Messages in this thread | | | Date | Sun, 03 Aug 2008 23:07:29 -0700 | From | Jeremy Fitzhardinge <> | Subject | 2.6.27-rc1 xen pvfb regression |
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When I boot 2.6.27-rc1 with the Xen pvfb driver, I see this when X starts:
------------[ cut here ]------------ WARNING: at /home/jeremy/hg/xen/paravirt/linux/fs/buffer.c:711 __set_page_dirty+0x7e/0x113() Modules linked in: xen_fbfront fb fb_sys_fops sysimgblt sysfillrect xen_netfront xen_kbdfront syscopyarea xen_blkfront Pid: 1227, comm: Xorg Not tainted 2.6.27-rc1-tip-dirty #306
Call Trace: [<ffffffff802345f6>] warn_on_slowpath+0x5d/0x84 [<ffffffff80249c75>] ? enqueue_hrtimer+0xdf/0xed [<ffffffff803ce414>] ? _spin_unlock_irqrestore+0x1d/0x21 [<ffffffff8024a42d>] ? hrtimer_start+0x118/0x13a [<ffffffff803ce3ee>] ? _spin_lock_irqsave+0x2a/0x33 [<ffffffff8023d752>] ? lock_timer_base+0x2b/0x4f [<ffffffff803ce414>] ? _spin_unlock_irqrestore+0x1d/0x21 [<ffffffff802af569>] __set_page_dirty+0x7e/0x113 [<ffffffff802b1806>] __set_page_dirty_buffers+0x84/0x89 [<ffffffff8026c732>] set_page_dirty+0x46/0xb2 [<ffffffff8026d85d>] set_page_dirty_balance+0x17/0x4d [<ffffffff802746df>] __do_fault+0x494/0x4ae [<ffffffff8027644c>] handle_mm_fault+0x4a1/0x967 [<ffffffff803ce414>] ? _spin_unlock_irqrestore+0x1d/0x21 [<ffffffff80224ca6>] do_page_fault+0x5d0/0x9fa [<ffffffff80238516>] ? sys_setitimer+0x93/0xa3 [<ffffffff803ce6da>] error_exit+0x0/0x70
---[ end trace 68d3ab49fcc5748b ]--- ------------[ cut here ]------------ kernel BUG at /home/jeremy/hg/xen/paravirt/linux/lib/radix-tree.c:473! invalid opcode: 0000 [1] SMP CPU 0 Modules linked in: xen_fbfront fb fb_sys_fops sysimgblt sysfillrect xen_netfront xen_kbdfront syscopyarea xen_blkfront Pid: 1227, comm: Xorg Tainted: G W 2.6.27-rc1-tip-dirty #306 RIP: e030:[<ffffffff80301aec>] [<ffffffff80301aec>] radix_tree_tag_set+0x17/0x9b RSP: e02b:ffff88000cef3cc0 EFLAGS: 00010002 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88000e555858 RBP: ffff88000cef3cc8 R08: a000000000000000 R09: 0000000000000000 R10: 00007fb12cb29c80 R11: ffff880001432050 R12: ffff88000e555850 R13: 0000000000000001 R14: ffff8800013d82f8 R15: ffff88000e859040 FS: 00007fb12e61a780(0000) GS:ffffffff80496000(0000) knlGS:0000000000000000 CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 00007fb12cb2a000 CR3: 000000000e68e000 CR4: 0000000000002620 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process Xorg (pid: 1227, threadinfo ffff88000cef2000, task ffff88000ceb3bd0) Stack: ffff880001432050 ffff88000cef3cf8 ffffffff802af5ce ffff88000cef3ce8 ffff880001432050 ffff88000e555850 ffff880001432050 ffff88000cef3d18 ffffffff802b1806 ffff880001432050 0000000000000001 ffff88000cef3d48 Call Trace: [<ffffffff802af5ce>] __set_page_dirty+0xe3/0x113 [<ffffffff802b1806>] __set_page_dirty_buffers+0x84/0x89 [<ffffffff8026c732>] set_page_dirty+0x46/0xb2 [<ffffffff8026d85d>] set_page_dirty_balance+0x17/0x4d [<ffffffff802746df>] __do_fault+0x494/0x4ae [<ffffffff8027644c>] handle_mm_fault+0x4a1/0x967 [<ffffffff803ce414>] ? _spin_unlock_irqrestore+0x1d/0x21 [<ffffffff80224ca6>] do_page_fault+0x5d0/0x9fa [<ffffffff80238516>] ? sys_setitimer+0x93/0xa3 [<ffffffff803ce6da>] error_exit+0x0/0x70
Code: ff eb 02 31 c0 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f c9 c3 55 44 8b 0f 48 89 e5 44 89 c8 53 48 3b 34 c5 a0 7e 49 80 89 d3 76 04 <0f> 0b eb fe 41 6b c1 06 4c 8b 57 08 44 8d 58 fa 49 83 e2 fe 89 RIP [<ffffffff80301aec>] radix_tree_tag_set+0x17/0x9b RSP <ffff88000cef3cc0> ---[ end trace 68d3ab49fcc5748b ]---
And the system is dead. Haven't investigated at all.
J
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