Date: Sun, 11 Mar 2018 08:18:47 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 226510] Panic in da_periph_acquire() Message-ID: <bug-226510-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D226510 Bug ID: 226510 Summary: Panic in da_periph_acquire() Product: Base System Version: CURRENT Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: novel@FreeBSD.org >From time to time on my desktop system running fairly fresh current I get a panic with the following trace: (kgdb) bt #0 __curthread () at ./machine/pcpu.h:230 #1 doadump (textdump=3D0) at /usr/src/sys/kern/kern_shutdown.c:347 #2 0xffffffff8040a96b in db_dump (dummy=3D<optimized out>, dummy2=3D<unava= ilable>, dummy3=3D<unavailable>, dummy4=3D<unavailable>) at /usr/src/sys/ddb/db_command.c:574 #3 0xffffffff8040a739 in db_command (last_cmdp=3D<optimized out>, cmd_table=3D<optimized out>, dopager=3D<optimized out>) at /usr/src/sys/ddb/db_command.c:481 #4 0xffffffff8040a4b4 in db_command_loop () at /usr/src/sys/ddb/db_command.c:534 #5 0xffffffff8040d6df in db_trap (type=3D<optimized out>, code=3D<optimize= d out>) at /usr/src/sys/ddb/db_main.c:250 #6 0xffffffff80b18ff3 in kdb_trap (type=3D3, code=3D-61456, tf=3D<optimize= d out>) at /usr/src/sys/kern/subr_kdb.c:697 #7 0xffffffff80f8b868 in trap (frame=3D0xfffffe005b975750) at /usr/src/sys/amd64/amd64/trap.c:547 #8 <signal handler called> #9 kdb_enter (why=3D0xffffffff811f9f80 "panic", msg=3D<optimized out>) at /usr/src/sys/kern/subr_kdb.c:479 #10 0xffffffff80ad3dca in vpanic (fmt=3D<optimized out>, ap=3D0xfffffe005b9= 758c0) at /usr/src/sys/kern/kern_shutdown.c:801 #11 0xffffffff80ad3e53 in panic (fmt=3D0xffffffff81be33f8 <cnputs_mtx> "\266;\034\201\377\377\377\377") at /usr/src/sys/kern/kern_shutdown.c:739 #12 0xffffffff80369c57 in da_periph_acquire (periph=3D<optimized out>, token=3DDA_REF_TUR) at /usr/src/sys/cam/scsi/scsi_da.c:1574 #13 damediapoll (arg=3D0xfffff80004bf2300) at /usr/src/sys/cam/scsi/scsi_da.c:5668 #14 0xffffffff80aebd00 in softclock_call_cc (c=3D0xfffffe0069c15a68, cc=3D0xffffffff81df2ac0 <cc_cpu>, direct=3D<optimized out>) at /usr/src/sys/kern/kern_timeout.c:731 #15 0xffffffff80aec0cc in softclock (arg=3D0xffffffff81df2ac0 <cc_cpu>) at /usr/src/sys/kern/kern_timeout.c:869 #16 0xffffffff80a96cc9 in intr_event_execute_handlers (p=3D<optimized out>, ie=3D0xfffff80003826200) at /usr/src/sys/kern/kern_intr.c:1338 #17 0xffffffff80a973b7 in ithread_execute_handlers (ie=3D<optimized out>, p=3D<optimized out>) at /usr/src/sys/kern/kern_intr.c:1351 #18 ithread_loop (arg=3D0xfffff8000382f120) at /usr/src/sys/kern/kern_intr.= c:1432 #19 0xffffffff80a94104 in fork_exit (callout=3D0xffffffff80a97300 <ithread_= loop>, arg=3D0xfffff8000382f120, frame=3D0xfffffe005b975ac0) at /usr/src/sys/kern/kern_fork.c:1039 #20 <signal handler called> (kgdb) Sources version: Last Changed Rev: 330676 Last Changed Date: 2018-03-09 04:50:40 +0400 (Fri, 09 Mar 2018) The only da(4) device I had when it paniced was: da0 at umass-sim0 bus 0 scbus4 target 0 lun 0=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 da0: <Multi Flash Reader 1.00> Removable Direct Access SCSI device=20=20=20= =20=20=20=20=20=20=20=20=20=20=20 da0: Serial Number 058F0O1111B1=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20 da0: 40.000MB/s transfers=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20 da0: Attempt to query device size failed: NOT READY, Medium not present=20= =20=20=20=20=20=20=20=20 da0: quirks=3D0x2<NO_6_BYTE>=20=20 This is a flash card reader, and usually it stays connected, but without fl= ash cards attached to it. In other words, I didn't do anything with it to trigg= er a panic. --=20 You are receiving this mail because: You are the assignee for the bug.=
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