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SubjectRe: 2.6.19-rc2-mm1
Badari Pulavarty wrote:
> On Mon, 2006-10-16 at 23:06 -0700, Andrew Morton wrote:
>
>>ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.19-rc2/2.6.19-rc2-mm1/
>>
>>
>>- Added the hwmon and i2c trees to the -mm lineup. These are quilt-style
>> trees, maintained by Jean Delvare.
>
>
>
> LTP writev tests seems to lockup the machine. reiserfs issue ?

...

> BUG: soft lockup detected on CPU#2!
>
> Call Trace:
> <IRQ> [<ffffffff8024a4ba>] softlockup_tick+0xfa/0x120
> [<ffffffff8022e10f>] __do_softirq+0x5f/0xd0
> [<ffffffff80232067>] update_process_times+0x57/0x90
> [<ffffffff80217e84>] smp_local_timer_interrupt+0x34/0x60
> [<ffffffff802185db>] smp_apic_timer_interrupt+0x4b/0x80
> [<ffffffff80326ce0>] __copy_user_nocache+0x20/0x150
> [<ffffffff8020a7e6>] apic_timer_interrupt+0x66/0x70
> <EOI> [<ffffffff802b8de0>] reiserfs_get_block+0x0/0x10c0
> [<ffffffff80295198>] __block_prepare_write+0x158/0x470
> [<ffffffff802b8de0>] reiserfs_get_block+0x0/0x10c0
> [<ffffffff802954ca>] block_prepare_write+0x1a/0x30
> [<ffffffff802b7cea>] reiserfs_prepare_write+0xca/0x140
> [<ffffffff8024e9d2>] generic_file_buffered_write+0x2b2/0x610

This is likely to be a reiserfs interaction with the pagecache write
deadlock fixes. Chris Mason just now identified a couple of issues
and is going to work on a fix.

--
SUSE Labs, Novell Inc.
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