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SubjectRe: 2.6.21-mm1
On 05/05/07 09:49, Andrew Morton wrote:
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.21/2.6.21-mm1/

I'm currently in the middle of a bisect over the last week of commits to linus'
tree, but I got the following with -mm1 that isn't showing up in the latest
2.6.21-git:

[ 15.644778] BUG: sleeping function called from invalid context at kernel/mutex.c:86
[ 15.644873] in_atomic():1, irqs_disabled():1
[ 15.644882] 2 locks held by modprobe/2765:
[ 15.644889] #0: (devlist_lock){--..}, at: [<b052dc7f>] mutex_lock+0x1f/0x30
[ 15.645058] #1: (modlist_lock){....}, at: [<b0147b1d>] __symbol_get+0x1d/0x90
[ 15.645207] irq event stamp: 11772
[ 15.645271] hardirqs last enabled at (11771): [<b016d793>] slab_free+0xc3/0x200
[ 15.645289] hardirqs last disabled at (11772): [<b052f476>] _spin_lock_irqsave+0x16/0x60
[ 15.645364] softirqs last enabled at (11216): [<b0125286>] __do_softirq+0x96/0xb0
[ 15.645439] softirqs last disabled at (11211): [<b01069f2>] do_softirq+0x82/0x100
[ 15.645517] [<b0104f0a>] show_trace_log_lvl+0x1a/0x30
[ 15.645586] [<b0104f32>] show_trace+0x12/0x20
[ 15.645654] [<b0105045>] dump_stack+0x15/0x20
[ 15.645665] [<b011d6ad>] __might_sleep+0xcd/0xf0
[ 15.645737] [<b052dc78>] mutex_lock+0x18/0x30
[ 15.645806] [<b01b1b7c>] sysfs_create_link+0x6c/0x130
[ 15.645823] [<b0146dba>] use_module+0x11a/0x170
[ 15.645892] [<b0147b6c>] __symbol_get+0x6c/0x90
[ 15.645904] [<f086ac2c>] dvb_init+0x98c/0xd70 [saa7134_dvb]
[ 15.645984] [<b036861d>] mpeg_ops_attach+0x3d/0x50
[ 15.646058] [<b0369109>] saa7134_ts_register+0x29/0x70
[ 15.646070] [<f086f010>] dvb_register+0x10/0x12 [saa7134_dvb]
[ 15.646141] [<b01491b7>] sys_init_module+0xf7/0x150
[ 15.646153] [<b0104172>] sysenter_past_esp+0x5f/0x99
[ 15.646221] =======================
And this fantastic Oops:
[ 40.965119] BUG: unable to handle kernel NULL pointer dereference at virtual address 00000080
[ 40.965252] printing eip:
[ 40.965252] b016d4a5
[ 40.965300] *pde = 00000000
[ 40.965352] Oops: 0000 [#1]
[ 40.965467] PREEMPT
It occurs when racoon is started so must be IPSEC related, I'll have more information
once I finish bisecting and merge -mm1 again.

--
Simon Arlott
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