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SubjectRe: Upgraded from 3.4 to 3.5.1 kernel: machine does not boot
From
On Fri, Aug 10, 2012 at 1:53 PM, Jesper Juhl <jj@chaosbits.net> wrote:
> On Fri, 10 Aug 2012, Justin Piszcz wrote:
>
>> Hello,
>>
>> Motherboard: Supermicro X8DTH-6F
>> Distro: Debian Testing x86_64
>>
>> >From 3.4 -> 3.5.1 on x86_64 make oldconfig and a few minor changes and the
>> machine attempts to boot but hangs at the filesystem mounting part of the
>> boot process.

Hi,

Found the root cause, the 3.5.1 kernel cannot mount my ext4 filesystem (60TB).

The 3.4 kernel works fine.

This is proven by commenting out the filesystem in /etc/fstab with
3.5.1, and all is OK.

When I run mount for that filesystem, it hangs, I ran alt+sysrq+t to
get additional output and I have pasted it below with the 3.5.1
kernel:

[ 160.373406] mount R running task 0 4361 4355 0x00000000
[ 160.373407] ffff8806266bdb68 0000000000000086 ffff8806266bdaa8
ffff8806266bdfd8
[ 160.373410] ffff8806266bdfd8 0000000000004000 ffff8806270b0600
ffff880626c73a10
[ 160.373413] 0000000000011240 ffff880c260177c0 ffff880c260177c0
00000000ffffffff
[ 160.373415] Call Trace:
[ 160.373416] [<ffffffff816bd009>] ? __schedule+0x299/0x770
[ 160.373418] [<ffffffff81053465>] __cond_resched+0x25/0x40
[ 160.373420] [<ffffffff816bd6ba>] _cond_resched+0x2a/0x40
[ 160.373421] [<ffffffff8115bc09>] ext4_calculate_overhead+0x239/0x3e0
[ 160.373425] [<ffffffff8115d859>] ext4_fill_super+0x1aa9/0x2930
[ 160.373427] [<ffffffff810c677f>] mount_bdev+0x19f/0x1e0
[ 160.373429] [<ffffffff8115bdb0>] ? ext4_calculate_overhead+0x3e0/0x3e0
[ 160.373431] [<ffffffff811579c0>] ext4_mount+0x10/0x20
[ 160.373433] [<ffffffff810c69eb>] mount_fs+0x1b/0xd0
[ 160.373434] [<ffffffff810df2df>] vfs_kern_mount+0x6f/0x110
[ 160.373437] [<ffffffff810df3ff>] do_kern_mount+0x4f/0x100
[ 160.373439] [<ffffffff810e091e>] do_mount+0x2fe/0x8a0
[ 160.373440] [<ffffffff81097053>] ? strndup_user+0x53/0x70
[ 160.373442] [<ffffffff810e0fd0>] sys_mount+0x90/0xe0
[ 160.373443] [<ffffffff816beba6>] system_call_fastpath+0x1a/0x1f
[ 160.373446] jbd2/sda1-8 S ffff880c2675f800 0 4362 2 0x00000000
[ 160.373448] ffff880623ca9e50 0000000000000046 ffff880626c73a10
ffff880623ca9fd8
[ 160.373450] ffff880623ca9fd8 0000000000004000 ffff8806271b9850
ffff880626d08250
[ 160.373453] ffff880623ca9da0 ffff8806266bdbe0 ffff880c2675f8a0
ffff880c2675f888
[ 160.373455] Call Trace:
[ 160.373456] [<ffffffff81055f9d>] ? default_wake_function+0xd/0x10
[ 160.373458] [<ffffffff8104acf1>] ? autoremove_wake_function+0x11/0x40
[ 160.373460] [<ffffffff810521f5>] ? __wake_up_common+0x55/0x90
[ 160.373462] [<ffffffff816bd504>] schedule+0x24/0x70
[ 160.373463] [<ffffffff81183f8e>] kjournald2+0x1ce/0x1e0
[ 160.373465] [<ffffffff8104ace0>] ? abort_exclusive_wait+0xb0/0xb0
[ 160.373467] [<ffffffff81183dc0>] ? commit_timeout+0x10/0x10
[ 160.373469] [<ffffffff8104a27e>] kthread+0x8e/0xa0
[ 160.373471] [<ffffffff816bfed4>] kernel_thread_helper+0x4/0x10
[ 160.373472] [<ffffffff8104a1f0>] ? kthread_flush_work_fn+0x10/0x10
[ 160.373474] [<ffffffff816bfed0>] ? gs_change+0xb/0xb

Justin.


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