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Subject2.6.1mm2-k7: "Debug: sleeping function called from invalid context at mm/slab.c:1868"
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Hi,

switched to 2.6.1mm2 from 2.6.1-rc1-mm1, but this problem still remains:

Jan 12 08:17:42 ds9 kernel: PCI: Setting latency timer of device
0000:00:0d.0 to 64
Jan 12 08:17:42 ds9 kernel: ohci1394: fw-host0: OHCI-1394 1.1 (PCI):
IRQ=[12] MMIO=[de084000-de0847ff] Max Packet=[2048]
Jan 12 08:17:42 ds9 kernel: Debug: sleeping function called from invalid
context at mm/slab.c:1868
Jan 12 08:17:42 ds9 kernel: in_atomic():1, irqs_disabled():0
Jan 12 08:17:42 ds9 kernel: Call Trace:
Jan 12 08:17:42 ds9 kernel: [__might_sleep+171/208] __might_sleep+0xab/0xd0
Jan 12 08:17:42 ds9 kernel: [kmem_cache_alloc+514/528] kmem_cache_allo
+0x202/0x210
Jan 12 08:17:42 ds9 kernel: [dup_task_struct+41/240] dup_task_struc
+0x29/0xf0
Jan 12 08:17:42 ds9 kernel: [copy_process+209/3408] copy_process+0xd1/0xd50
Jan 12 08:17:42 ds9 kernel: [poke_blanked_console+112/176]
poke_blanked_console+0x70/0xb0
Jan 12 08:17:42 ds9 kernel: [do_fork+77/384] do_fork+0x4d/0x180
Jan 12 08:17:42 ds9 kernel: [kernel_thread+133/144] kernel_thread+0x85/0x90
Jan 12 08:17:42 ds9 kernel: [__crc_path_release+1459278/3128146]
nodemgr_host_thread+0x0/0x1a0 [ieee1394]
Jan 12 08:17:42 ds9 kernel: [kernel_thread_helper+0/24]
kernel_thread_helper+0x0/0x18
Jan 12 08:17:42 ds9 kernel: [__crc_path_release+1460475/3128146]
nodemgr_add_host+0xad/0x100 [ieee1394]
Jan 12 08:17:42 ds9 kernel: [__crc_path_release+1459278/3128146]
nodemgr_host_thread+0x0/0x1a0 [ieee1394]
Jan 12 08:17:42 ds9 kernel: [__crc_path_release+1441228/3128146]
highlevel_add_host+0x8e/0xa0 [ieee1394]
Jan 12 08:17:42 ds9 kernel: [__crc_path_release+1438130/3128146]
hpsb_add_host+0x14/0x40 [ieee1394]
Jan 12 08:17:42 ds9 kernel: [__crc_path_release+630705/3128146]
ohci1394_pci_probe+0x433/0x5b0 [ohci1394]
Jan 12 08:17:42 ds9 kernel: [__crc_path_release+619374/3128146]
ohci_irq_handler+0x0/0xe60 [ohci1394]
Jan 12 08:17:42 ds9 kernel: [pci_device_probe_static+75/96]
pci_device_probe_static+0x4b/0x60
Jan 12 08:17:42 ds9 kernel: [__pci_device_probe+54/80] __pci_device_prob
+0x36/0x50
Jan 12 08:17:42 ds9 kernel: [pci_device_probe+44/80] pci_device_prob
+0x2c/0x50
Jan 12 08:17:42 ds9 kernel: [bus_match+61/112] bus_match+0x3d/0x70
Jan 12 08:17:42 ds9 kernel: [driver_attach+90/144] driver_attach+0x5a/0x90
Jan 12 08:17:42 ds9 kernel: [bus_add_driver+165/192] bus_add_drive
+0xa5/0xc0
Jan 12 08:17:42 ds9 kernel: [pci_register_driver+122/160]
pci_register_driver+0x7a/0xa0
Jan 12 08:17:42 ds9 kernel: [__crc_path_release+159139/3128146]
ohci1394_init+0x15/0x3c [ohci1394]
Jan 12 08:17:42 ds9 kernel: [sys_init_module+363/768] sys_init_modul
+0x16b/0x300
Jan 12 08:17:42 ds9 kernel: [syscall_call+7/11] syscall_call+0x7/0xb
Jan 12 08:17:42 ds9 kernel:
Jan 12 08:17:42 ds9 kernel: raw1394: /dev/raw1394 device initialized


I get many more of these (every minute) if I start XFree86. Is this
something critical or just "interesting" debugging info?




--
Jens Benecke
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