Fwd: [Bug 451804] New: kernel: KERNEL: assertion (flags & MSG_PEEK) failed at net/ipv4/tcp.c (1354)

Fwd: [Bug 451804] New: kernel: KERNEL: assertion (flags & MSG_PEEK) failed at net/ipv4/tcp.c (1354)

[Dave Jones]

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This one been reported yet ?

	Dave

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From: bugzilla@redhat.com
To: davej@codemonkey.org.uk
Subject: [Bug 451804] New: kernel: KERNEL: assertion (flags & MSG_PEEK) failed at net/ipv4/tcp.c (1354)
Date: Tue, 17 Jun 2008 10:16:47 -0400
Message-ID: <bug-451804-263030@bugzilla.redhat.com>

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https://bugzilla.redhat.com/show_bug.cgi?id=451804

           Summary: kernel: KERNEL: assertion (flags & MSG_PEEK) failed at
                    net/ipv4/tcp.c (1354)
           Product: Fedora
           Version: 9
          Platform: i386
        OS/Version: Linux
            Status: NEW
          Severity: medium
          Priority: low
         Component: kernel
        AssignedTo: kernel-maint@redhat.com
        ReportedBy: ekanter@rcn.com
         QAContact: extras-qa@fedoraproject.org


Description of problem:

Using following wireless pcmcia card

kernel: ath5k_pci 0000:02:00.0: registered as 'phy0'
kernel: ath5k phy0: Atheros AR2413 chip found (MAC: 0x78, PHY: 0x45)

on SONY VIAO PCG-F590 laptop.

configured NFS server and attempted to copy large file into the system. the
speed is very slow. many assertion messages in the log:

kernel: recvmsg bug: copied CEDBCDF6 seq CEDBD39E
kernel: KERNEL: assertion (flags & MSG_PEEK) failed at net/ipv4/tcp.c (1354)

As soon as opened firefox and attempted to file a bug (while NFS transfer was
active) the kernel hung (caps lock and scroll lock LED blink). Tried several times.

Version-Release number of selected component (if applicable):

kernel-2.6.25.6-55.fc9.i686

How reproducible:

always

Steps to Reproduce:

see description.

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Re: [Bug 451804] New: kernel: KERNEL: assertion (flags & MSG_PEEK) failed at net/ipv4/tcp.c (1354)

[David Miller]

From: Dave Jones <davej-rdkfGonbjUTCLXcRTR1eJlpr/1R2p/CL@public.gmane.org>
Date: Tue, 17 Jun 2008 10:40:56 -0400

> This one been reported yet ?

Looks to be an ath5k specific problem based upon other
reports I was able to find.

For example, have a look at the "Transfers stall with ath5k
on compat-wireless drivers" thread on the ath5k-devel list:

http://kerneltrap.org/mailarchive/linux-ath5k-devel/2008/6/4/2028874

linux-wireless added to CC.

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Re: [Bug 451804] New: kernel: KERNEL: assertion (flags & MSG_PEEK) failed at net/ipv4/tcp.c (1354)

[Johannes Berg]

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On Tue, 2008-06-17 at 22:35 -0700, David Miller wrote:
> From: Dave Jones <davej@codemonkey.org.uk>
> Date: Tue, 17 Jun 2008 10:40:56 -0400
> 
> > This one been reported yet ?
> 
> Looks to be an ath5k specific problem based upon other
> reports I was able to find.
> 
> For example, have a look at the "Transfers stall with ath5k
> on compat-wireless drivers" thread on the ath5k-devel list:
> 
> http://kerneltrap.org/mailarchive/linux-ath5k-devel/2008/6/4/2028874

Maybe that's also just a variation of the header clone bug? ath5k also
needs sw crypto.

johannes

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