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[93.72.151.96]) by smtp.googlemail.com with ESMTPSA id i14-v6sm312682lfh.29.2018.05.10.12.46.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 10 May 2018 12:46:30 -0700 (PDT) Subject: Re: camcontrol eject -> panic: sleep on wchan with sleeping prohibited To: Harry Schmalzbauer , scsi@freebsd.org References: <5AF4800F.4030900@omnilan.de> From: Andriy Gapon Openpgp: preference=signencrypt Autocrypt: addr=avg@FreeBSD.org; prefer-encrypt=mutual; keydata= xsFNBFm4LIgBEADNB/3lT7f15UKeQ52xCFQx/GqHkSxEdVyLFZTmY3KyNPQGBtyvVyBfprJ7 mAeXZWfhat6cKNRAGZcL5EmewdQuUfQfBdYmKjbw3a9GFDsDNuhDA2QwFt8BmkiVMRYyvI7l N0eVzszWCUgdc3qqM6qqcgBaqsVmJluwpvwp4ZBXmch5BgDDDb1MPO8AZ2QZfIQmplkj8Y6Z AiNMknkmgaekIINSJX8IzRzKD5WwMsin70psE8dpL/iBsA2cpJGzWMObVTtCxeDKlBCNqM1i gTXta1ukdUT7JgLEFZk9ceYQQMJJtUwzWu1UHfZn0Fs29HTqawfWPSZVbulbrnu5q55R4PlQ /xURkWQUTyDpqUvb4JK371zhepXiXDwrrpnyyZABm3SFLkk2bHlheeKU6Yql4pcmSVym1AS4 dV8y0oHAfdlSCF6tpOPf2+K9nW1CFA8b/tw4oJBTtfZ1kxXOMdyZU5fiG7xb1qDgpQKgHUX8 7Rd2T1UVLVeuhYlXNw2F+a2ucY+cMoqz3LtpksUiBppJhw099gEXehcN2JbUZ2TueJdt1FdS ztnZmsHUXLxrRBtGwqnFL7GSd6snpGIKuuL305iaOGODbb9c7ne1JqBbkw1wh8ci6vvwGlzx rexzimRaBzJxlkjNfMx8WpCvYebGMydNoeEtkWldtjTNVsUAtQARAQABzR5BbmRyaXkgR2Fw b24gPGF2Z0BGcmVlQlNELm9yZz7CwZQEEwEIAD4WIQS+LEO7ngQnXA4Bjr538m7TUc1yjwUC WbgsiAIbIwUJBaOagAULCQgHAgYVCAkKCwIEFgIDAQIeAQIXgAAKCRB38m7TUc1yj+JAEACV l9AK/nOWAt/9cufV2fRj0hdOqB1aCshtSrwHk/exXsDa4/FkmegxXQGY+3GWX3deIyesbVRL rYdtdK0dqJyT1SBqXK1h3/at9rxr9GQA6KWOxTjUFURsU7ok/6SIlm8uLRPNKO+yq0GDjgaO LzN+xykuBA0FlhQAXJnpZLcVfPJdWv7sSHGedL5ln8P8rxR+XnmsA5TUaaPcbhTB+mG+iKFj GghASDSfGqLWFPBlX/fpXikBDZ1gvOr8nyMY9nXhgfXpq3B6QCRYKPy58ChrZ5weeJZ29b7/ QdEO8NFNWHjSD9meiLdWQaqo9Y7uUxN3wySc/YUZxtS0bhAd8zJdNPsJYG8sXgKjeBQMVGuT eCAJFEYJqbwWvIXMfVWop4+O4xB+z2YE3jAbG/9tB/GSnQdVSj3G8MS80iLS58frnt+RSEw/ psahrfh0dh6SFHttE049xYiC+cM8J27Aaf0i9RflyITq57NuJm+AHJoU9SQUkIF0nc6lfA+o JRiyRlHZHKoRQkIg4aiKaZSWjQYRl5Txl0IZUP1dSWMX4s3XTMurC/pnja45dge/4ESOtJ9R 8XuIWg45Oq6MeIWdjKddGhRj3OohsltKgkEU3eLKYtB6qRTQypHHUawCXz88uYt5e3w4V16H lCpSTZV/EVHnNe45FVBlvK7k7HFfDDkryM7BTQRZuCyIARAAlq0slcsVboY/+IUJdcbEiJRW be9HKVz4SUchq0z9MZPX/0dcnvz/gkyYA+OuM78dNS7Mbby5dTvOqfpLJfCuhaNYOhlE0wY+ 1T6Tf1f4c/uA3U/YiadukQ3+6TJuYGAdRZD5EqYFIkreARTVWg87N9g0fT9BEqLw9lJtEGDY EWUE7L++B8o4uu3LQFEYxcrb4K/WKmgtmFcm77s0IKDrfcX4doV92QTIpLiRxcOmCC/OCYuO jB1oaaqXQzZrCutXRK0L5XN1Y1PYjIrEzHMIXmCDlLYnpFkK+itlXwlE2ZQxkfMruCWdQXye syl2fynAe8hvp7Mms9qU2r2K9EcJiR5N1t1C2/kTKNUhcRv7Yd/vwusK7BqJbhlng5ZgRx0m WxdntU/JLEntz3QBsBsWM9Y9wf2V4tLv6/DuDBta781RsCB/UrU2zNuOEkSixlUiHxw1dccI 6CVlaWkkJBxmHX22GdDFrcjvwMNIbbyfQLuBq6IOh8nvu9vuItup7qemDG3Ms6TVwA7BD3j+ 3fGprtyW8Fd/RR2bW2+LWkMrqHffAr6Y6V3h5kd2G9Q8ZWpEJk+LG6Mk3fhZhmCnHhDu6CwN MeUvxXDVO+fqc3JjFm5OxhmfVeJKrbCEUJyM8ESWLoNHLqjywdZga4Q7P12g8DUQ1mRxYg/L HgZY3zfKOqcAEQEAAcLBfAQYAQgAJhYhBL4sQ7ueBCdcDgGOvnfybtNRzXKPBQJZuCyIAhsM BQkFo5qAAAoJEHfybtNRzXKPBVwQAKfFy9P7N3OsLDMB56A4Kf+ZT+d5cIx0Yiaf4n6w7m3i ImHHHk9FIetI4Xe54a2IXh4Bq5UkAGY0667eIs+Z1Ea6I2i27Sdo7DxGwq09Qnm/Y65ADvXs 3aBvokCcm7FsM1wky395m8xUos1681oV5oxgqeRI8/76qy0hD9WR65UW+HQgZRIcIjSel9vR XDaD2HLGPTTGr7u4v00UeTMs6qvPsa2PJagogrKY8RXdFtXvweQFz78NbXhluwix2Tb9ETPk LIpDrtzV73CaE2aqBG/KrboXT2C67BgFtnk7T7Y7iKq4/XvEdDWscz2wws91BOXuMMd4c/c4 OmGW9m3RBLufFrOag1q5yUS9QbFfyqL6dftJP3Zq/xe+mr7sbWbhPVCQFrH3r26mpmy841ym dwQnNcsbIGiBASBSKksOvIDYKa2Wy8htPmWFTEOPRpFXdGQ27awcjjnB42nngyCK5ukZDHi6 w0qK5DNQQCkiweevCIC6wc3p67jl1EMFY5+z+zdTPb3h7LeVnGqW0qBQl99vVFgzLxchKcl0 R/paSFgwqXCZhAKMuUHncJuynDOP7z5LirUeFI8qsBAJi1rXpQoLJTVcW72swZ42IdPiboqx NbTMiNOiE36GqMcTPfKylCbF45JNX4nF9ElM0E+Y8gi4cizJYBRr2FBJgay0b9Cp Message-ID: <4ea0a7e1-a8b9-b465-cdc7-36ddad6b1293@FreeBSD.org> Date: Thu, 10 May 2018 22:46:28 +0300 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <5AF4800F.4030900@omnilan.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-BeenThere: freebsd-scsi@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: SCSI subsystem List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 May 2018 19:46:40 -0000 On 10/05/2018 20:23, Harry Schmalzbauer wrote: > Hello, > > HEAD panics reproducably if I eject cd-rom media: > > Unread portion of the kernel message buffer: > panic: sleepq_add: td 0xfffff800035ad560 to sleep on wchan > 0xfffff8000b015048 with sleeping prohibited See https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219857 Especially comment #1. > cpuid = 2 > time = 1525970358 > --- trap 0, rip = 0, rsp = 0, rbp = 0 --- > #2 0xffffffff803e6b79 in db_command (cmd_table=) at > /usr/local/share/deploy-tools/HEAD/src/sys/ddb/db_command.c:481 > #3 0xffffffff803e68f4 in db_command_loop () at > /usr/local/share/deploy-tools/HEAD/src/sys/ddb/db_command.c:534 > #4 0xffffffff803e9b8f in db_trap (type=, > code=) at > /usr/local/share/deploy-tools/HEAD/src/sys/ddb/db_main.c:252 > #5 0xffffffff80811253 in kdb_trap (type=3, code=-61456, tf= optimized out>) at > /usr/local/share/deploy-tools/HEAD/src/sys/kern/subr_kdb.c:697 > #6 0xffffffff80b0a83d in trap (frame=0xfffffe000048c500) at > /usr/local/share/deploy-tools/HEAD/src/sys/amd64/amd64/trap.c:601 > #7 0xffffffff80ae709c in calltrap () at > /usr/local/share/deploy-tools/HEAD/src/sys/amd64/amd64/exception.S:230 > #8 0xffffffff8081093b in kdb_enter (why=0xffffffff80c6eecf "panic", > msg=) at cpufunc.h:65 > #9 0xffffffff807cafc0 in vpanic (fmt=, > ap=0xfffffe000048c670) at > /usr/local/share/deploy-tools/HEAD/src/sys/kern/kern_shutdown.c:852 > #10 0xffffffff807cad70 in kassert_panic (fmt=) at > /usr/local/share/deploy-tools/HEAD/src/sys/kern/kern_shutdown.c:749 > #11 0xffffffff8081f538 in sleepq_add (wchan=0xfffff8000b015048, > lock=0xfffff8000b013cd0, wmesg=0xffffffff80c4d180 "cbwait", flags=0, > queue=0) > at /usr/local/share/deploy-tools/HEAD/src/sys/kern/subr_sleepqueue.c:319 > #12 0xffffffff807d50f1 in _sleep (ident=, > lock=, priority=92, wmesg=0xffffffff80c4d180 "cbwait", > #13 0xffffffff802f4a7d in cam_periph_runccb (ccb=0xfffff8000b015000, > error_routine=0xffffffff8031ddd0 , camflags=CAM_RETRY_SELTO, > sense_flags=3, > ds=0xfffff80003588000) at > /usr/local/share/deploy-tools/HEAD/src/sys/cam/cam_periph.c:1141 > #14 0xffffffff8031d69a in cdcheckmedia (periph=0xfffff8000b11c100) at > /usr/local/share/deploy-tools/HEAD/src/sys/cam/scsi/scsi_cd.c:808 > #15 0xffffffff80319cf5 in cdstrategy (bp=0xfffff800ccdd4300) at > /usr/local/share/deploy-tools/HEAD/src/sys/cam/scsi/scsi_cd.c:848 > #16 0xffffffff8070e274 in g_disk_start (bp=) at > /usr/local/share/deploy-tools/HEAD/src/sys/geom/geom_disk.c:478 > #17 0xffffffff80712255 in g_io_schedule_down (tp=) > at /usr/local/share/deploy-tools/HEAD/src/sys/geom/geom_io.c:893 > #18 0xffffffff80712a7d in g_down_procbody (arg=) at > /usr/local/share/deploy-tools/HEAD/src/sys/geom/geom_kern.c:111 > #19 0xffffffff8078aa74 in fork_exit (callout=0xffffffff80712a10 > , arg=0x0, frame=0xfffffe000048cac0) > at /usr/local/share/deploy-tools/HEAD/src/sys/kern/kern_fork.c:1039 > #20 0xffffffff80ae804e in fork_trampoline () at > /usr/local/share/deploy-tools/HEAD/src/sys/amd64/amd64/exception.S:971 > #21 0x0000000000000000 in ?? () > Current language: auto; currently minima > > Since I see many geom/cam issues show up here at scsi@, I thought this > was the right place to report. > Please correct me if wrong. > > Observed with r3333xx (HEAD from today and about two days back) – > haven't run HEAD before, so no indication of recent regression! -- Andriy Gapon