Re: CRC error prevents hammer reblock. What to do?

[Jan Lentfer <Jan.Lentfer@xxxxxx>]

I also got a kernel dump this night. I couldn't restore the dump until now
because of some issues with dumpdev not being swap. But this might be
related

Unread portion of the kernel message buffer:
panic: assertion: bcmp(&elm->leaf, &leaf, sizeof(leaf)) == 0 in
hammer_reblock_helper
Trace beginning at frame 0xd914f724
panic(d914f748,d914f7f4,c3047bc0,d914f7b4,d914f8ac) at panic+0x8c
panic(c0597763,c0603ed8,c0582e58,c3047b80,0) at panic+0x8c
hammer_ioc_reblock(d914fa58,d33e16d0,c2b19540,d914f964,d914f8d8) at
hammer_ioc_reblock+0x41f
hammer_ioctl(d33e16d0,c0e06803,c2b19540,1,cd7f3478) at hammer_ioctl+0x6b4
hammer_vop_ioctl(d914fac8,d914fabc,c2c732b4,c2c732b4,d0a0d8f0) at
hammer_vop_ioctl+0x2f
vop_ioctl(d0a1b8d0,c2b95ee8,c0e06803,c2b19540,1) at vop_ioctl+0x58
vn_ioctl(cd82d710,c0e06803,c2b19540,cd7f3478,d914fcf0) at vn_ioctl+0xe0
mapped_ioctl(3,c0e06803,bfbff798,0,d914fcf0) at mapped_ioctl+0x3e4
sys_ioctl(d914fcf0,6,0,0,d06032d0) at sys_ioctl+0x17
syscall2(d914fd40) at syscall2+0x20e
Xint0x80_syscall() at Xint0x80_syscall+0x36
Uptime: 2d4h6m49s
Physical memory: 999 MB
Dumping 338 MB: 323 307 291 275 259 243 227 211 195 179 163 147 131 115 99
83 67 51 35 19 3

Reading symbols from /boot/modules/if_gif.ko...done.
Loaded symbols for /boot/modules/if_gif.ko
Reading symbols from /boot/modules/if_tap.ko...done.
Loaded symbols for /boot/modules/if_tap.ko
Reading symbols from /boot/modules/if_tun.ko...done.
Loaded symbols for /boot/modules/if_tun.ko
Reading symbols from /boot/modules/uchcom.ko...done.
Loaded symbols for /boot/modules/uchcom.ko
Reading symbols from /boot/modules/ucom.ko...done.
Loaded symbols for /boot/modules/ucom.ko
Reading symbols from /boot/modules/acpi.ko...done.
Loaded symbols for /boot/modules/acpi.ko
_get_mycpu (di=0xc06b0d60) at ./machine/thread.h:83
83      ./machine/thread.h: No such file or directory.
        in ./machine/thread.h
(kgdb) backtrace
#0  _get_mycpu (di=0xc06b0d60) at ./machine/thread.h:83
#1  md_dumpsys (di=0xc06b0d60) at
/home/lentferj/repo/src/sys/platform/pc32/i386/dump_machdep.c:264
#2  0xc0324746 in dumpsys () at
/home/lentferj/repo/src/sys/kern/kern_shutdown.c:838
#3  0xc0324cc1 in boot (howto=260) at
/home/lentferj/repo/src/sys/kern/kern_shutdown.c:387
#4  0xc0324de2 in panic (fmt=0xc0597763 "assertion: %s in %s") at
/home/lentferj/repo/src/sys/kern/kern_shutdown.c:744
#5  0xc04a9baf in hammer_reblock_helper (trans=0xd914fa58, ip=0xd33e16d0,
reblock=0xc2b19540)
    at /home/lentferj/repo/src/sys/vfs/hammer/hammer_reblock.c:309
#6  hammer_ioc_reblock (trans=0xd914fa58, ip=0xd33e16d0,
reblock=0xc2b19540)
    at /home/lentferj/repo/src/sys/vfs/hammer/hammer_reblock.c:170
#7  0xc049feac in hammer_ioctl (ip=0xd33e16d0, com=3235932163,
data=0xc2b19540 "", fflag=1, cred=0xcd7f3478)
    at /home/lentferj/repo/src/sys/vfs/hammer/hammer_ioctl.c:86
#8  0xc04b3a70 in hammer_vop_ioctl (ap=0xd914fac8) at
/home/lentferj/repo/src/sys/vfs/hammer/hammer_vnops.c:2431
#9  0xc0380ec9 in vop_ioctl (ops=0xd0a1b8d0, vp=0xc2b95ee8,
command=3235932163, data=0xc2b19540 "", fflag=1,
    cred=0xcd7f3478, msg=0xd914fcf0) at
/home/lentferj/repo/src/sys/kern/vfs_vopops.c:453
#10 0xc037f30a in vn_ioctl (fp=0xcd82d710, com=3235932163, data=0xc2b19540
"", ucred=0xcd7f3478, msg=0xd914fcf0)
    at /home/lentferj/repo/src/sys/kern/vfs_vnops.c:936
#11 0xc0344d13 in fo_ioctl (fd=3, com=3235932163, uspc_data=0xbfbff798
<Address 0xbfbff798 out of bounds>, map=0x0,
    msg=0xd914fcf0) at /home/lentferj/repo/src/sys/sys/file2.h:88
#12 mapped_ioctl (fd=3, com=3235932163, uspc_data=0xbfbff798 <Address
0xbfbff798 out of bounds>, map=0x0, msg=0xd914fcf0)
    at /home/lentferj/repo/src/sys/kern/sys_generic.c:705
#13 0xc0344d9c in sys_ioctl (uap=0xd914fcf0) at
/home/lentferj/repo/src/sys/kern/sys_generic.c:527
#14 0xc054a300 in syscall2 (frame=0xd914fd40) at
/home/lentferj/repo/src/sys/platform/pc32/i386/trap.c:1319
---Type <return> to continue, or q <return> to quit---
---Type <return> to continue, or q <return> to quit---#15 0xc0539036 in
Xint0x80_syscall () at
/home/lentferj/repo/src/sys/platform/pc32/i386/exception.s:876
#16 0x0000001f in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
(kgdb)


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