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Re: 2.6.24-rc1-54866f032307063776b4eff7eadb131d47f9f9b4 fails to boot: kernel BUG at include/linux/scatterlist.h:49!
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From: Jens Axboe
Subject:
Re: 2.6.24-rc1-54866f032307063776b4eff7eadb131d47f9f9b4 fails to boot: kernel BUG at include/linux/scatterlist.h:49!
Date: Saturday, November 3, 2007 - 12:03 am
On Sat, Nov 03 2007, Stefan Richter wrote:
quoted text
> I wrote: > > Torsten Kaiser wrote: > >> Both 2.6.24-rc1 and the current git version fail to boot for me: > >> > >> [ 57.182205] ohci1394: fw-host0: OHCI-1394 1.1 (PCI): IRQ=[16] MMIO=[effff800-efffffff] Max Packet=[2048] IR/IT contexts=[4/8] > >> [ 57.194032] eth1394: eth2: IPv4 over IEEE 1394 (fw-host0) > >> [ 57.199527] ------------[ cut here ]------------ > >> [ 57.204154] kernel BUG at include/linux/scatterlist.h:49! > >> [ 57.209559] invalid opcode: 0000 [1] SMP > >> [ 57.213667] CPU 0 > >> [ 57.215742] Modules linked in: > >> [ 57.218857] Pid: 1, comm: swapper Not tainted 2.6.24-rc1 #1 > >> [ 57.224435] RIP: 0010:[<ffffffff80463512>] [<ffffffff80463512>] dma_region_alloc+0x142/0x180 > >> [ 57.233003] RSP: 0000:ffff810004f29db0 EFLAGS: 00010293 > >> [ 57.238322] RAX: ffffc20001454000 RBX: 0000000000000000 RCX: ffffe20001c7e690 > >> [ 57.245457] RDX: 0000000000000000 RSI: 00003ffffffff000 RDI: 0000000000000388 > >> [ 57.252592] RBP: ffff810005ddca48 R08: 0000000000000000 R09: ffffc20001454000 > >> [ 57.259727] R10: 0000000000000002 R11: 0000000000000000 R12: 0000000087654321 > >> [ 57.266862] R13: ffff810100914000 R14: 0000000000000002 R15: ffff810005e88000 > >> [ 57.273996] FS: 0000000000000000(0000) GS:ffffffff8079c000(0000) knlGS:0000000000000000 > >> [ 57.282082] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b > >> [ 57.287834] CR2: 0000000000e01766 CR3: 0000000000201000 CR4: 00000000000006e0 > >> [ 57.294968] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > >> [ 57.302102] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > >> [ 57.309238] Process swapper (pid: 1, threadinfo ffff810004f28000, task ffff81010032a000) > >> [ 57.317332] Stack: ffff810005ddca48 0000000000000002 ffff810005ddca00 0000000000000010 > >> [ 57.325546] 000000000000001f ffffffff80464146 ffffffff8089ff00 0000000000010000 > >> [ 57.333104] ffff810005ddca00 ffff8101011b66c0 ffff810005e88000 ffffffff80754740 > >> [ 57.340455] Call Trace: > >> [ 57.343139] [<ffffffff80464146>] hpsb_iso_common_init+0x1e6/0x210 > >> [ 57.349322] [<ffffffff80464198>] hpsb_iso_recv_init+0x28/0x70 > >> [ 57.355159] [<ffffffff8046c940>] ether1394_iso+0x0/0x130 > >> [ 57.360564] [<ffffffff8046bc08>] ether1394_recv_init+0x58/0xd0 > [...] > >> from gdb: > >> 0xffffffff80463512 is in dma_region_alloc (include/linux/scatterlist.h:49). > >> 44 * In order for the low bit stealing approach to work, pages > >> 45 * must be aligned at a 32-bit boundary as a minimum. > >> 46 */ > >> 47 BUG_ON((unsigned long) page & 0x03); > >> 48 #ifdef CONFIG_DEBUG_SG > >> 49 BUG_ON(sg->sg_magic != SG_MAGIC); > >> 50 #endif > >> 51 sg->page_link = page_link | (unsigned long) page; > >> 52 } > >> 53 > > > > Uh oh... > > > > I'm afraid the ieee1394 core's own scatter-gather list managing code > > didn't survive the changes in the kernel's s/g list implementation. > > > > Alas I will be quite busy with non-Linux related stuff during at least > > the next two weeks and can't fix this myself for now. > > Jens, maybe you can come up with a fix quicker than I could.
Sure, I'll take a look! -- Jens Axboe -
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Messages in current thread:
2.6.24-rc1-54866f032307063776b4eff7eadb131d47f9f9b4 fails ...
, Torsten Kaiser
, (Fri Nov 2, 3:03 pm)
Re: 2.6.24-rc1-54866f032307063776b4eff7eadb131d47f9f9b4 fa ...
, Stefan Richter
, (Fri Nov 2, 3:32 pm)
Re: 2.6.24-rc1-54866f032307063776b4eff7eadb131d47f9f9b4 fa ...
, Stefan Richter
, (Fri Nov 2, 4:16 pm)
Re: 2.6.24-rc1-54866f032307063776b4eff7eadb131d47f9f9b4 fa ...
, Jens Axboe
, (Sat Nov 3, 12:03 am)
Re: 2.6.24-rc1-54866f032307063776b4eff7eadb131d47f9f9b4 fa ...
, Torsten Kaiser
, (Sat Nov 3, 6:14 am)
Re: 2.6.24-rc1-54866f032307063776b4eff7eadb131d47f9f9b4 fa ...
, Stefan Richter
, (Sat Nov 3, 7:42 am)
Re: 2.6.24-rc1-54866f032307063776b4eff7eadb131d47f9f9b4 fa ...
, Jens Axboe
, (Sat Nov 3, 9:04 am)
Re: 2.6.24-rc1-54866f032307063776b4eff7eadb131d47f9f9b4 fa ...
, Jens Axboe
, (Sun Nov 4, 1:44 am)
Re: 2.6.24-rc1-54866f032307063776b4eff7eadb131d47f9f9b4 fa ...
, Torsten Kaiser
, (Sun Nov 4, 3:51 am)
[PATCH 1/3 2.6.24-rc1-gitX] ieee1394: iso and async stream ...
, Stefan Richter
, (Sun Nov 4, 5:08 am)
[PATCH 2/3 2.6.24-rc1-gitX] ieee1394: sbp2: s/g list fix
, Stefan Richter
, (Sun Nov 4, 5:09 am)
[PATCH 3/3 2.6.24-rc1-gitX] firewire: fw-sbp2: s/g list fix
, Stefan Richter
, (Sun Nov 4, 5:10 am)
Re: [PATCH 2/3 2.6.24-rc1-gitX] ieee1394: sbp2: s/g list fix
, Stefan Richter
, (Sun Nov 4, 5:27 am)
Re: 2.6.24-rc1-54866f032307063776b4eff7eadb131d47f9f9b4 fa ...
, Jens Axboe
, (Sun Nov 4, 6:03 am)
Re: 2.6.24-rc1-54866f032307063776b4eff7eadb131d47f9f9b4 fa ...
, Stefan Richter
, (Sun Nov 4, 6:19 am)
Re: 2.6.24-rc1-54866f032307063776b4eff7eadb131d47f9f9b4 fa ...
, Jens Axboe
, (Sun Nov 4, 6:26 am)
Re: 2.6.24-rc1-54866f032307063776b4eff7eadb131d47f9f9b4 fa ...
, Torsten Kaiser
, (Sun Nov 4, 7:53 am)
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