Date: Thu, 16 Jun 2016 08:41:56 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 210316] panic after trying to r/w mount msdosfs on write protected media Message-ID: <bug-210316-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=210316 Bug ID: 210316 Summary: panic after trying to r/w mount msdosfs on write protected media Product: Base System Version: 11.0-CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: avg@FreeBSD.org At first there were some error messages: (da1:umass-sim0:0:0:1): WRITE(10). CDB: 2a 20 00 00 00 04 00 00 08 00 (da1:umass-sim0:0:0:1): CAM status: SCSI Status Error (da1:umass-sim0:0:0:1): SCSI status: Check Condition (da1:umass-sim0:0:0:1): SCSI sense: DATA PROTECT asc:27,0 (Write protected) (da1:umass-sim0:0:0:1): Error 19, Unretryable error g_vfs_done():da1s1[WRITE(offset=512, length=4096)]error = 19 (da1:umass-sim0:0:0:1): WRITE(10). CDB: 2a 20 00 00 00 04 00 00 08 00 (da1:umass-sim0:0:0:1): CAM status: SCSI Status Error (da1:umass-sim0:0:0:1): SCSI status: Check Condition (da1:umass-sim0:0:0:1): SCSI sense: DATA PROTECT asc:27,0 (Write protected) (da1:umass-sim0:0:0:1): Error 19, Unretryable error g_vfs_done():da1s1[WRITE(offset=512, length=4096)]error = 19 (da1:umass-sim0:0:0:1): WRITE(10). CDB: 2a 20 00 00 00 04 00 00 08 00 (da1:umass-sim0:0:0:1): CAM status: SCSI Status Error (da1:umass-sim0:0:0:1): SCSI status: Check Condition (da1:umass-sim0:0:0:1): SCSI sense: DATA PROTECT asc:27,0 (Write protected) (da1:umass-sim0:0:0:1): Error 19, Unretryable error g_vfs_done():da1s1[WRITE(offset=512, length=4096)]error = 19 fsync: giving up on dirty 0xfffff802c126c938: tag devfs, type VCHR usecount 1, writecount 0, refcount 9 mountedhere 0xfffff80168b65000 flags (VI_ACTIVE) v_object 0xfffff8029ed6e318 ref 0 pages 6 cleanbuf 6 dirtybuf 1 lock type devfs: UNLOCKED dev da1s1 (da1:umass-sim0:0:0:1): SYNCHRONIZE CACHE(10). CDB: 35 20 00 00 00 00 00 00 00 00 (da1:umass-sim0:0:0:1): CAM status: SCSI Status Error (da1:umass-sim0:0:0:1): SCSI status: Check Condition (da1:umass-sim0:0:0:1): SCSI sense: DATA PROTECT asc:27,0 (Write protected) (da1:umass-sim0:0:0:1): Error 19, Unretryable error g_vfs_done():da1s1[WRITE(offset=512, length=4096)]error = 1 fsync: giving up on dirty 0xfffff802c126c938: tag devfs, type VCHR usecount 1, writecount 0, refcount 12 mountedhere 0xfffff80168b65000 flags (VI_ACTIVE) v_object 0xfffff8029ed6e318 ref 0 pages 10 cleanbuf 9 dirtybuf 1 lock type devfs: UNLOCKED dev da1s1 And then BOOM: Fatal trap 9: general protection fault while in kernel mode cpuid = 2; apic id = 02 instruction pointer = 0x20:0xffffffff8061eb51 stack pointer = 0x28:0xfffffe0517dff8a0 frame pointer = 0x28:0xfffffe0517dff910 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 25 (syncer) trap number = 9 panic: general protection fault cpuid = 2 KDB: stack backtrace: db_trace_self_wrapper() at 0xffffffff80420f0b = db_trace_self_wrapper+0x2b/frame 0xfffffe0517dff400 kdb_backtrace() at 0xffffffff80673439 = kdb_backtrace+0x39/frame 0xfffffe0517dff4b0 vpanic() at 0xffffffff8063c94c = vpanic+0x14c/frame 0xfffffe0517dff4f0 panic() at 0xffffffff8063c693 = panic+0x43/frame 0xfffffe0517dff550 trap_fatal() at 0xffffffff8083e99f = trap_fatal+0x33f/frame 0xfffffe0517dff5b0 trap() at 0xffffffff8083e603 = trap+0x823/frame 0xfffffe0517dff7c0 trap_check() at 0xffffffff8083ecba = trap_check+0x2a/frame 0xfffffe0517dff7e0 calltrap() at 0xffffffff808273ea = calltrap+0x8/frame 0xfffffe0517dff7e0 --- trap 0x9, rip = 0xffffffff8061eb51, rsp = 0xfffffe0517dff8b0, rbp = 0xfffffe0517dff910 --- __mtx_lock_flags() at 0xffffffff8061eb51 = __mtx_lock_flags+0x51/frame 0xfffffe0517dff910 g_vfs_strategy() at 0xffffffff805b8776 = g_vfs_strategy+0x36/frame 0xfffffe0517dff940 bstrategy() at 0xffffffff806cc946 = bstrategy+0x26/frame 0xfffffe0517dff950 bufwrite() at 0xffffffff806cab2e = bufwrite+0x20e/frame 0xfffffe0517dff9b0 bwrite() at 0xffffffff806cd8f6 = bwrite+0x26/frame 0xfffffe0517dff9c0 bawrite() at 0xffffffff806cd3ad = bawrite+0xd/frame 0xfffffe0517dff9d0 vop_stdfsync() at 0xffffffff806d7660 = vop_stdfsync+0x1a0/frame 0xfffffe0517dffa20 devfs_fsync() at 0xffffffff80531d66 = devfs_fsync+0x26/frame 0xfffffe0517dffa50 VOP_FSYNC_APV() at 0xffffffff80884be0 = VOP_FSYNC_APV+0x120/frame 0xfffffe0517dffaa0 VOP_FSYNC() at 0xffffffff806e7d58 = VOP_FSYNC+0x28/frame 0xfffffe0517dffad0 sync_vnode() at 0xffffffff806eb99d = sync_vnode+0x11d/frame 0xfffffe0517dffb20 sched_sync() at 0xffffffff806eb63e = sched_sync+0x23e/frame 0xfffffe0517dffb80 fork_exit() at 0xffffffff8060280f = fork_exit+0xdf/frame 0xfffffe0517dffbf0 fork_trampoline() at 0xffffffff8082791e = fork_trampoline+0xe/frame 0xfffffe0517dffbf0 -- You are receiving this mail because: You are the assignee for the bug.
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