Got a kernel panick with the latest rc4 pangolin kernel. I've been testing a
different hdd for a few days.
Installed xubuntu 12.04 on it.
uname -a
Linux lappy 3.2.0-24-generic #37-Ubuntu SMP Wed Apr 25 08:43:52 UTC 2012 i686
i686 i386 GNU/Linux
Had no oopses/panicks yet. However,
1) the pm-hibernate is not as reliable and gets frozen in the middle from time
to time
2) Have had an hdd freeze though:
------------------------------------------------------
May 2 00:56:10 lappy kernel: [23523.731858] ata1.00: exception Emask 0x0 SAct
0x0 SErr 0x0 action 0x0
May 2 00:56:10 lappy kernel: [23523.731870] ata1.00: BMDMA2 stat 0x82c0009
May 2 00:56:10 lappy kernel: [23523.731880] ata1.00: failed command: READ DMA
May 2 00:56:10 lappy kernel: [23523.731899] ata1.00: cmd
c8/00:00:a0:72:37/00:00:00:00:00/e1 tag 0 dma 131072 in
May 2 00:56:10 lappy kernel: [23523.731903] res
51/40:74:2c:73:37/00:00:00:00:00/e1 Emask 0x9 (media error)
May 2 00:56:10 lappy kernel: [23523.731912] ata1.00: status: { DRDY ERR }
May 2 00:56:10 lappy kernel: [23523.731919] ata1.00: error: { UNC }
May 2 00:56:10 lappy kernel: [23523.748437] ata1.00: configured for UDMA/100
May 2 00:56:10 lappy kernel: [23523.748477] ata1: EH complete
May 2 00:56:14 lappy kernel: [23528.377124] ata1.00: exception Emask 0x0 SAct
0x0 SErr 0x0 action 0x0
May 2 00:56:14 lappy kernel: [23528.377136] ata1.00: BMDMA2 stat 0x82c0009
May 2 00:56:14 lappy kernel: [23528.377147] ata1.00: failed command: READ DMA
May 2 00:56:14 lappy kernel: [23528.377165] ata1.00: cmd
c8/00:00:a0:72:37/00:00:00:00:00/e1 tag 0 dma 131072 in
May 2 00:56:14 lappy kernel: [23528.377169] res
51/40:74:2c:73:37/00:00:00:00:00/e1 Emask 0x9 (media error)
May 2 00:56:14 lappy kernel: [23528.377179] ata1.00: status: { DRDY ERR }
May 2 00:56:14 lappy kernel: [23528.377186] ata1.00: error: { UNC }
May 2 00:56:14 lappy kernel: [23528.400441] ata1.00: configured for UDMA/100
May 2 00:56:14 lappy kernel: [23528.400481] ata1: EH complete
May 2 00:56:19 lappy kernel: [23533.033396] ata1.00: exception Emask 0x0 SAct
0x0 SErr 0x0 action 0x0
May 2 00:56:19 lappy kernel: [23533.033407] ata1.00: BMDMA2 stat 0x82c0009
May 2 00:56:19 lappy kernel: [23533.033418] ata1.00: failed command: READ DMA
--------------------------------
More in the attachent.
My guess still is that it is NOT a software bug, but a motherboard/overheating
issue/battery etc.
Will keep testing and trying other stuff.
** Attachment added: "sata hdd error"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/922976/+attachment/3128306/+files/ata_error
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https://bugs.launchpad.net/bugs/922976
Title:
Kernel Oops - BUG: unable to handle kernel paging request at 850f08bc;
EIP is at kmem_cache_alloc+0x50/0x100
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