Date: Sun, 7 Jul 2002 06:23:23 -0400 (EDT) From: Jeff Roberson <jroberson@chesapeake.net> To: Don Lewis <dl-freebsd@catspoiler.org> Cc: current@FreeBSD.ORG Subject: Re: cvs commit: src/sys/tools vnode_if.awk Message-ID: <20020707062124.Y25604-100000@mail.chesapeake.net> In-Reply-To: <200207070904.g6793v0M022279@gw.catspoiler.org>
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On Sun, 7 Jul 2002, Don Lewis wrote:
> On 7 Jul, Jeff Roberson wrote:
> > On Sat, 6 Jul 2002, Jeff Roberson wrote:
>
> >> - Use 'options DEBUG_VFS_LOCKS' instead of the DEBUG_ALL_VFS_LOCKS
> >> environment variable to enable the lock verifiction code.
>
> > If you have a crash test box I would appreciate it if you would enable
> > this kernel option. If it catches any errors you will be droped into the
> > debugger where you can get a backtrace (type: tr) and mail it to me &&
> > current@ to avoid dups.
>
> It wasn't able to sucessfully boot with this enabled. I'm hand
> transcribing this, so apologies for any typos:
>
> [fsck finishes]
> Doing initial network setup: host.conf hostname.
> VOP_READ: 0xc6737800 is not locked but should be
> Debugger("Lock violation.
> ")
>
>
> Debugger(c0420fe4) at Debugger+0x45
> vn_rdwr(0,c6737800,c6425000,55ac,0,0,1,8,c22c7200,df241aec,c22cc0c0) at
> vn_rdwr+0x18d
> linker_hints_lookup(c04750a0,c,c62df000,5,0) at
> linker_hints_lookup+0x2d9
> linker_search_module(c62df000,5,0,0,c0415120) at
> linker_search_module+0x43
> linker_load_module(0,c62df000,0,0,df241cdc) at linker_load_module+0x72
> kldload(c22cc0c0,df241d14,1,0,296) at kldload+0xc3
> syscall(...)
Oh, I don't use kernel modules on my main dev box. Thanks! I'll have
this resolved tomorrow. More below.
>
>
> If I disable the panic and continue the boot process, I see the
> following in dmesg:
>
>
> da0 at ahc0 bus 0 target 0 lun 0
> da0: <SEAGATE ST336706LW 010A> Fixed Direct Access SCSI-3 device
> da0: 160.000MB/s transfers (80.000MHz, offset 63, 16bit), Tagged Queueing Enable
> d
> da0: 35003MB (71687370 512 byte sectors: 255H 63S/T 4462C)
> /usr/src/sys/vm/uma_core.c:1332: could sleep with "kernel linker" locked from /u
> sr/src/sys/kern/kern_linker.c:1798
> VOP_READ: 0xc6737800 is not locked but should be
> VOP_GETVOBJECT: 0xc6737800 is not locked but should be
> VOP_GETVOBJECT: 0xc6737800 is not locked but should be
> VOP_BMAP: 0xc6737800 is not locked but should be
> VOP_GETVOBJECT: 0xc6737800 is not locked but should be
> VOP_GETVOBJECT: 0xc6737800 is not locked but should be
> VOP_READ: 0xc6737800 is not locked but should be
> VOP_READ: 0xc6737800 is not locked but should be
> VOP_READ: 0xc6737800 is not locked but should be
>
These are all also from the linker. I just verified by loading a module.
Thanks,
Jeff
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