Subject: Re: [vserver] 2.6.35.2 scheduling while atomic BUG
From: Herbert Poetzl <herbert@13thfloor.at>
Date: Sat, 4 Sep 2010 05:52:37 +0200

On Thu, Sep 02, 2010 at 06:29:40PM +0200, Wilhelm wrote:
> Hi again,

> Am 02.09.2010 09:17, schrieb Wilhelm:
> > Hi,
> >
> > using 2.6.35.2 I get tons of the bug messages below:
> >
> > [ 1810.764109] BUG: scheduling while atomic: sh/11767/0x10000001
> > [ 1810.765740] Modules linked in: ipt_MASQUERADE ipt_REDIRECT xt_owner
> > iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state
> > nf_conntrack xt_tcpudp iptable_filter ip_tables x_tables nfsd nfs lockd
> > nfs_acl auth_rpcgss sunrpc dummy aufs exportfs dm_crypt tpm_tis tpm
> > tpm_bios psmouse serio_raw pcspkr i2c_piix4 raid1 e1000 ahci libahci
> > [last unloaded: scsi_wait_scan]
> > [ 1810.782232] Pid: 11767, comm: sh Not tainted
> > 2.6.35.2-vs2.3.0.36.31-kmux--vs-aufs #1
> > [ 1810.785920] Call Trace:
> > [ 1810.787243]  [<c013305d>] __schedule_bug+0x5d/0x70
> > [ 1810.789267]  [<c04fcef2>] schedule+0x422/0x550
> > [ 1810.790795]  [<c04fd0fd>] _cond_resched+0x2d/0x50
> > [ 1810.792373]  [<c01c0819>] anon_vma_prepare+0x19/0x130
> > [ 1810.794064]  [<c01bc6c8>] expand_downwards+0x18/0x160
> > [ 1810.795588]  [<c012dea7>] ? kmap_atomic_prot+0x47/0xe0
> > [ 1810.797191]  [<c01b6d6d>] ? __pte_alloc+0x3d/0xb0
> > [ 1810.798689]  [<c01bc818>] expand_stack+0x8/0x10
> > [ 1810.800178]  [<c01ba709>] handle_mm_fault+0xb29/0xb80
> > [ 1810.801693]  [<c01b6a1e>] ? follow_page+0x5e/0x2e0
> > [ 1810.803251]  [<c01ba85e>] __get_user_pages+0xfe/0x3f0
> > [ 1810.804802]  [<c01babeb>] get_user_pages+0x4b/0x60
> > [ 1810.806477]  [<c01e070d>] get_arg_page+0x4d/0xa0
> > [ 1810.807975]  [<c0300de6>] ? strnlen_user+0x26/0x50
> > [ 1810.810472]  [<c01e0832>] copy_strings+0xd2/0x180
> > [ 1810.812098]  [<c01e0904>] copy_strings_kernel+0x24/0x40
> > [ 1810.813643]  [<c01e2d82>] do_execve+0x182/0x250
> > [ 1810.815154]  [<c0109882>] sys_execve+0x32/0x70
> > [ 1810.816647]  [<c0102fc2>] ptregs_execve+0x12/0x20
> > [ 1810.818273]  [<c04fee5c>] ? syscall_call+0x7/0xb
> > [ 1846.268122] BUG: scheduling while atomic: sh/11810/0x10000001

> > Is this a known issue?

> this bug should be fixed in stable version 2.6.35.4. 

good to know ...

> When do we see the vserver-patches for this version?

when I get to update/upload them :)

feel free to donate to speed up the process ...

best,
Herbert

> -- 
> Wilhelm
>