Created attachment 938767 [details]
kernel log

Description of problem:

[    3.724891] Call trace:
[    3.727324] [<ffffffc00055bcd0>] ahci_scr_read+0x6c/0x94
[    3.732606] [<ffffffc00054245c>] sata_scr_read+0x74/0x94
[    3.737890] [<ffffffc000542510>] sata_link_debounce+0x94/0x128
[    3.743693] [<ffffffc000543538>] sata_link_resume+0xe4/0x154
[    3.749322] [<ffffffc000548920>] sata_link_hardreset+0x114/0x1f4
[    3.755296] [<ffffffc00055f80c>] xgene_ahci_hardreset+0x174/0x290
[    3.761357] [<ffffffc00054f0b0>] ata_do_reset+0x40/0x88
[    3.766553] [<ffffffc00055252c>] ata_eh_reset+0x914/0xc44
[    3.771923] [<ffffffc000552c58>] ata_eh_recover+0x25c/0x12a4
[    3.777553] [<ffffffc00055a344>] sata_pmp_error_handler+0x428/0x8bc
[    3.783787] [<ffffffc00055e238>] ahci_error_handler+0x2c/0x6c
[    3.789503] [<ffffffc000554200>] ata_scsi_port_error_handler+0x480/0x630
[    3.796169] [<ffffffc000554438>] ata_scsi_error+0x88/0xc0
[    3.801540] [<ffffffc000526400>] scsi_error_handler+0x138/0x7bc
[    3.807429] [<ffffffc0000d3a94>] kthread+0xd4/0xec
[    3.812194] Code: b8735823 340000e3 8b23c081 8b0100c1 (b9400021) 
[    3.818277] ---[ end trace 9d65b89a94803ecc ]---


Version-Release number of selected component (if applicable):

3.17-rc5.git0.1
3.17-rc5.git1.1

How reproducible:

always

Steps to Reproduce:
1. install kernel
2. add it into grub
3. reboot into installed kernel

Actual results:

machine needs reboot

Expected results:

machine boots

Additional info:

3.17-rc3.git1.1 works fine