From: Blaisorblade <blaisorblade@yahoo.it>
To: user-mode-linux-devel@lists.sourceforge.net
Subject: Re: [uml-devel] ZONE_DMA and dm_create->init_emergency_isa_pool
Date: Thu, 7 Dec 2006 20:27:45 +0100 [thread overview]
Message-ID: <200612072027.46049.blaisorblade@yahoo.it> (raw)
In-Reply-To: <20061203210608.GA2704@cube.dyndns.org>
On Sunday 03 December 2006 22:06, rsnel@cube.dyndns.org wrote:
> Hello,
>
> When I want to create a device mapper table in user-mode-linux, I get
>
> BUG: failure at mm/bounce.c:85/init_emergency_isa_pool()!
> (full stack trace below)
>
> I think this behaviour was introduced by:
> [PATCH] uml: get rid of ZONE_DMA use
>
> I got it to work by reversing the patch.
Can you detail the used UML version? Thanks.
> Greetings,
>
> Rik.
>
> Trace:
> BUG: failure at mm/bounce.c:85/init_emergency_isa_pool()!
> Kernel panic - not syncing: BUG!
>
> EIP: 0073:[<401300c4>] CPU: 0 Not tainted ESP: 007b:bf433948 EFLAGS:
> 00000246
> Not tainted
> EAX: ffffffda EBX: 00000003 ECX: c134fd03 EDX: 08050408
> ESI: 400287c0 EDI: 40026180 EBP: bf433a98 DS: 007b ES: 007b
> 0901bd78: [<080686b0>] show_regs+0xb4/0xb9
> 0901bda4: [<0805a4c3>] panic_exit+0x25/0x3f
> 0901bdb8: [<0807b018>] notifier_call_chain+0x1d/0x3c
> 0901bdd8: [<0807b0a7>] atomic_notifier_call_chain+0x11/0x13
> 0901bdec: [<0806f96e>] panic+0x52/0xdd
> 0901be0c: [<0809b91b>] init_emergency_isa_pool+0x4b/0x5d
> 0901be28: [<080f3cbd>] blk_queue_bounce_limit+0x33/0x48
> 0901be3c: [<081106a5>] alloc_dev+0xf4/0x285
> 0901be64: [<081109c1>] dm_create+0xb/0x20
> 0901be70: [<08113205>] dev_create+0x3f/0x9b
> 0901be90: [<08114047>] ctl_ioctl+0xd7/0x10e
> 0901beb8: [<080ae385>] do_ioctl+0x45/0x5a
> 0901bed8: [<080ae717>] vfs_ioctl+0x1ec/0x209
> 0901bf00: [<080ae762>] sys_ioctl+0x2e/0x4c
> 0901bf28: [<0805ac46>] handle_syscall+0x86/0xa0
> 0901bf74: [<08065805>] handle_trap+0xbe/0xc7
> 0901bf90: [<08065bf3>] userspace+0x123/0x166
> 0901bfdc: [<0805a985>] fork_handler+0x74/0x7c
> 0901bffc: [<a55a5a5a>] 0xa55a5a5a
--
Inform me of my mistakes, so I can add them to my list!
Paolo Giarrusso, aka Blaisorblade
http://www.user-mode-linux.org/~blaisorblade
Chiacchiera con i tuoi amici in tempo reale!
http://it.yahoo.com/mail_it/foot/*http://it.messenger.yahoo.com
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next prev parent reply other threads:[~2006-12-07 19:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-03 21:06 [uml-devel] ZONE_DMA and dm_create->init_emergency_isa_pool rsnel
2006-12-07 19:27 ` Blaisorblade [this message]
2006-12-07 20:18 ` rsnel
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