Re: block layer bug with 4.4-rc3+

2015-12-18 Thread Ming Lei
On Thu, Dec 17, 2015 at 8:33 PM, Andre Przywara wrote: > Hi Ming, > > On 17/12/15 03:52, Ming Lei wrote: >> On Wed, Dec 16, 2015 at 10:55 PM, Andre Przywara >> wrote: >>> Hi, >>> >>> On 15/12/15 13:39, Ming Lei wrote: On Tue, Dec 15, 2015 at 8:23 PM, Andre Przywara wrote: > Hi

Re: block layer bug with 4.4-rc3+

2015-12-18 Thread Ming Lei
On Thu, Dec 17, 2015 at 8:33 PM, Andre Przywara wrote: > Hi Ming, > > On 17/12/15 03:52, Ming Lei wrote: >> On Wed, Dec 16, 2015 at 10:55 PM, Andre Przywara >> wrote: >>> Hi, >>> >>> On 15/12/15 13:39, Ming Lei wrote: On Tue, Dec 15, 2015 at

Re: block layer bug with 4.4-rc3+

2015-12-17 Thread Andre Przywara
Hi Ming, On 17/12/15 03:52, Ming Lei wrote: > On Wed, Dec 16, 2015 at 10:55 PM, Andre Przywara > wrote: >> Hi, >> >> On 15/12/15 13:39, Ming Lei wrote: >>> On Tue, Dec 15, 2015 at 8:23 PM, Andre Przywara >>> wrote: Hi Ming, thanks for the answer! On 15/12/15 11:54,

Re: block layer bug with 4.4-rc3+

2015-12-17 Thread Andre Przywara
Hi Ming, On 17/12/15 03:52, Ming Lei wrote: > On Wed, Dec 16, 2015 at 10:55 PM, Andre Przywara > wrote: >> Hi, >> >> On 15/12/15 13:39, Ming Lei wrote: >>> On Tue, Dec 15, 2015 at 8:23 PM, Andre Przywara >>> wrote: Hi Ming, thanks for the answer! On 15/12/15 11:54,

Re: block layer bug with 4.4-rc3+

2015-12-17 Thread Arnd Bergmann
On Thursday 17 December 2015 09:28:36 Andre Przywara wrote: > > So it was running for almost a day without LPAE now, but with highmem, > and the bug didn't show up. So for the time being I'd avoid another test > run without highmem, as LPAE alone is sufficient to trigger it. There is clearly no

Re: block layer bug with 4.4-rc3+

2015-12-17 Thread Andre Przywara
Tach Arnd, On 16/12/15 15:43, Arnd Bergmann wrote: > On Wednesday 16 December 2015 14:55:43 Andre Przywara wrote: >> Using the plain multi_v7_defconfig (which doesn't have LPAE and makes me >> loose half of the RAM on that box) didn't show the bug so far. >> One of the effects of turning on LPAE

Re: block layer bug with 4.4-rc3+

2015-12-17 Thread Andre Przywara
Tach Arnd, On 16/12/15 15:43, Arnd Bergmann wrote: > On Wednesday 16 December 2015 14:55:43 Andre Przywara wrote: >> Using the plain multi_v7_defconfig (which doesn't have LPAE and makes me >> loose half of the RAM on that box) didn't show the bug so far. >> One of the effects of turning on LPAE

Re: block layer bug with 4.4-rc3+

2015-12-17 Thread Arnd Bergmann
On Thursday 17 December 2015 09:28:36 Andre Przywara wrote: > > So it was running for almost a day without LPAE now, but with highmem, > and the bug didn't show up. So for the time being I'd avoid another test > run without highmem, as LPAE alone is sufficient to trigger it. There is clearly no

Re: block layer bug with 4.4-rc3+

2015-12-17 Thread Andre Przywara
Hi Ming, On 17/12/15 03:52, Ming Lei wrote: > On Wed, Dec 16, 2015 at 10:55 PM, Andre Przywara > wrote: >> Hi, >> >> On 15/12/15 13:39, Ming Lei wrote: >>> On Tue, Dec 15, 2015 at 8:23 PM, Andre Przywara >>> wrote: Hi Ming, thanks

Re: block layer bug with 4.4-rc3+

2015-12-17 Thread Andre Przywara
Hi Ming, On 17/12/15 03:52, Ming Lei wrote: > On Wed, Dec 16, 2015 at 10:55 PM, Andre Przywara > wrote: >> Hi, >> >> On 15/12/15 13:39, Ming Lei wrote: >>> On Tue, Dec 15, 2015 at 8:23 PM, Andre Przywara >>> wrote: Hi Ming, thanks

Re: block layer bug with 4.4-rc3+

2015-12-16 Thread Ming Lei
On Wed, Dec 16, 2015 at 11:43 PM, Arnd Bergmann wrote: > On Wednesday 16 December 2015 14:55:43 Andre Przywara wrote: >> Using the plain multi_v7_defconfig (which doesn't have LPAE and makes me >> loose half of the RAM on that box) didn't show the bug so far. >> One of the effects of turning on

Re: block layer bug with 4.4-rc3+

2015-12-16 Thread Ming Lei
On Wed, Dec 16, 2015 at 10:55 PM, Andre Przywara wrote: > Hi, > > On 15/12/15 13:39, Ming Lei wrote: >> On Tue, Dec 15, 2015 at 8:23 PM, Andre Przywara >> wrote: >>> Hi Ming, >>> >>> thanks for the answer! >>> >>> On 15/12/15 11:54, Ming Lei wrote: On Tue, Dec 15, 2015 at 7:05 PM, Andre

Re: block layer bug with 4.4-rc3+

2015-12-16 Thread Arnd Bergmann
On Wednesday 16 December 2015 14:55:43 Andre Przywara wrote: > Using the plain multi_v7_defconfig (which doesn't have LPAE and makes me > loose half of the RAM on that box) didn't show the bug so far. > One of the effects of turning on LPAE is that dma_addr_t and phys_addr_t > turn to 64-bit, with

Re: block layer bug with 4.4-rc3+

2015-12-16 Thread Andre Przywara
Hi, On 15/12/15 13:39, Ming Lei wrote: > On Tue, Dec 15, 2015 at 8:23 PM, Andre Przywara > wrote: >> Hi Ming, >> >> thanks for the answer! >> >> On 15/12/15 11:54, Ming Lei wrote: >>> On Tue, Dec 15, 2015 at 7:05 PM, Andre Przywara >>> wrote: Hi, I've been experiencing issues

Re: block layer bug with 4.4-rc3+

2015-12-16 Thread Ming Lei
On Wed, Dec 16, 2015 at 10:55 PM, Andre Przywara wrote: > Hi, > > On 15/12/15 13:39, Ming Lei wrote: >> On Tue, Dec 15, 2015 at 8:23 PM, Andre Przywara >> wrote: >>> Hi Ming, >>> >>> thanks for the answer! >>> >>> On 15/12/15 11:54, Ming Lei

Re: block layer bug with 4.4-rc3+

2015-12-16 Thread Ming Lei
On Wed, Dec 16, 2015 at 11:43 PM, Arnd Bergmann wrote: > On Wednesday 16 December 2015 14:55:43 Andre Przywara wrote: >> Using the plain multi_v7_defconfig (which doesn't have LPAE and makes me >> loose half of the RAM on that box) didn't show the bug so far. >> One of the effects

Re: block layer bug with 4.4-rc3+

2015-12-16 Thread Andre Przywara
Hi, On 15/12/15 13:39, Ming Lei wrote: > On Tue, Dec 15, 2015 at 8:23 PM, Andre Przywara > wrote: >> Hi Ming, >> >> thanks for the answer! >> >> On 15/12/15 11:54, Ming Lei wrote: >>> On Tue, Dec 15, 2015 at 7:05 PM, Andre Przywara >>> wrote:

Re: block layer bug with 4.4-rc3+

2015-12-16 Thread Arnd Bergmann
On Wednesday 16 December 2015 14:55:43 Andre Przywara wrote: > Using the plain multi_v7_defconfig (which doesn't have LPAE and makes me > loose half of the RAM on that box) didn't show the bug so far. > One of the effects of turning on LPAE is that dma_addr_t and phys_addr_t > turn to 64-bit, with

Re: block layer bug with 4.4-rc3+

2015-12-15 Thread Ming Lei
On Tue, Dec 15, 2015 at 8:23 PM, Andre Przywara wrote: > Hi Ming, > > thanks for the answer! > > On 15/12/15 11:54, Ming Lei wrote: >> On Tue, Dec 15, 2015 at 7:05 PM, Andre Przywara >> wrote: >>> Hi, >>> >>> I've been experiencing issues with at least 4.4-rc3 (including current >> >> I'd

Re: block layer bug with 4.4-rc3+

2015-12-15 Thread Andre Przywara
Hi Ming, thanks for the answer! On 15/12/15 11:54, Ming Lei wrote: > On Tue, Dec 15, 2015 at 7:05 PM, Andre Przywara > wrote: >> Hi, >> >> I've been experiencing issues with at least 4.4-rc3 (including current > > I'd suggest you to test the latest linus tree first, and at least two > fix

Re: block layer bug with 4.4-rc3+

2015-12-15 Thread Ming Lei
On Tue, Dec 15, 2015 at 7:05 PM, Andre Przywara wrote: > Hi, > > I've been experiencing issues with at least 4.4-rc3 (including current I'd suggest you to test the latest linus tree first, and at least two fix patches have been merged for blk-merge issue. If there is still the issue with linus

block layer bug with 4.4-rc3+

2015-12-15 Thread Andre Przywara
Hi, I've been experiencing issues with at least 4.4-rc3 (including current HEAD) on a Calxeda Midway (4*ARM Cortex-A15 (32-bit), 8GB RAM, SATA spinning disk or SSD). After some disk I/O load (kernel compile with -j6) I see the kernel screaming: [ 103.736982] ata1.00: exception Emask 0x0 SAct

block layer bug with 4.4-rc3+

2015-12-15 Thread Andre Przywara
Hi, I've been experiencing issues with at least 4.4-rc3 (including current HEAD) on a Calxeda Midway (4*ARM Cortex-A15 (32-bit), 8GB RAM, SATA spinning disk or SSD). After some disk I/O load (kernel compile with -j6) I see the kernel screaming: [ 103.736982] ata1.00: exception Emask 0x0 SAct

Re: block layer bug with 4.4-rc3+

2015-12-15 Thread Ming Lei
On Tue, Dec 15, 2015 at 7:05 PM, Andre Przywara wrote: > Hi, > > I've been experiencing issues with at least 4.4-rc3 (including current I'd suggest you to test the latest linus tree first, and at least two fix patches have been merged for blk-merge issue. If there is

Re: block layer bug with 4.4-rc3+

2015-12-15 Thread Andre Przywara
Hi Ming, thanks for the answer! On 15/12/15 11:54, Ming Lei wrote: > On Tue, Dec 15, 2015 at 7:05 PM, Andre Przywara > wrote: >> Hi, >> >> I've been experiencing issues with at least 4.4-rc3 (including current > > I'd suggest you to test the latest linus tree first,

Re: block layer bug with 4.4-rc3+

2015-12-15 Thread Ming Lei
On Tue, Dec 15, 2015 at 8:23 PM, Andre Przywara wrote: > Hi Ming, > > thanks for the answer! > > On 15/12/15 11:54, Ming Lei wrote: >> On Tue, Dec 15, 2015 at 7:05 PM, Andre Przywara >> wrote: >>> Hi, >>> >>> I've been experiencing issues with at