Email: cy@FreeBSD.org

With all the projects on the go I wish I could clone msyelf.

Things I am working on are:

• A working low level USB floppy format function.
• A number of screen port fix-ups.
• Various ports are confused between MIT and base system (Heimdal) Kerberos libraries.
• ZFS Tuning on small memory hardware. See ZFSTuningGuide.

The following should probably go into its own wiki page. I'll put it here when I have a better idea of what is happening:

• I'm getting ZFS corruption in a zpool on my testbed. Shortly prior to or after that I see console messages in regard to g_vfs_done errors with large offsets or negative offests on one of my UFS2 filesystems.
• Another issue I'm having is writing to a UFS filesystem on a ZVOL:
  • Tracing pid 1234 tid 100106 td 0xc4f5c440
    kdb_enter_why(c082d9e9,c082d9e9,c082c4e6,f3c28abc,0,…) at kdb_enter_why+0x3a
    panic(c082c4e6,c0832f87,c082af39,d6,f3c28b0c,…) at panic+0x12c
    _mtx_assert(cfd5f088,14,c082af39,d6,c08c2474,…) at _mtx_assert+0xbe
    _lockmgr(cfd5f058,3002,cfd5f088,c4f5c440,c083a064,…) at _lockmgr+0x88
    ffs_lock(f3c28b78,4,1002,1002,cfd5f000,…) at ffs_lock+0x91
    VOP_LOCK1_APV(c088f3a0,f3c28b78,c083a064,327,cfd5f088,…) at VOP_LOCK1_APV+0xa5
    _vn_lock(cfd5f000,1002,c4f5c440,c083a064,242,…) at _vn_lock+0xf8
    vn_write(c519d828,f3c28c60,c50c7900,0,c4f5c440,…) at vn_write+0x15b
    dofilewrite(f3c28c60,ffffffff,ffffffff,0,c519d828,…) at dofilewrite+0x95
    kern_writev(c4f5c440,4,f3c28c60,8e23000,116bb,…) at kern_writev+0x58
    write(c4f5c440,f3c28cfc,c,f3c28ccc,c08708e0,…) at write+0x4f
    syscall(f3c28d38) at syscall+0x2b3
    Xint0x80_syscall() at Xint0x80_syscall+0x20
    — syscall (4, FreeBSD ELF32, write), eip = 0x281b5573, esp = 0xbfbfc0cc, ebp = 0xbfbfc0e8 —

• A PR should be opened however I will gather more information before proceeding with that.

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