nfs mount stalled, and kernel oops

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wolog

nfs mount stalled, and kernel oops

Post by wolog »

Hello,

I've 2 issues, but I'm not sure is they are related:

- I'm am able to browse nfs shares, but if I try to open a file, the system stalls. I've made some tests in telnet session: the df commands take several seconds to display the nfs mount points. And a dd if=/some/nfs/file of=/dev/null count=1 doesn't complete.

- taking a look at he demsg output, I noticed a ugly error message, pasted below.

<6>usb 1-2: Product: AX88772
<6>usb 1-2: Manufacturer: ASIX Elec. Corp.
<6>usb 1-2: SerialNumber: 000001
<6>usb 1-2: configuration #1 chosen from 1 choice
<6>Adding 21496k swap on swapfile. Priority:-1 extents:13 across:45244k SS
<6>gekko_gqr: Module loaded.
<6>gekko_gqr: GQRs pre-initialized.
<0>------------[ cut here ]------------
<3>Badness at c00b004c [verbose debug info unavailable]
<4>NIP: c00b004c LR: c00a61c8 CTR: c00e8db8
<4>REGS: c0e2bda0 TRAP: 0700 Not tainted (2.6.32.9)
<4>MSR: 00029032 <EE,ME,CE,IR,DR> CR: 24004228 XER: 20000000
<4>TASK = c0cd65a0[209] 'udevd' THREAD: c0e2a000
<4>GPR00: 00000000 c0e2be50 c0cd65a0 c14475a8 00000007 3b9aca00 c1401b8f 0000159e
<4>GPR08: 2a751dc2 c033bbd8 00000000 00000000 00000000 10029d94 100222c0 10021d60
<4>GPR16: 10021d60 10021d60 1000dc2e 00000000 00000084 10021d60 10021d68 000021b0
<4>GPR24: 00000000 00000000 00000000 00000041 c14475a8 00000041 c033bbd8 c14475a8
<4>Call Trace:
<4>[c0e2be50] [ffffff9c] 0xffffff9c (unreliable)
<4>[c0e2be60] [c00a61c8] 0xc00a61c8
<4>[c0e2bea0] [c00e8df0] 0xc00e8df0
<4>[c0e2beb0] [c00a6390] 0xc00a6390
<4>[c0e2bee0] [c008b7a4] 0xc008b7a4
<4>[c0e2bf40] [c0011784] 0xc0011784
<4>--- Exception: c01 at 0xff3c940
<4> LR = 0x100057f0
<4>Instruction dump:
<4>4082007c 70090007 40820074 813f0098 83c90038 813e0068 80090018 700b0002
<4>40820024 80090014 700b0010 40a20018 <0fe00000> 3c60c02d 8089002c 3863c13c
<3>bdi-char/mem not registered
<6>eth0: register 'asix' at usb-rvl-sthcd-2, ASIX AX88772 USB 2.0 Ethernet, 00:0b:e6:09:b3:7e
<6>usbcore: registered new interface driver asix
<6>eth0: link up, 100Mbps, full-duplex, lpa 0xCDE1
<6>eth0: link up, 100Mbps, full-duplex, lpa 0xCDE1
<6>RPC: Registered udp transport module.
<6>RPC: Registered tcp transport module.
<6>RPC: Registered tcp NFSv4.1 backchannel transport module.
<5>nfs: server xxxxxx not responding, timed out
<5>nfs: server xxxxxx not responding, timed out
<5>nfs: server xxxxxx not responding, timed out

The network works fine, and the nfs server is fully responding when I connect to it through my laptop...

Any hint welcome, can make some more test/report if needed
wolog
Posts: 1
Joined: Sat Apr 03, 2010 2:58 pm

Re: nfs mount stalled, and kernel oops

Post by wolog »

Status update:

I still have the kernel oops (and still no idea). I have setup a samba server on my main linux box, and geexbox is able to access the shared folders seemlessly.

I have some performance issue with movies, and I need to disable the visual effects to play audio with interrupts. Maybe a usb network adapter issue ? will make some test if/when I get another one.
jmrush97
Posts: 1
Joined: Sun Apr 11, 2010 10:39 pm

Re: nfs mount stalled, and kernel oops

Post by jmrush97 »

I'm getting the same sort of happening.

I've added using smb for serving some mp3 files. Most tracks play OK, however reviewing the load average on the box, it is showing a load av of 2.02,2.02 and 2.02 at idle and then 3.8, 3.5, 3.0 when playing mp3 files.

I think it might be worth adding a method of check the load average and also why two processes are running so high on the box.
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