bc0:5e5f:67ff:fef4:ffd8]) by smtp.gmail.com with ESMTPSA id q7sm7688752ejo.22.2020.07.27.14.12.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 27 Jul 2020 14:12:13 -0700 (PDT) Subject: Re: change in tcsh behavior To: Robert Huff , questions@freebsd.org References: <24351.11091.522286.251422@jerusalem.litteratus.org> From: Mateusz Piotrowski <0mp@FreeBSD.org> Message-ID: Date: Mon, 27 Jul 2020 23:12:20 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <24351.11091.522286.251422@jerusalem.litteratus.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Rspamd-Queue-Id: 4BFsvN3lmGz4LvG X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of mpp302@gmail.com designates 209.85.208.50 as permitted sender) smtp.mailfrom=mpp302@gmail.com X-Spamd-Result: default: False [-2.37 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_TLS_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:209.85.128.0/17:c]; MID_RHS_MATCH_FROM(0.00)[]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[questions@freebsd.org]; DMARC_NA(0.00)[FreeBSD.org]; NEURAL_HAM_LONG(-0.91)[-0.911]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_HAM_SHORT(-0.47)[-0.473]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[209.85.208.50:from]; NEURAL_HAM_MEDIUM(-0.99)[-0.991]; FORGED_SENDER(0.30)[0mp@FreeBSD.org,mpp302@gmail.com]; RWL_MAILSPIKE_POSSIBLE(0.00)[209.85.208.50:from]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:15169, ipnet:209.85.128.0/17, country:US]; FROM_NEQ_ENVFROM(0.00)[0mp@FreeBSD.org,mpp302@gmail.com]; FREEMAIL_ENVFROM(0.00)[gmail.com] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 Jul 2020 21:12:17 -0000 Hi, On 7/27/20 9:30 PM, Robert Huff wrote: > Hello: > After upgrading to: > > FreeBSD 13.0-CURRENT #0 r363470: Fri Jul 24 08:44:41 EDT 2020 amd64 > > tcsh behaves differently. > In the old versiou, typing Ctl-t produced: > > load: 0.26 cmd: grep 10833 [getblk] 6.95r 0.05u 0.29s 1% 2528k > > Now I get: > > load: 0.26 cmd: grep 10833 [getblk] 6.95r 0.05u 0.29s 1% 2528k > mi_switch+0x155 sleepq_switch+0x11a sleeplk+0x106 lockmgr_xlock_hard+0x3e5 __lockmgr_args+0x618 getblkx+0x13f cluster_read+0xc2 ffs_read+0x19f VOP_READ_APV+0x35 vn_read+0x1e8 vn_io_fault_doio+0x43 vn_io_fault1+0x16c vn_io_fault+0x1bb dofileread+0x81 sys_read+0xc0 amd64_syscall+0x140 fast_syscall_common+0xf8 > > Nice ... but not useful. > Haven't found this documented. > How do I go back to the old output? Set sysctl kern.tty_info_kstacks to 0. See man termios for more details. Cheers, Mateusz