[uClinux-dev] BUG: scheduling while atomic

[Arnon Meydav]

We are using:
IPL_ixp400NpeLibrary-2_1.zip
modules-csr2.1-20061012.patch 

Regarding the access library, I have 2 packages:
BSD_ixp400AccessLibrary-2_1.zip
BSD_ixp400AccessLibrary-2_1_1.zip

Any known issues with these libraries?
Thanks,
 - Arnon

-----Original Message-----
From: uclinux-dev-bounces at uclinux.org
[mailto:uclinux-dev-bounces at uclinux.org] On Behalf Of Greg Ungerer
Sent: Wednesday, March 21, 2007 06:36
To: uClinux development list
Subject: Re: [uClinux-dev] BUG: scheduling while atomic

Hi Arnon,

Arnon Meydav wrote:
> I am running snapgear-3.4.0 with a preemptive 2.6 kernel, on a 
> montejade-like board (IXP425 CPU).
> I get the following error message when I run some apps that access the

> ethernet device, e.g. ifconfig:

What version of the AccessLibrary are you using?

Regards
Greg




> BUG: scheduling while atomic: ifconfig/0x00000001/802 [<c0022dc8>] 
> (dump_stack+0x0/0x14) from [<c01dd1c0>] (schedule+0x60/0x6b8) 
> [<c01dd160>] (schedule+0x0/0x6b8) from [<c01de5fc>]
> (schedule_timeout+0x8c/0xbc)
> [<c01de570>] (schedule_timeout+0x0/0xbc) from [<bf01c820>]
> (ixOsalMutexLock+0x190/0x1b4 [ixp400])
>  r8 = C0E07E0C  r7 = C021D740  r6 = FFFFA7C2  r5 = C0E06000
>  r4 = BF0344B8
> [<bf01c690>] (ixOsalMutexLock+0x0/0x1b4 [ixp400]) from [<bf00e140>]
> (ixEthAccMibIIStatsGetClear+0x1)
>  r7 = 00E07E0C  r6 = 05200000  r5 = BF0344C0  r4 = 00000000 
> [<bf00e018>] (ixEthAccMibIIStatsGetClear+0x0/0x164 [ixp400]) from 
> [<bf09da28>] (0xbf09da28) [<bf09d9d0>] (0xbf09d9d0) from [<c0170e18>] 
> (dev_seq_show+0x4c/0x134)
>  r6 = C1BAFB60  r5 = C1BAFB60  r4 = C08E4000 [<c0170dcc>] 
> (dev_seq_show+0x0/0x134) from [<c0098328>]
> (seq_read+0x26c/0x3a4)
>  r5 = 0000007B  r4 = C08E4000
> [<c00980bc>] (seq_read+0x0/0x3a4) from [<c0074244>] 
> (vfs_read+0xc4/0x17c) [<c0074180>] (vfs_read+0x0/0x17c) from 
> [<c00745d8>] (sys_read+0x4c/0x74)
>  r8 = 00000100  r7 = 00000000  r6 = C0E07F78  r5 = C02EF580
>  r4 = C02EF5A0
> [<c007458c>] (sys_read+0x0/0x74) from [<c001dde0>]
> (ret_fast_syscall+0x0/0x2c)
>  r8 = C001DF84  r7 = 00000003  r6 = BE9CFB28  r5 = 00000000
>  r4 = 0001A008
>  
> Is this a know issue? Is it OK or a real bug that needs sorting out?
> (I don't have any experience with the preemptive patch - we've been 
> using kernel 2.4 till now)
>  
>  
> Thanks,
>  - Arnon
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--
------------------------------------------------------------------------
Greg Ungerer  --  Chief Software Dude       EMAIL:     gerg at snapgear.com
Secure Computing Corporation                PHONE:       +61 7 3435 2888
825 Stanley St,                             FAX:         +61 7 3891 3630
Woolloongabba, QLD, 4102, Australia         WEB: http://www.SnapGear.com
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