Messages in this thread | | | Date | Fri, 31 Dec 2010 10:45:06 +0100 | From | carlos palma <> | Subject | Re: [Bug #25402] kernel (2.6.37-8-generic_amd64) panic on boot (with message "map_single: bounce buffer is not DMA'ble) - possible regression !!! |
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Because, at the beginning I tough it could be also a DELL firmware problem. The 32 bit version works fine, the 64 bits under KVM works fine (tested with 1GB ram). Only a few days ago I found similar problems also on DELL machines... Happy new year
carlos
On 12/30/2010 11:51 PM, Rafael J. Wysocki wrote: > On Thursday, December 30, 2010, carlos palma wrote: >> I can confirm that this "regression" still exists with the kernel >> 2.6.37-rc8. >> The Call Trace is basically the same: >> >> ... >> Kernel panic - not syncing: map_single ... >> Pid 935, comm: NetworkManager Tainted >> call trace >> panic+oxbf/0x200 >> ? default_spin_lock_flags+0x9/0x10 >> ?swiotlb_tlb_map_single+0x1ce/0x250 >> ?map_single+0x46/0x60 >> swiotlb_map_page+0xa6/0xf >> ... and then the FREEZE ... only a hard reset brings to live (with he begining >> 2.6.36-2) Linux. > Thanks for the info. > > Why did you put "regression" into double quotes? > > Rafael >
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