Attachment 178604 Details for Bug 215856 – g_dev_orphan(): Return early if the device is already gone

[patch] g_dev_orphan(): Return early if the device is already gone

g_dev_orphan-Return-early-if-the-device-is-already-gone.diff (text/plain), 21.85 KB, created by Fabian Keil on 2017-01-07 17:03:14 UTC

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Creator: Fabian Keil

Created: 2017-01-07 17:03:14 UTC

Size: 21.85 KB

patch

obsolete

>From 004c0dd213a288ad2b85ab4000de0cb62b688f99 Mon Sep 17 00:00:00 2001
>From: Fabian Keil <fk@fabiankeil.de>
>Date: Fri, 30 Dec 2016 16:54:28 +0100
>Subject: [PATCH] g_dev_orphan(): Return early if the device is already gone
>
>Supposed to fix a panic that could occur while running
>"cdcontrol eject" after using the physical ejection key
>on the device:
>
> Unread portion of the kernel message buffer:
> stack pointer	        = 0x28:0xfffffe01eba0a9e0
> frame pointer	        = 0x28:0xfffffe01eba0a9f0
> 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	= 13 (g_event)
> trap number		= 12
> panic: page fault
> cpuid = 3
> KDB: stack backtrace:
> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe01eba0a560
> vpanic() at vpanic+0x182/frame 0xfffffe01eba0a5e0
> panic() at panic+0x43/frame 0xfffffe01eba0a640
> trap_fatal() at trap_fatal+0x331/frame 0xfffffe01eba0a6a0
> trap_pfault() at trap_pfault+0x1e3/frame 0xfffffe01eba0a700
> trap() at trap+0x273/frame 0xfffffe01eba0a910
> calltrap() at calltrap+0x8/frame 0xfffffe01eba0a910
> --- trap 0xc, rip = 0xffffffff80500fde, rsp = 0xfffffe01eba0a9e0, rbp = 0xfffffe01eba0a9f0 ---
> g_dev_orphan() at g_dev_orphan+0x2e/frame 0xfffffe01eba0a9f0
> g_resize_provider_event() at g_resize_provider_event+0x71/frame 0xfffffe01eba0aa20
> g_run_events() at g_run_events+0x20e/frame 0xfffffe01eba0aa70
> fork_exit() at fork_exit+0x85/frame 0xfffffe01eba0aab0
> fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe01eba0aab0
> --- trap 0, rip = 0, rsp = 0, rbp = 0 ---
> Uptime: 3h17m41s
> Dumping 1120 out of 8055 MB:..2%..12%..22%..32%..42%..52%..62%..72%..82%..92%
>
> Reading symbols from /usr/lib/debug/boot/kernel/zfs.ko.debug...done.
> [...]
> Loaded symbols for /usr/lib/debug/boot/kernel/iicbb.ko.debug
> #0  doadump (textdump=1) at pcpu.h:222
> 222	pcpu.h: No such file or directory.
> 	in pcpu.h
> (kgdb) where
> #0  doadump (textdump=1) at pcpu.h:222
> #1  0xffffffff805cce3e in kern_reboot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:366
> #2  0xffffffff805cd40b in vpanic (fmt=<value optimized out>, ap=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:759
> #3  0xffffffff805cd243 in panic (fmt=0x0) at /usr/src/sys/kern/kern_shutdown.c:690
> #4  0xffffffff808eece1 in trap_fatal (frame=0xfffffe01eba0a920, eva=8) at /usr/src/sys/amd64/amd64/trap.c:801
> #5  0xffffffff808eeed3 in trap_pfault (frame=0xfffffe01eba0a920, usermode=0) at /usr/src/sys/amd64/amd64/trap.c:658
> #6  0xffffffff808ee4d3 in trap (frame=0xfffffe01eba0a920) at /usr/src/sys/amd64/amd64/trap.c:421
> #7  0xffffffff808d2701 in calltrap () at /usr/src/sys/amd64/amd64/exception.S:236
> #8  0xffffffff80500fde in g_dev_orphan (cp=0xfffff800069e6280) at /usr/src/sys/geom/geom_dev.c:754
> #9  0xffffffff80509ff1 in g_resize_provider_event (arg=<value optimized out>, flag=<value optimized out>) at /usr/src/sys/geom/geom_subr.c:631
> #10 0xffffffff80504f1e in g_run_events () at /usr/src/sys/geom/geom_event.c:264
> #11 0xffffffff805830e5 in fork_exit (callout=0xffffffff805079c0 <g_event_procbody>, arg=0x0, frame=0xfffffe01eba0aac0) at /usr/src/sys/kern/kern_fork.c:1040
> #12 0xffffffff808d2c3e in fork_trampoline () at /usr/src/sys/amd64/amd64/exception.S:611
> #13 0x0000000000000000 in ?? ()
> Current language:  auto; currently minimal
> (kgdb) f 8
> #8  0xffffffff80500fde in g_dev_orphan (cp=0xfffff800069e6280) at /usr/src/sys/geom/geom_dev.c:754
> 754		g_trace(G_T_TOPOLOGY, "g_dev_orphan(%p(%s))", cp, cp->geom->name);
> (kgdb) p cp
> $1 = (struct g_consumer *) 0xfffff800069e6280
> (kgdb) p cp->geom
> $2 = (struct g_geom *) 0xfffff801acd6d100
> (kgdb) p cp->geom->name
> $3 = 0xfffff8007479bf60 "cd0"
> (kgdb) f 8
> #8  0xffffffff80500fde in g_dev_orphan (cp=0xfffff800069e6280) at /usr/src/sys/geom/geom_dev.c:754
> 754		g_trace(G_T_TOPOLOGY, "g_dev_orphan(%p(%s))", cp, cp->geom->name);
> (kgdb) l
> 754		g_trace(G_T_TOPOLOGY, "g_dev_orphan(%p(%s))", cp, cp->geom->name);
> 755
> 756		/* Reset any dump-area set on this device */
> 757		if (dev->si_flags & SI_DUMPDEV)
> 758			(void)set_dumper(NULL, NULL, curthread);
> 759
> 760		/* Destroy the struct cdev *so we get no more requests */
> 761		destroy_dev_sched_cb(dev, g_dev_callback, cp);
> 762	}
> 763
> (kgdb) p dev->si_flags
> Cannot access memory at address 0x8
> (kgdb) p dev
> $4 = (struct cdev *) 0x0
>
>Last message before the panic:
>
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c1 00 00 01 00
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): Retrying command (per sense data)
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c1 00 00 01 00
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): Error 5, Retries exhausted
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): cddone: got error 0x5 back
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c1 00 00 01 00
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): Retrying command (per sense data)
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c1 00 00 01 00
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): Error 5, Retries exhausted
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): cddone: got error 0x5 back
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c0 00 00 01 00
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): Retrying command (per sense data)
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c0 00 00 01 00
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): Error 5, Retries exhausted
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): cddone: got error 0x5 back
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c0 00 00 01 00
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): Retrying command (per sense data)
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c0 00 00 01 00
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): Error 5, Retries exhausted
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): cddone: got error 0x5 back
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c1 00 00 01 00
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): Retrying command (per sense data)
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c1 00 00 01 00
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): Error 5, Retries exhausted
>Dec 30 16:09:23 t520 kernel: (cd0:ahcich1:0:0:0): cddone: got error 0x5 back
>Dec 30 16:09:24 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c1 00 00 01 00
>Dec 30 16:09:24 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:24 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:24 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:24 t520 kernel: (cd0:ahcich1:0:0:0): Retrying command (per sense data)
>Dec 30 16:09:24 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c1 00 00 01 00
>Dec 30 16:09:24 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:24 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:24 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:24 t520 kernel: (cd0:ahcich1:0:0:0): Error 5, Retries exhausted
>Dec 30 16:09:24 t520 kernel: (cd0:ahcich1:0:0:0): cddone: got error 0x5 back
>Dec 30 16:09:26 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c1 00 00 01 00
>Dec 30 16:09:26 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:26 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:26 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:26 t520 kernel: (cd0:ahcich1:0:0:0): Retrying command (per sense data)
>Dec 30 16:09:26 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c1 00 00 01 00
>Dec 30 16:09:26 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:26 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:26 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:26 t520 kernel: (cd0:ahcich1:0:0:0): Error 5, Retries exhausted
>Dec 30 16:09:26 t520 kernel: (cd0:ahcich1:0:0:0): cddone: got error 0x5 back
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c1 00 00 01 00
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): Retrying command (per sense data)
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c1 00 00 01 00
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): Error 5, Retries exhausted
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): cddone: got error 0x5 back
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c1 00 00 01 00
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): Retrying command (per sense data)
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c1 00 00 01 00
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): Error 5, Retries exhausted
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): cddone: got error 0x5 back
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c0 00 00 01 00
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): Retrying command (per sense data)
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c0 00 00 01 00
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): Error 5, Retries exhausted
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): cddone: got error 0x5 back
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c0 00 00 01 00
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): Retrying command (per sense data)
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c0 00 00 01 00
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): Error 5, Retries exhausted
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): cddone: got error 0x5 back
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c1 00 00 01 00
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): Retrying command (per sense data)
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c1 00 00 01 00
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): Error 5, Retries exhausted
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): cddone: got error 0x5 back
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c1 00 00 01 00
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): Retrying command (per sense data)
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 39 c6 c1 00 00 01 00
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: ILLEGAL REQUEST asc:6f,3 (Read of scrambled sector without authentication)
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): Error 5, Retries exhausted
>Dec 30 16:09:33 t520 kernel: (cd0:ahcich1:0:0:0): cddone: got error 0x5 back
>Dec 30 16:33:49 t520 kernel: ahcich1: Timeout on slot 8 port 0
>Dec 30 16:33:49 t520 kernel: ahcich1: is 00000000 cs 00000100 ss 00000000 rs 00000100 tfd d0 serr 00000000 cmd 000cc817
>Dec 30 16:33:49 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 3e a2 eb 00 00 01 00
>Dec 30 16:33:49 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: Command timeout
>Dec 30 16:33:49 t520 kernel: (cd0:ahcich1:0:0:0): Retrying command
>Dec 30 16:33:57 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 3e a2 eb 00 00 01 00
>Dec 30 16:33:57 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:33:57 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:33:57 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: MEDIUM ERROR asc:10,0 (ID CRC or ECC error)
>Dec 30 16:33:57 t520 kernel: (cd0:ahcich1:0:0:0): Error 5, Retries exhausted
>Dec 30 16:33:57 t520 kernel: (cd0:ahcich1:0:0:0): cddone: got error 0x5 back
>Dec 30 16:34:05 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 3e a2 ad 00 00 04 00
>Dec 30 16:34:05 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:34:05 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:34:05 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: MEDIUM ERROR asc:10,0 (ID CRC or ECC error)
>Dec 30 16:34:05 t520 kernel: (cd0:ahcich1:0:0:0): Retrying command (per sense data)
>Dec 30 16:34:14 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 3e a2 ad 00 00 04 00
>Dec 30 16:34:14 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:34:14 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:34:14 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: MEDIUM ERROR asc:10,0 (ID CRC or ECC error)
>Dec 30 16:34:14 t520 kernel: (cd0:ahcich1:0:0:0): Error 5, Retries exhausted
>Dec 30 16:34:14 t520 kernel: (cd0:ahcich1:0:0:0): cddone: got error 0x5 back
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 3e a2 eb 00 00 01 00
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: NOT READY asc:3a,0 (Medium not present)
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): Error 6, Unretryable error
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): cddone: got error 0x6 back
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 3e a2 ea 00 00 01 00
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: NOT READY asc:3a,0 (Medium not present)
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): Error 6, Unretryable error
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): cddone: got error 0x6 back
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 3e a2 ea 00 00 01 00
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: NOT READY asc:3a,0 (Medium not present)
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): Error 6, Unretryable error
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): cddone: got error 0x6 back
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): READ(10). CDB: 28 00 00 3e a2 eb 00 00 01 00
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): CAM status: SCSI Status Error
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): SCSI status: Check Condition
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): SCSI sense: NOT READY asc:3a,0 (Medium not present)
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): Error 6, Unretryable error
>Dec 30 16:34:18 t520 kernel: (cd0:ahcich1:0:0:0): cddone: got error 0x6 back
>
>Obtained from: ElectroBSD
>---
> sys/geom/geom_dev.c | 3 +++
> 1 file changed, 3 insertions(+)
>
>diff --git a/sys/geom/geom_dev.c b/sys/geom/geom_dev.c
>index d74b92e59776..543df1db3614 100644
>--- a/sys/geom/geom_dev.c
>+++ b/sys/geom/geom_dev.c
>@@ -753,6 +753,9 @@ g_dev_orphan(struct g_consumer *cp)
> 	dev = sc->sc_dev;
> 	g_trace(G_T_TOPOLOGY, "g_dev_orphan(%p(%s))", cp, cp->geom->name);
> 
>+	if (dev == NULL)
>+		 return;
>+
> 	/* Reset any dump-area set on this device */
> 	if (dev->si_flags & SI_DUMPDEV)
> 		(void)set_dumper(NULL, NULL, curthread);
>-- 
>2.11.0
>

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Attachments on bug 215856: 178604