Date: Wed, 01 Dec 2004 19:38:33 +0300 From: Maxim Maximov <mcsi@mcsi.pp.ru> To: stable@freebsd.org Subject: Re: freeze in vm_page_alloc_contig() on boot (sym driver) Message-ID: <41ADF389.90205@mcsi.pp.ru> In-Reply-To: <41ADF0B7.8050406@mcsi.pp.ru> References: <41ADF0B7.8050406@mcsi.pp.ru>
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Maxim Maximov wrote:
> Hello.
>
> I have Fujitsu-Siemens Primergy L200 server. It is running
> 5.2-CURRENT at the moment. When I tried to upgrade it to 5.3-STABLE, new
> kernel hung at boot. Luckily, this server has NMI button, so I have hand
> transcribed stack trace (no serial console, sorry):
>
> vm_page_alloc_contig()+0xbe
> contig_malloc()+0x97
> alloc_bounce_pages()+0x60
> bus_dmamap_create()+0x103
> sym_alloc_ccb()+0x75
> sym_pci_attach()+0x6b6
> device_attach()+0x58
> ... then follows usual probing trace
<sigh> Sorry, just found it.. When will this change be committed to STABLE?
FreeBSD src repository
Modified files:
sys/i386/i386 busdma_machdep.c
sys/amd64/amd64 busdma_machdep.c
Log:
Don't flag alignment constraints as a reason for bouncing. This
fixes the
trigger for other misbehaviour in the sym driver that was causing
freezes at
boot. Thanks to phk@ for reporting and testing this.
Revision Changes Path
1.64 +1 -1 src/sys/amd64/amd64/busdma_machdep.c
1.68 +1 -1 src/sys/i386/i386/busdma_machdep.c
--
Maxim Maximov
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