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Subject2.1.48 problems (NFS, Oops and more)
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Hi!

Since this I my first post here, I will first take the opportunity to
thank the free software developers who read this. I have used Linux
almost every day for more than two years. My new computer, a PPro,
uses Linux as it's only OS. I have tried a 2.1.48 kernel for a few
hours, it works much better than the last 2.1.xx kernel I tried, but:

First a minor problem: When running large jobs in the background, the
machine suddenly freezes up for a few seconds while swapping, making
even typing text impossible. The 2.0 kernels does not behave like that.

Secondly (this may be a more serious problem),
something odd happened to one of my data files:

<snip>
0.10097E-10 0.23410E+01 0.12000E+02
0.72638E+00 0.23245E+01 0.12000E+02
0.14578E+01 0.22764E+01 0.12000E+02
0.22007E+01 0.22007E+01 0.12000E+02
0.29648E+01 0.21056E+01 0.12000E+02
0.37644E^@^@^@^@ 0.20038E+01 0.12000E+02
-0.43301E+01 0.25000E+01 0.12000E+02
-0.35523E+01 0.26547E+01 0.12000E+02
<snip>

What is the "^@^@^@^@" doing in there? It was not there 2 minutes ago
when I used it as input file to a CFD post processor. No one has
edited the file (confirmed by the time stamp). The file was on a 2MB
e2fs partition on a Quantum Fireball.


And finally: Several problems with NFS
(mounted partitions from a HP file server):

NFS seems slow and complains a lot about:
Aug 8 13:29:08 immpc17 kernel: NFS: short packet in readdir reply!

And sometimes:
Aug 8 08:56:13 immpc17 kernel: NFS: giant filename in readdir (len 40e5ddc1)!
Aug 8 08:56:13 immpc17 kernel: NFS: should not happen in nfs_xdr_readdirres!



Can someone please explain these boot messages:

autoprobing (not recommended) for a single card.
loading device 'eth0'...
3c503.c:v1.10 9/23/93 Donald Becker (becker@cesdis.gsfc.nasa.gov)
eth0: 3c503 at i/o base 0x300, node 02 60 8c 44 60 b5, using internal xcvr.

eth0: 3c503-PIO, 8kB RAM, using programmed I/O (REJUMPER for SHARED MEMORY).
eth0 UP fl=00001043 pa=2F9FF181/0000FFFF brd=FFFFF181 dst=00000000
eth0 changes netmask 0000FFFF -> 00FFFFFF
eth0 changes brd FFFFF181 -> FF9FF181
route forgot to specify route netmask.
portmap: RPC call returned error 111
RPC: task of released request still queued!
RPC: (task is on xprt_pending)
portmap: RPC call returned error 111
RPC: task of released request still queued!
RPC: (task is on xprt_pending)



A couple of Oops, this one crashed a bash and left xterm hanging:

Aug 8 13:29:08 immpc17 kernel: NFS: short packet in readdir reply!
Aug 8 13:29:26 immpc17 last message repeated 2 times
Aug 8 13:34:45 immpc17 kernel: NFS: short packet in readdir reply!
Aug 8 13:38:57 immpc17 kernel: Unable to handle kernel paging request at virtual address b2bf4ec7
Aug 8 13:38:57 immpc17 kernel: current->tss.cr3 = 00468000, 0r3 = 00468000
Aug 8 13:38:57 immpc17 kernel: current->tss.cr3 = 00468000, 0r3 = 00468000
Aug 8 13:38:57 immpc17 kernel: *pde = 00000000
Aug 8 13:38:57 immpc17 kernel: Oops: 0000
Aug 8 13:38:57 immpc17 kernel: CPU: 0
Aug 8 13:38:57 immpc17 kernel: EIP: 0010:[<c014b739>]
Aug 8 13:38:57 immpc17 kernel: EFLAGS: 00010683
Aug 8 13:38:57 immpc17 kernel: eax: c12ebd3d ebx: c27b6004 ecx: f043eec4 edx: b2bf4ec7
Aug 8 13:38:57 immpc17 kernel: esi: b2bf4ec7 edi: c12ebd3d ebp: f043eec4 esp: c039dde8
Aug 8 13:38:57 immpc17 kernel: ds: 0018 es: 0018 ss: 0018
Aug 8 13:38:57 immpc17 kernel: Process bash (pid: 1870, process nr: 35, stackpage=c039d000)
Aug 8 13:38:57 immpc17 kernel: Stack: c039de7c c0005aa0 c014b5e8 c03fa130 c27b6000 d0eace7a 000000cc c12ebcc0
Aug 8 13:38:57 immpc17 kernel: c0172ca7 c03fa130 c36e3818 c039df1c c039de7c c039c000 00000000 c039c000
Aug 8 13:38:57 immpc17 kernel: c0175202 c039de7c 00000000 c039c000 00000000 00000000 00000000 c0175388
Aug 8 13:38:57 immpc17 kernel: Call Trace: [<c014b5e8>] [<c0172ca7>] [<c0175202>] [<c0175388>] [<c01724f6>] [<c0173cc8>] [<c014aefb>]
Aug 8 13:38:57 immpc17 kernel: [<c0149881>] [<c0131799>] [<c0131570>] [<c01098fa>]
Aug 8 13:38:57 immpc17 kernel: Code: f3 a4 fc 8d 45 03 24 fc 01 c3 8b 03 83 c3 04 0f c8 8b 4c 24


EIP: 014b739: nm /usr/src/linux/vmlinux |sort|less
<snip>
c014b558 t nfs_xdr_readdirargs
c014b5e8 t nfs_xdr_readdirres
c014b79c t nfs_xdr_dec_void
c014b7a0 t nfs_xdr_stat
c014b7b8 t nfs_xdr_attrstat
<snip>

--
Viggo

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