add mailinglist scraper results

1 files changed, 312 insertions, 0 deletions

diff --git a/mailinglist/output_launchpad/1887309 b/mailinglist/output_launchpad/1887309
new file mode 100644
index 00000000..b18b8690
--- /dev/null
+++ b/mailinglist/output_launchpad/1887309
@@ -0,0 +1,312 @@
+Floating-point exception in ide_set_sector
+
+Hello,
+Here is a reproducer:
+cat << EOF | ./i386-softmmu/qemu-system-i386 -M pc,accel=qtest\
+ -qtest null -nographic -vga qxl -qtest stdio -nodefaults\
+ -drive if=none,id=drive0,file=null-co://,file.read-zeroes=on,format=raw\
+ -drive if=none,id=drive1,file=null-co://,file.read-zeroes=on,format=raw\
+ -device ide-cd,drive=drive0 -device ide-hd,drive=drive1
+outw 0x176 0x3538
+outl 0xcf8 0x80000903
+outl 0xcfc 0x184275c
+outb 0x376 0x2f
+outb 0x376 0x0
+outw 0x176 0xa1a4
+outl 0xcf8 0x80000920
+outb 0xcfc 0xff
+outb 0xf8 0x9
+EOF
+
+The stack-trace:
+==16513==ERROR: UndefinedBehaviorSanitizer: FPE on unknown address 0x556783603fdc (pc 0x556783603fdc bp 0x7fff82143b10 sp 0x7fff82143ab0 T16513)
+    #0 0x556783603fdc in ide_set_sector /home/alxndr/Development/qemu/hw/ide/core.c:626:26
+    #1 0x556783603fdc in ide_dma_cb /home/alxndr/Development/qemu/hw/ide/core.c:883:9
+    #2 0x55678349d74d in dma_complete /home/alxndr/Development/qemu/dma-helpers.c:120:9
+    #3 0x55678349d74d in dma_blk_cb /home/alxndr/Development/qemu/dma-helpers.c:138:9
+    #4 0x556783962f25 in blk_aio_complete /home/alxndr/Development/qemu/block/block-backend.c:1402:9
+    #5 0x556783962f25 in blk_aio_complete_bh /home/alxndr/Development/qemu/block/block-backend.c:1412:5
+    #6 0x556783ac030f in aio_bh_call /home/alxndr/Development/qemu/util/async.c:136:5
+    #7 0x556783ac030f in aio_bh_poll /home/alxndr/Development/qemu/util/async.c:164:13
+    #8 0x556783a9a863 in aio_dispatch /home/alxndr/Development/qemu/util/aio-posix.c:380:5
+    #9 0x556783ac1b4c in aio_ctx_dispatch /home/alxndr/Development/qemu/util/async.c:306:5
+    #10 0x7f4f1c0fe9ed in g_main_context_dispatch (/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x4e9ed)
+    #11 0x556783acdccb in glib_pollfds_poll /home/alxndr/Development/qemu/util/main-loop.c:219:9
+    #12 0x556783acdccb in os_host_main_loop_wait /home/alxndr/Development/qemu/util/main-loop.c:242:5
+    #13 0x556783acdccb in main_loop_wait /home/alxndr/Development/qemu/util/main-loop.c:518:11
+    #14 0x5567833613e5 in qemu_main_loop /home/alxndr/Development/qemu/softmmu/vl.c:1664:9
+    #15 0x556783a07a4d in main /home/alxndr/Development/qemu/softmmu/main.c:49:5
+    #16 0x7f4f1ac84e0a in __libc_start_main /build/glibc-GwnBeO/glibc-2.30/csu/../csu/libc-start.c:308:16
+    #17 0x5567830a9089 in _start (/home/alxndr/Development/qemu/build/i386-softmmu/qemu-system-i386+0x7d2089)
+
+With -trace ide*
+
+12163@1594585516.671265:ide_reset IDEstate 0x56162a269058
+[R +0.024963] outw 0x176 0x3538
+12163@1594585516.673676:ide_ioport_write IDE PIO wr @ 0x176 (Device/Head); val 0x38; bus 0x56162a268c00 IDEState 0x56162a268c88
+12163@1594585516.673683:ide_ioport_write IDE PIO wr @ 0x177 (Command); val 0x35; bus 0x56162a268c00 IDEState 0x56162a269058
+12163@1594585516.673686:ide_exec_cmd IDE exec cmd: bus 0x56162a268c00; state 0x56162a269058; cmd 0x35
+OK
+[S +0.025002] OK
+[R +0.025012] outl 0xcf8 0x80000903
+OK
+[S +0.025018] OK
+[R +0.025026] outl 0xcfc 0x184275c
+OK
+[S +0.025210] OK
+[R +0.025219] outb 0x376 0x2f
+12163@1594585516.673916:ide_cmd_write IDE PIO wr @ 0x376 (Device Control); val 0x2f; bus 0x56162a268c00
+OK
+[S +0.025229] OK
+[R +0.025234] outb 0x376 0x0
+12163@1594585516.673928:ide_cmd_write IDE PIO wr @ 0x376 (Device Control); val 0x00; bus 0x56162a268c00
+OK
+[S +0.025240] OK
+[R +0.025246] outw 0x176 0xa1a4
+12163@1594585516.673940:ide_ioport_write IDE PIO wr @ 0x176 (Device/Head); val 0xa4; bus 0x56162a268c00 IDEState 0x56162a269058
+12163@1594585516.673943:ide_ioport_write IDE PIO wr @ 0x177 (Command); val 0xa1; bus 0x56162a268c00 IDEState 0x56162a268c88
+12163@1594585516.673946:ide_exec_cmd IDE exec cmd: bus 0x56162a268c00; state 0x56162a268c88; cmd 0xa1
+OK
+[S +0.025265] OK
+[R +0.025270] outl 0xcf8 0x80000920
+OK
+[S +0.025274] OK
+[R +0.025279] outb 0xcfc 0xff
+OK
+[S +0.025443] OK
+[R +0.025451] outb 0xf8 0x9
+12163@1594585516.674221:ide_dma_cb IDEState 0x56162a268c88; sector_num=0 n=1 cmd=DMA READ
+OK
+[S +0.025724] OK
+UndefinedBehaviorSanitizer:DEADLYSIGNAL
+==12163==ERROR: UndefinedBehaviorSanitizer: FPE on unknown address 0x5616279cffdc (pc 0x5616279cffdc bp 0x7ffcdaabae90 sp 0x7ffcdaabae30 T12163)
+
+-Alex
+
+On 200712 2025, Alexander Bulekov wrote:
+> Public bug reported:
+> 
+> Hello,
+> Here is a reproducer:
+> cat << EOF | ./i386-softmmu/qemu-system-i386 -M pc,accel=qtest\
+>  -qtest null -nographic -vga qxl -qtest stdio -nodefaults\
+>  -drive if=none,id=drive0,file=null-co://,file.read-zeroes=on,format=raw\
+>  -drive if=none,id=drive1,file=null-co://,file.read-zeroes=on,format=raw\
+>  -device ide-cd,drive=drive0 -device ide-hd,drive=drive1
+> outw 0x176 0x3538
+> outl 0xcf8 0x80000903
+> outl 0xcfc 0x184275c
+> outb 0x376 0x2f
+> outb 0x376 0x0
+> outw 0x176 0xa1a4
+> outl 0xcf8 0x80000920
+> outb 0xcfc 0xff
+> outb 0xf8 0x9
+> EOF
+> 
+> The stack-trace:
+> ==16513==ERROR: UndefinedBehaviorSanitizer: FPE on unknown address 0x556783603fdc (pc 0x556783603fdc bp 0x7fff82143b10 sp 0x7fff82143ab0 T16513)
+>     #0 0x556783603fdc in ide_set_sector /home/alxndr/Development/qemu/hw/ide/core.c:626:26
+>     #1 0x556783603fdc in ide_dma_cb /home/alxndr/Development/qemu/hw/ide/core.c:883:9
+>     #2 0x55678349d74d in dma_complete /home/alxndr/Development/qemu/dma-helpers.c:120:9
+>     #3 0x55678349d74d in dma_blk_cb /home/alxndr/Development/qemu/dma-helpers.c:138:9
+>     #4 0x556783962f25 in blk_aio_complete /home/alxndr/Development/qemu/block/block-backend.c:1402:9
+>     #5 0x556783962f25 in blk_aio_complete_bh /home/alxndr/Development/qemu/block/block-backend.c:1412:5
+>     #6 0x556783ac030f in aio_bh_call /home/alxndr/Development/qemu/util/async.c:136:5
+>     #7 0x556783ac030f in aio_bh_poll /home/alxndr/Development/qemu/util/async.c:164:13
+>     #8 0x556783a9a863 in aio_dispatch /home/alxndr/Development/qemu/util/aio-posix.c:380:5
+>     #9 0x556783ac1b4c in aio_ctx_dispatch /home/alxndr/Development/qemu/util/async.c:306:5
+>     #10 0x7f4f1c0fe9ed in g_main_context_dispatch (/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x4e9ed)
+>     #11 0x556783acdccb in glib_pollfds_poll /home/alxndr/Development/qemu/util/main-loop.c:219:9
+>     #12 0x556783acdccb in os_host_main_loop_wait /home/alxndr/Development/qemu/util/main-loop.c:242:5
+>     #13 0x556783acdccb in main_loop_wait /home/alxndr/Development/qemu/util/main-loop.c:518:11
+>     #14 0x5567833613e5 in qemu_main_loop /home/alxndr/Development/qemu/softmmu/vl.c:1664:9
+>     #15 0x556783a07a4d in main /home/alxndr/Development/qemu/softmmu/main.c:49:5
+>     #16 0x7f4f1ac84e0a in __libc_start_main /build/glibc-GwnBeO/glibc-2.30/csu/../csu/libc-start.c:308:16
+>     #17 0x5567830a9089 in _start (/home/alxndr/Development/qemu/build/i386-softmmu/qemu-system-i386+0x7d2089)
+> 
+> With -trace ide*
+> 
+> 12163@1594585516.671265:ide_reset IDEstate 0x56162a269058
+> [R +0.024963] outw 0x176 0x3538
+> 12163@1594585516.673676:ide_ioport_write IDE PIO wr @ 0x176 (Device/Head); val 0x38; bus 0x56162a268c00 IDEState 0x56162a268c88
+> 12163@1594585516.673683:ide_ioport_write IDE PIO wr @ 0x177 (Command); val 0x35; bus 0x56162a268c00 IDEState 0x56162a269058
+> 12163@1594585516.673686:ide_exec_cmd IDE exec cmd: bus 0x56162a268c00; state 0x56162a269058; cmd 0x35
+> OK
+> [S +0.025002] OK
+> [R +0.025012] outl 0xcf8 0x80000903
+> OK
+> [S +0.025018] OK
+> [R +0.025026] outl 0xcfc 0x184275c
+> OK
+> [S +0.025210] OK
+> [R +0.025219] outb 0x376 0x2f
+> 12163@1594585516.673916:ide_cmd_write IDE PIO wr @ 0x376 (Device Control); val 0x2f; bus 0x56162a268c00
+> OK
+> [S +0.025229] OK
+> [R +0.025234] outb 0x376 0x0
+> 12163@1594585516.673928:ide_cmd_write IDE PIO wr @ 0x376 (Device Control); val 0x00; bus 0x56162a268c00
+> OK
+> [S +0.025240] OK
+> [R +0.025246] outw 0x176 0xa1a4
+> 12163@1594585516.673940:ide_ioport_write IDE PIO wr @ 0x176 (Device/Head); val 0xa4; bus 0x56162a268c00 IDEState 0x56162a269058
+> 12163@1594585516.673943:ide_ioport_write IDE PIO wr @ 0x177 (Command); val 0xa1; bus 0x56162a268c00 IDEState 0x56162a268c88
+> 12163@1594585516.673946:ide_exec_cmd IDE exec cmd: bus 0x56162a268c00; state 0x56162a268c88; cmd 0xa1
+> OK
+> [S +0.025265] OK
+> [R +0.025270] outl 0xcf8 0x80000920
+> OK
+> [S +0.025274] OK
+> [R +0.025279] outb 0xcfc 0xff
+> OK
+> [S +0.025443] OK
+> [R +0.025451] outb 0xf8 0x9
+> 12163@1594585516.674221:ide_dma_cb IDEState 0x56162a268c88; sector_num=0 n=1 cmd=DMA READ
+> OK
+> [S +0.025724] OK
+> UndefinedBehaviorSanitizer:DEADLYSIGNAL
+> ==12163==ERROR: UndefinedBehaviorSanitizer: FPE on unknown address 0x5616279cffdc (pc 0x5616279cffdc bp 0x7ffcdaabae90 sp 0x7ffcdaabae30 T12163)
+> 
+> -Alex
+> 
+> ** Affects: qemu
+>      Importance: Undecided
+>          Status: New
+> 
+> -- 
+> You received this bug notification because you are a member of qemu-
+> devel-ml, which is subscribed to QEMU.
+> https://bugs.launchpad.net/bugs/1887309
+> 
+> Title:
+>   Floating-point exception in ide_set_sector
+> 
+> Status in QEMU:
+>   New
+> 
+> Bug description:
+>   Hello,
+>   Here is a reproducer:
+>   cat << EOF | ./i386-softmmu/qemu-system-i386 -M pc,accel=qtest\
+>    -qtest null -nographic -vga qxl -qtest stdio -nodefaults\
+>    -drive if=none,id=drive0,file=null-co://,file.read-zeroes=on,format=raw\
+>    -drive if=none,id=drive1,file=null-co://,file.read-zeroes=on,format=raw\
+>    -device ide-cd,drive=drive0 -device ide-hd,drive=drive1
+>   outw 0x176 0x3538
+>   outl 0xcf8 0x80000903
+>   outl 0xcfc 0x184275c
+>   outb 0x376 0x2f
+>   outb 0x376 0x0
+>   outw 0x176 0xa1a4
+>   outl 0xcf8 0x80000920
+>   outb 0xcfc 0xff
+>   outb 0xf8 0x9
+>   EOF
+> 
+>   The stack-trace:
+>   ==16513==ERROR: UndefinedBehaviorSanitizer: FPE on unknown address 0x556783603fdc (pc 0x556783603fdc bp 0x7fff82143b10 sp 0x7fff82143ab0 T16513)
+>       #0 0x556783603fdc in ide_set_sector /home/alxndr/Development/qemu/hw/ide/core.c:626:26
+>       #1 0x556783603fdc in ide_dma_cb /home/alxndr/Development/qemu/hw/ide/core.c:883:9
+>       #2 0x55678349d74d in dma_complete /home/alxndr/Development/qemu/dma-helpers.c:120:9
+>       #3 0x55678349d74d in dma_blk_cb /home/alxndr/Development/qemu/dma-helpers.c:138:9
+>       #4 0x556783962f25 in blk_aio_complete /home/alxndr/Development/qemu/block/block-backend.c:1402:9
+>       #5 0x556783962f25 in blk_aio_complete_bh /home/alxndr/Development/qemu/block/block-backend.c:1412:5
+>       #6 0x556783ac030f in aio_bh_call /home/alxndr/Development/qemu/util/async.c:136:5
+>       #7 0x556783ac030f in aio_bh_poll /home/alxndr/Development/qemu/util/async.c:164:13
+>       #8 0x556783a9a863 in aio_dispatch /home/alxndr/Development/qemu/util/aio-posix.c:380:5
+>       #9 0x556783ac1b4c in aio_ctx_dispatch /home/alxndr/Development/qemu/util/async.c:306:5
+>       #10 0x7f4f1c0fe9ed in g_main_context_dispatch (/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x4e9ed)
+>       #11 0x556783acdccb in glib_pollfds_poll /home/alxndr/Development/qemu/util/main-loop.c:219:9
+>       #12 0x556783acdccb in os_host_main_loop_wait /home/alxndr/Development/qemu/util/main-loop.c:242:5
+>       #13 0x556783acdccb in main_loop_wait /home/alxndr/Development/qemu/util/main-loop.c:518:11
+>       #14 0x5567833613e5 in qemu_main_loop /home/alxndr/Development/qemu/softmmu/vl.c:1664:9
+>       #15 0x556783a07a4d in main /home/alxndr/Development/qemu/softmmu/main.c:49:5
+>       #16 0x7f4f1ac84e0a in __libc_start_main /build/glibc-GwnBeO/glibc-2.30/csu/../csu/libc-start.c:308:16
+>       #17 0x5567830a9089 in _start (/home/alxndr/Development/qemu/build/i386-softmmu/qemu-system-i386+0x7d2089)
+> 
+
+This adds a check to avoid the FPE, but I don't know how to properly
+report the error, and whether this is the correct place to add this
+check.
+
+diff --git a/hw/ide/core.c b/hw/ide/core.c
+index d997a78e47..c191d74ca6 100644
+--- a/hw/ide/core.c
++++ b/hw/ide/core.c
+@@ -622,7 +622,7 @@ void ide_set_sector(IDEState *s, int64_t sector_num)
+             s->hob_lcyl = sector_num >> 32;
+             s->hob_hcyl = sector_num >> 40;
+         }
+-    } else {
++    } else if (s->heads && s->sectors){
+         cyl = sector_num / (s->heads * s->sectors);
+         r = sector_num % (s->heads * s->sectors);
+         s->hcyl = cyl >> 8;
+
+>   With -trace ide*
+> 
+>   12163@1594585516.671265:ide_reset IDEstate 0x56162a269058
+>   [R +0.024963] outw 0x176 0x3538
+>   12163@1594585516.673676:ide_ioport_write IDE PIO wr @ 0x176 (Device/Head); val 0x38; bus 0x56162a268c00 IDEState 0x56162a268c88
+>   12163@1594585516.673683:ide_ioport_write IDE PIO wr @ 0x177 (Command); val 0x35; bus 0x56162a268c00 IDEState 0x56162a269058
+>   12163@1594585516.673686:ide_exec_cmd IDE exec cmd: bus 0x56162a268c00; state 0x56162a269058; cmd 0x35
+>   OK
+>   [S +0.025002] OK
+>   [R +0.025012] outl 0xcf8 0x80000903
+>   OK
+>   [S +0.025018] OK
+>   [R +0.025026] outl 0xcfc 0x184275c
+>   OK
+>   [S +0.025210] OK
+>   [R +0.025219] outb 0x376 0x2f
+>   12163@1594585516.673916:ide_cmd_write IDE PIO wr @ 0x376 (Device Control); val 0x2f; bus 0x56162a268c00
+>   OK
+>   [S +0.025229] OK
+>   [R +0.025234] outb 0x376 0x0
+>   12163@1594585516.673928:ide_cmd_write IDE PIO wr @ 0x376 (Device Control); val 0x00; bus 0x56162a268c00
+>   OK
+>   [S +0.025240] OK
+>   [R +0.025246] outw 0x176 0xa1a4
+>   12163@1594585516.673940:ide_ioport_write IDE PIO wr @ 0x176 (Device/Head); val 0xa4; bus 0x56162a268c00 IDEState 0x56162a269058
+>   12163@1594585516.673943:ide_ioport_write IDE PIO wr @ 0x177 (Command); val 0xa1; bus 0x56162a268c00 IDEState 0x56162a268c88
+>   12163@1594585516.673946:ide_exec_cmd IDE exec cmd: bus 0x56162a268c00; state 0x56162a268c88; cmd 0xa1
+>   OK
+>   [S +0.025265] OK
+>   [R +0.025270] outl 0xcf8 0x80000920
+>   OK
+>   [S +0.025274] OK
+>   [R +0.025279] outb 0xcfc 0xff
+>   OK
+>   [S +0.025443] OK
+>   [R +0.025451] outb 0xf8 0x9
+>   12163@1594585516.674221:ide_dma_cb IDEState 0x56162a268c88; sector_num=0 n=1 cmd=DMA READ
+>   OK
+>   [S +0.025724] OK
+>   UndefinedBehaviorSanitizer:DEADLYSIGNAL
+>   ==12163==ERROR: UndefinedBehaviorSanitizer: FPE on unknown address 0x5616279cffdc (pc 0x5616279cffdc bp 0x7ffcdaabae90 sp 0x7ffcdaabae30 T12163)
+> 
+>   -Alex
+> 
+> To manage notifications about this bug go to:
+> https://bugs.launchpad.net/qemu/+bug/1887309/+subscriptions
+> 
+
+
+Proposed fix:
+https://lists.gnu.org/archive/html/qemu-devel/2020-07/msg05528.html
+
+New proposal: https://lists.gnu.org/archive/html/qemu-devel/2020-07/msg06974.html
+
+(The root cause is that SRST is not handled correctly.)
+
+More analysis in the replies to Philippe's patch: https://lists.gnu.org/archive/html/qemu-devel/2020-07/msg05949.html
+
+Merged upstream:
+
+55adb3c45620c31f29978f209e2a44a08d34e2da
+4ac4e7281a2dd1ca5158812198c4d2cbacf2ae25
+b45bcd81e05dea2781f2164ca1c9dd86069502ea
+1a9925e3390b6adf1125e3abaa17c80ca012bede
+
+Released with QEMU v5.2.0.
+